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Engine:
Kubota Standard
Power:
20 HP (Engine) / HP (PTO)
Fuel Type:
Diesel
Production:
2009 - 2014
| Overview | |
|---|---|
| Summary | x2009 - 2014 KB Kingbull Extra Series Sub-Compact Utility tractor |
| Production | |
|---|---|
| Manufacturer | Kubota |
| Summary | Sub-Compact Utility tractor |
| Variants | |
|---|---|
| KB21X | wheeled |
| KB21X-PC | half-track |
| Mechanical | |
|---|---|
| Summary | Four-wheel drive / Power steering / Mechanical wet disc brakes / Two-post ROPS. Cab optional with air-conditioning. |
| Tractor hitch | |
|---|---|
| Rear Type | 0 |
| Electrical | |
|---|---|
| Ground | negative |
| Battery volts | 12 |
| Engine Detail | |
|---|---|
| Summary | Kubota D1105 / diesel / 3-cylinder / liquid-cooled |
| Displacement | 68.5 ci 1.1 L |
| Bore/Stroke | 3.07x3.09 inches 78 x 78 mm |
| Power | 20.7 hp 15.4 kW |
| Rated RPM | 2600 |
| Starter | electric |
| Starter volts | 12 |
| Transmission options | |
|---|---|
| Summary | 9-speed / 36-speed power shift |
| Transmission | |
|---|---|
| Gears | 9 forward and reverse |
| Clutch | dry disc |
| Summary | Three gears (1-3) in three ranges with shuttle shift. |
| Transmission | |
|---|---|
| Transmission | Glideshift |
| Type | power shift |
| Gears | 36 forward and 24 reverse |
| Summary | Sequential hydraulically-shifted transmission. Twelve forward gears with three ranges. Tractor must be stopped, and clutch used, to shift ranges. |
| Kubota KB21X Tires | |
|---|---|
| Standard tires (ag) | Front: 6.00-12. Rear: 9.5-20 |
| Dimensions | |
|---|---|
| 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 |
| Height (ROPS) | 74.8 inches 189 cm |
| Height (cab) | 77.2 inches 196 cm |
| Ground clearance | 13.8 inches 35 cm |
| Front tread | 33.5 inches 85 cm |
| ROPS Rear tread | 35 inches 88 cm |
| Cab Rear tread | 38.2 inches 97 cm |
| Kubota KB21X Weight | |
|---|---|
| ROPS gear | 1554 lbs 704 kg |
| ROPS Glideshift | 1609 lbs 729 kg |
| Cab gear | 1896 lbs 860 kg |
| Cab Glideshift | 1951 lbs 884 kg |
Last Database Update: 6/21/2025