Kubota

Kubota M4950

The Kubota M4950 is a utility farm tractor produced from 1983 to 1993 as part of the M50 Series. It features a 2.8L 6-cylinder liquid-cooled diesel engine producing 51 hp net, with a 12-speed fully synchronized transmission. Available in 2WD and 4WD variants, it offers mechanical rear differential lock, power steering, and optional cab with air-conditioning. The tractor has a rear PTO with 540 rpm and a hydraulic system with open center type and 12.7 gal capacity. It supports a rear hitch type II/I with a lift capacity up to 3968 lbs at ends. The M4950 can be equipped with the M1840A front-end loader with various bucket widths. It is built in Japan and known for its versatility and reliability in utility tractor applications.

Power51 hp

Founded1983 - 1993

ModelM4950

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Technical Specifications

Detailed specifications and technical data for Kubota M4950

Power

Engine (net)	51 hp (38.0 kW)
PTO (tested)	49.57 hp (37.0 kW)
PTO (claimed)	47 hp (35.0 kW)
Drawbar (tested)	40.25 hp (30.0 kW)

Engine

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

Weight

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

Capacity

Fuel	18.5 gal (70.0 L)
Hydraulic system	12.7 gal (48.1 L)

Electrical

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

Hydraulics

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

Mechanical

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

Production

Type	Utility tractor
Series	M50 Series
Built in	Japan
Variants	M4950F 2WD, M4950DT 4WD
Years made	1983 - 1993

Attachments

Boom rod	1.5 inches (3 cm)
Rollback	20°
Bucket rod	1.5 inches (3 cm)
Dump angle	35°
Boom cylinder	2.5 inches (6 cm)
Bucket widths	60 inches (152 cm), 66 inches (167 cm), 72 inches (182 cm), 83 inches (210 cm)
Breakout force	4400 lbs (1995 kg)
Reach (dumped)	38.1 inches (96 cm)
Reach (ground)	81.4 inches (206 cm)
Bucket cylinder	2.25 inches (5 cm)
Height (at pin)	130 inches (330 cm)
Front-end loader	M1840A Loader
Clearance (dumped)	110.1 inches (279 cm)
Lift capacity (full at pin)	2350 lbs (1065 kg)

Transmission

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

Tractor hitch

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

Dimensions & Tires

Width	70.9 inches (180 cm)
Length	144.3 inches (366 cm)
Rear tread	55.9 to 79.5 inches (141 to 201 cm)
2WD Wheelbase	80.9 inches (205 cm)
4WD Wheelbase	82.3 inches (209 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)
Height (exhaust)	89.4 inches (227 cm)
2WD Standard tires (ag)	Front: 6.00-16. Rear: 14.9-28
4WD Standard tires (ag)	Front: 8.3-24. Rear: 14.9-28
Height (steering wheel)	65 inches (165 cm)
2WD Clearance (front axle)	17.7 inches (44 cm)
4WD Clearance (front axle)	14 inches (35 cm)