The Kubota L3901 is a 2WD or 4WD (L3901DT) compact utility tractor from the Standard L series. This tractor has been manufactured by the Kubota since 2014. The Kubota L3901 is equipped with a 1.8 L three-cylinder diesel engine and one of two transmissions: gear shift transmission with 8 forward and 8 reverse gears or hydrostatic transmission (HST) with infinite (3-range) forward and reverse .
The Kubota L3901 compact utility tractor used the Kubota D1803 engine. It is a 1.8 L, 1,826 cm2, (111.4 cu·in) three-cylinder natural aspirated diesel engine with 87.0 mm (3.43 in) of the cylinder bore and 102.4 mm (4.03 in) of the piston stroke. This engine produced 38.0 PS (28.0 kW; 37.5 HP) of gross horsepower or 32.5 PS (23.9 KW; 32.0 HP) of PTO output power for the version with manual transmission and 31 PS (22.8 KW; 30.6 HP) for HST version.
The Kubota L3901 is equipped with integral type power steering, wet disc type brakes, open operator station with two-post ROPS and 42.0 liters (11.1 US gal.; 9.2 Imp. gal) fuel tank.
Following attachments are available for Kubota L3901 compact utility tractor:
- Kubota LA525 loader
- Kubota BH77 backhoe
Kubota L3901 Specifications
| General Specifications | |
| Model | Kubota L3901 |
| Length | 2WD: 2,810 mm (110.6 in) 4WD: 2,740 (107.9) mm (107.9 in) |
| Width | 1,400 mm (55.1 in) |
| Height | 2,330 mm (91.7 in) |
| Wheel base | 1,610 mm (63.4 in) |
| Weight | 2WD: 1,175 kg (2,590 lbs) 4WD: 1,255 kg (2,767 lbs) 4WD HST: 1,260 kg (2,778 lbs) |
| Fuel tank capacity | 42.0 liters (11.1 US gal.; 9.2 Imp. gal) |
| Battery | 12V, CCA: 580A |
| Cabin type | Open operator station with two-post ROPS |
| Engine | |
| Engine model | Kubota D1803 |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 3 |
| Fuel type | Diesel |
| Displacement | 1.8 L, 1,826 cm2, (111.4 cu·in) |
| Bore and stroke | 87.0 mm X 102.4 mm (3.43 in X 4.03 in) |
| Horsepower | 38.1 PS (28.0 kW; 37.5 HP) |
| Torque | 115.8 N·m (11.8 kg·m, 85.3 ft·lb) |
| Starter | Electric |
| Oil type | SAE 10W-30 |
| Oil capacity: | 6.7 L (7.08 US. qt, 5.9 Imp. qt.) |
| Coolant capacity: | 6.0 L (6.34 US. qt, 5.28 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×2 2WD or 4×4 MFWD 4WD |
| Steering type | Integral type power steering |
| Brakes | Wet disk type |
| Transmission model | – |
| Transmission type | Gear shift with dry type dual stage clutch |
| Gears | 8 forward and 8 reverse |
| Speed | Forward: 21.0 kmh (13.1 mph) Reverse: 21.0 (13.1 mph) |
| Transmission oil type | KUBOTA SUPER UDT-2 |
| Transmission oil capacity | 2WD: 28.0 L (29.6 US. qt, 24.6 Imp. qt.) 4WD: 28.5 L (30.1 US. qt, 25.1 Imp. qt.) |
| Transmission model | – |
| Transmission type | Hydrostatic type with dry type sigle stage clutch |
| Gears | Infinite (3-range) forward and reverse |
| Speed | Forward: 22.7 kmh (14.1 mph) Reverse: 20.4 (12.7 mph) |
| Transmission oil type | KUBOTA SUPER UDT-2 |
| Transmission oil capacity | 23.5 L (24.83 US. qt, 20.68 Imp. qt.) |
| Tires | |
| Front tires | Ag: 2WD: 5.00-15, 7.5-12, 4WD: 7-16 |
| Rear tires | Ag: 11.2-24 |
| Three-Point Hitch | |
| Caterogy | I |
| Control type | Position control |
| Lift capacity | 900 kg (1,985 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | Live |
| Rear PTO spped | 540 rpm |
| Hydraulic system | |
| Hydraulic type | Open center |
| Pressure | 2347 psi (161.8 bar) |
| Pump flow | 6.3 gpm (23.8 lpm) |
| Total flow | 10.1 gpm (38.2 lpm) |
| Steering flow | 3.8 gpm (14.4 lpm) |
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