Kubota GM73
The Kubota GM73 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): 71.9 hp / 53.6 kW. Transmission: 24 forward and reverse. Operating weight: 4982 to 5390 pounds.
Engine Power
Diesel (listed): 71.9 hp / 53.6 kW
Fuel & Capacities
21.7 gal
82.1 L
Transmission
24 forward and reverse
Operating Weight
4982 to 5390 pounds
Overview
![]() | 1998 - 2006
GM SeriesUtility tractor
GM Series
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Kubota |
Utility tractor | |
Kubota GM73 Engine | |
|---|---|
Kubota 3.3L 4-cyl diesel | |
Fuel tank | 21.7 gal
82.1 L |
Engine details ... | |
Kubota GM73 Transmission | |
|---|---|
24-speed | |
Transmission details ... |
Kubota GM73 Power | |
|---|---|
Engine | 71.9 hp
53.6 kW |
PTO (claimed) | 68.4 hp
51.0 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 | 564/795/1125 (1.375) |
Dimensions & Tires | |
|---|---|
Wheelbase | 84.7 inches
215 cm |
Weight | 4982 to 5390 pounds |
Front tire | 9.5-24 |
Rear tire | 16.9-30 |
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 | 71.9 hp
53.6 kW |
Rated RPM | 2500 |
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 GM73 Tires | |
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Standard tires (ag) | Front: 9.5-24. Rear: 16.9-30 |
Dimensions | |
|---|---|
Wheelbase | 84.7 inches
215 cm |
Length | 143.9 inches
365 cm |
Width | 69.7 inches
177 cm |
Height (ROPS) | 99 inches
251 cm |
Height (cab) | 97.2 inches
246 cm |
ROPS Weight | 4982 lbs
2259 kg |
Cab Weight | 5390 lbs
2444 kg |
Ground clearance | 18.1 inches
45 cm |
Front tread | 47.2 to 59.1 inches
119 to 150 cm |
Rear tread | 52 to 67.7 inches
132 to 171 cm |
Photos
Recommended Implements & Sizing Guide
Engineering recommendations for Kubota GM73 based on its 71.9 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 | 7 to 8 ft (84-96 in)2.1 - 2.4 m | Heavy Duty | Heavy-duty twin spindle cutter for overgrown acreage. |
Rotary TillerSeedbed Prep | 78 to 84 in200 - 215 cm | Heavy Duty | Heavy commercial tiller with multi-speed gearbox. |
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 | 4x4 to 4x5 Round Baler1.2x1.5 m 紧凑圆捆机 | Heavy Duty | Silage and dry hay; 540 RPM PTO with slip-clutch. |
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 GM73.
Estimated Continuous Field Runtime: 5.8 hrs
Approximately 5.8 hours of continuous field operation at ~75% rated power on a full tank (21.7 gal / 82.1 L).
Estimated 75% Load Fuel Burn~3.7 gal/hr (14.2 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 GM73 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Kubota GM73.
Converted Equivalents:
Horsepower (HP)71.9 hp
Kilowatts (kW)53.6 kW
Metric Horsepower (PS / CV)72.9 PS
Direct Competitor Comparison
Compare Kubota GM73 against same-era industry alternatives in the same horsepower class.
Current Model
Kubota
Kubota GM73
Engine Power:Diesel (listed): 71.9 hp / 53.6 kW
★ Baseline Reference
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