Depreciation

Depreciation in plain English

Depreciation is a tax concept for recovering the cost of certain business property over time, subject to detailed rules. For trucking businesses, common depreciable assets include the cab, trailer, and major equipment purchases. IRC Section 179 allows eligible businesses to expense a portion of the cost of qualifying assets in the year they are placed in service, subject to annual dollar limits and income limits. Bonus depreciation is a related but separate provision allowing additional first-year write-offs under different rules. Both provisions have changed frequently, so verifying current limits and phase-out thresholds with a tax professional before large equipment purchases is important.

Where Depreciation shows up

Depreciation shows up when a truck, trailer, or major piece of equipment is purchased and treated as a business asset. Instead of deducting the full purchase price in one year, the cost may be recovered over multiple tax years — or, in some situations, using accelerated methods like Section 179 expensing or bonus depreciation. The rules are complex, the limits change, and the treatment affects both current-year tax and future years when the asset is sold. Review depreciation decisions with a qualified tax professional.

How Depreciation shows up in records

Depreciation records start with the purchase agreement, placed-in-service date, financing documents, trade-in details, and any later improvements. Keep loan principal and interest separate. The truck can be a depreciable asset even though the loan payment hits the bank every month; the tax treatment follows asset rules, not the monthly cash payment.

Verify Depreciation before filing

Definitions can depend on the form, tax year, or jurisdiction. Verify current official instructions before relying on a term for filing.

What Depreciation does not decide

This definition does not decide whether a specific truck, trip, expense, payment, or filing position qualifies under current rules. Use the term to identify which records matter, then review the linked guide page and official instructions before applying it to a return, registration, IFTA report, or tax payment.

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