Yanmar YM155 sub-compact utility tractor: review and specs

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

General Specifications
Model	Yanmar YM155
Length	–
Width	–
Height	–
Wheel base	–
Ground clearance	–
Weight	544 kg (1,200 lbs)
Fuel tank capacity	–
Battery	–
Cabin type	Open operator station
Engine
Engine model	Yanmar 2TR13A
Engine type	Four-stroke, liquid-cooled, inline
Cylinders	2
Fuel type	Diesel
Displacement	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)
Compression ratio	23.0:1
Horsepower	15.2 PS (11.2 kW; 15.0 HP) at 2,700 rpm
Torque	39.2 N·m (4 kg·m, 28.9 ft·lb) at 2,200 rpm
Starter	Electric

Transmission and chassis
Chassis	4×2 2WD or 4×4 MFWD 4WD
Steering type	–
Brakes	–
Transmission model	–
Transmission type	Gear type
Gears	6 forward and 2 reverse
Tires
Front tires	Ag: –
Rear tires	Ag: 8-16

Three-Point Hitch
Category	I
Control type	–
Lift capacity (at ends)	–
PTO (Power take-off shaft)
Rear PTO type	–
Rear PTO speed	540 rpm

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