Parker Hannifin F11/F12 Motors

Fixed Displacement Bent-Axis Hydraulic Motors

The Parker Hannifin F11 / F12 are the well-proven, bent-axis, fixed displacement heavy-duty hydraulic motor series. They can be used in numerous applications on both open and closed loop circuits where high speed and extreme shaft loads are required The laminated piston ring offers important advantages such as low internal leakage and thermal shock resistance The unique piston locking, timing gear and bearing set up as well as the limited number of parts add up to a very robust design with long service life and proven reliability.

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Technical Data

 Frame Size F11 -5 -6 -10 -12 -14 -19
Max displacement cm3/rev 4.9 6.0 9.8 12.5 14.3 19.0
Operating pressure
max intermittent 1) (bar)
max continuous (bar)
420
350
420
350
420
350
420
350
420
350
420
350
Operating speed (rpm)
max intermittent 1)
max continuous
min continuous
14000
12800
50
11200
10200
50
11200
10200
50
10300
9400
50
9900
9000
50
8900
8100
50
Max pump self priming speed 2)
L or R function, max (rpm)
4600 4200 3900 3900 3500
Motor input flow
max intermittent 1) (l/min)
max continuous (l/min)
69
63
67
61
110
100
129
118
142
129
169
154
Main circuit tem 3)
max (°C)
min (°C)
80
-40
80
-40
80
-40
80
-40
80
-40
80
-40
Theo. torque at 100 bar (Nm) 7.8 9.5 15.6 19.8 22.7 30.2
Weight (kg) 4.7 7.5 7.5 8.2 8.3 11