How do trucking companies track equipment costs for Section 179 and bonus depreciation?
Heavy trucks with a gross vehicle weight rating over 6,000 lbs qualify for Section 179 and bonus depreciation, which means you can potentially write off the full purchase price in the year the equipment goes into service. Trailers, fuel tanks, APUs, and other equipment used in your operations also qualify. But the tax benefit only works if your books actually track the right information for each asset.
For every piece of qualifying equipment, your bookkeeping system needs to record the acquisition date (when you bought it), the placed-in-service date (when it started being used in the business), the total cost including any sales tax or delivery charges, and the depreciation method elected. The placed-in-service date is the one that matters for tax purposes. A truck sitting on the lot that you purchased in December but didn’t put on the road until January belongs to the following tax year.
Maintain a fixed asset register or schedule that lists every piece of equipment with these details. This doesn’t have to be complicated. A properly configured chart of accounts in QuickBooks or Xero with a fixed asset category for each equipment type works well. Each asset gets its own entry with the cost recorded at purchase and a note on which depreciation method was chosen. Your tax preparer needs this information clean and organized at year end, not buried in a pile of receipts.
One of the biggest mistakes trucking companies make is confusing loan payments with depreciation. When you finance a truck, the full purchase price is depreciable in year one if you elect Section 179 or bonus depreciation, regardless of how much you’ve actually paid on the loan. Your monthly loan payments get split between principal (which reduces the loan balance on your balance sheet) and interest (which is a separate deductible expense on your income statement). The depreciation deduction and the loan repayment are two completely different things in your books. Recording them as one creates inaccurate financials and potential problems at tax time.
Work with your bookkeeper and tax preparer together to decide whether Section 179, bonus depreciation, or standard MACRS depreciation makes the most sense each year. Sometimes taking the full write-off immediately isn’t the best move. If your income is low in the purchase year, you might benefit more from spreading the deduction across multiple years. That decision depends on your overall tax situation, and it needs to be made before you file.
Keep purchase agreements, financing documents, and title paperwork organized by asset. If the IRS ever questions a depreciation deduction, you need to prove what you paid, when the equipment went into service, and that it’s used for business. Digital copies stored alongside your accounting records make this straightforward instead of a scramble.
If your books aren’t set up to track fixed assets properly, now is the time to fix that. ATS Bookkeeping in Northern Virginia works with freight carriers and owner-operators to build clean asset tracking into their monthly bookkeeping so nothing falls through the cracks when tax season arrives.
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