Kubota

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
ModelKubota 1.8L 3-cyl diesel
Starterelectric
EmissionsTier IV
Fuel tank11.1 gal (42.0 L)
Rated RPM2700
Bore/Stroke3.43x4.03 inches (87 x 102 mm)
Fuel systemcommon rail direct injection
Power (net)36.3 hp (27.1 kW)
Displacement111.4 ci (1.8 L)
Power (gross)37.5 hp (28.0 kW)
Starter volts12
Weight
2WD Gear2590 lbs (1174 kg)
4WD Gear2767 lbs (1255 kg)
4WD Hydro2778 lbs (1260 kg)
Electrical
Groundnegative
Battery CCA580
Battery volts12
Charging amps40
Charging volts12
Charging systemalternator
Hydraulics
Typeopen center
Pressure2347 psi (161.8 bar)
Pump flow6.3 gpm (23.8 lpm)
Steering flow3.8 gpm (14.4 lpm)
Mechanical
ROPSTwo-post folding ROPS
Drive4x2 2WD (Gear only), 4x4 MFWD 4WD
BrakesMechanical wet disc brakes
Steeringpower
Production
TypeCompact Utility tractor
SeriesL01 Standard Series
Years made2014 - 2022
ManufacturerKubota
Attachments
BackhoeKubota BH77 Backhoe
Backhoe typeKubota BH77 Backhoe
Front-end loaderLA525 Loader
Loader dump time1.7s
Loader dump angle40°
Loader lower time2.3s
Loader raise time3.5s
Backhoe Bucket force3421 lbs (1551 kg)
Loader rollback time2.2s
Loader reach (dumped)25.4 inches (64 cm)
Loader reach (ground)63.7 inches (161 cm)
Loader rollback angle31°
Backhoe Loading height65.7 inches (166 cm)
Loader height (at pin)94.3 inches (239 cm)
Backhoe Bucket Rotation180°
Backhoe Reach from pivot124.3 inches (315 cm)
Loader breakout (at pin)2462 lbs (1116 kg)
Backhoe Dipperstick force2190 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 depth89.8 inches (228 cm)
Transmission
Options8-speed synchronized shuttle, hydrostatic
Hydrostatic Typehydrostatic
Hydrostatic Gearsinfinite forward and reverse (3-range)
Synchronized shuttle Typesynchronized shuttle
Synchronized shuttle Gears8 forward and reverse
Synchronized shuttle Clutchdry disc
Synchronized shuttle DescriptionFour gears (1-4) in two ranges with mechanical shuttle.
Tractor hitch
Controlposition control
Rear TypeI
Rear lift (at ends)1985 lbs (900 kg)
Rear lift (at 24"/610mm)1433 lbs (650 kg)
Dimensions & Tires
Width55.1 inches (139 cm)
Wheelbase63.3 inches (160 cm)
Rear tread43.8/47.1/50.8 inches (111/119/129 cm)
Height (ROPS)91.7 inches (232 cm)
Lawn/turf rear13.6-16
Industrial rear15-19.5 (4WD)
Lawn/turf front23x8.50-12 (2WD), 25x8.50-14 (4WD)
Industrial front27x8.50-15 (4WD)
Front tread (2WD)41.3 inches (104 cm)
Front tread (4WD)43.1 inches (109 cm)
2WD Ground clearance13.6 inches (34 cm)
4WD Ground clearance13.4 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)
Clutchdual stage dry disc
Rear PTOlive
Rear PTO Type540 (1.375)