The Kubota KB21X specifications include production from 2009 – 2014, engine power rated at 20.7 hp (15.4 kW), a power shift transmission, and a listed weight of 1,554 to 1,951 lbs.
Kubota KB21X key specifications
| Production years | 2009 – 2014 |
|---|---|
| Horsepower | 20 hp |
| Engine power | 20.7 hp (15.4 kW) |
| Displacement | 68.5 cu in (1.1 L) |
| Transmission | power shift |
| Weight | 1,554 to 1,951 lbs |
| Rear PTO speed | 540 rpm, 1.375-inch shaft |
Kubota KB21X Kubota model comparison
See how this tractor compares across up to six main specifications using the low, average and high values among Kubota models in this database.
Engine power20.7 hp
Low 9 hpAverage 44.1 hpHigh 200 hp
Displacement1.1 L
Low 0.5 LAverage 2.4 LHigh 6.7 L
Fuel capacity7.1 gal
Low 2.1 galAverage 17.3 galHigh 99 gal
Maximum listed weight1,951 lbs
Low 528 lbsAverage 3,997.4 lbsHigh 19,510 lbs
This model Kubota database average
Kubota KB21X dimensions chart
Compare the main listed tractor dimensions using centimetres.
Engine specifications
| Bore/Stroke | 3.07 × 3.09 inches (78 × 78 mm) |
|---|---|
| Rated RPM | 2,600 |
| Starter | electric |
| Starter volts | 12 |
Transmission options
| Gear options | 9 forward and reverse or 36 forward and 24 reverse |
|---|---|
| Clutch | dry disc |
PTO and hitch
| Rear hitch category | Category 0 |
|---|---|
| PTO engine speed | 530 PTO rpm at 2,600 engine rpm |
Capacities
| ROPS fuel capacity | 7.1 gal (26.9 L) |
|---|---|
| Cab fuel capacity | 5.6 gal (21.2 L) |
Electrical specifications
| Electrical ground | negative |
|---|---|
| Battery volts | 12 |
Dimensions and weight
| Listed weight range | 1,554 to 1,951 lbs |
|---|---|
| Ground clearance | 13.8 inches (35 cm) |
| ROPS Wheelbase | 53.2 inches (135 cm) |
| Cab Wheelbase | 53.7 inches (136 cm) |
| ROPS Length | 92.3 inches (234 cm) |
| Cab Length | 97.6 inches (247 cm) |
| ROPS Width | 44.5 inches (113 cm) |
| Cab Width | 47.6 inches (120 cm) |
| ROPS height | 74.8 inches (189 cm) |
| Cab height | 77.2 inches (196 cm) |
| ROPS gear | 1,554 lbs (704 kg) |
| ROPS Glideshift | 1,609 lbs (729 kg) |
| Cab gear | 1,896 lbs (860 kg) |
| Cab Glideshift | 1,951 lbs (884 kg) |
Tires and tread
| Front tread | 33.5 inches (85 cm) |
|---|---|
| Standard tires (ag) | Front: 6.00-12. Rear: 9.5-20 |
| ROPS Rear tread | 35 inches (88 cm) |
| Cab Rear tread | 38.2 inches (97 cm) |
Note: Comparison values are calculated from Kubota models in this specifications database. Specifications can vary by year, market, configuration, tires and optional equipment. For official specifications, check the official Kubota website or the tractor’s operator manual.
