Model: Yanmar 3TNV70
Type: Water-cooled, 4-cycle, 3-cylinder swirl combustion chamber injection type diesel engine
Rated power ISO 9249, net : 9.5 kW (12.9 PS) at 2 100 min-1 (rpm)
Maximum torque: 50.5 N.m (5.1 kgf.m) at 1 500 min-1 (rpm)
Piston displacement: 0.854 L
Bore and stroke: 70 mm x 74 mm
Batteries: 1 x 12 V/36 Ah
Main pumps: 2 gear pumps
Maximum oil flow: 2 x 10.6 L/min
Pilot pump: 1 gear pump
Maximum oil flow: 5.3 L/min
Boom, arm, bucket, and swing are hydraulic pilot system.
Travel, boom swing, blade, variable leg and reserve are mechanical.
Hight-torque, orbit motor. Swing circle is single-row, shear-type ball bearing with induction-hardened internal gear.
Internal gear and pinion are immersed in lubricant.
Swing speed : 8.5 min-1 (8.5 rpm)
Tractor-type undercarriage. Welded track frame using carefully selected materials. Side frame extended by span cylinder.
Numbers of Rollers on Each Side
Lower rollers : 3
Travel speeds : High : 0 to 4.0 km/h
(with rubber shoes) Low : 0 to 2.0 km/h
Gradeability : 58 % (30 degrees) continuous
Equipped with 0.81 m arm and 0.019 m3 (ISO 7451 capacity) bucket.
180 mm rubber shoes
Operating Weight : 1110 kg
Ground Pressure:24 kPa (0.25 kgf/cm2)
Fuel tank : 16.0 L
Engine coolant : 3.3 L
Engine oil : 2.8 L
Travel device (each side) : 0.33 L
Hydraulic system : 18.0 L
Hydraulic oil tank (Reference oil level) : 12.0 L