Kubota GM56
The Kubota GM56 is a tractor produced by Kubota. It is equipped with a 202.5 ci 3.3 L engine. The listed engine power is Diesel (listed): 55.1 hp / 41.1 kW. Transmission: 24 forward and reverse. Operating weight: 4740 to 5049 pounds.
Engine Power
Diesel (listed): 55.1 hp / 41.1 kW
Fuel & Capacities
15.9 gal
60.2 L
Transmission
24 forward and reverse
Operating Weight
4740 to 5049 pounds
Overview
 | 1998 - 2006
GM SeriesUtility tractor
GM Series
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Kubota |
Utility tractor | |
Kubota GM56 Engine | |
|---|---|
Kubota 3.3L 4-cyl diesel | |
Fuel tank | 15.9 gal
60.2 L |
Engine details ...  | |
Kubota GM56 Transmission | |
|---|---|
24-speed | |
Transmission details ...  |
Kubota GM56 Power | |
|---|---|
Engine | 55.1 hp
41.1 kW |
PTO (claimed) | 51.1 hp
38.1 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Power steering | |
Wet disc brakes | |
Two-post ROPS. Cab optional. |
Hydraulics | |
|---|---|
Pump flow | 11 gpm
41.6 lpm |
Tractor hitch | |
|---|---|
Rear Type | I |
Control | position and draft control |
Rear lift | 3814 lbs
1730 kg |
5004 lbs*With optional lift-assist cylinder.
2269 kg | |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 569/799/1130 (1.375) |
Dimensions & Tires | |
|---|---|
Wheelbase | 82.7 inches
210 cm |
Weight | 4740 to 5049 pounds |
Front tire | 8.3-20 |
Rear tire | 12.4-32 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | electric |
Battery volts | 12 |
Engine
Engine Detail — 202.5 ci / 3.3 L Diesel
Manufacturer | Kubota V3300 |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 202.5 ci
3.3 L |
Bore/Stroke | 3.86x4.33 inches
98 x 110 mm |
Power | 55.1 hp
41.1 kW |
Rated RPM | 2200 |
Starter | negative |
Starter volts | 12 |
Transmission
Transmission — 24 forward and reverse
Gears | 24 forward and reverse |
Eight gears in three ranges with shuttle. | |
 | |
Dimensions
Kubota GM56 Tires | |
|---|---|
Standard tires (ag) | Front: 8.3-20. Rear: 12.4-32 |
Dimensions | |
|---|---|
Wheelbase | 82.7 inches
210 cm |
Length | 143.9 inches
365 cm |
Width | 61.6 inches
156 cm |
Height (ROPS) | 96.9 inches
246 cm |
Height (cab) | 94.9 inches
241 cm |
ROPS Weight | 4740 lbs
2150 kg |
Cab Weight | 5049 lbs
2290 kg |
Ground clearance | 16 inches
40 cm |
Front tread | 48 inches
121 cm |
Rear tread | 48 to 67.7 inches
121 to 171 cm |
Photos
Kubota GM56 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Kubota GM56 based on its 55.1 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 3 to 4 Bottom (16")3 - 4 铧 (40 cm) | Heavy Duty | Suitable for medium loam and stubble turnover. |
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 GM56.
Estimated Continuous Field Runtime: 5.5 hrs
Approximately 5.5 hours of continuous field operation at ~75% rated power on a full tank (15.9 gal / 60.2 L).
Estimated 75% Load Fuel Burn~2.9 gal/hr (10.8 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 GM56 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Kubota GM56.
Converted Equivalents:
Horsepower (HP)55.1 hp
Kilowatts (kW)41.1 kW
Metric Horsepower (PS / CV)55.9 PS
Direct Competitor Comparison
Compare Kubota GM56 against same-era industry alternatives in the same horsepower class.
Current Model
Kubota
Kubota GM56
Engine Power:Diesel (listed): 55.1 hp / 41.1 kW
★ Baseline Reference
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