Owner-Operator Truck Driver Tax Deductions: 2026 Schedule C Guide to Per Diem, Truck Depreciation, and Fuel

Published: May 25, 2026 · Reading time: 10 min

TL;DR: Owner-operators file a Schedule C and have three deductions that dwarf everything else: the special 80% DOT per-diem meal deduction at $80/day for 2026 under IRC §274(n)(3) (not the usual 50% limit), truck and trailer depreciation via §179 or 100% bonus under §168(k), and fuel as an actual expense. Unlike a rideshare driver, an owner-operator cannot use the standard mileage rate — heavy trucks and vehicles for hire are actual-expense only under Rev. Proc. 2010-51. Other write-offs: tolls, scales, lumper fees, cargo/bobtail insurance, CDL and DOT physical, ELD, APU, straps and tarps, and OOIDA dues. Trucking is not an SSTB, so the full §199A QBI deduction is available.

If you own your truck and run under your own authority or lease onto a carrier, you're a self-employed business owner — and the tax code rewards that with a deep deduction set most W-2 company drivers never see. This guide maps every owner-operator and over-the-road (OTR) cost to the right Schedule C line for 2026.

How Owner-Operators File

Most owner-operators are sole proprietors filing Schedule C with Form 1040. You report settlement income (linehaul, fuel surcharge, accessorials, detention) on Line 1, subtract deductions, and pay income tax plus 15.3% self-employment tax on net profit. Because that SE tax bites hard, every legitimate deduction matters twice — once for income tax and once for SE tax. Set aside for quarterly estimated taxes so a strong settlement month doesn't become an April surprise.

The Big Three Deductions

1. The Special 80% DOT Per Diem (Line 24b)

This is the deduction that separates a well-prepared owner-operator from one who overpays by thousands. Instead of tracking every truck-stop meal receipt, you claim a per diem for meals and incidental expenses (M&IE) for each day you're away from your tax home.

• 2026 special transportation-industry rate: $80/day (CONUS); higher outside CONUS.
• Partial days (the day you leave and the day you return): 75% of the rate = $60.
• The 80% rule: Because you're subject to DOT hours-of-service rules, you deduct 80% of the per diem under IRC §274(n)(3) — not the 50% that limits ordinary business meals. A full day is $80 × 80% = $64.

Multiply $64 by 280 nights on the road and the per diem alone is roughly $17,900 in deductions — typically the single largest line on an OTR driver's return. Your ELD logs prove the days, so you don't need meal receipts. Nights in your sleeper cab carry no separate lodging deduction; an actual hotel night is a Line 24a travel expense. See our Line 24b meals guide and per diem vs actual guide for the mechanics.

2. Truck and Trailer Depreciation (Line 13)

Your tractor and trailer are depreciable assets. Three ways to write them off:

• §179 expensing — deduct the cost in the purchase year, limited to business income. See our Section 179 guide.
• 100% bonus depreciation under §168(k) — no business-income limit, can create a loss; permanently restored for property placed in service after January 19, 2025. See our bonus depreciation guide.
• MACRS — over-the-road tractors are 3-year property, trailers are 5-year property, on Form 4562 → Line 13.

A Class 8 truck is far over 6,000 lbs GVWR, so the §280F luxury-auto cap that limits passenger-vehicle deductions doesn't apply. Used trucks qualify for bonus too.

3. Fuel and Operating Costs (Line 9)

Because owner-operators use the actual expense method (next section), fuel is a deductible actual cost — usually the biggest cash outflow of the year. Report fuel, oil, repairs, tires, and DEF on Line 9 (car and truck expenses). IFTA fuel taxes are part of your fuel cost.

Why You Can't Use the Standard Mileage Rate

A rideshare or delivery driver in a regular car can choose the $0.725/mile standard rate for 2026. An owner-operator cannot. Under Rev. Proc. 2010-51, the standard mileage rate is not available for:

• Vehicles used for hire (your truck moves freight for pay), and
• Heavy trucks outside the passenger-vehicle definition.

So owner-operators are actual-expense only: fuel, repairs, tires, insurance, and depreciation. In practice this is to your advantage — a truck's real operating costs and depreciation far exceed any per-mile rate. Our standard mileage vs actual expense guide explains the method rules in detail.

Every Other Deduction, Mapped to a Schedule C Line

Reimbursements a broker pays you for tolls or lumpers are income on Line 1 — but the matching expense is fully deductible, so keep both records.

Worked Example: A Leased-On Owner-Operator

Dwayne runs OTR leased onto a carrier, 280 nights away from home in 2026:

• Settlement income (Line 1): $185,000
• Fuel + repairs + tires (Line 9): $62,000
• Truck depreciation / payment-financed basis (Line 13, bonus): $38,000
• Per diem: 280 days × $64 (Line 24b): $17,920
• Insurance (Line 15): $9,500
• Tolls, scales, parking (Line 9): $3,200
• ELD, supplies, washes, dues (Lines 22/27a): $2,400
• Cell phone business portion (Line 25): $900

Total deductions ≈ $133,920, leaving net profit near $51,000. That profit also qualifies for the 20% QBI deduction (trucking is not an SSTB), trimming taxable income by roughly $10,200 more. See our QBI deduction guide.

Recordkeeping That Survives an Audit

Trucking is a paper-heavy business and the IRS knows the deductions are large. Under IRC §6001 and Treas. Reg. §1.274-5, keep:

• ELD and trip logs — these double as per diem substantiation (dates and locations away from home).
• Settlement statements from your carrier or factoring company.
• Fuel receipts / IFTA reports and the Form 2290 stamped Schedule 1.
• Purchase invoices for the truck, trailer, and APU with placed-in-service dates.

Snap each fuel and repair receipt the moment you get it; thermal truck-stop receipts fade within months. A scanning app that tags each cost to the right Schedule C line turns a shoebox into a tax-ready export.

Authoritative References

• IRS Publication 463 — Travel, Gift, and Car Expenses (per diem)
• IRC §274(n)(3) — 80% limit for DOT hours-of-service workers
• Rev. Proc. 2010-51 — Standard mileage rate rules
• IRS Standard Mileage Rates
• IRS Schedule C Instructions

Keep Your Truck Deductions Road-Ready

CentSense lets you snap fuel, repair, scale, and lumper receipts from the cab and auto-tags each to the right Schedule C line — so your per diem, fuel, and depreciation are organized before you ever get home. The Solo plan ($5/month) includes unlimited AI receipt scanning, business-mile logging, and a CPA-ready CSV export built for owner-operators.

Start free →