New Holland CX720 Repair Manual page 2487

Pump - Component identification (C.20.F.20 - C.40.C.20)
CX780, CX820, CX840
(CX780, CX820 and CX840)
90
L
130
KA
5
NN
80
L
R
F1
F
03
GBZ
42
42
34
POWER TRAIN - TRANSMISSION Hydrostatic
1z0o2004112081
Series 90, closed circuit
Left hand (counterclockwise rotation)
Maximum displacement 130 cc/rev (7.9 in3/rev) Limited to 110 cc/rev (6.7 in3/rev)
Electrical displacement control - standard linear
Pressure limiter function in ports A and B
No auxiliary mounting pad
Twin ports
Integrated pressure filtering (long)
Mechanical displacement limitation on both sides (non adjustable)
Splined shaft - 13 teeth - pitch 8/16
Charge pump displacement 26 cc/rev (1.6 in3/rev)
Control orifice dia P=0.81 mm (0.032 in) TA/TB =1.3 mm (0.051 in)
Brake manifold installed (pressure reducing valves set at 180 bar) (2610 psi)
420 bar (6090 psi) high pressure setting port A
420 bar (6090 psi) high pressure setting port B
34 bar (493 psi) charge pressure setting at 1500 rpm (on the machine 38 bar
[551 psi] will be measured at 2100 rpm)
2 4/7/2006
C.20.F / 35
1