GASKET KIT- 6V9920 - Caterpillar

Rear Axle Tests
Rear Axle Test 1
Table 6
Engine at LOW IDLE, Pump Drive Diverter "OFF", Final Drive Bypass "ON"    
TEST     SPECS     ACTUAL    
Differential Temperature    
85 ° to 135 °C (185 ° to 275 °F)        
Engine RPM     700 10        
Rear Axle Pump Drive Pressure     <
13780 kPa (2000 psi)        
Differential Oil Filter Pressure    
62 to 380 kPa (9 to 55 psi)        
Final Drive Oil Filter Pressure    
28 to 90 kPa (4 to 13 psi)        Rear Axle Test 2
Table 7
Engine at HIGH IDLE, Pump Drive Diverter "OFF", Final Drive Bypass "ON"    
TEST     SPECS     ACTUAL    
Differential Temperature    
85 ° to 135 °C (185 ° to 275 °F)        
Engine RPM     1950 20        
Rear Axle Pump Drive Pressure     <
13780 kPa (2000 psi)        
Differential Oil Filter Pressure    
520 to 1100 kPa (75 to 160 psi)        
Final Drive Oil Filter Pressure    
95 to 200 kPa (14 to 29 psi)        Rear Axle Test 3
Table 8
Engine at LOW IDLE, Pump Drive Diverter "OFF", Final Drive Bypass "OFF"    
TEST     SPECS     ACTUAL    
Differential Temperature    
85 ° to 135 °C (185 ° to 275 °F)        
Engine RPM     700 10        
Rear Axle Pump Drive Pressure     <
13780 kPa (2000 psi)        
Differential Oil Filter Pressure    
90 to 370 kPa (13 to 54 psi)        
Final Drive Oil Filter Pressure    
62 to 500 kPa (9 to 72 psi)        Rear Axle Test 4
Table 9
Engine at LOW IDLE, Pump Drive Diverter "ON", Final Drive Bypass "ON"    
TEST     SPECS     ACTUAL    
Differential Temperature    
85 ° to 135 °C (185 ° to 275 °F)        
Engine RPM     700 10        
Rear Axle Pump Drive Pressure     Residual Pressure Only        
Differential Oil Filter Pressure    
0 to 14 kPa (0 to 2 psi)        
Final Drive Oil Filter Pressure    
0 to 14 kPa (0 to 2 psi)