Is Equipment 5 or 7-Year Depreciation? IRS Classes and Section 179

Under the IRS’s Modified Accelerated Cost Recovery System (MACRS), business equipment depreciates over either five or seven years depending on what it is. Computers, vehicles, office machines, and a short list of specified categories are 5-year property. Office furniture, used farm machinery, and any equipment the tax code does not otherwise classify default to 7 years. So the answer to whether equipment is 5 or 7 year depreciation property comes down to matching your asset to the IRS class it belongs in, not guessing from its useful life.

What Counts as 5-Year Equipment

Five-year property covers assets that tend to become outdated or wear out relatively quickly. The federal tax code names several specific categories.¹

Computers and peripherals, including desktop and laptop computers, monitors, and printers. A computer built into another piece of equipment, such as a CNC machine, does not count separately; it depreciates with the larger asset.
Automobiles and light general-purpose trucks used in business. Passenger vehicles also face separate annual dollar caps under Section 280F that are adjusted for inflation.²
Office machines like typewriters, calculators, and copiers. The tax code excludes these from the definition of “computer or peripheral equipment,” but they still land in the 5-year class through their assigned asset class life.³
Any tangible property used directly in research and experimentation activities.
High-technology medical equipment, such as electronic diagnostic imaging machines.
Semiconductor manufacturing equipment.
New farm machinery whose original use begins with you after 2017. Grain bins, cotton ginning assets, fences, and other land improvements are excluded.¹
Qualifying solar, wind, and geothermal energy property placed in service after 2024.³

Residential rental property owners also put several assets in the 5-year class. Appliances like stoves and refrigerators, along with carpeting and furniture used in the rental unit, all follow the 5-year schedule.⁴

What Counts as 7-Year Equipment

Seven-year property generally covers more durable assets, and it serves as the default for equipment that does not fit into any other named class.

Office furniture and fixtures, including desks, chairs, filing cabinets, and safes.³
Used farm equipment placed in service after 2017 where you are not the original user. New farm machinery gets the 5-year treatment described above, but used tractors, harvesters, and similar machinery sit here.³
Grain bins and cotton ginning assets, which are excluded from the 5-year new-farm-equipment rule.
Railroad track owned by a business.¹
Any property that has no class life and is not specifically placed in another recovery period. Property with a class life of at least 10 years but less than 16 years also lands here.³¹

That catch-all matters. Buy a piece of specialized industrial or custom manufacturing tooling that isn’t specifically named anywhere else, and it depreciates over 7 years rather than something longer.

How the IRS Decides Which Class Applies

The IRS assigns hundreds of property types to “asset classes” in Revenue Procedure 87-56, and each class carries a “class life” (an estimated useful life in years). That class life is what drives the recovery period. Property with a class life of less than 10 years generally falls into the 5-year period; property with a class life of 10 to less than 16 years is 7-year property.³

Some classes travel with the equipment across every industry. Automobiles, computers, and office furniture each have their own class regardless of the business using them. Other classes are industry-specific. A cash register in a retail store, for example, may fall under the “Distributive Trades” asset class with a 9-year class life and a 5-year recovery period, while office furniture across all industries carries a 10-year class life and a 7-year recovery period.

When one asset is used in more than one business activity, the primary use controls the entire classification. A machine that spends 60 percent of its time in manufacturing and 40 percent in general services is classified under the manufacturing class. Misclassifying a 7-year asset as 5-year property accelerates deductions you were not entitled to and can trigger interest charges or accuracy penalties on audit.

Assets That Fall Outside the 5/7 Split

Not every piece of business property fits into either bucket. A few boundaries are worth knowing so you don’t force the wrong classification.

Off-the-shelf computer software has its own rule. Qualifying software is depreciated over 36 months using the straight-line method rather than the 5-year or 7-year MACRS schedule. To qualify, it must be readily available for purchase by the general public, licensed on a nonexclusive basis, and not substantially modified for your business.³

Telephone systems are a common trap. Telephone distribution plant and comparable equipment used for two-way voice and data communication is 15-year property, not 7-year.⁵ Computer-based telephone central office switching equipment, on the other hand, is 5-year property.¹

Other MACRS classes exist as well. Three-year property covers certain specialized tools with very short class lives. Ten-year property includes vessels and barges. Fifteen-year property covers telephone distribution plant and certain land improvements. If your equipment doesn’t cleanly fit the 5-year or 7-year descriptions above, check whether one of these other periods applies before defaulting.

First-Year Alternatives to Spreading the Deduction

Knowing whether equipment is 5 or 7 year property matters less if you can deduct the full cost in year one. Two provisions often make that possible.

Section 179 Expensing

Section 179 lets you deduct the cost of qualifying business equipment, new or used, in the first year instead of depreciating it. For tax years beginning in 2026, the maximum Section 179 deduction is $1,260,000, and the limit begins to phase out dollar-for-dollar once your total equipment purchases for the year exceed $4,090,000. For sport utility vehicles and certain other vehicles, the Section 179 deduction is capped at $32,000.⁶

The Section 179 deduction cannot exceed your taxable income from active business operations for the year. Amounts you cannot use because of that income limit carry forward. The property must be acquired by purchase from an unrelated party; gifts and inheritances do not qualify.

Bonus Depreciation

Bonus depreciation, formally the “additional first-year depreciation deduction,” lets you write off a percentage of a qualifying asset’s cost on top of or in place of regular MACRS depreciation. The One Big Beautiful Bill Act, signed on August 5, 2025, permanently restored 100-percent bonus depreciation for qualifying business property placed in service after January 19, 2025.⁷ For equipment placed in service during 2026, that generally means the entire cost is deductible in the first year.

Unlike Section 179, bonus depreciation has no dollar cap and no taxable-income limitation. It can even create or increase a net operating loss. It applies automatically to all eligible property in a given MACRS class unless you elect out on a class-by-class basis, so you can take bonus depreciation on your 5-year property and skip it for your 7-year property, but you cannot pick and choose individual assets within the same class.

What This Looks Like on Your Return

Report depreciation and Section 179 deductions on IRS Form 4562. You must file the form for any year you place new depreciable property in service, claim a Section 179 deduction (including a carryover from a prior year), or deduct depreciation on a vehicle or other listed property.⁸

Keep records for every depreciable asset, including purchase date, cost, business-use percentage, and depreciation method, until the statute of limitations expires for the year you dispose of the property. That usually means at least three years after filing the return that reports the sale or retirement. If you underreport income by more than 25 percent of gross income, the IRS has six years, so longer retention is a reasonable precaution.⁹

1
Office of the Law Revision Counsel. 26 USC 168 – Accelerated Cost Recovery System
2
Office of the Law Revision Counsel. 26 USC 280F – Limitation on Depreciation for Luxury Automobiles
3
Internal Revenue Service. Publication 946 – How To Depreciate Property
4
Internal Revenue Service. Publication 527 – Residential Rental Property
5
Legal Information Institute. 26 USC 168(e)(3) – Definition of 15-Year Property
6
Internal Revenue Service. Revenue Procedure 25-32 – Inflation Adjusted Items
7
Internal Revenue Service. One Big Beautiful Bill Provisions
8
Internal Revenue Service. Instructions for Form 4562
9
Internal Revenue Service. How Long Should I Keep Records