Introduction
Kubota M4030 Utility Tractor
The Kubota M4030 is a utility tractor manufactured in Japan between 1986 and 1989. Designed for general agricultural tasks, this model provides a balance of power and maneuverability, available in both two-wheel and four-wheel drive configurations.
Engine and Performance
The tractor is powered by the Kubota S2602 diesel engine, a 6-cylinder liquid-cooled unit with a 2.6-liter displacement. It generates 48 hp (35.8 kW) at a rated speed of 2600 RPM. The engine utilizes a dual dry element air cleaner and operates with a 19:1 compression ratio, providing consistent performance for standard field applications.
Transmission and Drivetrain
The M4030 features a transmission system providing 8 forward and 2 reverse gears. It is equipped with a standard differential lock and power steering, which assists in handling the machine across various terrain types. Braking is managed by mechanical wet disc brakes.
Hydraulics and PTO
The hydraulic system is an open-center design with a total flow of 11 gpm (41.6 lpm) at a pressure of 2630 psi. The rear independent PTO operates at 540 RPM at an engine speed of 2194 RPM. The rear hitch, compatible with Category II/I implements, offers a lift capacity of 3,968 lbs (1799 kg) at the ends.
Dimensions and Chassis
The tractor is built with a two-post ROPS for operator safety. The 2WD model features a 78.7-inch wheelbase, while the 4WD version has a slightly longer 79.1-inch wheelbase. The vehicle width is 72.8 inches, and it offers ground clearance ranging from 15.9 inches on 4WD models to 18.9 inches on 2WD versions, depending on the configuration.
Conclusion
The Kubota M4030 is a durable utility tractor suitable for small to mid-sized farming operations. Its mechanical simplicity, combined with a versatile hydraulic system and lift capacity, makes it a reliable choice for secondary field tasks and general maintenance work.
Production Information of Kubota, M4030
- Utility tractor
- Built in Japan
| Manufacturer | Kubota |
|---|
Dimension and Tires Information of Kubota, M4030
| 2WD Wheelbase | 78.7 inches [199 cm] |
|---|---|
| Width | 72.8 inches [184 cm] |
| Width(optional) | 137 inches (4WD) [347 cm] |
| 4WD Wheelbase | 79.1 inches [200 cm] |
| Ground clearance | 18.9 inches (2WD) [48 cm] |
| Ground clearance(optional) | 74.2 inches (2WD Low Profile) [188 cm] |
| Length | 135 inches (2WD) [342 cm] |
| Rear tread | 59.3 to 74.8 inches [150 to 189 cm] |
| Front tread | 55.1 to 78.7 inches [139 to 199 cm] |
| Front tread(optional) | 15 inches (2WD Low Profile) [38 cm] |
| Front tread(optional) | 15.9 inches (4WD) [40 cm] |
| Front tread(optional) | 72.8 inches (4WD Low Profile) [184 cm] |
| Standard tires (ag) | Front: 6.00-16. Rear: 13.6-28 (2WD) |
|---|---|
| Optional tires (ag) | Front: 6.00-16. Rear: 14.9-28 (2WD) |
| Optional tires (ag)(optional) | Front: 9.5-16. Rear: 13.6-24 (4WD Low Profile) |
| Optional tires (ag)(optional) | Front: 9.5-20. Rear: 13.6-28 (4WD) |
| Optional tires (ag)(optional) | Front: 9.5-22. Rear: 14.9-28 (4WD) |
| Optional tires (ag)(optional) | Front: 6.50-16. Rear: 14.9-24 (2WD Low Profile) |
Engine Specifications of Kubota, M4030
- Kubota S2602
- Liquid-cooled
- Diesel
- 6-cylinder
| Starter volts | 12 |
|---|---|
| Displacement | 158.5 ci [2.6 L] |
| Air cleaner | Dual dry element |
| Bore/Stroke | 3.23x3.23 inches [82 x 82 mm] |
| Coolant capacity | 8.7 qts [8.2 L] |
| Oil capacity | 15.6 qts [14.8 L] |
| Rated RPM | 2600 |
| Compression | 19:1 |
| Power | 48 hp [35.8 kW] |
Transmission Information of Kubota, M4030
Transmission variants 1
| Gears | 8 forward and 2 reverse |
|---|---|
| Oil capacity | 50.7 qts (2WD) [48.0 L] |
| Oil capacity(optional) | 59.7 qts (4WD) [56.5 L] |
Mechanical Specs of Kubota, M4030
- Two- or four-wheel drive
- Two-post ROPS.
- Differential mechanical wet disc brakes
- Power steering
| Differential lock | Standard |
|---|
Power Information of Kubota, M4030
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 540 |
| Engine RPM | 540@2194 |
Hydraulics Specifications of Kubota, M4030
| Type | Open center |
|---|---|
| Valves | 1 |
| Pressure | 2630 psi [181.3 bar] |
| Capacity | 12.7 gal (2WD) [48.1 L] |
| Total flow | 11 gpm [41.6 lpm] |
| Total flow(optional) | 14.9 gal (4WD) [56.4 L] |
Three-Point Hitch of Kubota, M4030
| Rear Type | II/I |
|---|---|
| Rear lift (at ends) | 3,968 lbs [1799 kg] |
| Rear lift (at 24"/610mm) | 3,307 lbs [1500 kg] |
Where it sits
With 48 HP, the Kubota M4030 sits just below M5030 (54 HP) in Kubota's range. Its power puts it in the 33th percentile of 1980s models in our database (2052 machines).
Frequently asked questions
How much horsepower does the Kubota M4030 have?
The Kubota M4030 delivers 48 HP.
What years was the Kubota M4030 produced?
The Kubota M4030 was produced in 1986-1989.
What engine does the Kubota M4030 have?
The Kubota M4030 is powered by a Diesel, 6-cylinder engine.
Is the Kubota M4030 4WD?
The Kubota M4030 is available in 2WD/4WD.