Overview
The Jinma JM-304 is a four-wheel drive farm tractor manufactured in Yancheng City, China, featuring an 8-speed transmission with 8 forward and 2 reverse gears. It is equipped with a 2.2L 3-cylinder diesel engine rated at 30 hp and a Category I rear hitch with a lift capacity of 1,112 lbs.
Ideal Applications
Drivetrain and Mechanical Layout:
The tractor is configured with a four-wheel drive system and an 8-speed transmission consisting of 8 forward and 2 reverse gears.
Engine and Power Ratings:
The Jinma 2.2L 3-cylinder liquid-cooled diesel engine is rated at 30 hp with a compression ratio of 18:1 and a fuel tank capacity of 7.9 gallons.
Chassis and External Dimensions:
The machine has a total weight of 3,924 lbs and a 72.4-inch wheelbase, with 6.00-16 front tires and 11.2-24 rear tires.
Production
| Description | Built in Yancheng City, China |
|---|---|
| Manufacturer | Jinma |
Engine
| Bore/Stroke | 3.74x4.134 inches (95 x 105 mm) |
|---|---|
| Compression | 18:1 |
| Coolant capacity | 7.6 qts (7.2 L) |
| Description | Jinma / diesel / 3-cylinder / liquid-cooled / diesel / 2-cylinder |
| Displacement | 136.1 ci (2.2 L) |
| Oil capacity | 6.3 qts (6.0 L) |
| Power | 30 hp (22.4 kW) |
| Rated RPM | 2000 / 2200 |
| Starter volts | 12 |
| Description | 2-cyl diesel |
| Engine type | Jinma 2.2L 3-cyl diesel |
| Description | 2-cyl diesel |
| Engine type | Jinma 2.2L 3-cyl diesel |
| Fuel tank | 7.9 gal (29.9 L) |
Transmission
| Gears | 8 forward and 2 reverse |
|---|---|
| Transmission type | 8-speed |
Mechanical
| Drive type | Four-wheel drive |
|---|
Hydraulics
| Pump flow | 3.17 gpm (12.0 lpm) |
|---|---|
| Type | closed |
| Valves | 1 |
Hitch
| Rear lift | 1112 lbs (504 kg) |
|---|---|
| Rear Type | I |
PTO
| Rear PTO | live |
|---|---|
| Rear PTO Type | 540, 720 |
Dimensions & Tires
| Height | 78.1 inches (198 cm) |
|---|---|
| Length | 121.9 inches (309 cm) |
| Weight | 3924 lbs (1779 kg) |
| Wheelbase | 72.4 inches (183 cm) |
| Width | 57.1 inches (145 cm) |
| Front tire | 6.00-16 |
| Rear tire | 11.2-24 |
| Weight | 3924 lbs (1779 kg) |
| Wheelbase | 72.4 inches (183 cm) |
| Ag front | 6.00-16 |
| Ag rear | 11.2-24 |