General Specification - Case WX148 Service Manual

General specification

Hydraulic system
The hydraulic system is supplied by 3 pumps, a main double pump, an independent pump for swinging and double
gear pump for steering and brake, pilot hydraulic system and grab rotation. The engine and the pumps are monitored
and controlled by the "Engine Speed Control" selector located in cab.
Circuit pressure
Attachment (2-piece boom)
Travel
Power boost
Rotation
Pilot system
Pumps
Variable-flow rate twin pump
Model
Power
Engine speed
Maximum flow rate at 1750 RPM
(heavy)
Pump volume
Rotation pump
Model
Service pressure
Engine speed
Auxiliary pump volume
Main pump volume
Maximum flow rate at 1750 RPM (heavy)
Gear pump
Model
Pump P1 displacement
Pump P2 displacement
Max continuous pressure ( P1)
Max intermittent pressure ( P2)
Min rotation speed ( P1)
Max rotation speed ( P1)
Cylinder
Cylinder (Ø tube assy. x Ø rod assy. x stroke)
Monoboom lifting cylinder
2-piece boom lifting cylinder
Dipper cylinder
Bucket cylinder
Positioning cylinder for 2PB
INTRODUCTION
A8V080 LA1H2/63R1
79 kW (107.4 Hp)
2000 RPM
2 x 140 l/min (37.0 US gpm)
2 x 80 cm³ (4.9 in³)
360 - 10 bar (5220.0 - 145.0 psi)
110 mm (4.3 in) x 70 mm (2.8 in) x 1028 mm (40.5 in) ±
100 mm (3.9 in) x 70 mm (2.8 in) x 972 mm (38.3 in) ±
115 mm (4.53 in) x 80 mm (3.15 in) x 1120 mm (44.1
95 mm (3.7 in) x 65 mm (2.6 in) x 903 mm (35.6 in) ±
135 mm (5.3 in) 75 mm (3.0 in) x 645 mm (25.4 in)
47500167A 31/01/2013
35
340 bar (4930.0 psi)
370 bar (5365 psi)
370 bar (5365 psi)
360 bar (5220.0 psi)
45 bar (653 psi)
A4VG40 DE4D T1/32R
1800 RPM
8.6 cm³ (0.52 in³)
40 cm³ (2.44 in³)
70 l/min (18.5 US gpm)
WSP20.11,2-03S1-L
11.891 cm³/rev (0.73 in³/rev)
11.891 cm³/rev (0.73 in³/rev)
210 bar (3045 psi)
230 bar (3335 psi)
800 RPM
2300 RPM
1.8 mm (0.1 in)
1.8 mm (0.1 in)
in) ± 1.8 mm (0.1 in)
1.8 mm (0.1 in)