Section 179 Deduction 2026: Limits and Rules

Section 179 of the IRS tax code allows businesses to deduct the full purchase price of qualifying equipment in the year it is placed in service, rather than depreciating it over several years. For businesses considering equipment financing, understanding Section 179 can change the economics of a purchase significantly.

How It Works in Plain Terms

Normally, when you buy equipment, you depreciate the cost over its useful life — spreading the deduction across 5, 7, or more years. Section 179 lets you take the full deduction upfront in the year the equipment is placed in service, which can substantially reduce that year's taxable income.

Key point: you can claim the full deduction even if you financed the equipment. You do not need to pay cash to get the tax benefit. This is what makes combining equipment financing with Section 179 so powerful — you preserve your working capital while still claiming the full deduction.

What Qualifies

Section 179 generally applies to tangible personal property used in a business, including:

• Machinery and manufacturing equipment
• Vehicles (with limits on passenger vehicles)
• Computers, servers, and off-the-shelf software
• Office furniture and fixtures
• Certain improvements to nonresidential real property

Eligibility and limits can change. Always confirm current rules with a qualified tax professional for your specific tax year.

Limits to Understand

Section 179 has two key limits that change annually:

• Deduction limit: A maximum total deduction per year (the IRS adjusts this figure for inflation).
• Spending cap: Once total equipment purchases exceed a threshold, the deduction begins to phase out dollar-for-dollar.

Specific dollar limits are set by the IRS each year. For tax years beginning in 2026, the deduction limit is $2,560,000, and it phases out dollar-for-dollar once purchases exceed $4,090,000 (IRS Rev. Proc. 2025-32). Do not rely on outdated figures — verify the current year's limits before making purchasing decisions based on tax impact.

The Timing Rule That Trips Up Owners

The equipment must be placed in service by December 31 — not just ordered or paid for. "Placed in service" means the equipment is ready and available for use in the business. If you order equipment in December but it does not arrive until January, it falls into the next tax year.

This is why year-end equipment decisions require planning in October and November, not late December. (See our year-end tax strategy guide.)

How It Connects to Your Broader Strategy

Section 179 is not a reason to buy equipment you do not need. It is a reason to time and structure a purchase you were already considering so that it delivers both operational and tax benefits. The equipment still needs to generate enough cash to justify its cost (see evaluating equipment payments). The deduction improves the return — it does not create it.

For businesses preparing for a tax review, documenting equipment purchases and confirming Section 179 eligibility is a high-value step.