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Specifications
Item
Piston Pump (Hydrostat)
Charge Pressure
Maximum Displacement
Traction Circuit Relief Pressure (Forward Only)
Tandem Gear Pump
Maximum Displacement Section 1 (P1 − mow)
Maximum Displacement Section 2 (P2 − steering & lift)
Wheel Motors (see note)
Front Wheel Motor Displacement
Rear Wheel Motor Displacement
Mow Circuit Relief Pressures
Front Cutting Units (PRV)
Rear Cutting Units (RV)
Lift Circuit Relief Pressure (RV1)
Cutting Unit Motors (Reelmaster 3550−D & 3555−D)
Displacement (5 in. Reels)
Cutting Unit Motors (Reelmaster 3575−D)
Displacement (7 in. Reels)
Cross Over Relief Valve Pressure
Steering Control Valve
Displacement
Relief Valve Pressure
Hydraulic Filters
In−line Suction Strainer
Hydraulic Tank Capacity
Hydraulic Fluid
NOTE: The three wheel motors are similar in construction with only minor differences. The right front wheel motor and rear wheel motor have a
reverse timed manifold, and the front left wheel motor does not. The end cover of the rear motor has a check valve consisting of a ball and spring,
and both front motors lack this feature.
Hydraulic System
2 section positive displacement gear type pump
Page 4 − 2
Variable displacement piston pump
Specification:100 to 150 PSI (6.9 to 10.3 bar)
Tested: 150 to 200 PSI (10.3 to 13.8 bar)
3
1.44 in
/rev (23.6 cc/rev)
3500 PSI (241 bar)
3
0.58 in
/rev (9.45 cc/rev)
3
0.33 in
/rev (5.34 cc/rev)
Orbital geroller motor
3
12.0 in
/rev (195 cc/rev)
24.7 in
3000 PSI (207 bar)
1500 PSI (103 bar)
Lower: 500 PSI (34.5 bar)
Raise: 1000 PSI (69 bar)
3
0.73 in
/rev (11.96 cc/rev)
3
0.97 in
/rev (15.89 cc/rev)
1450 PSI (100 bar)
Distributor valve with rotary meter
3
6.1 in
/rev (100 cc/rev)
1000 PSI (69 bar)
10 Micron, spin−on cartridge type
100 mesh (in tank)
6 U.S. Gallons (22.6 Liters)
See Traction Unit Operator's Manual
Reelmaster 3550−D/3555−D/3575−D
Description
3
(405 cc)
Gear motor
Gear motor
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