Overview
The Kubota L3901 is a compact utility farm tractor produced from 2014 to 2022, equipped with a 1.8L three-cylinder Tier IV diesel engine. It is available in 2WD and 4WD configurations with either an 8-speed synchronized shuttle or a three-range hydrostatic transmission, supporting front-end loader and backhoe attachments.
Ideal Applications
Engine and PTO Output:
The 111.4 ci liquid-cooled engine is rated at 37.5 gross horsepower at 2700 RPM, yielding a claimed 32.1 hp for gear PTO and 30.6 hp for hydrostatic PTO applications.
Hydraulic and Hitch Capacity:
This model features an open center hydraulic system with a 6.3 gpm pump flow and a Category I rear hitch capable of lifting 1,433 lbs at 24 inches or 1,985 lbs at the lift ends.
Chassis and Operational Weight:
Operating weights range from 2,590 lbs for the 2WD gear configuration to 2,778 lbs for the 4WD hydrostatic version, all featuring a 63.3-inch wheelbase and mechanical wet disc brakes.
Production
| Description | Compact Utility tractor |
|---|---|
| Manufacturer | Kubota |
Engine
| Engine type | Kubota 1.8L 3-cyl diesel |
|---|---|
| Fuel tank | 11.1 gal (42.0 L) |
| Bore/Stroke | 3.43x4.03 inches (87 x 102 mm) |
| Description | Kubota / diesel / 3-cylinder / liquid-cooled |
| Displacement | 111.4 ci (1.8 L) |
| Emissions | Tier IV |
| Fuel system | common rail direct injection |
| Power (gross) | 37.5 hp (28.0 kW) |
| Power (net) | 36.3 hp (27.1 kW) |
| Rated RPM | 2700 |
| Starter | electric |
| Starter volts | 12 |
| Engine (gross) | 37.5 hp (28.0 kW) |
| Engine (net) | 36.3 hp (27.1 kW) |
| Gear PTO (claimed) | 32.1 hp (23.9 kW) |
| Hydro PTO (claimed) | 30.6 hp (22.8 kW) |
Transmission
| Clutch | dry disc |
|---|---|
| Description | Four gears (1-4) in two ranges with mechanical shuttle. |
| Gears | 8 forward and reverse / infinite forward and reverse (3-range) |
| Type | synchronized shuttle / hydrostatic |
| Description | hydrostatic |
| Transmission type | 8-speed synchronized shuttle |
| Description | hydrostatic |
| Transmission type | 8-speed synchronized shuttle |
Mechanical
| Description | Mechanical wet disc brakes / Two-post folding ROPS. |
|---|---|
| Drive | 4x2 2WD *Gear only |
| Steering | power |
Hydraulics
| Pressure | 2347 psi (161.8 bar) |
|---|---|
| Pump flow | 6.3 gpm (23.8 lpm) |
| Steering flow | 3.8 gpm (14.4 lpm) |
| Type | open center |
Hitch
| Control | position control |
|---|---|
| Rear lift (at 24"/610mm) | 1433 lbs (650 kg) |
| Rear lift (at ends) | 1985 lbs (900 kg) |
| Rear Type | I |
PTO
| Clutch | dual stage dry disc |
|---|---|
| Rear PTO | live |
| Rear PTO Type | 540 (1.375) |
Electrical
| Battery CCA | 580 |
|---|---|
| Battery volts | 12 |
| Charging amps | 40 |
| Charging system | alternator |
| Charging volts | 12 |
| Ground | negative |
Dimensions & Tires
| 2WD Ground clearance | 13.6 inches (34 cm) |
|---|---|
| 4WD Ground clearance | 13.4 inches (34 cm) |
| Front tread | 41.3 inches (2WD) (104 cm) / 43.1 inches (4WD) (109 cm) |
| Height (ROPS) | 91.7 inches (232 cm) |
| Rear tread | 43.8/47.1/50.8 inches (111/119/129 cm) |
| Wheelbase | 63.3 inches (160 cm) |
| Width | 55.1 inches (139 cm) |
| 2WD Rear tire | 11.2-24 |
| Front tire | 5.00-15 |
| Weight | 2590 to 2778 pounds |
| Wheelbase | 63.3 inches (160 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 |
| Industrial front | 27x8.50-15 (4WD) |
| Industrial rear | 15-19.5 (4WD) |
| Lawn/turf front | 23x8.50-12 (2WD) |
| Lawn/turf rear | 13.6-16 |
Kubota L3901 Weight
| 2WD Gear | 2590 lbs (1174 kg) |
|---|---|
| 4WD Gear | 2767 lbs (1255 kg) |
| 4WD Hydro | 2778 lbs (1260 kg) |
Kubota L3901 attachments
| Description | front-end loader / backhoe |
|---|
References
| Description | L L3301/L3901/L4701 published in 2012, by Kubota |
|---|