The Kubota B21 is a 4WD backhoe loader tractor from the B series. This tractor was manufactured by the Kubota from 2001 to 2007. The Kubota B21 is equipped with 1.0 L three-cylinder diesel engine and hydrostatic transmission with infinite (3-range) forward and reverse gears.
The Kubota B21 backhoe loader tractor used the Kubota D1005 engine. It is a 1.0 L, 1,001 cm2, (61.1 cu·in) three-cylinder natural aspirated diesel engine with 76.0 mm (2.99 in) of the cylinder bore and 73.6 mm (2.9 in) of the piston stroke. This engine produced 21.4 PS (15.7 kW; 21.0 HP) at 2,600 rpm of maximum output power.
The Kubota B21 is equipped with hydrostatic power steering, wet disc type brakes, four-post ROPS/FOPS and 23.0 liters (6.1 US gal.; 5.1 Imp. gal) fuel tank.
Following attachments are available for the Kubota B21 backhoe loader tractor:
- Kubota loader
- Kubota backhoe
Kubota B21 Specifications
| General Specifications | |
| Model | Kubota B21 |
| Length | – |
| Width | – |
| Height | – |
| Wheel base | 1,530 mm (60.2 in) |
| Weight | 1,810 kg (3,990 lbs) |
| Fuel tank capacity | 23.0 liters (6.1 US gal.; 5.1 Imp. gal) |
| Battery | 12V |
| Cabin type | Four-post ROPS/FOPS |
| Engine | |
| Engine model | Kubota D1005 |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 3 |
| Fuel type | Diesel |
| Displacement | 1.0 L, 1001 cm2, (61.1 cu·in) |
| Bore and stroke | 76.0 mm X 73.6 mm (2.99 in X 2.9 in) |
| Horsepower | 21.4 PS (15.7 kW; 21.0 HP) at 2,600 rpm |
| Starter | Electric |
| Oil capacity: | 3.0 L (3.2 US. qt, 2.6 Imp. qt.) |
| Coolant capacity: | 3.4 L (3.6 US. qt, 3 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×4 MFWD 4WD |
| Steering type | Hydrostatic power |
| Brakes | Wet disc type |
| Differential lock | Mechanical rear |
| Transmission model | – |
| Transmission type | Hydrostatic |
| Gears | Infinite (3-range) forward and reverse |
| Speed | Forward: 17.9 kmh (11.1 mph) Reverse: 17.9 (11.1 mph) |
| Transmission oil capacity | 27.6 L (7.3 US. gal, 6.1 Imp. gal.) |
| Tires | |
| Front tires | Industrial: 23×8.50-14 |
| Rear tires | Industrial: 12.4-16 |
| Three-Point Hitch | |
| Caterogy | I |
| Control type | Position control |
| Lift capacity (at ends) | 460 kg (1,014 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | Live |
| Rear PTO spped | 540 rpm |
| Hydraulic system | |
| Hydraulic type | Open center |
| Hydraulic capacity | 27.6 L (29.16 US. qt, 24.28 Imp. qt.) |
| Pump flow | 7.1 gpm (26.9 lpm) |
| Steering flow | 1.3 gpm (4.9 lpm) |
| Total flow | 8.4 gpm (31.8 lpm) |
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