Yanmar YM240 Compact Utility Tractor (1977–1981)
Overview
The Yanmar YM240 is a compact utility tractor produced in Japan from 1977 to 1981. Positioned as a more powerful option than the YM195 and YM200 series, the YM240 delivers 24 horsepower, making it suitable for heavier tillage, mowing, and PTO-driven applications while maintaining a compact and easy-to-handle design.
Available in 2WD (YM240) and 4WD (YM240D) versions, this model earned a strong reputation for durability, fuel efficiency, and simple mechanical construction. In 1981, the original retail price was approximately USD 6,000, making it an affordable and capable work tractor.
Engine
| Item | Specification |
|---|---|
| Manufacturer | Yanmar |
| Engine type | Diesel |
| Displacement | 1.1 L |
| Cylinders | 2-cylinder |
| Aspiration | Naturally aspirated |
| Rated engine power | 24 hp (17.9 kW) |
| Fuel tank capacity | 5.8 gal (22.0 L) |
The Yanmar 2-cylinder diesel engine is known for strong low-end torque, simple maintenance, and excellent reliability in long-term agricultural use.
Transmission
| Item | Specification |
|---|---|
| Transmission type | Gear |
| Number of speeds | 8-speed |
| Drive system | 2WD or 4WD |
| Steering | Manual |
| Brakes | Mechanical internal expansion |
| Operator station | Open platform |
The mechanical gear transmission offers precise control and dependable operation in demanding farm conditions.
Power & Performance
| Item | Output |
|---|---|
| Engine power | 24 hp (17.9 kW) |
| Drawbar power (claimed) | 16.5 hp (12.3 kW) |
| Drawbar power (tested) | 16.54 hp (12.3 kW) |
| PTO power (claimed) | 19.8 hp (14.8 kW) |
| PTO power (tested) | 19.76 hp (14.7 kW) |
Performance tests confirm that the YM240 delivers consistent real-world power close to its rated specifications.
Hydraulics
| Item | Specification |
|---|---|
| Hydraulic system type | Open center |
| Hydraulic pressure | 2204 psi (152.0 bar) |
The open-center hydraulic system provides reliable performance for rear implements and optional loaders.
Hitch
| Item | Specification |
|---|---|
| Rear hitch type | Category I |
The Category I hitch supports a wide range of standard implements used on compact utility tractors.
Power Take-Off (PTO)
| Item | Specification |
|---|---|
| Rear PTO | Transmission-driven |
| PTO clutch | Overrunning |
| PTO speeds | 540 / 1000 rpm |
| Engine RPM (PTO) | 540 @ 2200 rpm / 1000 @ 2200 rpm |
| Front PTO | Optional |
Dual PTO speeds increase compatibility with various implements, while the optional front PTO adds versatility for specialized equipment.
Dimensions & Tires
| Item | Specification |
|---|---|
| Wheelbase (2WD) | 58.7 in (149 cm) |
| Wheelbase (4WD) | 61.6 in (156 cm) |
| Operating weight | 1698–1931 lb (770–876 kg) |
| Front tires | 4.00-15 |
| Rear tires | 9.5-24 |
The compact wheelbase and moderate weight provide excellent maneuverability without sacrificing stability.
Electrical
| Item | Specification |
|---|---|
| Ground | Negative |
| Charging system | Generator |
| Battery voltage | 12 V |
Photos
Photos may show the YM240 equipped with loaders or other attachments. Appearance varies by configuration, condition, and market.
Why Choose the Yanmar YM240?
-
Powerful 24 HP Japanese diesel engine
-
Proven performance with tested PTO and drawbar output
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Simple mechanical design for easy maintenance
-
2WD and 4WD options available
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Ideal for export and long-term farm use
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