HYDRAULIC SYSTEM
CYLINDER GPWORK TOOLS
BUCKET GPHYDRAULIC SYSTEM
CYLINDER GPIMPLEMENTS
STABILIZER GPHYDRAULIC SYSTEM
CYLINDER GP#UEG0042S0020
7K-0458: ACTUATING CYLINDER GROUP
7K458 ACTUATING CYLINDER GROUP--3.50" Bore x 32.60" Stroke
Effective with Serial No. 23J733
Part of Dipper shown on Page 9
Effective with Serial No. 23J733
Part of Dipper shown on Page 9
Parts for your D4 BACKHOE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 6K-3547 | [2] | PISTON | |
| 2. | 6K-3545 | [1] | ROD ASSEM. | |
| 3. | 3B-8488 | [1] | FITTING | |
| 4. | 6K-3540 | [2] | BEARING | |
| (Part of 6K3545 Rod Assem.) | ||||
| 5. | 1K-6979 | [1] | SET SCREW | |
| 6. | 1B-4427 | [1] | NUT | |
| 7. | 6K-3544 | [1] | NUT | |
| 8. | 6K-3546 | [1] | CARTRIDGE ASSEM. | |
| 9. | 6K-3543 | [1] | WASHER (.030" Thick) | |
| 6K-3542 | [1] | WASHER | ||
| 10. | 4D-1736 | [1] | RING | |
| 11. | 2K-0512 | [1] | NUT | |
| 12. | 7K-0459 | [1] | BARREL ASSEM. | |
| 13. | 3B-8489 | [1] | FITTING | |
| (Part of 7K459 Barrel Assem.) | ||||
| 6K-3579 H | [1] | KIT | ||
| (Consists of Ring, Packings and Seals for repair of Actuating Cylinder) | ||||
| H | NOT PART OF 7K458 CYLINDER GRO | |||
#UEG0042S0021
6K-3551: CROWD AND LIFT CYLINDER GROUP
6K3551 CROWD AND LIFT CYLINDER GROUP--3.90" Bore x 36.50" Stroke--2 Required
Serial No. 23J1 to 23J731 inclusive
Part of Boom and Dipper shown on Pages 8 and 9
Serial No. 23J1 to 23J731 inclusive
Part of Boom and Dipper shown on Pages 8 and 9
Parts for your D4 BACKHOE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 6K-3539 | [1] | BARREL ASSEM. | |
| 2. | 6K-3529 | [1] | BEARING | |
| 3. | 3B-8489 | [1] | FITTING | |
| (Parts of 6K3539 Barrel Assem.) | ||||
| 4. | [1] | ROD ASSEM. | ||
| 5. | 6K-3540 | [2] | BEARING | |
| 6. | 3B-8488 | [1] | FITTING | |
| (Parts of 6K3538 Rod Assem.) | ||||
| 7. | 6K-3537 | [1] | CARTRIDGE ASSEM. | |
| 8. | 6K-3534 | [1] | NUT | |
| 9. | 1K-6979 | [1] | SET SCREW | |
| 10. | 1B-4427 | [1] | NUT | |
| 11. | 6K-3532 | [1] | WASHER | |
| 12. | 6K-3530 | [1] | WASHER | |
| 13. | 6K-3531 | [1] | RING | |
| 14. | 6K-3536 | [2] | PISTON | |
| 6K-3578 | [1] | KIT (Crowd & Lift Cylinder) | ||
| (Consists of Packing Assem., Packing, Ring and Seals) | ||||
#UEG0042S0022
7K-0437: CROWD AND LIFT CYLINDER GROUP
7K437 CROWD AND LIFT CYLINDER GROUP--4" Bore x 36.50" Stroke--2 Required
Effective with Serial No. 23J732
Part of Boom and Dipper shown on Pages 8 and 9
Effective with Serial No. 23J732
Part of Boom and Dipper shown on Pages 8 and 9
Parts for your D4 BACKHOE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 7K-0436 | [1] | BARREL ASSEM. | |
| 2. | 6K-3529 | [1] | BEARING | |
| 3. | 3B-8489 | [1] | FITTING | |
| (Parts of 7K436 Barrel Assem.) | ||||
| 4. | 6K-3538 | [1] | ROD ASSEM. | |
| 5. | 6K-3540 | [2] | BEARING | |
| 6. | 3B-8488 | [1] | FITTING | |
| (Parts of 6K3538 Rod Assem.) | ||||
| 7. | 6K-3537 | [1] | CARTRIDGE ASSEM. | |
| 8. | 6K-3534 | [1] | NUT | |
| 9. | 1K-6979 | [1] | SET SCREW | |
| 10. | 1B-4427 | [1] | NUT | |
| 11. | 6K-3532 | [1] | WASHER | |
| 12. | 6K-3530 | [1] | WASHER | |
| 13. | 6K-3531 | [1] | RING | |
| 14. | 6K-3536 | [2] | PISTON | |
| 15. | 2K-0512 | [1] | NUT | |
| 6K-3578 | [1] | KIT (Crowd & Lift Cylinder) | ||
| (Consists of Packing Assem., Packing, Ring and Seals) | ||||
#UEG0042S0023
6K-3652: BUCKET ASSEMBLY
6K3652 BUCKET ASSEMBLY--24" Wide
Part of Dipper shown on Page 9
Part of Dipper shown on Page 9
#UEG0042S0024
6K-8522: BUCKET ASSEMBLY
6K8522 BUCKET ASSEMBLY--12" Wide
AN ATTACHMENT
AN ATTACHMENT
#UEG0042S0025
6K-8523: BUCKET ASSEMBLY
6K8523 BUCKET ASSEMBLY--18" Wide
AN ATTACHMENT
AN ATTACHMENT
#UEG0042S0026
6K-8524: BUCKET ASSEMBLY
6K8524 BUCKET ASSEMBLY--30" Wide
AN ATTACHMENT
AN ATTACHMENT
#UEG0042S0027
6K-3583: SWING CYLINDER GROUP
6K3583 SWING CYLINDER GROUP--3.90" Bore x 12.90" Stroke
Part of D4, 922 and 944 Backhoe shown on Page 6
Part of D4, 922 and 944 Backhoe shown on Page 6
Parts for your D4 BACKHOE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 2S-0680 | [1] | NUT | |
| 2. | 6K-3536 | [1] | PISTON | |
| 3. | 6K-3548 | [1] | PISTON | |
| 4. | 6K-3581 | [1] | BARREL ASSEM. | |
| 5. | 3B-8489 | [1] | FITTING | |
| (Part of 6K3581 Barrel Assem.) | ||||
| 6. | 1B-4427 | [1] | NUT | |
| 7. | 1K-6979 | [1] | SET SCREW | |
| 8. | 6K-3600 | [1] | CARTRIDGE ASSEM. | |
| 9. | [1] | BEARING | ||
| 10. | [1] | SEAL | ||
| (Parts of 6K3600 Cartridge Assem.) | ||||
| 11. | 6K-3582 | [1] | ROD ASSEM. | |
| 12. | 3B-8489 | [1] | FITTING | |
| 13. | 6K-9822 | [2] | BEARING | |
| 14. | 6K-6665 | [1] | SPACER | |
| (Parts of 6K3582 Rod Assem.) | ||||
| 15. | 6K-3534 | [1] | NUT | |
| The following repair kit is available: | ||||
| 6K-3650 | [1] | KIT (Swing Cylinder) | ||
| (Consists of Packing Assembly, Seals and Rings) | ||||
#UEG0042S0028
STABILIZER
STABILIZER
Serial No. 23J1 to 23J726 inclusive
Part of D4, 922 and 944 Backhoe shown on Page 6
6K3561 Cylinder Group parts are shown on Page 19
Serial No. 23J1 to 23J726 inclusive
Part of D4, 922 and 944 Backhoe shown on Page 6
6K3561 Cylinder Group parts are shown on Page 19
Parts for your D4 BACKHOE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 6K-3631 | [10] | RING | |
| 2. | 6K-3589 | [2] | PIN | |
| 3. | 6K-3561 Y | [2] | STABILIZER CYLINDER GROUP | |
| (See Separate Illustration) | ||||
| 4. | 6K-3588 | [2] | PIN | |
| 5. | 6K-3664 | [2] | CHAIN ASSEM. | |
| 6. | 6K-3580 | [2] | FOOTPLATE ASSEM. | |
| 7. | 3B-8489 | [13] | FITTING | |
| 8. | 6K-3587 | [2] | PIN | |
| 9. | 6K-3568 | [2] | STABILIZER ASSEM. | |
| 10. | 6K-3586 | [2] | PIN | |
| 11. | 3B-4617 | [2] | COTTER PIN | |
| 12. | 2J-3758 | [2] | PIN | |
| Y | SEPARATE ILLUSTRATION | |||
#UEG0042S0029
STABILIZER
STABILIZER
Effective with Serial No. 23J727
Part of D4, 922 and 944 Backhoe shown on Page 6
7K850 Cylinder Group parts are shown on Page 20
Effective with Serial No. 23J727
Part of D4, 922 and 944 Backhoe shown on Page 6
7K850 Cylinder Group parts are shown on Page 20
Parts for your D4 BACKHOE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 6K-3631 | [10] | RING | |
| 2. | 6K-3589 | [2] | PIN | |
| 3. | 7K-0850 YC | [2] | STABILIZER CYLINDER GROUP | |
| (See Separate Illustration) | ||||
| 4. | 6K-3588 | [2] | PIN | |
| 5. | 6K-3664 | [2] | CHAIN ASSEM. | |
| 6. | 6K-3580 | [2] | FOOTPLATE ASSEM. | |
| 7. | 3B-8489 C | [6] | FITTING | |
| 8. | 7K-0851 C | [2] | PIN | |
| 9. | 6K-3568 | [2] | STABILIZER ASSEM. | |
| 10. | 6K-3586 | [2] | PIN | |
| 11. | 3B-4617 | [2] | COTTER PIN | |
| 12. | 2J-3758 | [2] | PIN | |
| C | INDICATES CHANGE FROM PREVIOUS | |||
| Y | SEPARATE ILLUSTRATION | |||


