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2P1784 OIL PUMP GROUP Serial No. 48V1284 to 48V14664 inclusive 2P1785 Pump parts are shown on Page 30 D4D


LUBRICATION SYSTEM
PUMP GP-ENGINE OIL
LINES GP-ENGINE OIL
HYDRAULIC SYSTEM
FILTER GP
LUBRICATION SYSTEM
FILLER GP-ENGINE OIL
HYDRAULIC SYSTEM
FILTER GP
LUBRICATION SYSTEM
FILLER GP-ENGINE OIL
BREATHER 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
c144478 HEBP1078
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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. 2P-3210 [1] BOLT  
3. 4N-5353 [1] ELBOW  
  2P-8746 [1] GASKET  
4. 2P-3206 [3] BOLT  
5. 2P-1785 RY [1] PUMP GROUP  
    (Separate Illustration)
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#HEBP10780051
 

2P-1784: PUMP GP-ENGINE OIL

2P1784 OIL PUMP GROUP
Serial No. 48V14665-Up
2P1785 Pump parts are shown on Page 30
c231524 HEBP1078
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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
c209754 HEBP1078
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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
c219206 HEBP1078
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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
c216601 HEBP1078
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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
c200720 HEBP1078
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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
c216713 HEBP1078
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Parts for your D4D TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-2720 [1] GASKET  
2. 1A-2029 C [2] BOLT  
3. 9M-5732 [1] RIVET-POP  
4. 6N-2985 C [1] CAP AS-FILLER  
5. 2P-2719 [1] PIPE-OIL FILLER  
6. 2A-3211 [1] WASHER  
7. 5M-2894 C [2] WASHER  
  C   CHANGE FROM PREVIOUS TYPE
 

#HEBP10780057
 

2P-6525: FILTER GP-OIL

2P6525 OIL FILTER GROUP
Engine Serial No. 48V34546-Up
c220001 HEBP1078
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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
c212537 HEBP1078
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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
c227531 HEBP1078
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Parts for your D4D TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3H-3243 [1] BOLT  
2. 4K-9890 [1] WASHER  
3. 8S-0248 [1] BREATHER ASSEM.  
4. 4L-9564 C [1] SEAL  
  C   INDICATES CHANGE
 

Information:

Specifications
Oil Pump
3304 VEHICULAR ENGINE
Engine Oil Pressure
3304 VEHICULAR ENGINE
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}
Information Release Memo
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
Disassembly and Assembly
Oil Pump
D4 TRACTOR ENGINE
Service Magazine

Caterpillar Parts SIS Catalog D4D :

Truck sale:

14,000 
Caterpillar D4D, Construction
- Dozers
MICHIGAN CAT
 
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;
 
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;
USD $39,016 
CAT D4D

Hydraulics & Tractors Service Pty Ltd
Dubbo, NSW, Australia
USD $18,900 
CAT D4D

DRC Ranch
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