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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 |
| 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) |
| 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 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) |
| 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) |
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| Farm Tractors Technical Specifications |
