Yanmar YM155

Yanmar YM155The Yanmar YM155 is a 2WD or 4WD (YM155D) sub-compact utility tractor manufactured by Yanmar from 1976 to 1979. The Yanmar YM155 is equipped with a 0.7 L (40.4 cu·in) two-cylinder diesel engine and a gear type transmission with 6 forward and 2 reverse gears.

The Yanmar YM155 sub-compact utility tractor used the Yanmar 2TR13A engine. It is a 0.7 L, 662 cm2, (40.4 cu·in) two-cylinder natural aspirated diesel engine with 75.0 mm (2.95 in) of the cylinder bore and 75.0 mm (2.95 in) of the piston stroke. The compression ratio rating is 23.0:1. This engine produced 15.2 PS (11.2 kW; 15.0 HP) at 2,700 rpm of output power and 39.2 N·m (4 kg·m, 28.9 ft·lb) at 2,200 rpm of torque.

Yanmar YM155 Specifications

General Specifications
ModelYanmar YM155
Wheel base
Ground clearance
Weight544 kg (1,200 lbs)
Fuel tank capacity
Cabin typeOpen operator station
Engine modelYanmar 2TR13A
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeDiesel
Displacement0.7 L, 662 cm2, (40.4 cu·in)
Bore and stroke75.0 mm X 75.0 mm (2.95 in X 2.95 in)
Compression ratio23.0:1
Horsepower15.2 PS (11.2 kW; 15.0 HP) at 2,700 rpm
Torque39.2 N·m (4 kg·m, 28.9 ft·lb) at 2,200 rpm
Transmission and chassis
Chassis4×2 2WD or 4×4 MFWD 4WD
Steering type
Transmission model
Transmission typeGear type
Gears6 forward and 2 reverse
Front tires Ag: –
Rear tires Ag: 8-16
Three-Point Hitch
Control type
Lift capacity (at ends)
PTO (Power take-off shaft)
Rear PTO type
Rear PTO speed540 rpm
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