Slide 8 -
3-,5-,7-,10-,15-, or 20- year classes
3-year: breeding hogs
5-year: cars, pickups, breeding cattle and sheep, dairy cattle, computers, trucks.
7-year: most farm machinery and equipment, fences, grain bins, silos, office furniture
10-year: Single purpose agricultural and horticulture structures such as confinement swine facilities and green houses as well as trees bearing fruits or nuts.
15-year: water wells, paved lots, drainage tile.
20-year: general-purpose buildings such as machine sheds and hay barns Income Tax Depreciation