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ZW250

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ENGINE

Model Isuzu AH-6HK1X
Type 4-cycle water-cooled, direct injection
Aspiration Turbocharger and intercooled
No. of cylinders 6
Maximum power DIN 6272, Without Fan net 179 kW (243 PS) at 2 000 min-1 (rpm)
Maximum power SAE J1349, Without Fan net 179 kW (240 HP) at 2 000 min-1 (rpm)
Maximum power ISO 9249, Without Fan net 179 kW (240 HP) at 2 000 min-1 (rpm)
Maximum power EEC 80 / 1269, Without Fan net 179 kW (240 HP) at 2 000 min-1 (rpm)
Bore and stroke 115 mm x 125 mm
Piston displacement 7.790 L
Batteries 2 x 12 V / 916 CCA, 270-min. rated reserve
Air cleaner Two element dry type with restriction indicator

POWER TRAIN

Transmission Torque converter, countershaft type powershift with computer-controlled automatic shift and manual shift features included.
Torque converter Three element, single stage, single phase
Main clutch Wet hydraulic, multi-disc type
Cooling method Forced circulation type
Travel speed* (km/h)  

AXLE AND FINAL DRIVE

Drive system Four-wheel drive system
Front & rear axle Semi-floating
Front Fixed to the front frame
Rear Trunnion support
Reduction and differential gear Two stage reduction with torque proportional differential
Oscillation angle Total 24 degree (+12 degree , -12 degree)
Final drives Heavy-duty planetary, mounted inboard

TIRES (tubeless, nylon body)

Drive system 23.5-25-16 PR (L3)
Optional Refer to standard & optional equipment list

BREAKS

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

STEERING SYSTEM

Type Articulated frame steering
Steering mechanism Refer to standard & optional equipment list
Steering angle Each direction 40 degree ; total 80 degree
Cylinders Two double-acting piston type
Cylinders No. x Bore x Stroke 2 x 70 mm x 542 mm
Minimum turning radius at the centerline of outside tire 5 715 mm

HYDRAULIC SYSTEM

Arm and bucket are controlled by independent control lever

Arm controls Four position valve ; Raise, hold, lower, float
Bucket controls with automatic bucket return-to-dig control Three position valve ; Roll back, hold, dump
Main pump / Steering pump Variable Displacement Axial Plunger Pump
Charging pump / Fan pump / Brake and assist pump Fixed Displacement Type Gear Pump
Hydraulic cylinders Type Two arm and one bucket, double acting type
Hydraulic cylinders No. x Bore x Stroke Arm : 2 x 130 mm x 940 mm
Bucket : 1 x 165 mm x 530 mm
Filters Full-flow 15 micron return filter in reservoir
Hydraulic cycle times Lift arm raise 5.6 s
Hydraulic cycle times Lift arm lower 3.2 s
Hydraulic cycle times Bucket dump 1.3 s
Hydraulic cycle times Total 10.1 s

SERVICE REFILL CAPACITIES

Fuel tank 340.0 L
Engine coolant 41.0 L
Engine oil 25.0 L
Torque convertor & transmission 25.0 L
Front axle differential & wheel hubs 40.0 L
Rear axle differential & wheel hubs 40.0 L
Hydraulic oil tank 114.0 L

BUCKET SELECTION GUIDE

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