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Kubota L4150

Kubota L4150 tractor
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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.
Kubota L4150Kubota L4150 specsKubota L4150 engineKubota L4150 transmissionKubota L4150 dimensionsKubota L4150 attachmentscompact utility tractor
Power50 hp
Founded1984 - 1990
ModelL4150

Technical Specifications

Detailed specifications and technical data for Kubota L4150

Power

Engine:50 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

Type:diesel
Model:Kubota F2302-D1-2
Power:50 hp (37.3 kW)
Cooling:liquid-cooled
Cylinders:5-cylinder
Rated RPM:2600
Air cleaner:dual dry elements
Bore/Stroke:3.3x3.2 inches (84 x 81 mm)
Displacement:142 ci (2.3 L)
Oil capacity:12 qts (11.4 L)
Starter volts:12
Coolant capacity:8 qts (7.6 L)

Capacity

Fuel:15.3 gal (57.9 L)
Hydraulic system:10.6 gal (40.1 L)

Electrical

Ground:negative
Battery volts:12

Hydraulics

Type:open center
Valves:0 or 1
Capacity:10.6 gal (40.1 L)
Pressure:2500 psi (172.4 bar)
Pump flow:9.0 gpm (34.1 lpm)

Mechanical

ROPS:Two-post ROPS with optional sunshade
Drive:Two- or four-wheel drive
Brakes:Mechanical wet disc brakes
Steering:power

Production

Type:Compact Utility tractor
Series:L Series
Variants:L4150F 2WD, L4150DT 4WD, L4150DTN narrow
Years made:1984 - 1990
Manufacturer:Kubota

Attachments

Backhoe:Kubota L4540 Backhoe, Kubota L4540A Backhoe
Loaders:Kubota BF900 loader, Kubota LA950A loader

Transmission

Type:partially synchronized
Gears:8 forward and reverse
Clutch:single dry plate
Oil capacity:42.4 qts (40.1 L)

Tractor hitch

Rear Type:I
Rear lift (at ends):3,525 lbs (1598 kg)
Rear lift (at 24"/610mm):2,650 lbs (1202 kg)

Dimensions & Tires

Tires:Ag 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)
Width:68 inches (172 cm)
Length:129.5 inches (328 cm)
Wheelbase:76.4 inches (194 cm)
2WD Weight:3750 lbs (1701 kg)
4WD Weight:4080 lbs (1850 kg)
Rear tread:52 to 76 inches (132 to 193 cm)
2WD Front tread:48 to 72 inches (121 to 182 cm)
4WD Front tread:56 inches (142 cm)
2WD Ground clearance:13.6 inches (34 cm)
4WD Ground clearance:14.4 inches (36 cm)
Height (steering wheel):62.2 inches (157 cm)

Kubota BF900 loader

Boom cyl:2.4 inches (6 cm)
Boom rod:1.4 inches (3 cm)
Breakout:3068 lbs (1391 kg)
Rollback:27°
Bucket cyl:2.4 inches (6 cm)
Bucket rod:1.4 inches (3 cm)
Dump angle:40°
Bucket width:70 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 type:Kubota L4540 Backhoe
Bucket force:3980 lbs (1805 kg)
Bucket widths:13 inches (33 cm), 18 inches (45 cm), 24 inches (60 cm), 30 inches (76 cm)
Digging depth:123 inches (312 cm)
Reach from pivot:167 inches (424 cm)
Transport height:105 inches (266 cm)
Dipperstick force:1675 lbs (759 kg)

Kubota LA950A loader

Boom cyl:2.25 inches (5 cm)
Boom rod:1.4 inches (3 cm)
Breakout:3234 lbs (1466 kg)
Rollback:25°
Bucket cyl:2.5 inches (6 cm)
Bucket rod:1.4 inches (3 cm)
Dump angle:40°
Bucket width:70.1 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 PTO:live
Rear PTO Type:540/750

Kubota L4540A Backhoe

Swing Arc:180°
Backhoe type:Kubota L4540A Backhoe
Bucket force:3450 lbs (1564 kg)
Bucket widths:13 inches (33 cm), 18 inches (45 cm), 24 inches (60 cm), 30 inches (76 cm), 36 inches (91 cm)
Digging depth:135.5 inches (344 cm)
Loading height:98.6 inches (250 cm)
Bucket Rotation:180°
Reach from pivot:167.4 inches (425 cm)
Transport height:103.2 inches (262 cm)
Dipperstick force:2740 lbs (1242 kg)