Kubota L3901
The Kubota L3901 is a compact utility tractor produced from 2014 to 2022 as part of the L01 Standard Series. It features a Kubota 1.8L 3-cylinder liquid-cooled diesel engine with Tier IV emissions, delivering 37.5 hp gross and 36.3 hp net power. The tractor offers transmission options including an 8-speed synchronized shuttle and a hydrostatic transmission. It has 2WD and 4WD drive options, power steering, mechanical wet disc brakes, and a two-post folding ROPS. The hydraulics system is open center with 2347 psi pressure and 6.3 gpm pump flow. The rear hitch is category I with position control and a lift capacity up to 1985 lbs at the ends. The PTO is live with a dual stage dry disc clutch and 540 rpm speed. Dimensions include a 63.3 inch wheelbase, 55.1 inch width, and 91.7 inch height with ROPS. Tires vary for 2WD and 4WD configurations with agricultural, lawn/turf, and industrial options. The tractor weighs between 2590 and 2778 lbs depending on configuration. Electrical system includes a 12 volt alternator with 40 amps charging capacity and a 580 CCA battery. Attachments include the LA525 front-end loader and Kubota BH77 backhoe with detailed lift and digging specifications.
Power37 hp
Founded2014 - 2022
ModelL3901
Technical Specifications
Detailed specifications and technical data for Kubota L3901
Power
| Engine (net) | 36.3 hp (27.1 kW) |
|---|---|
| Engine (gross) | 37.5 hp (28.0 kW) |
| Gear PTO (claimed) | 32.1 hp (23.9 kW) |
| Hydro PTO (claimed) | 30.6 hp (22.8 kW) |
Engine
| Model | Kubota 1.8L 3-cyl diesel |
|---|---|
| Starter | electric |
| Emissions | Tier IV |
| Fuel tank | 11.1 gal (42.0 L) |
| Rated RPM | 2700 |
| Bore/Stroke | 3.43x4.03 inches (87 x 102 mm) |
| Fuel system | common rail direct injection |
| Power (net) | 36.3 hp (27.1 kW) |
| Displacement | 111.4 ci (1.8 L) |
| Power (gross) | 37.5 hp (28.0 kW) |
| Starter volts | 12 |
Weight
| 2WD Gear | 2590 lbs (1174 kg) |
|---|---|
| 4WD Gear | 2767 lbs (1255 kg) |
| 4WD Hydro | 2778 lbs (1260 kg) |
Electrical
| Ground | negative |
|---|---|
| Battery CCA | 580 |
| Battery volts | 12 |
| Charging amps | 40 |
| Charging volts | 12 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Pressure | 2347 psi (161.8 bar) |
| Pump flow | 6.3 gpm (23.8 lpm) |
| Steering flow | 3.8 gpm (14.4 lpm) |
Mechanical
| ROPS | Two-post folding ROPS |
|---|---|
| Drive | 4x2 2WD (Gear only), 4x4 MFWD 4WD |
| Brakes | Mechanical wet disc brakes |
| Steering | power |
Production
| Type | Compact Utility tractor |
|---|---|
| Series | L01 Standard Series |
| Years made | 2014 - 2022 |
| Manufacturer | Kubota |
Attachments
| Backhoe | Kubota BH77 Backhoe |
|---|---|
| Backhoe type | Kubota BH77 Backhoe |
| Front-end loader | LA525 Loader |
| Loader dump time | 1.7s |
| Loader dump angle | 40° |
| Loader lower time | 2.3s |
| Loader raise time | 3.5s |
| Backhoe Bucket force | 3421 lbs (1551 kg) |
| Loader rollback time | 2.2s |
| Loader reach (dumped) | 25.4 inches (64 cm) |
| Loader reach (ground) | 63.7 inches (161 cm) |
| Loader rollback angle | 31° |
| Backhoe Loading height | 65.7 inches (166 cm) |
| Loader height (at pin) | 94.3 inches (239 cm) |
| Backhoe Bucket Rotation | 180° |
| Backhoe Reach from pivot | 124.3 inches (315 cm) |
| Loader breakout (at pin) | 2462 lbs (1116 kg) |
| Backhoe Dipperstick force | 2190 lbs (993 kg) |
| Loader clearance (dumped) | 76.2 inches (193 cm) |
| Loader lift (1.5m at pin) | 1490 lbs (675 kg) |
| Loader lift (full at pin) | 1131 lbs (513 kg) |
| Loader breakout (at 500mm) | 1874 lbs (850 kg) |
| Loader lift (1.5m at 500mm) | 1182 lbs (536 kg) |
| Loader lift (full at 500mm) | 855 lbs (387 kg) |
| Backhoe 2-Foot flat digging depth | 89.8 inches (228 cm) |
Transmission
| Options | 8-speed synchronized shuttle, hydrostatic |
|---|---|
| Hydrostatic Type | hydrostatic |
| Hydrostatic Gears | infinite forward and reverse (3-range) |
| Synchronized shuttle Type | synchronized shuttle |
| Synchronized shuttle Gears | 8 forward and reverse |
| Synchronized shuttle Clutch | dry disc |
| Synchronized shuttle Description | Four gears (1-4) in two ranges with mechanical shuttle. |
Tractor hitch
| Control | position control |
|---|---|
| Rear Type | I |
| Rear lift (at ends) | 1985 lbs (900 kg) |
| Rear lift (at 24"/610mm) | 1433 lbs (650 kg) |
Dimensions & Tires
| Width | 55.1 inches (139 cm) |
|---|---|
| Wheelbase | 63.3 inches (160 cm) |
| Rear tread | 43.8/47.1/50.8 inches (111/119/129 cm) |
| Height (ROPS) | 91.7 inches (232 cm) |
| Lawn/turf rear | 13.6-16 |
| Industrial rear | 15-19.5 (4WD) |
| Lawn/turf front | 23x8.50-12 (2WD), 25x8.50-14 (4WD) |
| Industrial front | 27x8.50-15 (4WD) |
| Front tread (2WD) | 41.3 inches (104 cm) |
| Front tread (4WD) | 43.1 inches (109 cm) |
| 2WD Ground clearance | 13.6 inches (34 cm) |
| 4WD Ground clearance | 13.4 inches (34 cm) |
| 2WD Standard tires (ag) | Front: 5.00-15. Rear: 11.2-24 |
| 4WD Standard tires (ag) | Front: 7.2-16. Rear: 11.2-24 |
Power Take-off (PTO)
| Clutch | dual stage dry disc |
|---|---|
| Rear PTO | live |
| Rear PTO Type | 540 (1.375) |
