Kubota M4950

The Kubota M4950 is a tractor produced by Kubota. It is equipped with a 170.3 ci 2.8 L engine. The rated power output is 51 hp 38.0 kW. Transmission: 12 forward and 4 reverse. Operating weight: 4762 to 5800 pounds.

Overview

	1983 - 1993 M50 SeriesUtility tractor
1983 - 1993
M50 Series
Utility tractor

Production
Manufacturer	Kubota
Utility tractor
Built in Japan

Variants
M4950F	2WD
M4950DT	4WD

Kubota M4950 Engine
Kubota 2.8L 6-cyl diesel
Engine details ...

Kubota M4950 Transmission
12-speed fully synchronized
Transmission details ...

Kubota M4950 Power
Engine (net)	51 hp 38.0 kW
PTO (claimed)	47 hp 35.0 kW
Drawbar (tested)	40.25 hp 30.0 kW
PTO (tested)	49.57 hp 37.0 kW
Performance test details ...

Mechanical
Two- or four-wheel drive
Differential lock	mechanical rear
Power steering
Differential mechanical wet disc brakes
Four-post ROPS. Cab optional with air-conditioning.

Capacity
Fuel	18.5 gal 70.0 L
Hydraulic system	12.7 gal 48.1 L

Hydraulics
Type	open center
Capacity	12.7 gal 48.1 L
Pressure	2630 psi 181.3 bar
Valves	1 or 2
Total flow	9.25 gpm 35.0 lpm

Tractor hitch
Rear Type	II/I
Rear lift (at ends)	3968 lbs 1799 kg
Rear lift (at 24"/610mm)	3307 lbs 1500 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	540
Engine RPM	540@2194

Dimensions & Tires
2WD Wheelbase	80.9 inches 205 cm
4WD Wheelbase	82.3 inches 209 cm
Weight	4762 to 5800 pounds
Front tire	6.00-16
2WD Rear tire	14.9-28
Full dimensions and tires ...

Electrical
Charging system	alternator
Charging amps	65 (with cab)
Battery volts	12
Battery AH	300

References
Front Loaders published in 1988, by Kubota
Front Loaders B, L and M-Series published in 1994, by Kubota*
Product Catalog published in 1990, by Kubota
M-Series published in 1985, by Kubota
*Publication contains known errors.

Engine

Engine Detail — 170.3 ci / 2.8 L Diesel

Manufacturer	Kubota S2800-A
Fuel Type	Diesel
Configuration	6-cylinder, liquid-cooled
Displacement	170.3 ci 2.8 L
Bore/Stroke	3.35x3.23 inches 85 x 82 mm
Power (net)	51 hp 38.0 kW
Air cleaner	single paper element
Compression	21:1
Rated RPM	2600
Starter volts	12
Oil capacity	14.5 qts 13.7 L
Coolant capacity	8.7 qts 8.2 L

Transmission

Transmission — 12 forward and 4 reverse fully synchronized

Type	fully synchronized
Gears	12 forward and 4 reverse
Clutch	dry dual 11.2-inch plate
Oil capacity	50.8 qts 48.1 L
Three gears (1-3) plus reverse in four ranges (A-D). Shifts between gears are synchronized.
With 14.9-28 rear tires.

Dimensions

Kubota M4950 Tires
2WD Standard tires (ag)	Front: 6.00-16. Rear: 14.9-28
4WD Standard tires (ag)	Front: 8.3-24. Rear: 14.9-28

Dimensions
2WD Wheelbase	80.9 inches 205 cm
4WD Wheelbase	82.3 inches 209 cm
Length	144.3 inches 366 cm
Width	70.9 inches 180 cm
Height (steering wheel)	65 inches 165 cm
Height (exhaust)	89.4 inches 227 cm
2WD Clearance (front axle)	17.7 inches 44 cm
4WD Clearance (front axle)	14 inches 35 cm
2WD Front tread	55.9 to 79.5 inches 141 to 201 cm
4WD Front tread	55.9 to 63.8 inches 141 to 162 cm
Rear tread	55.9 to 79.5 inches 141 to 201 cm

Kubota M4950 Weight
2WD Shipping	4762 lbs 2160 kg
4WD Shipping	5452 lbs 2473 kg
Operating	5800 lbs (4WD ROPS) 2630 kg
Ballasted	8195 lbs 3717 kg

Tests

Nebraska Tractor Test 1496
Diesel 12-speed 4WD Link: Nebraska Tractor Test 1496 file
PTO performance
Power at rated engine speed	49.57 hp 37.0 kW
Fuel use	3.6 gal/hour 13.6 l/hour
Power at rated PTO speed	45.47 hp 33.9 kW
Fuel use	3.1 gal/hour 11.7 l/hour
Drawbar performance
Max power	40.25 hp 30.0 kW
Fuel use	3.4 gal/hour 12.9 l/hour
Max pull	6,750 lbs 3061 kg

Photos

Kubota M4950