D3 D4 D5

RENR7316-01 September 2003

D3G, D4G, and D5G HYSTAT Track-Type Tractors Hydraulic System D3G:

D4G:

D5G:

JMH1-UP

HYD1-UP

WGB1-UP

BYR1-UP

TLX1-UP

RKG1-UP

© 2003Caterpillar   All Rights Reserved

Printed in U.S.A.

Hydraulic Schematic 213-6413 MAINCONNECTORLINE PILOTLINE DRAINLINE

29

11

17

1 2 2

3

4

3

45

4 5

43 44 45 18 9 7

8

(P0RT8) (PORT7) (PORT5) (PORT3) (PORT1) (PORT4) (PORT2) (PORT6) (PORT9) (PORT10)

6 10

P (4)

4

3

2

1

11

16

14

T

15

(P) (2)

17

42

13

(Y)

BRAKE

20 (DA)

(FS)

16

12

F/S

19

(B)

42

14

28

21 15

19 X

U

T

3132 3 3 3 4 3 5 3 6 3 7 3 8 3 9 4 0 4 1

MI B

20

24 18 7

A

T

21

1

6 8

G

25 5

9

30 22

23

10

1213

2627 22

25 23

29

24

27

26

31 32

34

33

28 36

STANDARDCOMPONENTS Item No.

30 B

      A

B

      A

35 41

37 45        M

LS

P

43

44

     T

38

39

40

Component

1 2

HydraulicTankBreather 

3 4 5

Piston Motor (Left)

6 7

HydraulicTank

8 9 10 11 12 13 14 15

Parking Brake OilPressure Sensor 

Manifold (Brake and Override) Remote Pressure Taps

Winch (If Equipped) ControlValve (Brake and Freespool) Pilot Control(Winch)(If Equipped) Strainer  Angle Cylinder (Left) Shuttle Valve (Winch)(If Equipped) BallValve (Winch)(If Equipped) ReturnManifold SuctionManifold

16 17 18

Tilt Cylinder 

19 20 21

Lift Cylinder (Right)

Lift Cylinder (Left) HydraulicOilCooler 

Gear Pump Double Piston Pump

Note:Broken Lines Represent an Attachment Circuit

Item No.

Component

22 23

Piston Motor (Winch)(If Equipped)

24 25 26 27 28 29 30 31 32 33 34

Filter Group (Winch)(If Equipped)

35 36 37 38 39 40 41 42

Flow ControlValve (Winch)(If Equipped)

Piston Pump (Winch)(If Equipped) Filter Group (Right Loop) Filter Group (Left Loop) AngleCylinder(Right) Ripper Cylinders (If Equipped) Piston Motor (Right) Line Relief Valve (Ripper)(If Equipped) CheckValve(Make-up) Check Valve (Make-up)(If Equipped) Bank Valve Manifold Main Relief Valve Ripper ControlValve (If Equipped) Angle ControlValve Lift ControlValve Tilt ControlValve Inlet/OutletManifold OilCooler Bypass/Motor Bearing Bypass

43

Grade ControlValve (Tilt)(If Equipped)

44 45

Grade ControlValve (Lift)(If Equipped) CounterbalanceValve(GradeSystem) (If Equipped)