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6/68
General
Displace-
Motor type
ment
44-03300
44-04700
44-06800
44-09200
64-11100
64-13500
64-16300
84-14800
84-17900
1 096
84-21300
1 304
84-25100
1 531
84-38000
2 320
84-22300
1 361
84-33800
2 064
84-25100
1 531
84-38000
2 319
84-25100
1 531
84-38000
2 319
*
Related to a required charge pressure of 12 bar (175 psi) for motors in braking mode. Special considerations regarding charge
pressure, cooling and choice of hydraulic system for speeds above rated.
**
Theoretical value
*** The motors are designed according to DNV-rules. Test pressure 70 bar (1000 psi) above max. pressure. Peak/transient pressure
70 bar (1000 psi) above max. pressure is allowed to occur 10000 times.
Bosch Rexroth Mellansel AB, Intallation and maintenance manual, Hägglunds VI, RE 15310-WA/10.2015
Full displacement
Specific
Rated
torque**
speed*
V
T
n
i
s
203
2 695
100
287
3 814
100
414
5 492
90
564
7 475
80
676
8 971
70
823
10 935
60
997
13 227
50
906
12 017
55
14 546
55
17 292
55
20 306
55
30 756
40
18 048
55
27 339
35
20 306
40
30 756
25
20 306
40
30 756
25
Quantity
Displacement
Specific torque
Speed
Pressure
1.3 Functional description
The Hägglunds VI motors are of radial piston type with rotating case. The case
is supported on the stationary cylinder block (5) by two main bearings. An even
number of radially positioned pistons (3) work in cylinder bores in the cy linder
block, which also houses the inlet and o ut let ports (A and C). Each piston is coupled
by a piston rod (2) to a cross head pin (6) upon which four cam rollers (7) are
mounted. The two inner cam rollers press against the cam ring (8) while the two
outer rollers work with in their respective guide plates (1). The cam ring is anchored
to the rotating case. The distributor (4) directs the input oil to the pistons during
their work strokes and re turns the exhausted oil back to the tank. The distributor is
coupled to the rotating case via a safety coupling (9).
The motor can be connected to a driven machine via two mounting surfaces on the
rear end of the motor.
Max.***
Max.
Displace-
pressure
Speed
ment
n
p
V
200
4 650
101
200
4 650
144
170
4 650
207
145
4 650
282
120
4 650
338
110
3 600
411
100
3 600
499
90
4 650
85
4 650
80
4 650
75
4 650
60
3 600
55
4 650
680
35
3 600
1 031
55
3 600
510
35
3 600
773
55
3 600
1 021
35
3 600
1 546
Symbol
V
=
i
T
=
s
n =
p =
Displacement shift
Specific
Rated
torque**
speed*
T
n
i
s
1 347
100
1 907
100
2 746
90
3 738
80
4 485
70
5 467
60
6 613
50
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
9 024
60
13 669
50
6 769
45
10 252
35
13 537
45
20 504
35
Metric
cm
3
/rev
Nm/bar
rpm
bar
Max.
Ratio
speed
n
200
1:2
200
1:2
170
1:2
145
1:2
120
1:2
110
1:2
100
1:2
–
–
–
–
–
–
–
–
–
–
85
1:2
70
1:2
75
1:3
60
1:3
75
2:3
60
2:3
US
in
3
/rev
lbf·ft/1000 psi
rpm
psi
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