Kubota M4073
The Kubota M4073 is a tractor produced by Kubota. It is equipped with a 203.3 ci 3.3 L engine. The listed engine power is Diesel (net): 74 hp / 55.2 kW. Transmission: 36 forward and reverse. Operating weight: 5666 to 6702 pounds.
Engine Power
Diesel (net): 74 hp / 55.2 kW
Fuel & Capacities
18.5 gal
70.0 L
Transmission
36 forward and reverse
Operating Weight
5666 to 6702 pounds
Overview
 | 2021 -
M4003 SeriesUtility tractor |
|---|---|
2021 - | |
M4003 Series | |
Utility tractor | |
Production | |
|---|---|
Manufacturer | Kubota |
Utility tractor | |
Kubota M4073 Engine | |
|---|---|
Kubota 3.3L 4-cyl diesel | |
ROPS Fuel tank | 18.5 gal
70.0 L |
Cab Fuel tank | 23.8 gal
90.1 L |
Engine details ...  | |
Kubota M4073 Power | |
|---|---|
Engine (net) | 74 hp
55.2 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Differential lock | mechanical rear |
Hydraulic wet disc brakes | |
Two-post folding ROPS. Cab available with air-conditioning. | |
Hydraulics | |
|---|---|
Valves | 2 or 3 |
Pump flow | 16.6 gpm
62.8 lpm |
Tractor hitch | |
|---|---|
Rear Type | II |
Control | position and draft control |
Rear lift | 5512 lbs
2500 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Clutch | electro-hydraulic |
Rear PTO Type | 540/540E |
540/1000 | |
Dimensions & Tires | |
|---|---|
Wheelbase | 84.1 inches
213 cm |
Weight | 5666 to 6702 pounds |
Front tire | 320/85R20 |
Rear tire | 420/85R30 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
 | |
M4003 Series published in 2021, by Kubota |
Engine
Engine Detail — 203.3 ci / 3.3 L Diesel
Manufacturer | Kubota V3307 |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 203.3 ci
3.3 L |
Bore/Stroke | 3.70x4.70 inches
94 x 119 mm |
Emissions | Stage 5 |
Rated Power (net) | 74 hp
55.2 kW |
Rated RPM | 2400 |
Transmission
Transmission options | |
|---|---|
18-speed power shuttle | |
36-speed two-speed power shift |
Transmission — 18 forward and reverse power shuttle
Type | power shuttle |
Gears | 18 forward and reverse |
Clutch | electro-hydraulic wet disc |
Six synchronized gears in three ranges with power shuttle. | |
Transmission — 36 forward and reverse two-speed power shift
Type | two-speed power shift |
Gears | 36 forward and reverse |
Clutch | electro-hydraulic wet disc |
Six synchronized gears in three ranges with two-speed power shift and power shuttle. | |
Dimensions
Kubota M4073 Tires | |
|---|---|
Standard tires (ag) | Front: 320/85R20. Rear: 420/85R30 |
Dimensions | |
|---|---|
Wheelbase | 84.1 inches
213 cm |
Length | 145.7 inches
370 cm |
Width | 76.8 inches*Minimum width with cab.
195 cm |
Height (Folded ROPS) | 82.3 inches
209 cm |
Height (cab) | 101.6 inches
258 cm |
ROPS Weight | 5666 lbs
2570 kg |
Cab Weight | 6702 lbs
3040 kg |
Ground clearance | 16.9 inches
42 cm |
ROPS Front tread | 57.1 to 60.4 inches
145 to 153 cm |
Cab Front tread | 53.7 to 55.7 inches
136 to 141 cm |
ROPS Rear tread | 56.3 to 68.1 inches
143 to 172 cm |
Cab Rear tread | 60.2 to 68.7 inches
152 to 174 cm |
Photos
Kubota M4073 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Kubota M4073 based on its 74 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 M4073.
Estimated Continuous Field Runtime: 4.8 hrs
Approximately 4.8 hours of continuous field operation at ~75% rated power on a full tank (18.5 gal / 70 L).
Estimated 75% Load Fuel Burn~3.8 gal/hr (14.6 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 M4073 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Kubota M4073.
Converted Equivalents:
Horsepower (HP)74 hp
Kilowatts (kW)55.2 kW
Metric Horsepower (PS / CV)75 PS
Direct Competitor Comparison
Compare Kubota M4073 against same-era industry alternatives in the same horsepower class.
Current Model
Kubota
Kubota M4073
Engine Power:Diesel (net): 74 hp / 55.2 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester Mogul 30-60
Engine Power:66.7
Production Years:1912 - 1917
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