TruckTaxHub

Deductions & Expenses

Truck Depreciation Basics

Depreciation is a planning topic, not a guess. Keep purchase records and ask before choosing treatment.

Last reviewed: 2026-05-25 Reviewed against current official sources by the TruckTaxHub editorial team General information; review annually

Records

  • Purchase agreement
  • Loan documents
  • Placed-in-service date
  • Trade-in details
  • Major improvements

Planning caution

Depreciation options and limits can change by tax year. Do not choose a method without professional review.

Bookkeeping setup

Track trucks, trailers, and major equipment as assets rather than burying them in a routine repair category.

Placed-in-service date

For tax review, the purchase date is not always the only date that matters. Keep the date the truck or trailer was ready and available for business use, along with registration, insurance, and first-load records when available. That timeline helps the preparer decide which tax year the asset belongs in.

Asset packet checklist

  • Bill of sale or purchase agreement
  • Loan or finance contract with interest terms
  • Trade-in allowance, payoff statement, and title paperwork
  • Registration and insurance start dates
  • Major add-ons or improvements made before the equipment entered service

Do not bury assets in repairs

A new trailer, APU, engine overhaul, or major rebuild may need separate review from routine shop work. If a cost changes the value, use, or life of equipment, flag it before year-end rather than letting it sit in a generic repairs account.

Future sale record

Keep the original asset packet after the first return is filed. Depreciation history, improvements, trade-in details, and loan payoff records can matter again when the truck or trailer is sold, traded, or retired from service.

Helpful Tools

FAQ

Is this truck depreciation information tax advice?

No. It is general educational information. Trucking businesses should confirm current rules and discuss their facts with a qualified tax professional.

Can I deduct a new truck in full in the first year using Section 179?

Section 179 allows businesses to expense certain depreciable property in the year it's placed in service, rather than depreciating it over several years. The truck generally needs to be used more than 50% for business and placed in service during the tax year. The deduction has annual limits that change based on IRS inflation adjustments, and your business income may cap how much you can claim in a given year. Bonus depreciation rules add another layer of options. Review the current limits and thresholds with your tax preparer before assuming the full cost is deductible.

What records do I need to support a truck depreciation deduction?

At a minimum: the purchase agreement or bill of sale, the date the truck was placed in service, loan or financing documents if applicable, and a record of the truck's business-use percentage if it is not 100% business use. For a used truck, documentation of the fair market value at the time of purchase (which may differ from the purchase price in a related-party or trade-in transaction) can matter. Keep these documents indefinitely — depreciation deductions can be reviewed years after the original filing.

Sources Used

Used Truck Form 2290 Questions A used truck purchase can create timing and proof questions. Start with first-used month, prior records, and your own filing responsibility. Truck Lease vs. Loan Payment Records Truck lease and loan payments can be recorded differently. The paperwork drives the review. Year-End Tax Packet for Trucking Businesses A year-end packet should answer the preparer's first questions before they have to ask.