*This article is for general informational purposes only and should not be considered tax advice. Consult an accountant about tax strategies for your specific situation.
Section 179 tax deductions and bonus depreciation benefits for 2026
When your business invests in new machinery, office equipment, or technology, you don’t always have to write off those costs slowly over many years. For the 2026 tax year, two powerful tax incentives, Section 179 and bonus depreciation, may significantly reduce your taxable income by letting you deduct those expenses right away.
While they target the same general pool of equipment, they follow entirely different sets of rules.
Section 179 vs. Bonus Depreciation: The Core Differences
Many business owners apply Section 179 to offset their taxable income first and then use bonus depreciation to cover any remaining costs.
Here is a side-by-side breakdown of how these two tax benefits operate in 2026:
| Feature | Section 179 | Bonus Depreciation |
| How it is Applied | Elective (you must actively choose it) | Automatic (unless you choose to opt out) |
| 2026 Maximum Cap | Limited to $2,560,000 | No overall dollar cap |
| Phase-Out Threshold | Begins at $4,090,000 in total purchases | No phase-out threshold |
| Income Limits | Limited by your business taxable income | Not limited by taxable income in the same way |
| Impact on Losses | Cannot create or increase a business loss | Can help create or increase a business loss |
| Asset Condition | Covers both new and used qualifying property | Covers both new and used qualifying property |
Understanding Section 179 Limits and Phase-Out
Section 179 allows your business to write off qualifying equipment and certain property immediately. However, it is designed with specific taxpayer-level limitations that track your total spending for the year.
For 2026, you can deduct up to a maximum of $2,560,000. However, if your total qualifying purchases exceed the phase-out threshold of $4,090,000, your maximum deduction begins to drop dollar-for-dollar.
Important Limit Rule: This phase-out calculation is strictly based on the qualifying Section 179 property you place in service during the year. It does not look at your entire business spending, raw materials, labor, or standard operating expenses.
Where Bonus Depreciation Takes Over
Bonus depreciation, unlike Section 179, comes with no dollar cap or phase-out limit which makes it ideal for covering purchases that exceed Section 179’s limits. Most companies maximize Section 179 first, then apply bonus depreciation to what’s left. It also applies more broadly, generally covering any qualifying property with a recovery period of 20 years or less.
What Types of Equipment Qualify?
Both incentives apply to a wide range of tangible business property. Some assets that qualify for bonus depreciation might not be ideal for Section 179 due to the phase-out or income limits.
Common qualifying items include:
- Tangible business property: Production equipment, machinery, and shop tools.
- Office assets: Office furniture and computers.
If you operate a machine shop, your capital equipment, like CNC mills, lathes, qualified tooling, and compressors, all may count directly toward your Section 179 threshold.
The “Placed in Service” Rule: Timing Is Everything
Buying a machine and paying for it before December 31 does not automatically guarantee a tax write-off for that calendar year. The IRS uses a strict test: Is the asset ready and available for its intended use before year-end?
Delivery alone is not enough to qualify.
- December 28: A brand-new CNC mill is delivered to your shop floor.
- January 3: The technicians finish wiring, installing, and powering up the machine.
- The Tax Result: Because the machine was not operational until January, it counts as placed in service for the new year, shifting your tax deduction forward.
If you are trying to maximize your current-year tax savings using Section 179, bonus depreciation, or a mix of both, make sure your equipment is fully installed and operational before the clock runs out on December 31!
Talk to your CPA or accounting team to determine the best approach for your business and capital investments. To map out how these rules affect your specific equipment purchases, use the following calculator to help you determine your exact thresholds and deduction limits.
