The Yanmar AC-21 specifications include engine power rated at 20.5 hp (15.3 kW), a hydrostatic transmission, and a listed weight of 1,830 lbs (830 kg).
Yanmar AC-21 key specifications
| Engine power | 20.5 hp (15.3 kW) |
|---|---|
| Displacement | 61.4 cu in (1.0 L) |
| Transmission | hydrostatic |
| Fuel capacity | 5.3 gal (20.1 L) |
| Weight | 1,830 lbs (830 kg) |
Yanmar AC-21 industry comparison
See how this tractor compares across up to six main specifications using the low, average and high values in this specifications database.
Engine power20.5 hp
Low 10 hpAverage 48.1 hpHigh 180 hp
Displacement1 L
Low 0.4 LAverage 2.6 LHigh 7.3 L
Fuel capacity5.3 gal
Low 2.4 galAverage 19.9 galHigh 79.3 gal
Weight1,830 lbs
Low 1,090 lbsAverage 5,021.9 lbsHigh 12,875 lbs
This model Industry average
Yanmar AC-21 dimensions chart
Compare the main listed tractor dimensions using centimetres.
Engine specifications
| Bore/Stroke | 2.91 × 3.07 inches (74 × 78 mm) |
|---|---|
| Starter | electric |
| Starter volts | 12 |
Mechanical specifications
| Drive | crawler |
|---|
Electrical specifications
| Electrical ground | negative |
|---|---|
| Battery volts | 12 |
Dimensions and weight
| Length | 92.1 inches (233 cm) |
|---|---|
| Width | 49.6 inches (125 cm) |
| Height | 71.9 inches (182 cm) |
| Ground clearance | 12.6 inches (32 cm) |
Note: Industry comparison values are calculated from models in this specifications database. Specifications can vary by year, market, configuration, tires and optional equipment. For official specifications, check the official Yanmar website or the tractor’s operator manual.






