Yanmar
Yanmar YM240
The Yanmar YM240 is a compact utility tractor produced from 1977 to 1981 by Yanmar in Japan. It features a 24 hp liquid-cooled 2-cylinder diesel engine with a displacement of 1.1 L. The tractor offers two variants: the 2WD YM240 and the 4WD YM240D. It has an 8-speed gear transmission with dry disc clutch and manual steering. The YM240 includes mechanical internal expansion brakes and an open operator station. Hydraulics are open center type with 2204 psi pressure. The rear hitch is type I, and the PTO offers 540/1000 rpm with an overrunning clutch and optional front PTO. Dimensions vary slightly between 2WD and 4WD models, with wheelbases of 58.7 and 61.6 inches respectively, and weights ranging from 1698 to 1931 pounds. Tire options include agricultural and lawn/turf types for both front and rear. Electrical system is 12 volts with a generator charging system and negative ground.
Power-
Founded-
ModelYM240
Technical Specifications
Detailed specifications and technical data for Yanmar YM240
Power
| Engine | 24 hp (17.9 kW) |
|---|---|
| PTO (tested) | 19.76 hp (14.7 kW) |
| PTO (claimed) | 19.8 hp (14.8 kW) |
| Drawbar (tested) | 16.54 hp (12.3 kW) |
| Drawbar (claimed) | 16.5 hp (12.3 kW) |
Tires
| Ag rear | 9.5-24 (2WD), 11.2-24 (4WD), 11.2-24 |
|---|---|
| Ag front | 4.00-15 (2WD), 6.00-14 (4WD), 5.00-15 |
| Lawn/turf rear | 13.6-16 (2WD), 11.2-24 (4WD) |
| Lawn/turf front | 20x8.00-10 (2WD), 27/8.50-15 (4WD) |
Engine
| Type | diesel |
|---|---|
| Model | Yanmar 2TR20AX |
| Power | 24 hp (17.9 kW) |
| Torque | 46.9 lb-ft (63.6 Nm) |
| Cooling | liquid-cooled |
| Cylinders | 2-cylinder |
| Rated RPM | 2400 |
| Torque RPM | 1800 |
| Bore/Stroke | 3.543x3.543 inches (90 x 90 mm) |
| Compression | 20:1 |
| Displacement | 69.87 ci (1.1 L) |
| Starter volts | 12 |
Height
| 2WD Exhaust | 72.4 inches (183 cm) |
|---|---|
| 4WD Exhaust | 73.3 inches (186 cm) |
| 2WD Steering wheel | 53.9 inches (136 cm) |
| 4WD Steering wheel | 54.3 inches (137 cm) |
Variants
| YM240 | 2WD |
|---|---|
| YM240D | 4WD |
Dimensions
| Width | 48.8 inches (123 cm) |
|---|---|
| Length | 111.2 inches (282 cm) |
| 2WD Weight | 1698 lbs (770 kg) |
| 4WD Weight | 1931 lbs (875 kg) |
| Rear tread | 39.4 inches (100 cm) |
| Front tread | 33.1 inches (84 cm) |
| 2WD Wheelbase | 58.7 inches (149 cm) |
| 4WD Wheelbase | 61.6 inches (156 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
| Charging system | generator |
Hydraulics
| Type | open center |
|---|---|
| Pressure | 2204 psi (152.0 bar) |
Mechanical
| Drive | Two- or four-wheel drive |
|---|---|
| Brakes | Mechanical internal expansion brakes |
| Steering | Manual steering |
| Operator station | Open operator station |
Production
| Built in | Japan |
|---|---|
| Category | Compact Utility tractor |
| Manufacturer | Yanmar |
| Original price | $6,000 in 1981 |
| Years produced | 1977 - 1981 |
Transmission
| Type | gear |
|---|---|
| Gears | 8 forward and 2 reverse |
| Notes | Four gears, plus reverse, in two ranges. Tractor must be stopped, and clutch used, to shift gears or range. |
| Clutch | dry disc |
Tractor hitch
| Rear Type | I |
|---|
Power Take-off (PTO)
| Clutch | overrunning |
|---|---|
| Rear PTO | transmission |
| Front PTO | optional |
| Engine RPM | 540@2200, 1000@2200 |
| Rear PTO Type | 540/1000 |