Kubota

Kubota L4150

The Kubota L4150 is a compact utility tractor produced from 1984 to 1990 as part of Kubota's L Series. It features a 50 hp 2.3L 5-cylinder diesel engine, an 8-speed partially synchronized transmission, and is available in two- or four-wheel drive variants. The tractor offers power steering, mechanical wet disc brakes, and a two-post ROPS with optional sunshade. It has a fuel capacity of 15.3 gallons and a hydraulic system capacity of 10.6 gallons. The L4150 supports various attachments including front-end loaders (BF900 and LA950A) and backhoes (Kubota L4540 and L4540A). It is designed for versatility and utility in compact tractor applications.
Power50 hp
Founded1984 - 1990
ModelL4150

Technical Specifications

Detailed specifications and technical data for Kubota L4150

Power
Engine50 hp (37.3 kW)
PTO (tested)40.64 hp (30.3 kW)
PTO (claimed)40 hp (29.8 kW)
Drawbar (tested)32.70 hp (24.4 kW)
Engine
Typediesel
ModelKubota F2302-D1-2
Power50 hp (37.3 kW)
Coolingliquid-cooled
Cylinders5-cylinder
Rated RPM2600
Air cleanerdual dry elements
Bore/Stroke3.3x3.2 inches (84 x 81 mm)
Displacement142 ci (2.3 L)
Oil capacity12 qts (11.4 L)
Starter volts12
Coolant capacity8 qts (7.6 L)
Capacity
Fuel15.3 gal (57.9 L)
Hydraulic system10.6 gal (40.1 L)
Electrical
Groundnegative
Battery volts12
Hydraulics
Typeopen center
Valves0 or 1
Capacity10.6 gal (40.1 L)
Pressure2500 psi (172.4 bar)
Pump flow9.0 gpm (34.1 lpm)
Mechanical
ROPSTwo-post ROPS with optional sunshade
DriveTwo- or four-wheel drive
BrakesMechanical wet disc brakes
Steeringpower
Production
TypeCompact Utility tractor
SeriesL Series
VariantsL4150F 2WD, L4150DT 4WD, L4150DTN narrow
Years made1984 - 1990
ManufacturerKubota
Attachments
BackhoeKubota L4540 Backhoe, Kubota L4540A Backhoe
LoadersKubota BF900 loader, Kubota LA950A loader
Transmission
Typepartially synchronized
Gears8 forward and reverse
Clutchsingle dry plate
Oil capacity42.4 qts (40.1 L)
Tractor hitch
Rear TypeI
Rear lift (at ends)3,525 lbs (1598 kg)
Rear lift (at 24"/610mm)2,650 lbs (1202 kg)
Dimensions & Tires
TiresAg front 6.50-16 (2WD), 9.5-20 (4WD), Ag rear 14.9-28, Ag front 8.3-20 (4WD), Ag rear 16.9-24, 18.4-16.1 (2WD), 13.6-28 (4WD), Lawn/turf rear 18.4-16.1 (2WD), Industrial front 9.00-10 (2WD)
Width68 inches (172 cm)
Length129.5 inches (328 cm)
Wheelbase76.4 inches (194 cm)
2WD Weight3750 lbs (1701 kg)
4WD Weight4080 lbs (1850 kg)
Rear tread52 to 76 inches (132 to 193 cm)
2WD Front tread48 to 72 inches (121 to 182 cm)
4WD Front tread56 inches (142 cm)
2WD Ground clearance13.6 inches (34 cm)
4WD Ground clearance14.4 inches (36 cm)
Height (steering wheel)62.2 inches (157 cm)
Kubota BF900 loader
Boom cyl2.4 inches (6 cm)
Boom rod1.4 inches (3 cm)
Breakout3068 lbs (1391 kg)
Rollback27°
Bucket cyl2.4 inches (6 cm)
Bucket rod1.4 inches (3 cm)
Dump angle40°
Bucket width70 inches (177 cm)
Reach (dumped)29.9 inches (75 cm)
Reach (ground)69.7 inches (177 cm)
Height (at pin)111.4 inches (282 cm)
Clearance (dumped)86.8 inches (220 cm)
Lift (full at pin)1985 lbs (900 kg)
Kubota L4540 Backhoe
Backhoe typeKubota L4540 Backhoe
Bucket force3980 lbs (1805 kg)
Bucket widths13 inches (33 cm), 18 inches (45 cm), 24 inches (60 cm), 30 inches (76 cm)
Digging depth123 inches (312 cm)
Reach from pivot167 inches (424 cm)
Transport height105 inches (266 cm)
Dipperstick force1675 lbs (759 kg)
Kubota LA950A loader
Boom cyl2.25 inches (5 cm)
Boom rod1.4 inches (3 cm)
Breakout3234 lbs (1466 kg)
Rollback25°
Bucket cyl2.5 inches (6 cm)
Bucket rod1.4 inches (3 cm)
Dump angle40°
Bucket width70.1 inches (178 cm)
Reach (dumped)29.9 inches (75 cm)
Reach (ground)69.7 inches (177 cm)
Height (at pin)113.4 inches (288 cm)
Clearance (dumped)88.6 inches (225 cm)
Lift (full at pin)2094 lbs (949 kg)
Power Take-off (PTO)
Rear PTOlive
Rear PTO Type540/750
Kubota L4540A Backhoe
Swing Arc180°
Backhoe typeKubota L4540A Backhoe
Bucket force3450 lbs (1564 kg)
Bucket widths13 inches (33 cm), 18 inches (45 cm), 24 inches (60 cm), 30 inches (76 cm), 36 inches (91 cm)
Digging depth135.5 inches (344 cm)
Loading height98.6 inches (250 cm)
Bucket Rotation180°
Reach from pivot167.4 inches (425 cm)
Transport height103.2 inches (262 cm)
Dipperstick force2740 lbs (1242 kg)