Overview
The Kubota M4050 is a Japanese-built utility farm tractor manufactured between 1982 and 1985, available in both two-wheel and four-wheel drive variants. It features a 2.6L 6-cylinder diesel engine and an 8-speed constant mesh transmission with eight forward and two reverse gears. The tractor is equipped with a Category II/I rear hitch and was tested at a maximum drawbar power of 36.20 hp.
Ideal Applications
Tested Power and Fuel Performance:
According to Nebraska Tractor Test 1495, the 4WD model delivered 45.74 hp at the PTO and achieved a maximum pull of 6,070 lbs with a fuel consumption rate of 3.2 gal/hour at maximum power.
Hydraulic and Hitch Specifications:
The open center hydraulic system provides a total flow of 9.25 gpm to support a rear lift capacity of 3,740 lbs at the hitch ends.
Chassis and Mechanical Configuration:
This model is equipped with differential mechanical wet disc brakes, manual steering, and a shipping weight ranging from 4,080 lbs for 2WD to 4,600 lbs for 4WD units.
Production
| Description | Utility tractor / Built in Japan |
|---|---|
| Manufacturer | Kubota |
Engine
| Engine type | Kubota 2.6L 6-cyl diesel |
|---|---|
| Fuel tank | 14.3 gal (54.1 L) |
| Bore/Stroke | 3.23x3.23 inches (82 x 82 mm) |
| Compression | 21:1 |
| Description | Kubota S2600-AL / diesel / 6-cylinder / liquid-cooled |
| Displacement | 158.64 ci (2.6 L) |
| Power (gross) | 48 hp (35.8 kW) |
| Rated RPM | 2600 |
| Starter volts | 12 |
| Drawbar (tested) | 36.20 hp (27.0 kW) |
| Engine (gross) | 48 hp (35.8 kW) |
| PTO (claimed) | 42 hp (31.3 kW) |
| PTO (tested) | 45.74 hp (34.1 kW) |
Transmission
| Gears | 8 forward and 2 reverse |
|---|---|
| Transmission type | 8-speed constant mesh |
| Type | constant mesh |
Mechanical
| Description | Differential mechanical wet disc brakes / two-post ROPS. |
|---|---|
| Drive type | Two- or four-wheel drive |
| Steering | manual |
Hydraulics
| Total flow | 9.25 gpm (35.0 lpm) |
|---|---|
| Type | open center |
| Valves | 1 |
Hitch
| Rear lift (at ends) | 3,740 lbs (1696 kg) |
|---|---|
| Rear Type | II/I |
PTO
| Engine RPM | 540@2193 |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540 |
Dimensions & Tires
| 2WD Clearance (front axle) | 19 inches (48 cm) |
|---|---|
| 2WD Front tread | 56 to 80 inches (142 to 203 cm) |
| 2WD Height (exhaust) | 89.6 inches (227 cm) |
| 2WD Length | 132.5 inches (336 cm) |
| 2WD Shipping weight | 4,080 lbs (1850 kg) |
| 2WD Wheelbase | 78.1 inches (198 cm) |
| 4WD Clearance (front axle) | 11.4 inches (28 cm) |
| 4WD Front tread | 58 inches (147 cm) |
| 4WD Height (exhaust) | 88.2 inches (224 cm) |
| 4WD Length | 135.6 inches (344 cm) |
| 4WD Shipping weight | 4,600 lbs (2086 kg) |
| 4WD Wheelbase | 80 inches (203 cm) |
| Rear tread | 51 to 75 inches (129 to 190 cm) / 59 to 75 inches *With step (149 to 190 cm) / 51 to 80 inches OptOptional (129 to 203 cm) |
| Width | 72.6 inches (184 cm) |
| 2WD Rear tire | 13.6-28 |
| 2WD Wheelbase | 78.1 inches (198 cm) |
| 4WD Wheelbase | 80 inches (203 cm) |
| Front tire | 6.00-16 |
| Weight | 4080 to 4600 pounds |
| 2WD Standard tires (ag) | Front: 6.00-16. Rear: 13.6-28 |
| 4WD Standard tires (ag) | Front: 8.3-20. Rear: 13.6-28 |
Kubota M4050 attachments
| Description | front-end loader |
|---|
Nebraska Tractor Test 1495
| Description | Diesel 8-speed 4WDSeptember 26 - October 7, 1983Link: Nebraska Tractor Test 1495 file / PTO performance / Drawbar performance |
|---|---|
| Fuel use | 3.2 gal/hour (12.1 l/hour) / 2.8 gal/hour (10.6 l/hour) / 3.0 gal/hour (11.4 l/hour) |
| Max power | 36.20 hp (27.0 kW) |
| Max pull | 6,070 lbs (2753 kg) |
| Power at rated engine speed | 45.74 hp (34.1 kW) |
| Power at rated PTO speed | 42.10 hp (31.4 kW) |
References
| Description | Tractors and Excavators published in 1982, by Kubota / M-Series published in 1985, by Kubota |
|---|
Variants
| M4050DT | 4WD |
|---|