Kubota M4970
The Kubota M4970 is a tractor produced by Kubota. It is equipped with a 170.3 ci 2.8 L engine. The listed engine power is Diesel (listed): 49.5 hp / 36.9 kW. Transmission: 16 forward and 4 reverse. Operating weight: 5379 lbs 2439 kg.
Engine Power
Diesel (listed): 49.5 hp / 36.9 kW
Fuel & Capacities
18.5 gal
70.0 L
Transmission
16 forward and 4 reverse
Operating Weight
5379 lbs
2439 kg
Overview
 | 1986 - 1988
M70 SeriesUtility tractor
M70 Series
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Kubota |
Utility tractor | |
Kubota M4970 Engine | |
|---|---|
Kubota 2.8L 6-cyl diesel | |
Fuel tank | 18.5 gal
70.0 L |
Engine details ...  | |
Kubota M4970 Transmission | |
|---|---|
16-speed | |
Transmission details ...  |
Kubota M4970 Power | |
|---|---|
Engine | 49.5 hp
36.9 kW |
PTO (claimed) | 47.5 hp
35.4 kW |
Mechanical | |
|---|---|
Four-wheel drive |
Hydraulics | |
|---|---|
Pump flow | 9.25 gpm
35.0 lpm |
Tractor hitch | |
|---|---|
Rear Type | JISII/I |
Rear lift | 4189 lbs
1900 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540/1000 (1.375) |
Engine RPM | 540@2194 |
1000@2530 | |
Dimensions & Tires | |
|---|---|
Wheelbase | 83.1 inches
211 cm |
Weight | 5379 lbs
2439 kg |
Front tire | 8.3-22 |
Rear tire | 12.4-32 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
 | |
Operator's Manual M70 (636830-9971-8) |
Engine
Engine Detail — 170.3 ci / 2.8 L Diesel
Manufacturer | Kubota S2802 |
Fuel Type | Diesel |
Configuration | 6-cylinder, liquid-cooled |
Displacement | 170.3 ci
2.8 L |
Bore/Stroke | 3.35x3.23 inches
85 x 82 mm |
Power | 49.5 hp
36.9 kW |
Rated RPM | 2600 |
Torque | 129 lb-ft
174.9 Nm |
Torque RPM | 1600 |
Starter | electric |
Starter volts | 12 |
Oil capacity | 15.5 qts
14.7 L |
Coolant capacity | 8.7 qts
8.2 L |
Transmission
Transmission — 16 forward and 4 reverse
Gears | 16 forward and 4 reverse |
 | |
Dimensions
Kubota M4970 Tires | |
|---|---|
Standard tires (ag) | Front: 8.3-22. Rear: 12.4-32 |
Dimensions | |
|---|---|
Wheelbase | 83.1 inches
211 cm |
Length | 143.5 inches
364 cm |
Width | 68.9 inches
175 cm |
Height (ROPS) | 95.3 inches
242 cm |
Height (exhaust) | 89.4 inches
227 cm |
Weight | 5379 lbs
2439 kg |
Ground clearance | 14.4 inches
36 cm |
Front tread | 48 to 55.1 inches
121 to 139 cm |
Rear tread | 48 to 75.6 inches
121 to 192 cm |
Recommended Implements & Sizing Guide
Engineering recommendations for Kubota M4970 based on its 49.5 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 M4970.
Estimated Continuous Field Runtime: 7.2 hrs
Approximately 7.2 hours of continuous field operation at ~75% rated power on a full tank (18.5 gal / 70 L).
Estimated 75% Load Fuel Burn~2.6 gal/hr (9.7 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 M4970 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Kubota M4970.
Converted Equivalents:
Horsepower (HP)49.5 hp
Kilowatts (kW)36.9 kW
Metric Horsepower (PS / CV)50.2 PS
Direct Competitor Comparison
Compare Kubota M4970 against same-era industry alternatives in the same horsepower class.
Current Model
Kubota
Kubota M4970
Engine Power:Diesel (listed): 49.5 hp / 36.9 kW
★ Baseline Reference
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