Large equipment purchases are considered business assets. Large equipment might include a vehicle purchased just for use in your business, Deductions for business assets can be complicated, because you can choose to capitalize it instead of simply deducting it. A capitalized expense is deducted over a course of several years in small amounts. It's deducted as amortization, depletion or depreciation. There are some situations in which this choice makes sense: major expenses can reduce your revenue significantly. But if you capitalize those expenses, you can effectively spread the cost out over the entire life of the purchase.