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Kubota M4950 Tractor

The Kubota M4950 utility tractor was manufactured from 1983 to 1993. This model has two version: M4950F (2WD) and M4950DT (4WD). The Kubota M4950 powertrain system components: a 170.3 cu.in (2.8 L) Kubota S2800-A six-cylinder liquid-cooled diesel engine and fully synchronized transmission with 12 forward and 4 reverse gears. The engine has a cylinder bore of 3.35" (85 mm), piston stroke of 3.23" (82 mm), and rated power of 51 hp (38 kW). The maximum travel speed (forward/reverse): 15.7 mph (25.3 kph) and 6.6 mph (10.6 kph).

The open center hydraulic system has a gear pump with a rated capacity of 9.3 gal/min (35 l/min). The hydraulic pressure is 181 bar (2630 psi). The 2-wheel drive models are equipped with 6.0x16 front tires and 14.9x28 rear tires. The 8.3x24 front tires and 14.9x28 rear tires are used for 4-wheel drive tractors. The Kubota M4950 tractor can be equipped with Kubota M1840A front-end loader with a lift capacity to full height of 2350 lbs (1065 kg) and breakout force of 4400 (1995 kg).

Engine Model Kubota S2800-A
Engine Type Vertical 4-Stroke Six-cylinder diesel
Number of Cylinders 6
Displacement, cu in (L) 170.3 (2.80)
Engine Bore, in (mm) 3.35 (85.0)
Engine Stroke, in (mm) 3.23 (82.0)
Aspiration Natural
Rated Engine Power, hp (kW) 51.0 (38.0)
Rated Engine Speed, rpm 2600
Compression 21.0:1
Firing Order 1-5-3-6-2-4
Fuel Injection Pump Bosch K Mini Type
Governor Mechanical
Nozzle Throttle Type
Lubrication System Forced Lubrication by Rotor Type
Fuel Tank Capacity, gal (L) 18.5 (70.0)
Oil Capacity, qts (L) 14.5 (13.7)
Coolant Capacity, qts (L) 8.7 (8.2)
Electrical System Rating, Volts 12
Charging System Alternator
Alternator Rating, Amps 65

Power Take-Off
PTO Operational Type Independent
PTO Horsepower, hp (kW) 47.0 (35.0)
PTO Clutch Dry disc
PTO Speed, rpm 540

Transmission Type Fully synchronized
Gearbox Type 12F/4R
Number of Forward Gears 12
Number of Reverse Gears 4
Clutch Type Dual dry disc
Clutch Disc Diameter, in (mm) 11 (280)
Oil Capacity, qts (L) 50.8 (48.1)
Maximum Forward Speed, mph (kph) 15.7 (25.3)
Maximum Reverse Speed, mph (kph) 6.6 (10.6)

Wheels and Tires
Drive Wheels 2WD/4WD
Steering Configuration Front steer
Steering System Hydrostatic power
Brakes Type Differential mechanical wet disc
Front Tire Size (2WD) 6.0x16
Rear Tire Size (2WD) 14.9x28
Front Tire Size (4WD) 8.3x24
Rear Tire Size (4WD) 14.9x28
Front Track Width (2WD), in (mm) 55.9-79.5 (1410-2010)
Front Track Width (4WD), in (mm) 55.9-63.8 (1410-1620)
Rear Track Width, in (mm) 55.9-79.5 (1410-2010)

Hydraulic System
Hydraulic System Type Open center
Implement Pump Flow, gpm (Lpm) 9.3 (35.0)
Hydraulic Fluid Capacity, gal (L) 12.7 (48.1)
Hydraulic Pressure, Bar (psi) 181 (2630)
Number of Standard Remote Valves 1/2
3-Point Hitch Category 1/2
Standard Lift Capacity 24" (600mm) behind pin, lb (kg) 3305 (1500)
Standard Lift Capacity at lift pin, lb (kg) 3970 (1800)

Dimensions and Weight
Wheelbase (2WD), in (mm) 80.9 (2050)
Wheelbase (4WD), in (mm) 82.3 (2090)
Length, in (mm) 144.3 (3660)
Height (Steering Wheel), in (mm) 65 (1650)
Height (Exhaust), in (mm) 89.4 (2270)
Overall Width, in (mm) 70.9 (1800)
Ground Clearance, in (mm) 17.7 (440)
Weight (2WD), lb (kg) 4760 (2160)
Weight (4WD), lb (kg) 5450 (2475)
Weight (Operating), lb (kg) 5800 (2630)
Weight (Ballasted), lb (kg) 8195 (3715)



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