Tata Hitachi ZW 370-5A base

Specifications of Tata Hitachi ZW 370-5A base

Engine

• Air Cleaner Double element dry type with restriction indicator
• Aspiration Turbocharger, intercooled and cooled EGR
• Batteries DC 12 V X 2
• Bore x Stroke 147 mm X 154 mm
• Engine Make/Model ISUZU “6WG1” diesel engine
• Max. Torque 1 932 Nm at 1 400 min-1 (rpm)
• No of cylinders 6
• Piston displacement . 15.68 L
• Type 4-cycle water-cooled, direct injection

Service Refill Capacities

• Engine Coolant 76 L
• Engine Oil 52 L
• Front axle differential & wheel hubs 95 L
• Fuel Tank 438 L
• Hydraulic Tank Oil (only) 178 L
• Rear axle differential & wheel hubs 95 L
• Torque converter and transmission . 71 L

Steering

• Steering angle Each direction 37° ; total 74°
• Type Articulated frame steering

Hydraulic System

• Arm controls Four position valve; raise, hold, lower, float
• Bucket controls with automatic bucket return-to-dig control Automatic bucket return-to-dig control Three position valve ; roll back, hold, dump
• Fan Drive Motor(s) – Type Variable displacement axial plunger pump
• Fan pump Maximum flow 90 L/min at 1 800 min-1 (rpm)
• Fan pump Maximum pressure 22.5 MPa
• Hydraulic cycle times Bucket dump 1.2 s
• Hydraulic cycle times Lift arm lower 4.5 s
• Hydraulic cycle times Lift arm raise 5.8 s
• Hydraulic cycle times Total 11.5 s
• Hydraulic cylinders Filters Full-flow 9 micron return filter in reservoir
• Hydraulic cylinders No. x Bore x Stroke Arm : 2 x 160 mm x 1 027 mm Bucket : 2 x 130 mm x 656 mm
• Hydraulic cylinders Type Double acting type
• Main pump (Serve as steering pump) Maximum flow 340 L/min at 1 800 min-1 (rpm)
• Main pump (Serve as steering pump) Maximum pressure 31.4 MPa
• Main pump (Serve as steering pump) Type Variable displacement axial piston pump

Axles

• Drive system Four-wheel drive system
• Final drives Heavy-duty planetary, mounted outboard
• Front Fixed to the front frame
• Front axle type Full-floating
• Oscillation Angle . Total 24˚ (+12˚, -12˚)
• Rear Trunnion support
• Rear axle type Full-floating
• Reduction and differential gear Two stage reduction with torque proportional differential (std) / limited slip differential (optional)

Brakes

• Parking brakes Spring applied, hydraulically released, located in front axle driveline
• Service brakes . Middle mounted fully hydraulic 4 wheel disc brake. Front & rear independent brake circuit

Power Train

• Cooling method Forced circulation type
• Main clutch Wet hydraulic, multi-disc type
• Torque Converter - Type Three element, single stage, single phase with lock-up clutch (Optional)
• Transmission Torque converter, planetary gear type powershift with computer-controlled automatic shift and manual shift features included
• Travel Speed - Fwd. 1st 6.1 / 6.5 km/h
• Travel Speed - Fwd. 2nd 11.3 (12.3) / 12.1 (13.1) km/h
• Travel Speed - Fwd. 3rd 19.2 (21.6) / 20.7 (23.2) km/h
• Travel Speed - Fwd. 4th 36.4 (37.0) / - km/h
• Travel Speed - Rev. 1st 6.1 / 6.5 km/h
• Travel Speed - Rev. 2nd 11.3 (12.3) / 12.1 (13.1) km/h
• Travel Speed - Rev. 3rd 19.2 (21.6) / 20.7 (23.2) km/h
• Travel Speed - Rev. 4th 36.4 (37.0) / - km/h

Undercarriage

• Ground Clearance 440

Turning Radius

• Width Over Tires 3 220

STEERING SYSTEM

• Cylinders Double-acting piston type
• No. x Bore x Stroke 2 X 90mm X 600 mm