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Kubota M4030

Kubota M4030 tractor
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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.
Kubota M4030tractorutility tractor48 hpdiesel engine8-speed transmission2WD4WDhydraulic systemPTOloader attachments
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 cyl:2.25 inches (5 cm)
Boom rod:1.25 inches (3 cm)
Breakout:3022 lbs (1370 kg)
Rollback:21°
Bucket cyl:2.25 inches (5 cm)
Bucket rod:1.25 inches (3 cm)
Dump angle:40°
Bucket width:72 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 cyl:2.75 inches (6 cm)
Boom rod:1.5 inches (3 cm)
Breakout:3670 lbs (1664 kg)
Rollback:23°
Bucket cyl:2.25 inches (5 cm)
Bucket rod:1.5 inches (3 cm)
Dump angle:38°
Bucket width:72 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