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