Overview
The Yanmar YM1820 is a compact utility farm tractor produced between 1982 and 1983. It is equipped with a 1.3L 3-cylinder liquid-cooled diesel engine rated at 18 hp and features a partial power shift transmission with options for 2WD or 4WD configurations.
Ideal Applications
Engine and Power Configuration:
The tractor is powered by a Yanmar 3T80U-NB 3-cylinder diesel engine with a displacement of 78.1 cubic inches and a rated speed of 2400 RPM.
Transmission Layout:
The mechanical system utilizes a partial power shift transmission with three power shift gears plus reverse across three ranges, resulting in 9 forward and 3 reverse speeds or a 12-speed creeper variant.
Physical Dimensions and Electrical Specifications:
This model weighs 2314 lbs with a 104-inch length and 45-inch width, operating on a 12-volt negative ground electrical system.
Production
| Description | Compact Utility tractor |
|---|---|
| Manufacturer | Yanmar |
Engine
| Engine type | Yanmar 1.3L 3-cyl diesel |
|---|---|
| Bore/Stroke | 3.15x3.35 inches (80 x 85 mm) |
| Description | Yanmar 3T80U-NB / diesel / 3-cylinder / liquid-cooled |
| Displacement | 78.1 ci (1.3 L) |
| Power | 18 hp (13.4 kW) |
| Rated RPM | 2400 |
| Starter volts | 12 |
Transmission
| Description | Three power shift gears, plus reverse, with three ranges. |
|---|---|
| Gears | 9 forward and 3 reverse / 12 forward and 4 reverse |
| Type | partial power shift / creeper |
| Transmission type | 9-speed partial power shift / 12-speed creeper |
| Transmission type | 9-speed partial power shift / 12-speed creeper |
Mechanical
| Cab | Open operator station. |
|---|---|
| Drive type | Two- or four-wheel drive |
Electrical
| Battery volts | 12 |
|---|---|
| Ground | negative |
Dimensions & Tires
| Height | 70 inches (177 cm) |
|---|---|
| Length | 104 inches (264 cm) |
| Weight | 2314 lbs (1049 kg) |
| Width | 45 inches (114 cm) |
| Weight | 2314 lbs (1049 kg) |
Variants
| YM1802 | 2WD gear |
|---|---|
| YM1802D | 4WD gear |
| YM1820 | 2WD power shift |
| YM1820D | 4WD power shift |