Jinma

Jinma JM-304

The Jinma JM-304 is a 30 hp (22.4 kW) four-wheel drive farm tractor built by Jinma in Yancheng City, China. It features a 2.2L 3-cylinder liquid-cooled diesel engine with an 8-speed transmission offering 8 forward and 2 reverse gears. The tractor has a closed hydraulic system with 1 valve and a pump flow of 3.17 gpm (12.0 lpm). It includes a rear type I hitch with a lift capacity of 1112 lbs (504 kg) and a live rear PTO with 540 and 720 rpm options. Dimensions include a wheelbase of 72.4 inches (183 cm), length of 121.9 inches (309 cm), width of 57.1 inches (145 cm), height of 78.1 inches (198 cm), and weight of 3924 lbs (1779 kg). The tractor rides on 6.00-16 front tires and 11.2-24 rear tires.
Power30 hp
Foundedunknown
ModelJM-304

Technical Specifications

Detailed specifications and technical data for Jinma JM-304

Power
Engine30 hp (22.4 kW)
Engine
Power30 hp (22.4 kW)
Rated RPM2000
Bore/Stroke3.74x4.134 inches (95 x 105 mm)
Compression18:1
Displacement136.1 ci (2.2 L)
Oil capacity6.3 qts (6.0 L)
Engine DetailJinma diesel 3-cylinder liquid-cooled
Starter volts12
Engine optionsJinma 2.2L 3-cyl diesel, 2-cyl diesel
Coolant capacity7.6 qts (7.2 L)
Additional enginediesel 2-cylinder, Rated RPM 2200
Hydraulics
Typeclosed
Valves1
Pump flow3.17 gpm (12.0 lpm)
Mechanical
DriveFour-wheel drive
Production
Built inYancheng City, China
ManufacturerJinma
Transmission
Type8-speed
Gears8 forward and 2 reverse
Tractor hitch
Rear TypeI
Rear lift1112 lbs (504 kg)
Dimensions & Tires
Width57.1 inches (145 cm)
Height78.1 inches (198 cm)
Length121.9 inches (309 cm)
Weight3924 lbs (1779 kg)
Rear tire11.2-24
Wheelbase72.4 inches (183 cm)
Front tire6.00-16
Power Take-off (PTO)
Rear PTOlive
Rear PTO Type540, 720