Kubota
Kubota M4030
The Kubota M4030 is a utility tractor produced from 1986 to 1989 as part of the M30 Series. It features a 48 hp Kubota S2602 2.6L 6-cylinder liquid-cooled diesel engine, with an 8-speed transmission and options for two- or four-wheel drive. The tractor includes standard features such as differential lock, power steering, mechanical wet disc brakes, and a two-post ROPS. It has a fuel capacity of 16.9 gallons and hydraulic system capacities varying by drive type. The M4030 supports rear PTO with 540 RPM and offers various tire options including low profile variants. Attachments include the Kubota M1000 and M1870A loaders with detailed lift and reach specifications.
Power48 hp
Founded1986 - 1989
ModelM4030
Technical Specifications
Detailed specifications and technical data for Kubota M4030
Power
| Engine | 48 hp (35.8 kW) |
|---|---|
| PTO (tested) | 44.05 hp (32.8 kW) |
| PTO (claimed) | 43 hp (32.1 kW) |
| Drawbar (tested) | 36.53 hp (27.2 kW) |
Engine
| Type | diesel |
|---|---|
| Model | Kubota S2602 |
| Power | 48 hp (35.8 kW) |
| Cooling | liquid-cooled |
| Cylinders | 6-cylinder |
| Rated RPM | 2600 |
| Air cleaner | dual dry element |
| Bore/Stroke | 3.23x3.23 inches (82 x 82 mm) |
| Compression | 19:1 |
| Displacement | 158.5 ci (2.6 L) |
| Oil capacity | 15.6 qts (14.8 L) |
| Starter volts | 12 |
| Coolant capacity | 8.7 qts (8.2 L) |
Capacity
| Fuel | 16.9 gal (64.0 L) |
|---|---|
| Hydraulic system | 12.7 gal (2WD) (48.1 L), 14.9 gal (4WD) (56.4 L) |
Variants
| M4030F | standard |
|---|---|
| M4030L | low profile |
| M4030DT | 4WD |
| M4030SU | special utility |
Hydraulics
| Type | open center |
|---|---|
| Valves | 1 |
| Capacity | 12.7 gal (2WD) (48.1 L), 14.9 gal (4WD) (56.4 L) |
| Pressure | 2630 psi (181.3 bar) |
| Total flow | 11 gpm (41.6 lpm) |
Mechanical
| ROPS | Two-post ROPS |
|---|---|
| Drive | Two- or four-wheel drive |
| Brakes | Differential mechanical wet disc brakes |
| Power steering | yes |
| Differential lock | standard |
Production
| Type | Utility tractor |
|---|---|
| Series | M30 Series |
| Built in | Japan |
| Years made | 1986 - 1989 |
Attachments
| M1000 Loader | Boom cyl2.25 inches (5 cm) Boom rod1.25 inches (3 cm) Breakout3022 lbs (1370 kg) Rollback21° Bucket cyl2.25 inches (5 cm) Bucket rod1.25 inches (3 cm) Dump angle40° Bucket width72 inches (182 cm) Reach (dumped)40.8 inches (103 cm) Reach (ground)68 inches (172 cm) Height (at pin)109.2 inches (277 cm) Clearance (dumped)86.8 inches (220 cm) Lift (full at pin)2127 lbs (964 kg) |
|---|---|
| M1870A Loader | Boom cyl2.75 inches (6 cm) Boom rod1.5 inches (3 cm) Breakout3670 lbs (1664 kg) Rollback23° Bucket cyl2.25 inches (5 cm) Bucket rod1.5 inches (3 cm) Dump angle38° Bucket width72 inches (182 cm) Reach (dumped)32.7 inches (83 cm) Reach (ground)81 inches (205 cm) Height (at pin)129.9 inches (329 cm) Clearance (dumped)110.4 inches (280 cm) Lift (full at pin)2190 lbs (993 kg) |
| Attachment overview | Kubota M1000 loader, Kubota M1870A loader |
Transmission
| Gears | 8 forward and 2 reverse |
|---|---|
| Oil capacity | 50.7 qts (2WD) (48.0 L), 59.7 qts (4WD) (56.5 L) |
Tractor hitch
| Rear Type | II/I |
|---|---|
| Rear lift (at ends) | 3,968 lbs (1799 kg) |
| Rear lift (at 24"/610mm) | 3,307 lbs (1500 kg) |
Dimensions & Tires
| Width | 72.8 inches (184 cm), 74.2 inches (2WD Low Profile) (188 cm), 72.8 inches (4WD Low Profile) (184 cm) |
|---|---|
| Length | 135 inches (2WD) (342 cm), 137 inches (4WD) (347 cm) |
| Weight | 4078 to 4806 pounds |
| 2WD Weight | 4078 lbs (1849 kg) |
| 4WD Weight | 4806 lbs (2180 kg) |
| Rear tread | 59.3 to 74.8 inches (150 to 189 cm) |
| Front tread | 55.1 to 78.7 inches (139 to 199 cm) |
| Hood height | 55.1 inches (139 cm), 51.2 inches (2WD Low Profile) (130 cm), 53.1 inches (4WD Low Profile) (134 cm) |
| 2WD Wheelbase | 78.7 inches (199 cm) |
| 4WD Wheelbase | 79.1 inches (200 cm) |
| Exhaust height | 88.5 inches (224 cm) |
| Ballasted Weight | 7375 lbs (3345 kg) |
| Ground clearance | 18.9 inches (2WD) (48 cm), 15.9 inches (4WD) (40 cm), 15 inches (2WD Low Profile) (38 cm), 14 inches (4WD Low Profile) (35 cm) |
| Optional tires (ag) | Front: 6.00-16. Rear: 14.9-28 (2WD), Front: 9.5-22. Rear: 14.9-28 (4WD), Front: 9.00-10. Rear: 18.4-16 (2WD Low Profile) |
| Standard tires (ag) | Front: 6.00-16. Rear: 13.6-28 (2WD), Front: 9.5-20. Rear: 13.6-28 (4WD), Front: 6.50-16. Rear: 14.9-24 (2WD Low Profile), Front: 9.5-16. Rear: 13.6-24 (4WD Low Profile) |
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Engine RPM | 540@2194 |
| Rear PTO Type | 540 |