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
| 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) |
