ZX40
Specifications
Engine
Type | 4-cycle water-cooled, common rail direct injection |
Aspiration | Water-cooled, 4-cycle, direct injection type diesel engine |
No. of cylinders | 4 |
SAE J1349 | 29.8 kW (39.9 HP) at 2 500 min-1(rpm) |
DIN 6271 | 29.5 kW (40.1 PS) at 2 500 min-1(rpm) |
JIS D1005 | 29.8 kW (40.7 PS) at 2 500 min-1(rpm) |
Maximum torque | 138 N.m (14 kgf.m) at 1 500 min-1(rpm) |
Piston displacement | 2 189 L |
Bore and stroke | 88 x 90 mm |
Batteries | 1 x 12 V, 55 Ah |
Hydraulic System
Main pumps | 1 variable displacement axial piston pumps |
Maximum oil flow | 125 L/min |
Pilot pump | 1 gear pump |
Maximum oil flow | 12.5 L/min |
Swing Mechanism
High-torque, axial piston motor with planetary reduction gear. Swing circle is single-row, shear-type ball bearing with induction-hardened internal gear. Internal gear and pinion are immersed in lubricant. Swing parking brake is spring-set/hydraulic-released disc type. Swing shockless valve built in swing motor absorbs shocks when stopping swing, ensuring smooth stops.
Undercarriage
TRACKS
Tractor-type undercarriage. Welded track frame using carefully 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 a high-torque, 2-speed axial piston motor through planetary reduction gear, allowing counter-rotation of the tracks. Travel shockless relief valve built in travel motor absorbs shocks when stopping travel, ensuring smooth stops.
Travel speeds (rubber shoes) …………………………… High: 0 – 4.5 km/h
Low: 0 – 2.8 km/h
Travel speeds (grouser shoes) …………………………… High: 0 – 4.2 km/h
Low: 0 – 2.6 km/h
Gradeability ……………………………………. 30 degrees (58%) continuous