Kubota KB21X
The Kubota KB21X is a sub-compact utility tractor produced from 2009 to 2014 as part of the KB Kingbull Extra Series. It features a Kubota D1105 1.1L 3-cylinder liquid-cooled diesel engine producing 20.7 hp (15.4 kW) at 2600 RPM. The tractor offers two transmission options: a 9-speed manual with dry disc clutch and a 36-speed Glideshift power shift transmission. It has four-wheel drive, power steering, mechanical wet disc brakes, and a two-post ROPS with an optional cab featuring air-conditioning. Fuel tank capacity varies with configuration, 7.1 gallons for ROPS and 5.6 gallons for cab models. The tractor's dimensions and weight vary depending on ROPS or cab and transmission type. Standard tires are 6.00-12 front and 9.5-20 rear. The PTO is a rear 540 RPM type. Electrical system is 12 volts with negative ground.
Power20 hp
Founded2009 - 2014
ModelKB21X
Technical Specifications
Detailed specifications and technical data for Kubota KB21X
Power
| Engine power | 20.7 hp (15.4 kW) |
|---|
Tires
| Standard tires (ag) | Front: 6.00-12. Rear: 9.5-20 |
|---|
Engine
| Type | diesel |
|---|---|
| Model | Kubota D1105 |
| Power | 20.7 hp (15.4 kW) |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 3-cylinder |
| Rated RPM | 2600 |
| Bore/Stroke | 3.07x3.09 inches (78 x 78 mm) |
| Displacement | 68.5 ci (1.1 L) |
| Starter volts | 12 |
Weight
| Cab gear | 1896 lbs (860 kg) |
|---|---|
| ROPS gear | 1554 lbs (704 kg) |
| Cab Glideshift | 1951 lbs (884 kg) |
| ROPS Glideshift | 1609 lbs (729 kg) |
Variants
| KB21X | wheeled |
|---|---|
| KB21X-PC | half-track |
Fuel tank
| Cab Fuel tank | 5.6 gal (21.2 L) |
|---|---|
| ROPS Fuel tank | 7.1 gal (26.9 L) |
Dimensions
| Cab Width | 47.6 inches (120 cm) |
|---|---|
| Cab Length | 97.6 inches (247 cm) |
| ROPS Width | 44.5 inches (113 cm) |
| Front tread | 33.5 inches (85 cm) |
| ROPS Length | 92.3 inches (234 cm) |
| Height (cab) | 77.2 inches (196 cm) |
| Cab Wheelbase | 53.7 inches (136 cm) |
| Height (ROPS) | 74.8 inches (189 cm) |
| Cab Rear tread | 38.2 inches (97 cm) |
| ROPS Wheelbase | 53.2 inches (135 cm) |
| ROPS Rear tread | 35 inches (88 cm) |
| Ground clearance | 13.8 inches (35 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
Mechanical
| ROPS | Two-post ROPS. Cab optional with air-conditioning. |
|---|---|
| Drive | Four-wheel drive |
| Brakes | Mechanical wet disc brakes |
| Steering | Power steering |
Production
| Series | KB Kingbull Extra Series |
|---|---|
| Category | Sub-Compact Utility tractor |
| Manufacturer | Kubota |
| Years produced | 2009 - 2014 |
Transmission
| 9-speed | 9 forward and reverse gears, dry disc clutch, three gears (1-3) in three ranges with shuttle shift |
|---|---|
| Options | 9-speed, 36-speed power shift |
| Glideshift | power shift, 36 forward and 24 reverse gears, sequential hydraulically-shifted transmission with twelve forward gears in three ranges; tractor must be stopped and clutch used to shift ranges |
Tractor hitch
| Rear Type | 0 |
|---|
Power Take-off (PTO)
| Engine RPM | 530@2600, 799@2600, 1182@2600, -662@2600 |
|---|---|
| Rear PTO Type | 540 (1.375) |
