Kubota M4050
The Kubota M4050 is a utility tractor produced from 1982 to 1985. It features a 48 hp diesel engine, 8-speed constant mesh transmission, and is available in two- or four-wheel drive. It is built in Japan and offers a range of attachments including the M1830 Loader. The tractor is known for its manual or power assist steering, differential mechanical wet disc brakes, and two-post ROPS for safety.
Power48 hp
Founded1982 - 1985
ModelM4050
Technical Specifications
Detailed specifications and technical data for Kubota M4050
Power
| PTO (tested) | 45.74 hp (34.1 kW) |
|---|---|
| PTO (claimed) | 42 hp (31.3 kW) |
| Engine (gross) | 48 hp (35.8 kW) |
| Drawbar (tested) | 36.20 hp (27.0 kW) |
Engine
| Type | diesel |
|---|---|
| Model | Kubota S2600-AL |
| Cooling | liquid-cooled |
| Cylinders | 6-cylinder |
| Fuel tank | 14.3 gal (54.1 L) |
| Rated RPM | 2600 |
| Bore/Stroke | 3.23x3.23 inches (82 x 82 mm) |
| Compression | 21:1 |
| Displacement | 158.64 ci (2.6 L) |
| Power (gross) | 48 hp (35.8 kW) |
| Starter volts | 12 |
Hydraulics
| Type | open center |
|---|---|
| Valves | 1 |
| Total flow | 9.25 gpm (35.0 lpm) |
Mechanical
| ROPS | two-post ROPS |
|---|---|
| Drive | Two- or four-wheel drive |
| Brakes | Differential mechanical wet disc brakes |
| Steering | manual, power assist (Standard with four-wheel drive, optional with two-wheel drive) |
Production
| Type | Utility tractor |
|---|---|
| Built in | Japan |
| Variants | M4050DT 4WD |
| Years made | 1982 - 1985 |
Attachments
| Dump angle | 44° |
|---|---|
| Loader model | M1830 Loader |
| Bucket widths | 60 inches (152 cm), 66 inches (167 cm), 72 inches (182 cm) |
| Breakout force | 2750 lbs (1247 kg) |
| Reach (dumped) | 27.6 inches (70 cm) |
| Reach (ground) | 73 inches (185 cm) |
| Height (at pin) | 114.2 inches (290 cm) |
| Boom rod diameter | 1.50 inches (3 cm) |
| Clearance (dumped) | 91.5 inches (232 cm) |
| Bucket rod diameter | 1.25 inches (3 cm) |
| Boom cylinder diameter | 2.25 inches (5 cm) |
| Rollback (ground line) | 14° |
| Bucket cylinder diameter | 2.00 inches (5 cm) |
| Lift capacity (full at pin) | 1990 lbs (902 kg) |
Transmission
| Type | constant mesh |
|---|---|
| Gears | 8 forward and 2 reverse |
Tractor hitch
| Rear Type | II/I |
|---|---|
| Rear lift (at ends) | 3,740 lbs (1696 kg) |
Dimensions & Tires
| Width | 72.6 inches (184 cm) |
|---|---|
| 2WD Length | 132.5 inches (336 cm) |
| 4WD Length | 135.6 inches (344 cm) |
| Rear tread | 51 to 75 inches (129 to 190 cm), 59 to 75 inches (149 to 190 cm) With step, 51 to 80 inches (129 to 203 cm) Optional |
| 2WD Wheelbase | 78.1 inches (198 cm) |
| 4WD Wheelbase | 80 inches (203 cm) |
| 2WD Front tread | 56 to 80 inches (142 to 203 cm) |
| 4WD Front tread | 58 inches (147 cm) |
| 2WD Shipping weight | 4,080 lbs (1850 kg) |
| 4WD Shipping weight | 4,600 lbs (2086 kg) |
| 2WD Height (exhaust) | 89.6 inches (227 cm) |
| 4WD Height (exhaust) | 88.2 inches (224 cm) |
| 2WD Standard tires (ag) | Front: 6.00-16. Rear: 13.6-28 |
| 4WD Standard tires (ag) | Front: 8.3-20. Rear: 13.6-28 |
| 2WD Clearance (front axle) | 19 inches (48 cm) |
| 4WD Clearance (front axle) | 11.4 inches (28 cm) |
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Engine RPM | 540@2193 |
| Rear PTO Type | 540 |
