Kubota M8950
The Kubota M8950 is a tractor produced by Kubota. It is equipped with a 261.9 ci 4.3 L engine. The listed engine power is Diesel (net): 96 hp / 71.6 kW. Transmission: 24 forward and 8 reverse. Operating weight: 6953 to 9555 pounds.
Engine Power
Diesel (net): 96 hp / 71.6 kW
Fuel & Capacities
31.7 gal
120.0 L
Transmission
24 forward and 8 reverse
Operating Weight
6953 to 9555 pounds
Overview
 | 1984 - 1993
M50 SeriesUtility tractor
M50 Series
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Kubota |
Utility tractor | |
Built in Japan | |
Variants | |
|---|---|
M8950F | 2WD |
M8950DT | 4WD |
Kubota M8950 Engine | |
|---|---|
Kubota 4.3L 4-cyl diesel | |
Engine details ...  |
Kubota M8950 Transmission | |
|---|---|
24-speed partial power shift | |
Transmission details ...  |
Kubota M8950 Power | |
|---|---|
Engine (net) | 96 hp
71.6 kW |
PTO (claimed) | 85 hp
63.4 kW |
Drawbar (tested) | 68.92 hp
51.4 kW |
PTO (tested) | 85.63 hp
63.9 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Differential lock | mechanical rear |
Power steering | |
Hydraulic wet disc brakes | |
Four-post ROPS. Cab optional with air-conditioning. | |
Capacity | |
|---|---|
Fuel | 31.7 gal
120.0 L |
Hydraulic system | 14.8 gal
56.0 L |
Hydraulics | |
|---|---|
Type | open center |
Capacity | 14.8 gal
56.0 L |
Pressure | 2630 psi
181.3 bar |
Valves | 1 or 2 |
Total flow | 11 gpm
41.6 lpm |
Tractor hitch | |
|---|---|
Rear Type | II |
Rear lift (at ends) | 4848 lbs
2199 kg |
Rear lift (at 24"/610mm) | 4475 lbs
2029 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540/1000 |
Engine RPM | 540@2035 |
1000@2389 | |
Dimensions & Tires | |
|---|---|
2WD Wheelbase | 95.9 inches
243 cm |
4WD Wheelbase | 97.2 inches
246 cm |
Weight | 6953 to 9555 pounds |
Front tire | 10.00-16 |
2WD Rear tire | 18.4-34 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Charging system | alternator |
Charging amps | 65 (with cab) |
Battery volts | 12 |
Battery AH | 300 |
References | |
|---|---|
 | |
Front Loaders published in 1988, by Kubota | |
Front Loaders B, L and M-Series published in 1994, by Kubota* | |
Product Catalog published in 1990, by Kubota | |
M-Series published in 1985, by Kubota | |
*Publication contains known errors. |
Engine
Engine Detail — 261.9 ci / 4.3 L Diesel
Manufacturer | Kubota V4300 |
Configuration | turbocharged diesel, 4-cylinder, liquid-cooled |
Displacement | 261.9 ci
4.3 L |
Bore/Stroke | 4.29x4.53 inches
109 x 115 mm |
Power (net) | 96 hp
71.6 kW |
Air cleaner | dual paper elements |
Compression | 17:1 |
Rated RPM | 2400 |
Starter volts | 12 |
Oil capacity | 16.4 qts
15.5 L |
Coolant capacity | 15.6 qts
14.8 L |
Transmission
Transmission — 24 forward and 8 reverse partial power shift
Type | partial power shift |
Gears | 24 forward and 8 reverse |
Oil capacity | 59.2 qts
56.0 L |
Four gears (1-4) in three ranges (A-C, plus reverse) with high-low power shift. Synchronized shifting within range. | |
With 18.4-34 rear tires. | |
 | |
Dimensions
Kubota M8950 Tires | |
|---|---|
2WD Standard tires (ag) | Front: 10.00-16. Rear: 18.4-34 |
4WD Standard tires (ag) | Front: 12.4-24. Rear: 18.4-34 |
Dimensions | |
|---|---|
2WD Wheelbase | 95.9 inches
243 cm |
4WD Wheelbase | 97.2 inches
246 cm |
2WD Length | 158.2 inches
401 cm |
4WD Length | 160.2 inches
406 cm |
Width | 79.5 inches
201 cm |
2WD Clearance (front axle) | 21.9 inches
55 cm |
4WD Clearance (front axle) | 16.5 inches
41 cm |
2WD Front tread | 59.8 to 79.5 inches
151 to 201 cm |
4WD Front tread | 60.6 to 68.5 inches
153 to 173 cm |
Rear tread | 59.8 to 79.5 inches
151 to 201 cm |
Kubota M8950 Weight | |
|---|---|
2WD Shipping | 6953 lbs
3153 kg |
4WD Shipping | 7726 lbs
3504 kg |
Operating | 9555 lbs (4WD cab)
4334 kg |
Ballasted | 12270 lbs
5565 kg |
Kubota M8950 Height | |
|---|---|
2WD Steering wheel | 74 inches
187 cm |
4WD Steering wheel | 74.8 inches
189 cm |
2WD Exhaust | 101.6 inches
258 cm |
4WD Exhaust | 102.4 inches
260 cm |
Tests
Nebraska Tractor Test 1557 | |
|---|---|
Diesel 24-speed 4WD
March 26 - April 8, 1985
Link: Nebraska Tractor Test 1557 file | |
PTO performance | |
Power at rated engine speed | 85.63 hp
63.9 kW |
Fuel use | 5.3 gal/hour
20.1 l/hour |
Drawbar performance | |
Max power | 68.92 hp
51.4 kW |
Fuel use | 5.2 gal/hour
19.7 l/hour |
Max pull | 10,364 lbs
4701 kg |
Photos
Kubota M8950 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Kubota M8950 based on its 96 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 4 to 5 Bottom (16-18")4 - 5 铧 (40-45 cm) | Heavy Duty | Heavy primary tillage; semi-mounted hitch recommended. |
Rotary Cutter / MowerMowing & Clearing | 10 to 12 ft Flex-Wing3.0 - 3.6 m 折叠双翼 | Heavy Duty | Wide swath pasture and crop residue shredding. |
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 | 5x6 Round Baler or 3x3 Mid Square1.5x1.8 m 大圆捆或中型方捆机 | Heavy Duty | High density baling; requires minimum 85 PTO HP. |
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 M8950.
Estimated Continuous Field Runtime: 6.4 hrs
Approximately 6.4 hours of continuous field operation at ~75% rated power on a full tank (31.7 gal / 120 L).
Estimated 75% Load Fuel Burn~5 gal/hr (18.9 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 M8950 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Kubota M8950.
Converted Equivalents:
Horsepower (HP)96 hp
Kilowatts (kW)71.6 kW
Metric Horsepower (PS / CV)97.3 PS
Direct Competitor Comparison
Compare Kubota M8950 against same-era industry alternatives in the same horsepower class.
Current Model
Kubota
Kubota M8950
Engine Power:Diesel (net): 96 hp / 71.6 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 844-S
Engine Power:87
Production Years:1975 - 1989
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