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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.
Kubota L3901compact utility tractorKubota tractorL01 Standard Series37.5 hp tractor1.8L diesel enginesynchronized shuttle transmissionhydrostatic transmissionfront-end loaderbackhoe
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)

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