Yanmar YM240
The Yanmar YM240 is a tractor produced by Yanmar. It is equipped with a 69.87 ci 1.1 L engine. The listed engine power is Diesel (listed): 24 hp / 17.9 kW. Transmission: 8 forward and 2 reverse. Operating weight: 1698 to 1931 pounds.
Engine Power
Diesel (listed): 24 hp / 17.9 kW
Fuel & Capacities
5.8 gal
22.0 L
Transmission
8 forward and 2 reverse
Operating Weight
1698 to 1931 pounds
Overview
 | 1977 - 1981
Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Yanmar |
Compact Utility tractor | |
Built in Japan | |
Original price was $6,000 in 1981 | |
Variants | |
|---|---|
YM240 | 2WD |
YM240D | 4WD |
Yanmar YM240 Engine | |
|---|---|
Yanmar 1.1L 2-cyl diesel | |
Fuel tank | 5.8 gal
22.0 L |
Engine details ...  | |
Yanmar YM240 Transmission | |
|---|---|
8-speed gear | |
Transmission details ...  |
Yanmar YM240 Power | |
|---|---|
Engine | 24 hp
17.9 kW |
Drawbar (claimed) | 16.5 hp
12.3 kW |
PTO (claimed) | 19.8 hp
14.8 kW |
Drawbar (tested) | 16.54 hp
12.3 kW |
PTO (tested) | 19.76 hp
14.7 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Manual steering | |
Mechanical internal expansion brakes | |
Open operator station. |
Hydraulics | |
|---|---|
Type | open center |
Pressure | 2204 psi
152.0 bar |
Tractor hitch | |
|---|---|
Rear Type | I |
Power Take-off (PTO) | |
|---|---|
Rear PTO | transmission |
Clutch | overrunning |
Rear PTO Type | 540/1000 |
Engine RPM | 540@2200 |
1000@2200 | |
Front PTO | optional |
Dimensions & Tires | |
|---|---|
2WD Wheelbase | 58.7 inches
149 cm |
4WD Wheelbase | 61.6 inches
156 cm |
Weight | 1698 to 1931 pounds |
Front tire | 4.00-15 |
Rear tire | 9.5-24 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | generator |
Battery volts | 12 |
References | |
|---|---|
 | |
Model YM240 published in 1976, by Yanmar | |
Model YM240 published in 1977, by Yanmar |
Engine
Engine Detail — 69.87 ci / 1.1 L Diesel
Manufacturer | Yanmar 2TR20AX |
Fuel Type | Diesel |
Configuration | 2-cylinder, liquid-cooled |
Displacement | 69.87 ci
1.1 L |
Bore/Stroke | 3.543x3.543 inches
90 x 90 mm |
Power | 24 hp
17.9 kW |
Compression | 20:1 |
Rated RPM | 2400 |
Torque | 46.9 lb-ft
63.6 Nm |
Torque RPM | 1800 |
Starter volts | 12 |
Yanmar YM240 Engine | |
|---|---|
 |
Transmission
Transmission — 8 forward and 2 reverse gear
Type | gear |
Gears | 8 forward and 2 reverse |
Clutch | dry disc |
Four gears, plus reverse, in two ranges. Tractor must be stopped, and clutch used, to shift gears or range. | |
 | |
Dimensions
Yanmar YM240 Tires | |
|---|---|
Ag front | 4.00-15 (2WD) |
6.00-14 (4WD) | |
Ag rear | 9.5-24 (2WD) |
11.2-24 (4WD) | |
Ag front | 5.00-15 |
Ag rear | 11.2-24 |
Lawn/turf front | 20x8.00-10 (2WD) |
27/8.50-15 (4WD) | |
Lawn/turf rear | 13.6-16 (2WD) |
11.2-24 (4WD) | |
Dimensions | |
|---|---|
2WD Wheelbase | 58.7 inches
149 cm |
4WD Wheelbase | 61.6 inches
156 cm |
Length | 111.2 inches
282 cm |
Width | 48.8 inches
123 cm |
2WD Weight | 1698 lbs
770 kg |
4WD Weight | 1931 lbs
875 kg |
Front tread | 33.1 inches
84 cm |
Rear tread | 39.4 inches
100 cm |
Yanmar YM240 Height | |
|---|---|
2WD Steering wheel | 53.9 inches
136 cm |
4WD Steering wheel | 54.3 inches
137 cm |
2WD Exhaust | 72.4 inches
183 cm |
4WD Exhaust | 73.3 inches
186 cm |
Tests
Nebraska Tractor Test 1199 | |
|---|---|
Diesel 8-speed 2WD
November 24, 1975 - January 5, 1976
Link: Nebraska Tractor Test 1199 file | |
PTO performance | |
Power at rated engine speed | 19.76 hp
14.7 kW |
Fuel use | 1.3 gal/hour
4.9 l/hour |
Power at rated PTO speed | 18.75 hp
14.0 kW |
Fuel use | 1.2 gal/hour
4.5 l/hour |
Drawbar performance | |
Max power | 16.54 hp
12.3 kW |
Fuel use | 1.3 gal/hour
4.9 l/hour |
Gear 3-H used for power test. | |
Max pull | 2,343 lbs
1062 kg |
Gear 1-H used for pull test. | |
Photos
Yanmar TM240D with front-end loader.
Yanmar YM240D.
Yanmar TM240D dashboard.
Recommended Implements & Sizing Guide
Engineering recommendations for Yanmar YM240 based on its 24 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 1 to 2 Bottom (12")1 - 2 铧 (30 cm) | Light Duty | Ideal for garden plots and light sandy soil. |
Rotary Cutter / MowerMowing & Clearing | 4 ft (48 in)1.2 m | Light Duty | Pasture clipping and light brush under 1" diameter. |
Rotary TillerSeedbed Prep | 42 to 48 in105 - 120 cm | Light Duty | Covers compact tractor tire width. |
Disc HarrowSecondary Tillage | 5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片) | Light Duty | Small acreage soil break-up and secondary aeration. |
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 Yanmar YM240.
Estimated Continuous Field Runtime: 4.6 hrs
Approximately 4.6 hours of continuous field operation at ~75% rated power on a full tank (5.8 gal / 22 L).
Estimated 75% Load Fuel Burn~1.2 gal/hr (4.7 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
Yanmar YM240 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Yanmar YM240.
Converted Equivalents:
Horsepower (HP)24 hp
Kilowatts (kW)17.9 kW
Metric Horsepower (PS / CV)24.3 PS
Direct Competitor Comparison
Compare Yanmar YM240 against same-era industry alternatives in the same horsepower class.
Current Model
Yanmar
Yanmar YM240
Engine Power:Diesel (listed): 24 hp / 17.9 kW
★ Baseline Reference
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