Model : Yanmar 3TNV88
Type : 4-cycle water-cooled, direct injection
No. of cylinders : 3
Piston displacement : 1.642 L
Bore and stroke : 88 mm x 90 mm
Batteries : 1 x 12 V / 55 Ah
Hydraulic Pumps
Main pumps : 2 variable displacement axial piston pumps 1 gear pump
Maximum oil flow : 2 x 38.4 L/min. 1 x 22.8 L/min
Pilot pump : 1 gear pump
Maximum oil flow : 10.8 L/min
Revolving Frame
D-section frame for resistance to deformation.
Swing Device
Axial piston motor with planetary reduction gear is bathed in oil. Swing circle is single-row. Swing parking brake is spring-set/hydraulic-released disc type.
Swing speed : 9.1 min-1 (rpm)
Swing torque : 5.1 kNm (520 kgfm)
Operator’s Cab
Independent spacious cab, 1 049 mm wide by 1 611 mm high, conforming to ISO* Standards. Reinforced glass windows on 4 sides for visibility. Front windows (upper and lower) can be opened. Reclining seat.
* International Organization for Standarization
Tractor-type undercarriage. Welded track frame using selected materials. Side frame welded to track frame.
Numbers of Rollers on Each Side
Upper roller : 1
Lower rollers : 4
Travel Device
Each track driven by 2-speed axial piston motor. Parking brake is spring-set/hydraulic-released disc type. Automatic transmission system: High-Low.
Travel speeds :
High : 0 to 4.3 km/h
Low : 0 to 2.8 km/h
Maximum traction force 27 kN (2 750 kgf)
Gradeability : 58% (30 degree) continuous
Fuel tank : 42.0 L
Engine coolant : 3.9 L
Engine oil : 7.2 L
Travel device (each side) : 0.6 L
Hydraulic system : 56.0 L
Hydraulic oil tank : 32.0 L
Including 0.08 m3 (ISO heaped), bucket weight (73 kg).
* Including 0.06 m3 (ISO heaped), bucket weight (67 kg), additional counterweight (190 kg).