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Service Manual
Technical specifications
Overview
Features and options
Model
Mount
Pump type
Rotation
Installation position
Input shafts
Control options
Operating parameters
Parameter
System pressure
Charge pressure
Charge inlet pressure
Case pressure
Parameter
Displacement
(maximum)
Minimum speed
Rated speed
Maximum speed
Maximum attainable speed at
maximum displacement
Theoretical torque at maximum
displacement
Weight (base unit only)
Fluid specifications
Series 90 Pumps
Specifications and operating parameters for pumps appear here for reference.
Series 90 Pumps
SAE B, SAE C and E (SAE J 744)
Axial piston type
Bidirectional
Discretionary: Housing must always be filled with hydraulic fluid. Do not install with control on bottom.
Splined
MDC (with options), EDC, HDC, FNR
Rated
Maximum
Minimum low loop
Minimum
Maximum
Rated
Minimum (cold start)
Rated
Maximum
Unit
Frame size
042
cm³
42
[in³]
[2.56]
min-1 (rpm)
500
min-1 (rpm)
4200
min-1 (rpm)
4600
min-1 (rpm)
5000
N•m/bar
0.67
[lbf•in/1000
[380]
psi]
kg
34
[lb]
[75]
Ratings and data are based on operation with premium petroleum-based hydraulic fluids containing
oxidation and foam inhibitors.
520L0818 • Rev 0101 • August 2015
Unit
Pressure
bar
420 [6000]
[psi]
480 [7000]
10 [150]
bar
10 [150]
[psi]
35 [508]
bar (absolute)
0.7 [9]
[in Hg vacuum]
0.2 [24]
bar
3.0 [40]
[psi]
5.0 [75]
055
075
100
55
75
100
[3.35]
[4.57]
[6.10]
500
500
500
3900
3600
3300
4250
3950
3650
4700
4300
4000
0.88
1.19
1.59
[530]
[730]
[870]
40
49
68
[88]
[108]
[150]
130
180
250
130
180
250
[7.93]
[10.98]
[15.25]
500
500
500
3100
2600
2300
3400
2850
2500
3700
3150
3750
2.07
2.87
3.97
[1260]
[1750]
[2433]
88
136
154
[195]
[300]
[340]
19
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