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SENR9499-01 February 2001
D6R Track-Type Tractor Hydraulics 4FM1-Up (Machine) 8TM1-Up (Machine) 9BM1-Up (Machine) 3ZN1-Up (Machine) 5LN1-Up (Machine) 7KN1-Up (Machine) 9MN1-Up (Machine) 9PN1-Up (Machine) DMP1-Up (Machine) 4TR1-Up (Machine) 5PR1-Up (Machine) 5RR1-Up (Machine) 7DR1-Up (Machine) 7GR1-Up (Machine) 1RW1-Up (Machine) Differential Steering © 2001Caterpillar All Rights Reserved
Printed in U.S.A.
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HYDRAULIC SYSTEM COMPONENTS No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 A B C
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A
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B C
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D81514
Description Main Relief Valve Group Charging Valve Group Quick-Drop Valve Group Bulldozer Lift Cylinder Group Rod End of Cylinder Head End of Cylinder Counterbalance Valve Group Steering Motor Group Cooler Bypass Valve Group Pump Group Cooling Circuit Implement and Steering Pump Group Case Drain Filter Group Baffle Return Filter Hydraulic Tank and Filter Group Breather Valve Group Bulldozer Dual Tilt Cylinder Group (optional) Bulldozer Tilt CylinderGroup (optional) Ripper Lift Cylinder Group End Cover Ripper Lift Control Valve Bulldozer Tilt Valve Group Bulldozer Lift Valve Group Steering Valve Group Signal Pressure Margin Pressure System Pressure