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ZW50

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ENGINE

Model KUBOTA V2403-M-DI
Type 4-cycle water-cooled,direct injection
No. of cylinders 4
Maximum power ISO 9249, net 30.4 kW (41 HP) at 2 200 min-1 (2 200 rpm)
Maximum power SAE J1349, net 30.4 kW (41HP) at 2 200 min-1 (2 200 rpm)
Bore and stroke 87 mm x 102.4 mm
Piston displacement 2.434 L
Batteries 12V x 490 CCA, 123-min.rated reserve
Air cleaner Double stage dry type with restrictuin indicator

POWER TRAIN

Transmission controls Hydrostatic transmission (HST) automatically controls power and speed
Travel speed : Forward & Reverse 15 km/h
With 15.5/60-18-8PR (L2) tires

AXLE AND FINAL DRIVE

Drive system Four-wheel drive system
Front & rear axle Semi-floating
Front & rear axle Front fixed to the front frame
Front & rear axle Rear Center pivot
Oscillation angle total 16 degree (+-8 degree)
Final drives Heavy-duty, planetary final drive

TIRES (tubeless, nylon body)

Standard 15.5/60-18-8PR(L2)

BRAKES

Service brakes Inboard mounted fully hydraulic wet disk
Parking brake Spring applied hydraulic released wet disk

STEERING SYSTEM

Type Articulated frame steering
Steering mechanism Full hydraulic power steering with orbitrol (R)
Orbitrol (R) is a registered trademark of Char-Lynn.
Steering angle Each direction 41 degree ; total 82 degree
Relief pressure 17.2 MPa (175 kgf/cm2)
Cylinders Double-acting piston type
Cylinders No. x Bore x Stroke 1 x 60 mm x 228 mm
Minimum turning radius at the centerline of outside tire 3 125 mm

HYDRAULIC SYSTEM

Arm and bucket are controlled by mechanical single control lever

Arm controls Four position valve; Raise, hold, lower, float
Bucket controls Three position valve; Roll back, hold, dump
Main pump (Load & steer) Gear type 48.3 L/min
2 200 min-1(rpm) at 20.6 MPa (210 kgf/cm2)
Relief pressure setting 20.6 MPa (210 kgf/cm2)
Hydraulic cylinders Type Two arm and one bucket, double acting type
Hydraulic cylinders No. x Bore x Stroke Arm: 2 x 70 mm x 531 mm
Bucket: 1 x 70 mm x 450 mm
Filters Full-flow 10 micron return filter in reservoir
Hydraulic cycle times Arm raise 5.0 s
Hydraulic cycle times Arm lower 3.0 s
Hydraulic cycle times Bucket dump 1.0 s

SERVICE REFILL CAPACITIES

Fuel tank 45 L
Engine coolant 6.5 L
Engine oil 7.6 L
Front axle differential & wheel hubs 4.5 L
Rear axle differential & wheel hubs 4.5 L
Hydraulic reservoir tank 38 L

BUCKET SELECTION GUIDE

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