Wacker Neuson ET12 02, Operator'S Manual

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BA ET18, 20, 24 en* 1.5 * et18_20_24t900.fm
9-3
Technical data 9
9.3 Traveling drive/axles
9.4 Brake
See drive lever
9.5 Tracks
9.6 Steering system
See drive lever
9.7 Operating hydraulics
Travelling drive ET18 ET20 ET24
Design Axial-piston motor with planetary drive
Rubber tracks ET18 ET20 ET24
Track width
230 mm
(9 in)
250 mm
(10 in)
Number of tread rollers 3 4 3
Work hydraulics ET18 ET20
Pump
Double variable displa
twin gear pump
10 + 10 + 8 + 2.7 cm³
(0.60 + 0.60 + 0.49 + 0.16 in
3
)
Flow rate
23.8 (P1) + 23.8 (P2) + 19 (P3)
+ 6.4 (P4) l/min
at 2375 rpm
(6.3 + 6.3 + 5 + 1.7 gal/min at
2375 rpm)
Number/type of pumps 4
Oil flows of variable displacement
pumps
(P1 + P2)
23.8 l/min (6.3 gal/min)
Oil flow of gear pump 1
(P3) (3rd control circuit or Powertilt)
19 l/min (5 gal/min)
Oil flow of gear pump 2
(P4)
6.4 l/min (1.7 gal/min)
Operating pressure for operating and
travel hydraulics
200 bar (2900 psi)
Swivel unit operating pressure
125 bar
(1813 psi)
150 bar
(2176 psi)
Upper carriage rotation speed 10 rpm
Hydraulic reservoir capacity 19 l (5 gal)
Hydraulic oil quantity (system fill) 34 l (9 gal)