Tata Hitachi ZW 550 base

Specifications of Tata Hitachi ZW 550 base

Engine

• Aspiration Turbocharger and intercooled
• Batteries 2 X 12 V / 754 CCA, 176 Ah
• Bore & stroke 159 mm X 159 mm
• Engine Make/Model Cummins QSK19
• ISO 9249 360 kW (483 HP) at 1 800 min-1 (rpm)
• No. of cylinders 6
• Piston displacement . 18.87 L
• Type 4-cycle water-cooled, direct injection

Service Refill Capacities

• Engine Coolant 155.0
• Engine Oil 61.0
• Front axle differential & wheel hubs 360.0
• Fuel Tank 660.0
• Hydraulic oil tank 225.0
• Rear axle differential & wheel hubs 360.0
• Torque convertor & transmission 90.0

Dimensions

• Overall height 4 170
• Tread 2 650
• Width over tires 3 570

Hydraulic System

• Arm controls Four position valve ; Raise, hold, lower, float Bucket controls with automatic
• Bucket controls with automatic bucket return-to-dig control Three position valve ; Roll back, hold, dump
• Hydraulic cycle times Bucket dump 1.7 s
• Hydraulic cycle times Lift arm lower 5.0 s
• Hydraulic cycle times Lift arm raise 8.4 s
• Hydraulic cycle times Total 15.1 s
• Hydraulic cylinders Filters Full-flow 28 micron return filter in reservoir
• Hydraulic cylinders No. x Bore x Stroke Arm : 2 x 225 mm x 1 132 mm Bucket : 2 x 190 mm x 767 mm
• Hydraulic cylinders Type Two lift arm and two bucket, double acting type
• Main pump (Serve as steering pump) Maximum flow . Fixed displacement type gear pump
• Main pump (Serve as steering pump) Maximum pressure Charging pump / Fan pump / Brake and assist pump............. F
• Main pump (Serve as steering pump) Type Fixed displacement type gear pump

Axles

• Drive system Four-wheel drive system
• Final drives Heavy-duty planetary, mounted outboard
• Front Fixed to the front frame
• Front Axle Full-floating
• Oscillation Angle Total 26˚ (+13˚,-13˚)
• Rear Trunnion support
• Rear Axle Full-floating
• Reduction and differential gear Single bevel gear, single stage reduction conventional type

Brakes

• Service brakes Inboard mounted fully hydraulic 4 wheel wet disc brake. Front & rear independent brake circuit.

Blades

• Ground Clearance 545

Power Train

• Cooling method Forced circulation type
• Main clutch Wet hydraulic, multi-disc type
• Torque Converter - Type Three element, single stage, single phase
• Transmission Torque converter, planetary gear type powershift with computer-controlled automatic shift and manual shift features included
• Travel Speed - Fwd. 1st 7.4 / 8.2
• Travel Speed - Fwd. 2nd 13.5 / 14.8
• Travel Speed - Fwd. 3rd 21.6 / 23.6
• Travel Speed - Fwd. 4th 36.0 / -
• Travel Speed - Rev. 1st 7.4 / 8.2
• Travel Speed - Rev. 2nd 13.5 / 14.8

STEERING SYSTEM

• Cylinders Two double-acting piston type
• Minimum turning radius at the centerline of outside tire 7 045 mm
• No. x Bore x Stroke 2 x 110 mm x 720 mm
• Steering angle Each direction 40˚ ; total 80˚
• Steering mechanism Completely hydraulic power steering
• Type Articulated frame steering