Kubota M120
The Kubota M120 is a tractor produced by Kubota. It is equipped with a 356 ci 5.8 L engine. The listed engine power is Diesel (listed): 120 hp / 89.5 kW. Transmission: 24 forward and reverse. Operating weight: 9040 to 9700 pounds.
Engine Power
Diesel (listed): 120 hp / 89.5 kW
Fuel & Capacities
52.8 gal
199.8 L
Transmission
24 forward and reverse
Operating Weight
9040 to 9700 pounds
Overview
 | 1998 - 2004
M SeriesUtility tractor
M Series
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Kubota |
Utility tractor | |
During official testing, the Kubota M120DT failed to meet claimed hydraulic flow and three-point lift, with the basic hitch lifting 3,280 pounds (instead of 5,200). | |
Variants | |
|---|---|
M120DT | 4WD |
Kubota M120 Engine | |
|---|---|
Kubota 5.8L 5-cyl diesel | |
Engine details ...  |
Kubota M120 Power | |
|---|---|
Engine | 120 hp
89.5 kW |
PTO (claimed) | 98 hp
73.1 kW |
Drawbar (tested) | 89.3 hp
66.6 kW |
PTO (tested) | 103.1 hp
76.9 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Differential lock | electro-hydraulic front and rear |
Power steering | |
Differential hydraulic wet discs brakes | |
Cab standard with air-conditioning. | |
Capacity | |
|---|---|
Fuel | 52.8 gal
199.8 L |
Hydraulic system | 15.25 gal
57.7 L |
Hydraulics | |
|---|---|
Type | open center |
Capacity | 15.25 gal
57.7 L |
Valves | 2 |
Pump flow | 20.6 gpm
78.0 lpm |
Tractor hitch | |
|---|---|
Rear Type | II |
Rear lift | 5200 lbs
2358 kg |
6570 lbs (external cylinder)
2980 kg | |
7940 lbs (dual cylinder)
3601 kg | |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Clutch | hydraulic wet disc |
Rear PTO Type | 540/1000 (1.375) |
Engine RPM | 540@2035 |
1000@2210 | |
Dimensions & Tires | |
|---|---|
2WD Wheelbase | 103.7 inches
263 cm |
4WD Wheelbase | 105.9 inches
268 cm |
Weight | 9040 to 9700 pounds |
Front tire | 11.00-16 |
2WD Rear tire | 18.4R-38 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
 | |
1999 Products published by Kubota | |
Americans on Kubota published in 2000 | |
M-110/M-120 published in 1998, by Kubota | |
Product Guide: M-Series Advanced Tractors published in 1998, by Kubota | |
Product Guide: M-110 & M-120 published in 1999, by Kubota |
Engine
Engine Detail — 356 ci / 5.8 L Diesel
Manufacturer | Kubota F5802 |
Configuration | turbocharged diesel, 5-cylinder, liquid-cooled |
Displacement | 356 ci
5.8 L |
Bore/Stroke | 4.291x4.922 inches
109 x 125 mm |
Power | 120 hp
89.5 kW |
Fuel system | direct injection |
Air cleaner | dual paper elements |
Rated RPM | 2400 |
Torque | 340 lb-ft
461.0 Nm |
Torque RPM | 1300 |
Starter volts | 12 |
Coolant capacity | 14.4 qts
13.6 L |
Transmission
Transmission options | |
|---|---|
16-speed eight-speed power shift | |
24-speed creeper |
Transmission — 16 forward and reverse eight-speed power shift
Type | eight-speed power shift |
Gears | 16 forward and reverse |
Clutch | electro-hydraulic wet disc |
Eight-speed push-button power shift with two ranges (low/high). Push-button clutch button for range shifts. Electro-hydraulic power shuttle. | |
With 18.4-38 rear tires. | |
 | |
Transmission | |
Type | creeper |
Gears | 24 forward and reverse |
Dimensions
Kubota M120 Tires | |
|---|---|
2WD Standard tires (ag) | Front: 11.00-16. Rear: 18.4R-38 |
4WD Standard tires (ag) | Front: 14.9-24. Rear: 18.4R-38 |
Dimensions | |
|---|---|
2WD Wheelbase | 103.7 inches
263 cm |
4WD Wheelbase | 105.9 inches
268 cm |
Length | 171.9 inches
436 cm |
Width | 86.4 inches
219 cm |
Height (cab) | 107.3 inches
272 cm |
Clearance (front axle) | 24.2 inches
61 cm |
Kubota M120 Weight | |
|---|---|
2WD | 9040 lbs
4100 kg |
4WD | 9700 lbs
4399 kg |
Ballasted | 12985 lbs
5889 kg |
Tests
OCED Tractor Test 1841 | |
|---|---|
Diesel 16-speed 4WD
May 1 - 31, 1999
Link: OCED Tractor Test 1841 file | |
PTO performance | |
Max power | 103.1 hp
76.9 kW |
Fuel use | 6.2 gal/hour
23.5 l/hour |
Power at rated engine speed | 100.3 hp
74.8 kW |
Fuel use | 6.4 gal/hour
24.2 l/hour |
Power at rated PTO speed | 102.3 hp
76.3 kW |
Fuel use | 6.1 gal/hour
23.1 l/hour |
Drawbar performance | |
Max power | 89.3 hp
66.6 kW |
Fuel use | 6.1 gal/hour
23.1 l/hour |
Gear 2H used for power test. | |
Max pull | 12,565 lbs
5699 kg |
Gear 3L used for pull test. | |
Attachments
Attachment overview | |
|---|---|
Kubota LA1301 loader | |
Kubota LA1601 loader |
Photos
Kubota M120
Recommended Implements & Sizing Guide
Engineering recommendations for Kubota M120 based on its 120 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 | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 15 to 22 ft Folding Disc4.5 - 6.7 m 折叠式圆盘耙 | Commercial / Field Scale | Wide commercial field leveling; requires hydraulic remotes. |
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 M120.
Estimated Continuous Field Runtime: 8.5 hrs
Approximately 8.5 hours of continuous field operation at ~75% rated power on a full tank (52.8 gal / 199.9 L).
Estimated 75% Load Fuel Burn~6.2 gal/hr (23.6 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 M120 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Kubota M120.
Converted Equivalents:
Horsepower (HP)120 hp
Kilowatts (kW)89.5 kW
Metric Horsepower (PS / CV)121.7 PS
Direct Competitor Comparison
Compare Kubota M120 against same-era industry alternatives in the same horsepower class.
Current Model
Kubota
Kubota M120
Engine Power:Diesel (listed): 120 hp / 89.5 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 1046
Engine Power:108.5
Production Years:1971 - 1978
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