The 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
544 kg (1,200 lbs)
Fuel tank capacity
Open operator station
Four-stroke, liquid-cooled, inline
0.7 L, 662 cm2, (40.4 cu·in)
Bore and stroke
75.0 mm X 75.0 mm (2.95 in X 2.95 in)
15.2 PS (11.2 kW; 15.0 HP) at 2,700 rpm
39.2 N·m (4 kg·m, 28.9 ft·lb) at 2,200 rpm
Transmission and chassis
4×2 2WD or 4×4 MFWD 4WD
6 forward and 2 reverse
Lift capacity (at ends)
PTO (Power take-off shaft)
Rear PTO type
Rear PTO speed
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