793F AC Off-Highway Truck Hydraulic and Braking System Caterpillar


Gear Pump (Brake, Hoist)

Usage:

793F AC EMD



Illustration 1g03469896

Front view




Illustration 2g03469956

(A) Suction side

(B) Discharge side

Table 1
Specification for 310-4846 Gear Pump Gp and 390-6120 Gear Pump Gp    
Item     Qty     Part     Specification Description    
1     8     6B-6683 Nut     Torque to 302 ± 4 N·m (223 ± 3 lb ft).    
-     -     Clockwise rotation (front, center, and rear)    
-     -     Displacement front is
221.4 cc (13.5 cubic inch)
Displacement center is
221.4 cc (13.5 cubic inch)
Displacement rear is
70 cc (4.3 cubic inch)    
-     -     Maximum pressure front is
20700 kPa (3002 psi)
Maximum pressure center is
20700 kPa (3002 psi)
Maximum pressure rear is
27500 kPa (3989 psi)    
-     -     Maximum speed front is 2500 rpm
Maximum speed center is 2500 rpm
Maximum speed rear is 3000 rpm    

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