Flat Rate vs By Ton Rates For Frac Sand Hauling: Which Is Better?
You’re sitting at a truck stop outside Midland, phone in hand, comparing two carrier offers side by side. One pays $550 flat per load. The other pays $25 per ton. You’ve got a pen and a napkin, and you’re trying to figure out which one actually puts more money in your pocket at the end of the week — but the math keeps shifting depending on which assumptions you plug in. Load counts. Ton averages. Detention. Deadhead. The number changes every time.
That’s not a math problem. That’s an information problem. And it’s one of the most consequential financial decisions you’ll make as an Owner-Operator. The difference between choosing the right structure and the wrong one can be $500–$1,500 per week — that’s $26,000–$78,000 annually, the kind of gap that determines whether your business is thriving or just surviving.
This guide cuts through the noise. Real numbers, real scenarios, and a practical framework for making the right call for your specific situation — whether you’re running short hauls in the Permian Basin or mid-haul lanes through the Eagle Ford.
Key Takeaways
- Your weekly break-even point is approximately $1,475 — no pay structure is viable unless it reliably clears this floor.
- Flat rates offer income predictability but expose you to load volume risk — the carrier controls how many loads you get.
- By-ton rates offer higher earning potential on longer hauls but introduce load weight variability that can swing gross income by 25% or more.
- Unpaid detention can cost you $5,850–$11,700 annually — this single factor can flip which structure wins.
- The effective loaded-mile rate — not the gross per load — is the only apples-to-apples comparison metric that matters.
- Carrier reliability, detention policy, and load weight consistency often matter more than the base rate structure itself.
- Red flags like escrow holds, vague detention policies, and no minimum load guarantee are deal-breakers regardless of the rate structure offered.
The Real Cost of Running Your Rig: Fixed Expenses Every Owner-Operator Must Know
Before you can evaluate any pay structure, you need to know your break-even point. This isn’t optional. Comparing flat rates and by-ton rates without knowing your weekly fixed costs is like comparing two gas prices without knowing your MPG — the number is meaningless without context.
For an Owner-Operator running frac sand in the Permian Basin or Eagle Ford, your weekly fixed costs average approximately $1,475. That’s your floor. Every dollar you earn above that number is profit. Every week you fall below it, you’re losing ground.
Breaking Down Your Weekly Fixed Costs
Here’s what a realistic weekly cost structure looks like for an Owner-Operator in the Permian or Eagle Ford:
- Truck payment (financed): $600/week
- Trailer rental or lease: $350/week (varies by carrier program — Sisu’s WTX Hopper Bottom division leases at $350/week)
- Maintenance reserve: $225/week (oil changes, tires, unexpected repairs)
- Insurance (liability + NTL + Occ/Acc): $150/week
- Fuel program baseline: $500/week (based on ~1,000 miles/week at $4.85/gallon with a 12% carrier discount bringing effective cost to ~$4.29/gallon)
- Permits, PPE, miscellaneous: $150/week
- Total: ~$1,475/week
Fuel deserves a closer look. At the current diesel price of approximately $4.85/gallon, fuel is one of your largest variable costs. Carriers with genuine fuel discount programs — not just marketing language — can meaningfully reduce this. Sisu’s fuel card program with no hidden fees brings that effective cost down to roughly $4.29/gallon, which compounds significantly across a full week of hauling.
Why This Matters for Rate Comparison
Your $1,475 weekly break-even is non-negotiable. Insurance doesn’t disappear because the market is slow. Your truck payment doesn’t pause because the wellsite had a bad week. These costs run whether you haul 5 loads or 20 loads.
This is why comparing flat rates and by-ton rates requires more than just looking at the number on the offer sheet. You need to project realistic weekly gross revenue for both structures — then subtract your fixed costs to see what actually lands in your pocket. We’ll do exactly that in the sections ahead.
You’re Not Alone in This Decision Thousands of Owner-Operators face this exact choice every year, and many make the decision without clear data. The fact that you’re researching both structures puts you ahead of the curve. Most drivers sign with the first carrier who offers a number that sounds good — without ever running the actual math. You’re already doing it differently.
Flat Rate Pay Explained: Predictability vs. Volume Risk in Frac Sand Hauling
Flat rate is exactly what it sounds like: a fixed payment per load, regardless of weight, within a defined lane. You haul a load from the sand terminal to the wellsite, you get paid $X. Full stop. The appeal is obvious — you know what each load is worth before you start the truck.
In the Permian Basin, short-haul flat rates typically run $450–$600 per load. Mid-haul rates (50–150 miles) come in at $600–$750 per load. These numbers are real — not marketing projections. But the rate per load is only half the story. The other half is how many loads per week the carrier can reliably provide.
That’s the fundamental tension with flat rate structures. Your income is entirely dependent on load volume — and the carrier controls load availability, not you. You control your efficiency, your speed, your turnaround time. But if the carrier only dispatches 10 loads in a week instead of 17, your income drops 41% through no fault of your own. Understanding how load rates and turns interact in frac sand hauling is critical before committing to any flat rate structure.
Flat Rate Income Scenarios (Real Numbers)
Let’s run the actual numbers. Using a $1,475 weekly fixed cost baseline:
Short Haul Flat Rate ($500/load):
- 10 loads/week = $5,000 gross / $3,525 net
- 17 loads/week = $8,500 gross / $7,025 net
- 22 loads/week = $11,000 gross / $9,525 net
Mid Haul Flat Rate ($650/load):
- 10 loads/week = $6,500 gross / $5,025 net
- 17 loads/week = $11,050 gross / $9,575 net
- 22 loads/week = $14,300 gross / $12,825 net
Notice the variance. The difference between 10 and 17 loads per week on a $500 flat rate is $3,500 in net income — a 99% swing. That variance is almost entirely outside your control if the carrier doesn’t have consistent work. This is the core risk of flat rate structures, and it’s why 24/7 live human dispatch and consistent load flow aren’t just nice-to-haves — they’re financial necessities.
The Hidden Cost: Unpaid Detention
Here’s the number most flat rate comparisons leave out: detention time. Average detention at wellsites runs 3–6 hours per day, and under most flat rate structures, it’s either unpaid or paid at $0–$25/hour.
Think about what that means. If you value your time at $75/hour — a conservative figure for an Owner-Operator running their own business — four unpaid detention hours per day equals $300 in lost revenue daily, or $1,500 per week. Annualized, that’s $78,000 in time you worked but didn’t get paid for.
Flat rate carriers have a structural disincentive to pay detention fairly. Their profit is fixed per load — so detention eats into their margin, not yours. The result is that many carriers absorb detention as a cost of doing business, which sounds fine until you realize the way they “absorb” it is by not paying you for it.
Before signing with any carrier, ask directly: “What is your detention policy? Is there a grace period, and what is the hourly rate once it kicks in?” If the answer is vague, that’s your answer.
When Flat Rates Win
Flat rates aren’t always the wrong choice. They win in specific scenarios:
- Consistent, high-volume short-haul lanes (under 50 miles) where load counts are reliably 15+ per week
- Carriers with strong customer relationships and stable well-site schedules that guarantee consistent load flow
- Drivers who prioritize income predictability over maximum earning potential — especially those managing tight cash flow
- Lanes where load weights are consistently high (24–25 tons), making per-ton calculations less advantageous by comparison
By-Ton Pay Explained: Commodity Correlation vs. Weight Variability
By-ton pay means you get paid for every ton of sand delivered. Simple concept — but the execution is where it gets complicated. Rates in the Permian Basin currently run $18–$28/ton for mid-haul; Eagle Ford mid-haul rates come in at $20–$30/ton. Pneumatic tankers command a premium of $2–$5/ton over hopper bottom rates for equivalent hauls, reflecting the specialized equipment and handling requirements.
The appeal of by-ton is direct commodity correlation. When sand demand is high and haul distances are long, your revenue scales with the work. A 23-ton load at $25/ton pays $575. A 25-ton load at the same rate pays $625. The structure rewards efficiency and rewards favorable market conditions in a way flat rates don’t.
But here’s the problem: you don’t control the load weight. Wellsite personnel load the sand. They manage axle weight compliance. They control how much goes in your trailer. And real-world load weights in the Permian and Eagle Ford average 21–23 tons — not the theoretical 25-ton maximum. Loads under 20 tons are common. For a deeper look at how equipment type affects your earning potential under by-ton structures, comparing frac sand box and belly dump options in the Permian is worth your time.
By-Ton Income Scenarios (Real Numbers)
Using 17 loads/week at $25/ton, with varying load weights:
- 20-ton average: $8,500 gross / $7,025 net
- 22-ton average: $9,350 gross / $7,875 net
- 25-ton average: $10,625 gross / $9,150 net
That 5-ton swing from 20 to 25 tons represents a 25% variance in gross income — $2,125 per week — with the exact same number of loads and the exact same per-ton rate. This is the defining vulnerability of by-ton structures: your income can fluctuate significantly based on factors you can’t directly control.
The Load Weight Variance Problem
Texas enforces axle weight limits of 20,000 lbs per single axle and 34,000 lbs per tandem axle group. Wellsite personnel manage loading to stay compliant — and their priority is compliance and speed, not maximizing your per-ton revenue. Different sand suppliers also have different bulk densities, which affects weight per volume. Scale calibration differences between the loading facility, your truck’s scale, and third-party weigh stations add another layer of variability.
Carriers without clear minimum load policies expose you to this variability with no protection. A carrier with a written policy stating “minimum 20 tons, or paid as if 20 tons” gives you a floor. A carrier without that policy leaves you absorbing the cost of light loads that aren’t your fault.
The question to ask before signing: “What is your minimum load policy, and how do you handle weight discrepancies between the loading scale and official weigh stations?” If they don’t have a clear answer, that’s a red flag. Sisu’s all-pneumatic fleet and hopper bottom options are built around transparent weight verification — because your pay should reflect what you actually hauled.
When By-Ton Rates Win
- High-volume lanes with consistent, heavy loads (23–25 tons regularly) where the per-ton rate compounds into strong weekly gross
- Longer hauls (100+ miles) where the per-ton rate applied to consistent weights generates significantly higher revenue than flat rate equivalents
- Carriers with diversified customer bases and stable completion schedules that protect against load count volatility
- Market conditions favoring sand demand — by-ton rates adjust faster to rising demand than flat rates, which require renegotiation
- Drivers who can verify load weights and have access to scales for independent confirmation
If you’re evaluating by-ton structures, understanding load weight consistency is critical. Transparent weight verification ensures you know exactly what you’re getting paid for — every load, every week. See how Sisu approaches this with real Owner-Operator income numbers.
Head-to-Head: Flat Rate vs By-Ton in Real Permian & Eagle Ford Scenarios
Abstract comparisons only get you so far. Let’s put both structures against each other in real haul scenarios — the kind you’re actually running in West Texas and South Texas. The metric that matters here isn’t gross per load. It’s effective loaded-mile rate — the revenue you generate per mile you’re actually moving product.
Scenario 1: Short Haul, Permian Basin (Under 50 Miles)
This is the bread-and-butter Permian haul — terminal to wellsite and back, tight loop, high turn count potential.
- Flat rate ($500/load, 25-mile one-way): $20.00/loaded mile
- By-ton ($25/ton, 22-ton average, 25-mile one-way): $22.00/loaded mile
Winner: By-ton edges flat rate on a per-mile basis — but only if load weights stay above 21 tons. If the carrier provides 15+ loads per week consistently, flat rate can be competitive due to its predictability. The risk: if load counts drop to 10/week, flat rate income falls 33%, while by-ton income only drops if weight drops. For Permian Basin operations specifically, Sisu’s WTX Hopper Bottom division is built around the lane structures and load volumes that make this comparison real — not theoretical.
Scenario 2: Mid Haul, Eagle Ford (75–150 Miles)
Eagle Ford mid-haul is where the rate structure decision gets most consequential. Haul distances are longer, load counts per day are lower, and the per-ton rate advantage starts to compound.
- Flat rate ($650/load, 100-mile one-way): $6.50/loaded mile
- By-ton ($25/ton, 22-ton average, 100-mile one-way): $5.50/loaded mile
- Flat rate ($650/load, 150-mile one-way): $4.33/loaded mile
- By-ton ($25/ton, 22-ton average, 150-mile one-way): $3.67/loaded mile
Winner: In this distance range, by-ton rates outperform flat rates when load weights stay above 21 tons consistently. The key risk: if load weights consistently fall to 18–20 tons, the by-ton advantage shrinks significantly. Eagle Ford activity is currently trending upward toward 70–80 active rigs, which supports consistent load availability and competitive per-ton rates through 2026.
Scenario 3: Long Haul (150+ Miles)
Long haul is where by-ton rates pull away decisively. The compounding effect of distance and weight makes flat rates increasingly uncompetitive as miles increase.
- Flat rate ($750/load, 200-mile one-way): $3.75/loaded mile
- By-ton ($28/ton, 23-ton average, 200-mile one-way): $3.22/loaded mile
- Flat rate ($750/load, 300-mile one-way): $2.50/loaded mile
- By-ton ($28/ton, 23-ton average, 300-mile one-way): $2.15/loaded mile
Winner: By-ton rates significantly outperform flat rates on long hauls, even with moderate load weights. The structural advantage is that by-ton scales with both distance and weight — flat rates do neither. On a 300-mile one-way haul with 23-ton loads at $28/ton, you’re generating $644 per load versus $750 flat — but the by-ton rate adjusts upward with market conditions, while the flat rate requires renegotiation.
The Effective Loaded-Mile Rate: Your True Comparison Metric Don’t compare flat rates and by-ton rates directly using gross per load. Instead, calculate your effective loaded-mile rate for both structures using realistic load weights and actual haul distances. Divide your gross per load by your one-way loaded miles. This is the apples-to-apples metric that reveals which structure actually pays more — and it often tells a very different story than the headline rate.
Market Rates & Current Conditions: Permian & Eagle Ford (2026)
Understanding what rates are realistic requires understanding the market conditions driving them. Here’s where things stand in 2026, based on current data and forward projections from 2025 trends.
The Permian Basin currently runs approximately 307 active rigs with 30–35 active frac spreads — stable to slightly increasing activity that signals sustained demand for frac sand hauling. Eagle Ford activity is trending toward 70–80 active rigs, representing a moderate increase that’s creating new lane opportunities in South Texas. WTI crude oil holding around $77.50/barrel keeps E&P budgets healthy and drilling activity consistent — prices above $70/barrel are the threshold that sustains current completion rates. Whether frac sand hauling is worth it in 2026 depends heavily on which basin and which carrier you’re evaluating.
Frac sand consumption in the Permian averages 150–200+ tons per well, with 250–300+ wells completed monthly. That’s consistent, high-volume demand — the kind that supports stable rates for carriers with strong customer relationships. Sisu’s STX and WTX divisions operate directly in these high-activity corridors, which means load availability is tied to real market demand, not speculative projections.
Published Rate Ranges (Hopper Bottom, 2026)
- Permian short haul (<50 mi): $15–$22/ton or $450–$600/load flat rate
- Permian mid haul (50–150 mi): $20–$28/ton or $600–$750/load flat rate
- Eagle Ford mid haul (50–150 mi): $20–$30/ton or $650–$800/load flat rate
- Pneumatic tanker premium: Add $2–$5/ton or $500–$750/load over hopper bottom rates for equivalent hauls
These ranges reflect current market conditions. Spot rates can fluctuate 15–25% within a 12-month period based on supply/demand shifts, weather, and drilling activity changes. Contract rates offer more stability but may lag when market conditions shift rapidly — which is where by-ton structures have a structural advantage over flat rates.
Factors Driving Rate Volatility
- Fuel prices: By-ton rates adjust faster to fuel spikes; flat rates lag until renegotiation. At $4.85/gallon diesel, fuel management is a meaningful differentiator between carriers.
- Drilling activity: Sustained activity (current trend) supports stable or rising rates; slowdowns pressure rates downward across both structures.
- Sand supply: Increased sand availability can pressure by-ton rates; supply constraints support rate increases. Current market shows some pricing pressure due to increased sand availability and logistics efficiency gains.
- Haul distance: Longer hauls command higher per-ton rates; short hauls are more competitive and more sensitive to rate pressure.
Seasonal Demand Patterns
Q1 and Q4 are historically strong — operators push to meet annual production targets, and rates hold or rise. Q2 and Q3 can see slight dips due to heat, weather delays, and budget constraints. During these slower periods, by-ton rates are more volatile while flat rates offer more income predictability — assuming the carrier maintains load volume. The current 2026 outlook supports sustained demand through both structures, but by-ton offers more upside if rates continue to firm.
The Detention Pay Factor: Why It Matters More Than You Think
Detention is the most underestimated cost in frac sand hauling — and it affects both pay structures, just in different ways. Average detention at wellsites runs 3–6 hours per day, often unpaid or paid at minimal rates. At $75/hour value, four hours of unpaid detention daily across a five-day week equals $1,500 in lost weekly income. Annualized, that’s $5,850–$11,700 in time you worked but didn’t get paid for.
This isn’t a minor line item. It’s potentially the deciding factor between two otherwise comparable rate structures. And yet most Owner-Operators don’t ask about detention policy until after they’ve already signed. Sisu’s commitment to fair detention pay is built into the carrier model — because your time has value, and a carrier that doesn’t acknowledge that is telling you something important about how they’ll treat you long-term.
Detention Pay Under Flat Rate Structures
Under a flat rate, the carrier earns a fixed margin per load. Detention doesn’t reduce their per-load revenue — it reduces their operational efficiency. The result: carriers have little financial incentive to pay detention fairly, because doing so cuts directly into their margin.
Most flat rate carriers offer a grace period of 1–2 hours, then pay minimal rates ($0–$25/hour) after that. Some pay nothing. The math is brutal: 4 unpaid hours/day at $75/hour value = $300/day, or $1,500/week in lost income. Over a year, that’s $78,000 in time you spent at wellsites that didn’t show up in your paycheck.
Detention Pay Under By-Ton Structures
By-ton structures create a different dynamic. Detention directly reduces the number of loads you can haul per day, which reduces your gross revenue. Some carriers recognize this and pay detention to compensate for lost throughput — especially carriers with strong customer relationships who can negotiate detention pay into their contracts and pass it through to drivers.
Others don’t. The policy varies widely, and you can’t assume by-ton automatically means better detention pay. What you can do is ask the right questions before signing — and verify the answers with current drivers on the specific lane.
Questions to Ask Before Signing
- “What is your detention policy? Is there a grace period, and what is the hourly rate once it kicks in?”
- “How often do drivers experience detention on this specific lane, and what is the average duration?”
- “Do you pay detention at the same rate as loaded miles, or a different rate?”
- “Can you provide examples of detention pay from drivers currently running this lane?”
Fair detention pay is $50–$75/hour with a 1–2 hour grace period. That’s the benchmark. Anything less is the carrier passing their operational inefficiency costs onto you.
The Detention Pay Trap Unpaid detention can cost you $5,000–$12,000 annually. Before signing with any carrier, get their detention policy in writing and verify it with current drivers on the specific lane. This single factor can swing your decision between two otherwise comparable rate structures — and it’s the one most Owner-Operators don’t ask about until it’s too late.
Detention pay is non-negotiable. If your current carrier isn’t valuing your time fairly, that’s a sign worth paying attention to. Sisu’s commitment to fair detention pay and transparent policies is built into every lane we run. See answers to common Owner-Operator questions about how we handle detention and pay structures.
Load Weight Variance & Scale Disputes: The By-Ton Driver’s Biggest Risk
If you’re running by-ton pay, load weight variance is your single biggest financial risk. Not market conditions. Not fuel prices. Load weight variance — the gap between what you thought you’d haul and what actually went in the trailer.
Real-world load weights in the Permian and Eagle Ford average 21–23 tons, not the 25-ton theoretical maximum. Loads under 20 tons are common. A 5-ton variance at $25/ton is $125 per load. At 17 loads per week, that’s $2,125 per week — a 25% swing in gross income with the exact same number of loads and the exact same rate. For context on how equipment type affects this, comparing bottom drop and pneumatic options for frac sand hauling reveals how different equipment configurations handle load weight differently.
Why Load Weights Vary (And It’s Not Always Your Fault)
- Axle weight limits: Texas enforces 20,000 lbs per single axle and 34,000 lbs per tandem. Wellsite personnel manage loading to stay compliant — their priority is compliance and speed, not your revenue.
- Wellsite procedures: Sand is loaded by wellsite personnel, not you. They control the amount loaded, and their decisions are driven by operational priorities, not your per-ton rate.
- Sand supplier practices: Different suppliers have different bulk densities, which affects weight per volume loaded. The same trailer can weigh differently depending on which supplier’s sand you’re hauling.
- Scale calibration: Loading facility scales, your truck’s scale, and third-party weigh stations can show different weights. These discrepancies are common and can be the source of disputes.
Protecting Yourself: Weight Verification Best Practices
- Always request a weight ticket at the loading facility and compare it to your truck’s scale reading before leaving the site.
- Ask the carrier upfront: “What is your process for handling weight discrepancies between the loading scale and official weigh stations?”
- Insist on a clear minimum load policy in writing: “If a load is under 20 tons, what rate do I get paid?”
- Document everything — weight tickets, scale readings, and any disputes in writing. Your records are your protection.
- Use third-party weigh stations for verification if disputes arise. Don’t rely solely on carrier-provided scales.
Sisu’s transparent weight verification process is built around documented procedures — because ambiguity about load weights is how drivers get underpaid, and we’ve built our model to eliminate that ambiguity.
Red Flags: Carriers to Avoid on By-Ton Pay
- “Loads are what they are” — vague, dismissive answer about weight variability. This is a carrier that will not protect you.
- No written minimum load policy or weight verification process. If it’s not in writing, it doesn’t exist.
- Carrier takes a percentage of overweight fines — this is your liability as the driver, not the carrier’s, but some carriers try to pass fines back to you.
- History of weight disputes without clear resolution — ask current drivers, not just the recruiter.
- Refusal to provide weight tickets or access to independent scales.
Why Load Weights Vary (And What You Can Do About It) Load weights are often controlled by wellsite personnel, not you. But carriers with clear minimum load policies and transparent weight verification protect you from this variability. The key is asking for these policies in writing before you sign — not after your first light load shows up on your settlement. Carriers who resist this conversation are telling you exactly how they’ll handle disputes down the road.
Regulatory & Compliance Costs: The Same for Both Structures
Here’s something that doesn’t change regardless of which pay structure you choose: your regulatory and compliance costs. These are fixed — they run whether you’re on flat rate or by-ton, whether you’re hauling 10 loads or 20. Understanding them prevents the mistake of choosing a pay structure based on gross revenue without accounting for these non-negotiable expenses.
Sisu’s safety and compliance support helps Owner-Operators navigate the certification and regulatory landscape — because compliance failures don’t just cost money, they cost operational time that directly reduces your income under either pay structure.
Oilfield-Specific Certifications
- PEC/Safeland certification: Required for most wellsites. Initial cost $150–$200, annual renewal required.
- H2S Awareness: Required in some basins, approximately $50–$100.
- Respiratory Fit Test: Required for pneumatic operations, approximately $50–$100 annually.
- Total annual certification cost: $200–$400 — non-negotiable for oilfield work.
Insurance Costs (Owner-Operator Baseline)
- Non-trucking liability (NTL): $30–$60/week — your responsibility, covers off-dispatch operation.
- Occupational accident (Occ/Acc): $50–$150/week — your responsibility, provides injury and disability coverage.
- Cargo/trailer interchange: Varies, but essential for frac sand hauling.
- Total driver-paid insurance: ~$150–$300/week — a fixed cost that reduces net income under any pay structure.
FMCSA Compliance & ELD Exemptions
For operations within 150 miles of your home base that return within 14 hours, the short-haul ELD exemption may apply — which is relevant for many Permian Basin short-haul loops. Standard HOS rules apply otherwise: 11-hour driving limit, 14-hour on-duty limit, 10-hour off-duty, 30-minute break, and 60/70-hour weekly limits.
One important note: by-ton structures can create an incentive to push HOS limits when load weights are good and revenue is strong. This is a risk that flat rates don’t create in the same way — flat rate drivers are more incentivized by load count than by maximizing time on the road. Neither structure should ever result in HOS violations, but it’s worth being aware of the behavioral incentives each structure creates.
Making Your Decision: A Practical Comparison Framework
There is no universally “better” pay structure. The right choice depends on your specific lane, your load weight consistency, your carrier’s reliability, and your personal risk tolerance. What follows is a step-by-step framework for making this decision with real data — not gut feel.
If you want to talk through this framework with people who understand the specific lanes and carriers in the Permian and Eagle Ford, join Sisu’s Pack and get expert guidance on rate structures from people who’ve seen both structures play out across hundreds of Owner-Operators.
Step 1: Calculate Your Break-Even Point
List your weekly fixed costs. Use the $1,475 baseline as a starting point, then adjust for your actual truck payment, insurance, and trailer costs. This is your minimum weekly gross revenue threshold. Any pay structure that doesn’t reliably clear this number is unsustainable — full stop.
Step 2: Project Income for Both Structures
For flat rate: Ask the carrier for historical load counts on the specific lane. Get actual numbers — 10, 15, 17, 20 loads per week? Don’t accept “it varies” as an answer. For by-ton: Ask for average load weights and typical weekly load counts. Use realistic numbers, not best-case scenarios. Calculate gross revenue for both, subtract your fixed costs, and compare net income side by side.
Step 3: Factor in Detention, Deadhead, and Variability
Ask about detention policy and get it in writing. Ask about deadhead percentage — empty miles reduce your effective revenue per mile regardless of pay structure. For by-ton, ask about minimum load policies and weight verification. Adjust your income projections based on these factors. They often swing the decision more than the base rate difference.
Step 4: Evaluate Carrier Reliability & Stability
Check the carrier’s DOT safety rating through the FMCSA database before signing anything. A poor or conditional rating means higher inspection risk and potential operational disruptions — which reduces your income regardless of pay structure. Ask for references from current drivers on the specific lane you’re evaluating. Verify the carrier’s customer base: is it diversified across multiple operators, or dependent on a few wellsites? A reliable carrier with consistent work often matters more than a slightly higher base rate. You can also check reviews and pay data for the best frac sand carriers in Texas before making your decision.
Step 5: Make Your Decision
Choose the structure that maximizes your net income AND provides the most predictability for your specific situation. If income projections are similar, choose the structure with lower variability and better detention pay. If one structure significantly outperforms the other based on realistic assumptions, choose it — but verify those assumptions with current drivers before committing. And remember: you can switch carriers or structures if reality doesn’t match the projection. Use the first 4–8 weeks to verify the numbers before committing long-term.
Your Decision Matters — And It’s Reversible Choosing the wrong structure can cost you thousands annually. But you’re not locked in forever. If reality doesn’t match the carrier’s promises, you can switch. Use the first 4–8 weeks to verify the actual numbers — load counts, load weights, detention frequency — before committing long-term. The best carriers will welcome this scrutiny because they know their numbers hold up.
Red Flags & Predatory Practices: What to Watch For
The frac sand hauling industry has its share of carriers who exploit Owner-Operators through rate manipulation, hidden fees, and predatory pay practices. Knowing what to look for protects your income before you sign — not after you’ve already moved your rig to a new lane.
Sisu’s no-escrow, weekly direct deposit policy is a direct response to the practices described below. These aren’t hypothetical risks — they’re documented patterns that cost Owner-Operators real money every week.
Rate Manipulation Tactics
- Bait-and-switch: Offering a high rate to recruit, then lowering it after you’re committed and have moved your equipment to the lane. This is more common than most drivers realize.
- Slow rate adjustments: Fuel costs spike, but the carrier doesn’t adjust by-ton rates for months. You absorb the cost increase while they maintain margin.
- Load weight claims: “Our loads average 18 tons, not 22” — verify this with current drivers before signing, not after your first settlement.
- Market adjustment clauses: Vague contract language allowing the carrier to reduce rates without notice or your agreement. Never sign a contract with this language.
Hidden Fees & Deductions
- Dispatch fees: Some carriers charge 1–3% of gross revenue for dispatch services. This should be disclosed upfront — if it’s buried in the contract, that’s a red flag.
- Fuel surcharges: Deducted from your pay when fuel prices spike, but not credited back when fuel drops. One-way adjustments that always favor the carrier.
- Administrative fees: Charged for paperwork, permits, or other services that should be included in the carrier’s cost structure, not passed to you.
- Insurance deductions: Some carriers deduct insurance costs from driver pay without clear disclosure. Verify every deduction before signing.
Load Factor Manipulation
- Light load penalties: Paying $15/ton for loads under 20 tons but $25/ton for loads over 20 tons — penalizing you for factors outside your control.
- No minimum policy: Accepting a 15-ton load at $25/ton ($375) when your break-even requires $1,475/week. Without a minimum load policy, light loads can destroy your economics.
- Weight dispute resistance: Refusing to pay for weight discrepancies without a clear resolution process. Your documentation is your only protection here.
- Overweight fine deductions: Some carriers try to pass overweight fines back to drivers. This is the carrier’s liability — you should never be paying their compliance failures.
Detention Non-Payment and Escrow Holds
- “Detention is part of the job” — this phrase should end the conversation. Your time has value. A carrier that doesn’t acknowledge this will not treat you fairly on anything else.
- Minimal detention pay: $0–$10/hour with no grace period structure. Fair detention pay is $50–$75/hour with a 1–2 hour grace period — anything less is the carrier profiting from your unpaid time.
- Escrow holds: Some carriers hold back a percentage of pay as “escrow.” This is a significant red flag for financial instability. A carrier that needs to hold your money to manage their cash flow is not a stable business partner.
Predatory practices are more common than you’d think. Before signing with any carrier, verify their track record with current drivers and check their DOT safety rating. Sisu’s no-escrow, weekly direct deposit policy is designed to protect your income — and our Owner-Operator-first model means we have no incentive to work against you.


