What is the maximum Section 179 deduction for a Class 8 tractor purchased in 2026?

For 2026, the maximum Section 179 deduction is $2,560,000, according to IRS Revenue Procedure 2025-32. Class 8 tractors are explicitly qualifying property. The actual deduction is capped at the business owner's net taxable income for the year; any unused portion carries forward as a carryover deduction to future tax years.

How does bonus depreciation differ from Section 179 expensing?

Both allow accelerated first-year deductions on qualifying equipment acquired after January 19, 2025. The key difference: Section 179 cannot create a net operating loss (NOL) and is capped at taxable income, while bonus depreciation can generate an NOL that carries forward to offset income in future years. For 2026, bonus depreciation is available at 100 percent and is now permanent rather than temporary.

Do used trucks qualify for Section 179 and bonus depreciation?

Yes. Used equipment qualifies as long as it is new to the taxpayer—meaning you have never owned it before. A three-year-old Peterbilt or Kenworth purchased from a dealer or auction qualifies fully. The average retail price for used Class 8 tractors in early 2026 was $55,000–$60,000, making the full-expensing math accessible to most owner-operators.

Can I use both Section 179 and bonus depreciation in the same year?

These are separate mechanisms that work alongside each other. Section 179 is typically applied first to reduce taxable income to zero. Bonus depreciation can then be applied to any remaining equipment basis, potentially creating a net operating loss that carries forward to subsequent tax years.

What is the practical tax savings difference between buying a truck versus leasing one?

Under a true operating lease, the lessor owns the asset and you receive no depreciation deduction—only an expense deduction for the lease payment. Under ownership, you can apply Section 179 to reduce taxable income immediately. For an operator with $100,000 in taxable income buying a $90,000 truck, year-one federal tax savings can approach $19,000–$20,000 compared to leasing, depending on marginal tax bracket. This cash stays in the business for debt service, reserves, or operations.

Procurement

Moderate

Tax Law Changes: Buy vs. Lease Trucks in 2026

Jun 2, 2026

Get tomorrow's supply chain signal

Daily supply-chain brief. Free, unsubscribe anytime.

The signal

The restoration of 100-percent bonus depreciation and the permanent availability of Section 179 expensing have fundamentally altered the financial calculus for independent trucking owner-operators deciding whether to purchase or lease equipment. Under current 2026 tax rules, a used Class 8 tractor priced around $57,000–$90,000 can be fully depreciated in the year of purchase, allowing owner-operators to reduce taxable income dramatically and retain significant cash in their businesses during year one. For an operator earning $100,000 in taxable income and purchasing a $90,000 truck, the difference between leasing and buying can exceed $19,000–$20,000 in federal tax savings alone, making equipment ownership substantially more attractive from a capital-efficiency perspective.

This shift matters acutely to supply chain professionals managing or advising fleet operations and owner-operator networks. The lower effective cost of truck ownership—when tax incentives are properly applied—has implications for fleet capacity utilization, maintenance cost structures, and working capital requirements. Many owner-operators have historically leased to preserve capital and avoid depreciation risk; the new tax environment incentivizes a shift toward ownership, which could reshape the independent carrier ecosystem and rental market demand.

However, the article emphasizes that tax law is deeply personal to individual circumstances: business structure, state tax conformity, marginal tax bracket, and annual income all determine whether the Section 179 or bonus depreciation benefit will materialize. Owner-operators must engage qualified tax professionals to model their specific situations; generic advice can leave real money on the table. For supply chain teams, this underscores the importance of understanding the financial levers that drive carrier behavior and pricing strategies.

#owner-operator-finance

#section-179-depreciation

#truck-leasing-vs-buying