Kubota M4030SU
The Kubota M4030SU is a tractor produced by Kubota. It is equipped with a 148.7 ci 2.4 L engine. The listed engine power is Diesel (gross): 51 hp / 38.0 kW. Transmission: 16 forward and 4 reverse.
Engine Power
Diesel (gross): 51 hp / 38.0 kW
Fuel & Capacities
16.9 gal
64.0 L
Transmission
16 forward and 4 reverse
Overview
![]() | 1988 - 1998
M30 SeriesUtility tractor
M30 Series
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Kubota |
Utility tractor | |
Kubota M4030SU Engine | |
|---|---|
Kubota 2.4L 5-cyl diesel | |
Fuel tank | 16.9 gal
64.0 L |
Engine details ... | |
Kubota M4030SU Power | |
|---|---|
Engine (gross) | 51 hp
38.0 kW |
PTO (claimed) | 42 hp
31.3 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Power steering | |
Mechanical wet disc brakes | |
Two-post ROPS. |
Hydraulics | |
|---|---|
Type | open center |
Tractor hitch | |
|---|---|
Rear Type | I |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540 |
Engine RPM | 540@2194 |
Dimensions & Tires | |
|---|---|
Wheelbase | 78.7 inches
199 cm |
Front tire | 6.00-16 |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
![]() | |
Front Loaders B, L and M-Series published in 1994, by Kubota* | |
M30 Series - Utility-Agri/Low Profile/Narrow/Mudder published in 1991, by Kubota | |
M4030SU Turf Special & L3250F Turf Special published in 1990, by Kubota | |
*Publication contains known errors. |
Engine
Engine Detail — 148.7 ci / 2.4 L Diesel
Manufacturer | Kubota F2402-DI-A |
Fuel Type | Diesel |
Configuration | 5-cylinder, liquid-cooled |
Displacement | 148.7 ci
2.4 L |
Power (gross) | 51 hp
38.0 kW |
Fuel system | direct injection |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission options | |
|---|---|
8-speed | |
16-speed creeper |
Transmission — 8 forward and 2 reverse
Gears | 8 forward and 2 reverse |
Four gears (1-4) in two ranges (low/high). | |
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Transmission | |
Type | creeper |
Gears | 16 forward and 4 reverse |
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Dimensions
Kubota M4030SU Tires | |
|---|---|
Standard tires (ag) | Front: 6.00-16. Rear: |
Optional tires (ag) | Front: 13.6-28. Rear: |
Lawn/turf front | 29x12.50-15 (Turf Special) |
Lawn/turf rear | 21.5-16.1 (Turf Special) |
Dimensions | |
|---|---|
Wheelbase | 78.7 inches
199 cm |
Length | 134.3 inches
341 cm |
Photos
Recommended Implements & Sizing Guide
Engineering recommendations for Kubota M4030SU based on its 51 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm) | Medium Duty | Standard utility farm tillage. |
Rotary Cutter / MowerMowing & Clearing | 6 ft (72 in)1.8 m | Medium Duty | Medium pasture clearing; rear slip-clutch recommended. |
Rotary TillerSeedbed Prep | 66 to 72 in165 - 180 cm | Medium Duty | Standard utility tiller; slip clutch protection required. |
Disc HarrowSecondary Tillage | 7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙 | Medium Duty | Field leveling and clod breaking behind plows. |
Hay BalerHay & Forage | Small Square Baler (14x18")小方捆打捆机 (36x46 cm) | Medium Duty | Classic 2-string baler for horse and small livestock hay. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Kubota M4030SU.
Estimated Continuous Field Runtime: 6.4 hrs
Approximately 6.4 hours of continuous field operation at ~75% rated power on a full tank (16.9 gal / 64 L).
Estimated 75% Load Fuel Burn~2.7 gal/hr (10 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Kubota M4030SU Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Kubota M4030SU.
Converted Equivalents:
Horsepower (HP)51 hp
Kilowatts (kW)38 kW
Metric Horsepower (PS / CV)51.7 PS
Direct Competitor Comparison
Compare Kubota M4030SU against same-era industry alternatives in the same horsepower class.
Current Model
Kubota
Kubota M4030SU
Engine Power:Diesel (gross): 51 hp / 38.0 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 385
Engine Power:46
Production Years:1985 - 1985
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