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Kubota L4150 Tractor

The Kubota L4150 is a L-series compact utility tractor. This model was manufactured from 1984 to 1990. The tractor was designed in 2 versions: L4150F (2WD) and L4150DT (4WD). The Kubota L4150 is equipped with a 141.9 cu.in (2.3L) Kubota F2302-DI 4-cycle 5-cylinder naturally aspirated liquid cooled diesel engine with a rated power of 50 hp (37.3 kW).

The transmission includes a single dry type clutch and partially synchronized gearbox with 8 forward and 8 reverse gears. Max forward speed - 15.4 mph (24.8 km/h), maximum reverse speed - 15.2 mph (24.5 km/h).

The open center hydraulic system includes a gear pump with a rated capacity of 9 gallons per minute (34.1 liters per minute). The main relief pressure is 172.5 bar (2500 psi). The 2-wheel drive models are equipped with 6.50x16 front tires and 14.9x28 rear tires. The 9.50x20 front tires and 14.9x28 rear tires are used for tractors with 4-wheel drive. The wheel base is 76.4" (1940 mm). The tractor is compatible with a Kubota BF900 loader with maximum lift height of 111.4" (2820 mm), and Kubota L4540 backhoe with digging depth of 123" (3120 mm).

Engine Model Kubota F2302-DI
Engine Type Vertical, 4-cycle, five-cylinder diesel
Number of Cylinders 5
Displacement, cu in (L) 141.9 (2.30)
Engine Bore, in (mm) 3.35 (85.0)
Engine Stroke, in (mm) 3.23 (82.0)
Aspiration Naturally aspirated
Rated Engine Power, hp (kW) 50.0 (37.3)
Rated Engine Speed, rpm 2600
Firing Order 1-3-5-4-2
Air cleaner Dual dry element
Valve Clearance (Cold), in (mm) 0.008 (0.20)
Piston Ring End Gap, in (mm) 0.024 (0.61)
Crankshaft End Play, in (mm) 0.012 (0.30)
Fuel Tank Capacity, gal (L) 15.3 (58.0)
Oil Capacity, qts (L) 12.0 (11.4)
Coolant Capacity, qts (L) 8.0 (7.6)
Electrical System Rating, Volts 12

Power Take-Off
PTO Operational Type Live
PTO Horsepower, hp (kW) 40.0 (29.8)
PTO Clutch Dry disc
PTO Speed, rpm 540/750
PTO / Engine Speed, rpm 540/2244

Transmission Type Partially synchronized
Gearbox Type 8F/8R
Number of Forward Gears 8
Number of Reverse Gears 8
Clutch Type Single dry plates
Oil Capacity, qts (L) 42.4 (40.1)
Maximum Forward Speed, mph (kph) 15.4 (24.8)
Maximum Reverse Speed, mph (kph) 15.2 (24.5)

Wheels and Tires
Drive Wheels 2WD/4WD
Steering Configuration Front steer
Steering System Power assist
Brakes Type Mechanical wet disc
Front Tire Size (2WD) 6.50x16
Rear Tire Size (2WD) 14.9x28
Front Tire Size (4WD) 9.50x20
Rear Tire Size (4WD) 14.9x28
Front Track Width (2WD), in (mm) 48-72 (1210-1820)
Front Track Width (4WD), in (mm) 56 (1420)
Rear Track Width, in (mm) 52-76 (1320-1930)

Hydraulic System
Hydraulic System Type Open center
Implement Pump Flow, gpm (Lpm) 9.0 (34.1)
Hydraulic Fluid Capacity, gal (L) 10.6 (40.1)
Hydraulic Pressure, Bar (psi) 172.5 (2500)
Number of Standard Remote Valves 0/1
3-Point Hitch Category 1
Standard Lift Capacity 24" (600mm) behind pin, lb (kg) 2650 (1200)
Standard Lift Capacity at lift pin, lb (kg) 3525 (1600)

Dimensions and Weight
Wheelbase, in (mm) 76.4 (1940)
Length, in (mm) 129.5 (3280)
Height (Steering Wheel), in (mm) 62.2 (1570)
Overall Width, in (mm) 68 (1720)
Ground Clearance (2WD), in (mm) 13.6 (340)
Ground Clearance (4WD), in (mm) 14.4 (360)
Turning Radius, in (mm) 118 (3000)
Weight (2WD), lb (kg) 3750 (1700)
Weight (4WD), lb (kg) 4080 (1850)



Farm Tractors Technical Specifications
JD 1026R JD 3650 JD 6400 JD 7810
FORD 1320 FORD 2810 FORD 3930 FORD 5600
MF 250 MF 690 MF 3060 MF 6180
NH TC48DA NH M100 NH T7550 NH 8560
CASE IH 495 CASE IH 1255XL CASE IH 2140 CASE IH 2294