Kubota M1-85
The Kubota M1-85 is a tractor produced by Kubota. It is equipped with a 284.7 ci 4.7 L engine. The listed engine power is Diesel (listed): 85 hp / 63.4 kW. Transmission: 18 forward and reverse. Operating weight: 6570 lbs 2980 kg.
Engine Power
Diesel (listed): 85 hp / 63.4 kW
Fuel & Capacities
27.7 gal
104.8 L
Transmission
18 forward and reverse
Operating Weight
6570 lbs
2980 kg
Overview
 | 1988 - 1998
M1 SeriesUtility tractor
M1 Series
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Kubota |
Utility tractor | |
Kubota M1-85 Engine | |
|---|---|
Kubota 4.7L 4-cyl diesel | |
Fuel tank | 27.7 gal
104.8 L |
Engine details ...  | |
Kubota M1-85 Power | |
|---|---|
Engine | 85 hp
63.4 kW |
PTO (claimed) | 79.9 hp
59.6 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Four-post ROPS. Cab optional. |
Tractor hitch | |
|---|---|
Rear Type | JIS1 |
JIS2 | |
Rear lift | 6173 lbs
2800 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540/1000 (1.375) |
Engine RPM | 540@2035 |
1000@2389 | |
Dimensions & Tires | |
|---|---|
Wheelbase | 90.6 inches
230 cm |
Weight | 6570 lbs
2980 kg |
Front tire | 9.5-24 |
Rear tire | 13.9-36 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
 | |
M1 published in 1991, by Kubota | |
M1 (33760-9971-2) |
Engine
Engine Detail — 284.7 ci / 4.7 L Diesel
Manufacturer | Kubota V4702 |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 284.7 ci
4.7 L |
Bore/Stroke | 4.29x4.92 inches
109 x 125 mm |
Power | 85 hp
63.4 kW |
Rated RPM | 2400 |
Torque | 235.1 lb-ft
318.8 Nm |
Torque RPM | 1200 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission options | |
|---|---|
12-speed | |
18-speed creeper |
Transmission — 12 forward and reverse
Gears | 12 forward and reverse |
Six gears in two ranges with shuttle. | |
Transmission | |
Type | creeper |
Gears | 18 forward and reverse |
Dimensions
Kubota M1-85 Tires | |
|---|---|
Standard tires (ag) | Front: 9.5-24. Rear: 13.9-36 |
Dimensions | |
|---|---|
Wheelbase | 90.6 inches
230 cm |
Length | 152.2 inches
386 cm |
Width | 74.4 inches
188 cm |
Height | 100 inches
254 cm |
Weight | 6570 lbs
2980 kg |
Clearance (rear axle) | 16.5 inches
41 cm |
Front tread | 52 to 59.5 inches
132 to 151 cm |
Rear tread | 52 to 75.6 inches
132 to 192 cm |
Photos
Kubota M1-85 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Kubota M1-85 based on its 85 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 | 10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙 | Heavy Duty | Aggressive residue cutting in corn/cotton stubble. |
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 M1-85.
Estimated Continuous Field Runtime: 6.3 hrs
Approximately 6.3 hours of continuous field operation at ~75% rated power on a full tank (27.7 gal / 104.9 L).
Estimated 75% Load Fuel Burn~4.4 gal/hr (16.7 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 M1-85 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Kubota M1-85.
Converted Equivalents:
Horsepower (HP)85 hp
Kilowatts (kW)63.4 kW
Metric Horsepower (PS / CV)86.2 PS
Direct Competitor Comparison
Compare Kubota M1-85 against same-era industry alternatives in the same horsepower class.
Current Model
Kubota
Kubota M1-85
Engine Power:Diesel (listed): 85 hp / 63.4 kW
★ Baseline Reference
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