LUBRICATION SYSTEM
PUMP GP-ENGINE OILLINES GP-ENGINE OIL
HYDRAULIC SYSTEM
FILTER GPLUBRICATION SYSTEM
FILLER GP-ENGINE OILHYDRAULIC SYSTEM
FILTER GPLUBRICATION SYSTEM
FILLER GP-ENGINE OILBREATHER GP
LUBRICATION SYSTEM
PUMP GP-ENGINE OIL#HEBP10780050
2P-1784: PUMP GP-ENGINE OIL
2P1784 OIL PUMP GROUP
Serial No. 48V1284 to 48V14664 inclusive
2P1785 Pump parts are shown on Page 30
Serial No. 48V1284 to 48V14664 inclusive
2P1785 Pump parts are shown on Page 30
Parts for your D4D TRACK-TYPE TRACTOR:
CATERPILLAR SIS#HEBP10780051
2P-1784: PUMP GP-ENGINE OIL
2P1784 OIL PUMP GROUP
Serial No. 48V14665-Up
2P1785 Pump parts are shown on Page 30
Serial No. 48V14665-Up
2P1785 Pump parts are shown on Page 30
Parts for your D4D TRACK-TYPE TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 1A-2029 | [2] | BOLT | |
| 8M-7587 | [2] | LOCK | ||
| 2. | 0S-1619 C | [1] | BOLT | |
| 3. | 4N-5353 | [1] | ELBOW | |
| 2P-8746 | [1] | GASKET | ||
| 4. | 0S-1590 C | [4] | BOLT | |
| 5. | 2P-1785 RY | [1] | PUMP GROUP | |
| 6. | 8S-0497 C | [1] | GEAR (40 teeth) | |
| 7. | 8M-5599 C | [1] | KEY | |
| 8. | 1P-7346 C | [1] | WASHER | |
| 9. | 5M-2894 C | [2] | WASHER | |
| R | REMFG PART MAY BE AVAILABLE | |||
| Y | SEPARATE ILLUSTRATION | |||
| C | INDICATES CHANGE | |||
#HEBP10780052
2P-1785: PUMP GP-ENGINE OIL
2P1785 OIL PUMP GROUP
Engine Serial No. 48V12848 to 48V28721 and 48V28770-Up
Part of 2P1784 Oil Pump Group shown on Page 29
Engine Serial No. 48V12848 to 48V28721 and 48V28770-Up
Part of 2P1784 Oil Pump Group shown on Page 29
Parts for your D4D TRACK-TYPE TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 2P-0685 | [1] | BODY ASSEM. | |
| 2. | 2P-1170 | [1] | SHAFT ASSEM. | |
| 3. | 4B-9782 C | [1] | BALL | |
| 4. | 4B-9880 | [1] | BALL | |
| 5. | 1F-1006 | [1] | DOWEL | |
| 6. | 1M-3735 | [2] | DOWEL | |
| 7. | 8S-6511 | [2] | BEARING | |
| 8. | 4N-8385 C | [1] | VALVE ASSEM. | |
| 9. | 1B-9575 | [1] | BOLT | |
| 10. | 4N-3732 | [1] | COVER | |
| 11. | 6N-1036 C | [2] | GEAR | |
| 12. | 2P-3211 | [3] | BOLT | |
| 13. | 8S-0493 C | [1] | SHAFT ASSEM. | |
| 14. | 2P-6245 | [1] | SHAFT ASSEM. | |
| 15. | 6A-7802 | [1] | BODY ASSEM. | |
| 4N-4055 | [1] | BODY ASSEM. | ||
| 16. | 8S-6511 | [2] | BEARING | |
| 17. | 2P-0681 | [1] | BODY ASSEM. | |
| 18. | 8S-6511 | [2] | BEARING | |
| 19. | 1B-8709 | [1] | KEY | |
| 20. | 2P-1781 | [1] | SPACER | |
| C | INDICATES CHANGE | |||
#HEBP10780053
2P-1785: PUMP GP-ENGINE OIL
2P1785 OIL PUMP GROUP
Engine Serial No. 48V28722 to 48V28769 inclusive
Part of 2P1784 Oil Pump Group shown on Page 29
Engine Serial No. 48V28722 to 48V28769 inclusive
Part of 2P1784 Oil Pump Group shown on Page 29
Parts for your D4D TRACK-TYPE TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 2P-0685 | [1] | BODY ASSEM. | |
| 2. | 5C-5149 C | [1] | SHAFT ASSEM. | |
| 3. | 4B-9782 | [1] | BALL | |
| 4. | 4B-9880 | [1] | BALL | |
| 5. | 1F-1006 | [1] | DOWEL | |
| 6. | 1M-3735 | [2] | DOWEL | |
| 7. | 8S-6511 | [2] | BEARING | |
| 8. | 4N-8385 | [1] | VALVE ASSEM. | |
| 9. | 1B-9575 | [1] | BOLT | |
| 10. | 4N-3732 | [1] | COVER | |
| 11. | 6N-1036 | [2] | GEAR | |
| 12. | 2P-3211 | [3] | BOLT | |
| 13. | 8S-0493 | [1] | SHAFT ASSEM. | |
| 14. | 2P-6245 | [1] | SHAFT ASSEM. | |
| 15. | 6A-7802 | [1] | BODY ASSEM. | |
| 4N-4055 | [1] | BODY ASSEM. | ||
| 16. | 8S-6511 | [2] | BEARING | |
| 17. | 2P-0681 | [1] | BODY ASSEM. | |
| 18. | 8S-6511 | [2] | BEARING | |
| 19. | 1B-8709 | [1] | KEY | |
| 20. | 2P-1781 | [1] | SPACER | |
| C | INDICATES CHANGE | |||
#HEBP10780054
2P-6513: LINES GP-ENGINE OIL
2P6513 OIL LINES GROUP
Parts for your D4D TRACK-TYPE TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 1A-2029 | [1] | BOLT (3/8-16X1.125-IN) | |
| 2. | 2M-5407 | [1] | GASKET | |
| 3. | 114-2687 | [3] | SEAL-O-RING | |
| 4. | 4L-3641 | [1] | CLIP | |
| 5. | 0S-1571 | [1] | BOLT (3/8-16X1.75-IN) | |
| 6. | 0S-1594 | [3] | BOLT (3/8-16X1-IN) | |
| 7. | 8N-7318 | [1] | TUBE AS-INLET | |
| 8. | 5M-6213 | [1] | PLUG | |
| 9. | 7F-7590 | [1] | GASKET | |
| 10. | 4F-0029 | [1] | BOLT | |
| 11. | 7M-4593 | [4] | PLUG | |
| 12. | 2P-0744 | [1] | TUBE AS-PUMP | |
| 13. | 2P-1776 | [1] | BELL AS-SUCTION | |
| 14. | 8S-8874 | [1] | LOCK-NUT | |
| 15. | 8M-0904 | [1] | GASKET | |
| 16. | 0L-2070 | [1] | BOLT (3/8-16X2.25-IN) | |
| 17. | 8N-7315 | [1] | TUBE AS-OUTLET | |
| 18. | 0L-0364 | [1] | LOCK | |
| 19. | 5M-2894 | [1] | WASHER (2.5MM-THK) | |
| 1L-5081 | [1] | SPACER (9/16-IN THK) |
#HEBP10780055
2P-6525: FILTER GP-OIL
2P6525 OIL FILTER GROUP
Engine Serial No. 48V12848 to 48V34545 inclusive
Engine Serial No. 48V12848 to 48V34545 inclusive
Parts for your D4D TRACK-TYPE TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 0S-1618 | [4] | BOLT | |
| 2. | 9M-1974 | [8] | WASHER | |
| 3. | 2P-0682 | [1] | BASE ASSEM. | |
| 3L-1850 | [1] | PLUG (.50 in. Thread) | ||
| 4. | 1B-5174 | [3] | PLUG (.75 in. Thread) | |
| 5. | 4N-8207 C | [2] | GASKET | |
| 6. | 8M-3182 | [1] | SPRING | |
| 7. | 1P-1367 C | [1] | PLUNGER | |
| 8. | 6B-0830 | [2] | COVER | |
| 9. | 2P-2537 | [1] | STUD | |
| 10. | 2P-4004 | [1] | FILTER ASSEM. | |
| 11. | 1D-4540 | [1] | BOLT (2.75 in. long) | |
| 12. | 1A-9579 | [3] | BOLT (1.50 in. long) | |
| C | INDICATES CHANGE | |||
#HEBP10780056
2P-6855: FILLER GP-OIL
2P6855 OIL FILLER GROUP
#HEBP10780057
2P-6525: FILTER GP-OIL
2P6525 OIL FILTER GROUP
Engine Serial No. 48V34546-Up
Engine Serial No. 48V34546-Up
Parts for your D4D TRACK-TYPE TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 0S-1618 | [4] | BOLT | |
| 2. | 9M-1974 | [8] | WASHER | |
| 3. | 1P-6448 C | [1] | BASE ASSEM. | |
| (Includes) | ||||
| 4. | 1B-5174 | [3] | PLUG- 1.91 cm(.75 in.) thread | |
| 5. | 3L-1850 | [1] | PLUG -1.27 cm(.50 in.) thread | |
| 6. | 7H-3171 | [1] | PLUG | |
| 7. | 1P-1367 | [1] | PLUNGER | |
| 8. | 6B-0830 | [2] | COVER | |
| 9. | 2P-2537 | [1] | STUD | |
| 10. | 2P-4004 | [1] | FILTER ASSEM. | |
| 11. | 1D-4540 | [1] | BOLT- 6.99 cm(2.75 in.) long | |
| 12. | 1A-9579 | [3] | BOLT- 3.81 cm(1.50 in.) long | |
| 13. | 8M-4432 C | [2] | SEAL | |
| 14. | 4N-8207 | [2] | GASKET | |
| 15. | 8M-3182 | [1] | SPRING | |
| C | INDICATES CHANGE | |||
#HEBP10780058
2P-6854: FILLER GP-OIL
2P6854 PROTECTION COVER GROUP--Oil Filler
AN ATTACHMENT
AN ATTACHMENT
Parts for your D4D TRACK-TYPE TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 2P-2720 | [1] | GASKET | |
| 2. | 0S-1588 C | [2] | BOLT | |
| 3. | 2P-2721 | [1] | PIPE ASSEM. | |
| 2P-2719 | [1] | PIPE | ||
| 4. | 8S-4212 | [1] | RIVET | |
| 5. | 2P-2717 | [1] | HASP | |
| 6. | 6N-2985 C | [1] | CAP ASSEM. | |
| 7. | 5M-2894 C | [2] | WASHER | |
| 8S-7949 H | PADLOCK GROUP | |||
| (Includes) | ||||
| 8M-0439 | [2] | KEY | ||
| (May Be Obtained From Parts Department | ||||
| C | INDICATES CHANGE | |||
| H | NOT PART OF 2P6854 OIL FILLER | |||
#HEBP10780059
1P-4244: BREATHER GP
1P4244 BREATHER GROUP
Parts for your D4D TRACK-TYPE TRACTOR:
CATERPILLAR SISInformation:
LUBRICATION SYSTEM
PUMP GP-ENGINE OIL
Specifications
Reuse And Salvage Guidelines
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 4, 5, and 6) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 4, 5, and 6) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 4, 5, and 6) {5061, 5073}
Information Release Memo
Disassembly and Assembly
Service Magazine
Caterpillar Parts SIS Catalog D4D :
Truck sale:
CATERPILLAR D4D 1966
- TRACK TYPE TRACTORS
MICHIGAN CAT
US (Mid, North), Canada, ON West: John Kinney; US (NE, SE, SW), Canada QU East, AUS: Bill Dowd;
- TRACK TYPE TRACTORS
MICHIGAN CAT
US (Mid, North), Canada, ON West: John Kinney; US (NE, SE, SW), Canada QU East, AUS: Bill Dowd;
CATERPILLAR D4D 1973
- TRACK TYPE TRACTORS
MICHIGAN CAT
US (Mid, North), Canada, ON West: John Kinney; US (NE, SE, SW), Canada QU East, AUS: Bill Dowd;
- TRACK TYPE TRACTORS
MICHIGAN CAT
US (Mid, North), Canada, ON West: John Kinney; US (NE, SE, SW), Canada QU East, AUS: Bill Dowd;



