Introduction
Kubota M4950 Utility Tractor
The Kubota M4950 is a utility tractor manufactured in Japan between 1983 and 1993. Designed for versatility in agricultural and landscaping operations, it belongs to the M5950 series and offers a reliable mechanical configuration for daily field tasks.
Engine and Performance
The tractor is powered by the Kubota S2800-A, a 2.8-liter, 6-cylinder liquid-cooled diesel engine. It delivers a net power output of 51 hp (38.0 kW) at a rated speed of 2600 RPM. The engine features a 21:1 compression ratio and utilizes a single paper element air cleaner to ensure operational longevity.
Transmission and Drivetrain
Equipped with a fully synchronized transmission, the M4950 provides 12 forward and 4 reverse gears, organized into four ranges with three gears each. Power is transferred via a dry dual 11.2-inch plate clutch. The tractor is available in either two-wheel or four-wheel drive configurations, featuring a mechanical rear differential lock and power steering for improved maneuverability.
Hydraulics and PTO
The hydraulic system utilizes an open-center design with a total flow capacity of 9.25 gpm (35.0 lpm) and an operating pressure of 2630 psi (181.3 bar). It supports up to two valves for implement control. The independent rear PTO operates at 540 RPM, achieved at an engine speed of 2194 RPM, ensuring consistent power delivery to attachments.
Hitch and Capacity
The rear hitch is a category II/I type, designed to handle a variety of implements. It offers a lift capacity of 3968 lbs (1799 kg) at the link ends, and 3307 lbs (1500 kg) at 24 inches behind the lift point, making it suitable for standard utility chores.
Conclusion
The Kubota M4950 is a robust utility tractor suited for farmers and collectors seeking a durable, mechanical-focused machine. Its combination of a 6-cylinder engine, synchronized transmission, and significant lift capacity makes it a practical solution for general agricultural work and heavy-duty field maintenance.
Production Information of Kubota, M4950
- Utility tractor
- Built in Japan
| Manufacturer | Kubota |
|---|
Dimension and Tires Information of Kubota, M4950
| Rear tread | 55.9 to 79.5 inches [141 to 201 cm] |
|---|---|
| 2WD Wheelbase | 80.9 inches [205 cm] |
| Height (steering wheel) | 65 inches [165 cm] |
| Width | 70.9 inches [180 cm] |
| 4WD Wheelbase | 82.3 inches [209 cm] |
| 4WD Clearance (front axle) | 14 inches [35 cm] |
| Height (exhaust) | 89.4 inches [227 cm] |
| Length | 144.3 inches [366 cm] |
| 4WD Front tread | 55.9 to 63.8 inches [141 to 162 cm] |
| 2WD Front tread | 55.9 to 79.5 inches [141 to 201 cm] |
| 2WD Clearance (front axle) | 17.7 inches [44 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 |
Engine Specifications of Kubota, M4950
- Kubota S2800-A
- Liquid-cooled
- Diesel
- 6-cylinder
| Starter volts | 12 |
|---|---|
| Displacement | 170.3 ci [2.8 L] |
| Air cleaner | Single paper element |
| Bore/Stroke | 3.35x3.23 inches [85 x 82 mm] |
| Coolant capacity | 8.7 qts [8.2 L] |
| Oil capacity | 14.5 qts [13.7 L] |
| Rated RPM | 2600 |
| Compression | 21:1 |
| Power (net) | 51 hp [38.0 kW] |
Transmission Information of Kubota, M4950
Transmission variants 1
- Three gears (1-3) plus reverse in four ranges (A-D). Shifts between gears are synchronized.
| Type | Fully synchronized |
|---|---|
| Oil capacity | 50.8 qts [48.1 L] |
| Gears | 12 forward and 4 reverse |
| Clutch | Dry dual 11.2-inch plate |
Mechanical Specs of Kubota, M4950
- Two- or four-wheel drive
- Four-post ROPS. Cab optional with air-conditioning.
- Differential mechanical wet disc brakes
- Power steering
| Differential lock | Mechanical rear |
|---|
Power Information of Kubota, M4950
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 540 |
| Engine RPM | 540@2194 |
Hydraulics Specifications of Kubota, M4950
| Type | Open center |
|---|---|
| Total flow | 9.25 gpm [35.0 lpm] |
| Valves | 1 or 2 |
| Capacity | 12.7 gal [48.1 L] |
| Pressure | 2630 psi [181.3 bar] |
Three-Point Hitch of Kubota, M4950
| Rear Type | II/I |
|---|---|
| Rear lift (at ends) | 3968 lbs [1799 kg] |
| Rear lift (at 24"/610mm) | 3307 lbs [1500 kg] |
Electrical System of Kubota, M4950
| Charging system | Alternator |
|---|---|
| Battery AH | 300 |
| Charging amps | 65 (with cab) |
| Battery volts | 12 |
Where it sits
With 51 HP, the Kubota M4950 sits just below M5950 (61 HP) in Kubota's range. Its power puts it in the 35th percentile of 1980s models in our database (2052 machines).
Frequently asked questions
How much horsepower does the Kubota M4950 have?
The Kubota M4950 delivers 51 HP.
What years was the Kubota M4950 produced?
The Kubota M4950 was produced in 1983-1993.
What engine does the Kubota M4950 have?
The Kubota M4950 is powered by a Diesel, 6-cylinder engine.
What transmission does the Kubota M4950 use?
The Kubota M4950 uses a Fully synchronized transmission.
Is the Kubota M4950 4WD?
The Kubota M4950 is available in 2WD/4WD.