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1298066 PUMP GP-PISTON AND GEAR S/N 2NS 00184-UP, 3FS 00344-UP PART OF 1318937-Page 185 1336717-Page 195.01 312B


HYDRAULIC SYSTEM
PUMP GP
VALVE GP
DRIVE GP
COUPLING GP
FILTER GP

EXCAVATOR 312B EXCAVATOR 2NS
 312B & 312B L TRACK-TYPE EXCAVATORS 2NS00001-UP (MACHINE) POWERED BY 3064 ENGINE XEBP7665 312B 2NS   (1996)

HYDRAULIC SYSTEM

PUMP GP
PUMP AND MOUNTING GP
118-9868 PUMP AND MOUNTING GP
PUMP AND MOUNTING GP
131-8937 PUMP AND MOUNTING GP
PUMP GP
119-5408 PUMP GP
PUMP GP
121-1504 PUMP GP
PUMP GP
129-7988 PUMP GP
PUMP GP
129-8066 PUMP GP
PUMP GP
129-8066 PUMP GP
PUMP GP
133-6717 PUMP GP
PUMP GP
133-6717 PUMP GP
PUMP GP
133-6729 PUMP GP
 

#XEBP76650290
 

129-8066: PUMP GP

1298066 PUMP GP-PISTON AND GEAR
S/N 2NS 00184-UP, 3FS 00344-UP
PART OF 1318937-Page 185
1336717-Page 195.01
h72463e XEBP7665
1298066 PUMP GP Parts scheme
  For full view, you need register

Parts for your 312B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 133-6717 Y [1] PUMP GP  
2. 8T-4121 [4] WASHER  
3. 8T-4136 [2] BOLT (L=25mm)  
4. 4I-1023 [1] PUMP GP  
4. 095-1663 [1] SEAL-O-RING (ID=54.50mm)  
6. 095-1711 [1] SEAL-O-RING (ID=84.40mm)  
7. 8T-4196 [2] BOLT (L=35mm)  
8. 126-2078 [1] PUMP GP  
  Y   SEE SEPARATE ILLUSTRATION
 

#XEBP76650291
 

133-6717: PUMP GP

1336717 PUMP GP-DOUBLE PISTON
S/N 2NS 1-00183, 3FS 1-00343
PART OF 1298066-Page 194
1297967-Page 192, 1336729-Page 196, 1336728-Page 198, 1336719-Page 200
h52031e XEBP7665
1336717 PUMP GP Parts scheme
  For full view, you need register

Parts for your 312B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 129-7967 Y [1] VALVE GP  
2. 133-6728 Y [1] VALVE GP  
3. 133-6729 Y [1] PUMP GP  
4. 5B-9304 [2] SCREW  
5. 133-6719 Y [1] DRIVE GP  
  Y   SEPARATE ILLUSTRATION
 

#XEBP76650292
 

133-6717: PUMP GP

1336717 PUMP GP-DOUBLE PISTON
S/N 2NS 00184-UP, 3FS 00344-UP
PART OF 1298066-Page 194
1297967-Page 192, 1336729-Page 196, 1336728-Page 198, 1697971-Page 200.01
h72465e XEBP7665
1336717 PUMP GP Parts scheme
  For full view, you need register

Parts for your 312B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 129-7967 Y [1] VALVE GP  
2. 133-6728 Y [1] VALVE GP  
3. 133-6729 Y [1] PUMP GP  
4. 5B-9304 [2] SCREW  
5. 169-7971 Y [1] DRIVE GP  
  Y   SEE SEPARATE ILLUSTRATION
 

#XEBP76650293
 

133-6729: PUMP GP

1336729 PUMP GP-HYDRAULIC
S/N 2NS 1-UP, 3FS 1-UP
PART OF 1336717-Page 195.01
h72467e XEBP7665
1336729 PUMP GP Parts scheme
  For full view, you need register

Parts for your 312B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5I-8749 [1] SHAFT  
2. 5I-8761 [1] COVER  
3. 095-1718 [2] SEAL-O-RING (ID=119.40mm)  
4. 095-0882 [4] PIN  
5. 095-1209 [4] NUT  
6. 5I-8760 [2] SUPPORT  
7. 095-1783 [2] RING  
8. 095-1584 [2] SEAL-O-RING (ID=15.80mm)  
9. 5I-8766 [2] PISTON  
10. 095-1698 [2] SEAL-O-RING (ID=29.40mm)  
11. 5I-8770 [2] RING  
12. 5I-8767 [2] STOPPER  
13. 095-1575 [18] SEAL-O-RING (ID=7.80mm)  
14. 095-1717 [2] SEAL-O-RING (ID=114.40mm)  
15. 5I-8772 [2] EYEBOLT  
16. 5I-8774 [2] SETSCREW  
17. 185-8979 [2] PISTON AS  
18. 5I-8782 [2] PIN AS  
19. 5I-8768 [2] STOPPER  
20. 5I-8773 [2] SETSCREW  
21. 5I-8750 [1] SHAFT  
22. 5I-8762 [1] COVER  
23. 5I-8818 [2] BEARING  
24. 8T-0269 [4] BOLT (L=20mm)  
25. 8T-6759 [15] PLUG  
26. 5I-8763 [2] BODY  
27. 129-7976 [2] RETAINER  
28. 5I-8765 [1] STOPPER  
29. 5I-8757 [18] SPRING  
30. 127-5976 [1] BARREL AS  
31. 5I-8816 [2] BEARING  
32. 133-6731 [1] GEAR (Z=32)  
33. 133-6730 [1] BLOCK  
34. 096-0014 [2] PIN  
35. 127-5975 [1] BARREL AS  
36. 5I-8755 [2] PLATE  
37. 5I-8759 [2] PLATE  
38. 5I-8781 [2] PLATE AS  
39. 095-1711 [2] SEAL-O-RING (ID=84.40mm)  
40. 6V-5683 [4] BOLT (L=16mm)  
41. 5I-8754 [4] SPACER  
42. 6V-5200 [2] RING  
43. 5I-8769 [1] SEAL  
44. 096-3150 [3] PLUG  
45. 095-1585 [4] SEAL-O-RING (ID=17.80mm)  
46. 5I-8775 [1] ADAPTER  
47. 102-2562 [8] BOLT (L=180mm)  
48. 095-1574 [1] SEAL-O-RING (ID=6.80mm)  
49. 095-1777 [1] RING  
50. 5I-8771 [1] SEAT  
51. 5H-1472 [1] BALL  
52. 095-1713 [1] SEAL-O-RING (ID=94.40mm)  
 

#XEBP76650294
 

133-6728: VALVE GP

1336728 VALVE GP-PRESS AND FLOW CMPNSTR
S/N 2NS 1-UP, 3FS 1-UP
PART OF 1336717-Page 195.01
h52033e XEBP7665
1336728 VALVE GP Parts scheme
  For full view, you need register

Parts for your 312B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3E-8025 [2] BOLT (L=50mm)  
2. 5I-8787 [1] LEVER AS  
3. 5I-8815 [1] PIN  
4. 5I-8789 [1] PLUG AS  
5. 5I-8814 [2] RING-RETAINING  
6. 095-1579 [2] SEAL-O-RING (ID=10.80mm)  
7. 5I-8790 [1] PLUG  
8. 5I-8788 [1] LEVER AS  
9. 5I-8786 [1] LEVER AS  
10. 5I-8802 [1] COVER  
11. 095-1586 [1] SEAL-O-RING (ID=19.80mm)  
12. 5I-8820 [1] SETSCREW  
13. 5C-7261 [2] NUT  
14. 095-1585 [1] SEAL-O-RING (ID=17.80mm)  
15. 5I-8806 [1] SPRING  
16. 5I-8804 [1] SEAT  
17. 095-1709 [1] SEAL-O-RING (ID=74.40mm)  
18. 5I-8803 [1] PISTON  
19. 095-1590 [1] SEAL-O-RING (ID=21.80mm)  
20. 095-1581 [1] SEAL-O-RING (ID=12.30mm)  
21. 129-7973 [1] SLEEVE  
22. 129-7974 [1] PIN  
23. 6V-8213 [2] BOLT (L=70mm)  
24. 8T-0269 [6] BOLT (L=20mm)  
25. 096-2323 [1] RING-RETAINING  
26. 8T-8442 [2] BOLT (L=30mm)  
27. 095-1578 [1] SEAL-O-RING (ID=9.80mm)  
28. 095-1575 [10] SEAL-O-RING (ID=7.80mm)  
29. 8T-6759 [6] PLUG  
30. 133-6778 [1] PLATE  
31. 1R-5396 [4] BOLT (L=35mm)  
32. 5I-8811 [1] SPRING  
33. 095-1696 [1] SEAL-O-RING (ID=24.40mm)  
34. 5I-8809 [1] SEAT  
35. 5I-8810 [1] SPRING  
36. 5I-8813 [1] RING-RETAINING  
37. 5I-8807 [1] SLEEVE  
38. 5I-8808 [1] SPOOL  
39. 108-9128 [1] BODY AS  
40. 5I-8794 [1] SEAT  
41. 5I-8799 [1] COVER  
42. 5I-8800 [1] LOCKNUT  
43. 5I-8798 [1] SCREW-ADJUSTER  
44. 5I-8821 [1] SCREW-ADJUSTER  
45. 5I-8797 [1] RETAINER  
46. 095-1584 [2] SEAL-O-RING (ID=15.80mm)  
47. 095-1594 [1] SEAL-O-RING (ID=25.70mm)  
48. 095-1700 [1] SEAL-O-RING (ID=34.40mm)  
49. 129-7972 [1] SPRING  
50. 129-7971 [1] SPRING  
51. 5I-8793 [1] ROD  
52. 5I-8791 [1] PISTON  
53. 129-7970 [1] SLEEVE  
 

#XEBP76650295
 

133-6719: DRIVE GP

1336719 DRIVE GP-ACCESSORY
S/N 2NS 1-00183, 3FS 1-00343
PART OF 1336717-Page 195.01
h51951e XEBP7665
1336719 DRIVE GP Parts scheme
  For full view, you need register

Parts for your 312B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 133-6726 [1] BEARING  
2. 133-6722 [1] GEAR  
3. 133-6723 [1] GEAR  
4. 095-7961 [2] BEARING  
5. 133-6725 [1] BODY  
6. 093-1321 [1] PLUG  
7. 095-1750 [1] SEAL-O-RING (ID=10.82mm)  
8. 095-0942 [1] RING-RETAINING  
9. 7Y-5267 [1] RING-RETAINING  
10. 133-6724 [2] SPACER  
11. 133-6721 [1] SHAFT  
12. 095-0919 [1] RING-RETAINING  
13. 095-1295 [2] DOWEL  
14. 6V-3938 [4] BOLT (L=20mm)  
 

#XEBP76650296
 

169-7971: DRIVE GP

1697971 DRIVE GP-ACCESSORY
S/N 2NS 00184-UP, 3FS 00344-UP
PART OF 1336717-Page 195.02
h72293e XEBP7665
1697971 DRIVE GP Parts scheme
  For full view, you need register

Parts for your 312B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 133-6726 [1] BEARING  
2. 133-6722 [1] GEAR (Z=42)  
3. 169-7977 [1] GEAR (Z=32)  
4. 095-7961 [2] BEARING  
5. 169-7972 [1] BODY  
6. 7I-8163 [1] PLUG  
7. 095-1592 [1] SEAL-O-RING (ID=23.70mm)  
8. 095-0942 [1] RING-RETAINING  
9. 7Y-5267 [1] RING-RETAINING  
10. 133-6724 [2] SPACER  
11. 133-6721 [1] SHAFT  
12. 095-0919 [1] RING-RETAINING  
13. 095-1295 [2] DOWEL  
14. 6V-3938 [4] BOLT (L=20mm)  
15. 8T-4121 [6] WASHER  
16. 169-7978 [1] COVER  
17. 095-1710 [1] SEAL-O-RING (ID=79.40mm)  
 

#XEBP76650297
 

4I-7360: COUPLING GP

4I7360 COUPLING GP-PUMP
PART OF 1189868-Page 184, 1318937-Page 185
h51250e XEBP7665
4I7360 COUPLING GP Parts scheme
  For full view, you need register

Parts for your 312B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 099-0149 [1] COUPLING  
2. 099-0144 [4] BOLT  
3. 7Y-0466 [2] SETSCREW  
4. 8T-0348 [4] BOLT (L=50mm)  
5. 6I-6426 [1] HUB  
 

#XEBP76650298
 

4I-6078: FILTER GP

4I6078 FILTER GP-HYDRAULIC
PART OF 1195422-Page 179, 1262105-Page 181
h51259e XEBP7665
4I6078 FILTER GP Parts scheme
  For full view, you need register

Parts for your 312B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5I-8670 [1] FILTER AS  
 

#XEBP76650299
 

107-6995: FILTER GP

1076995 FILTER GP-HYDRAULIC
S/N 9GR 1-00529, 8JR 1-01766, 2NS 1-00189, 3FS 1-00386
PART OF 1195422-Page 178, 1262105-Page 180
1262080-Page 203.02, 1298033-Page 203.03, 1163653-Page 204
h64618e XEBP7665
1076995 FILTER GP Parts scheme
  For full view, you need register

Parts for your 312B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 129-8033 Y [1] BLOCK GP  
2. 116-3653 Y [1] HOUSING GP  
3. 116-3654 [1] COVER  
4. 123-2003 [2] SEAL-O-RING (ID=185mm)  
5. 126-2080 Y [1] FILTER GP  
6. 8T-4184 [8] BOLT (L=45mm)  
7. 8T-4223 [8] WASHER-HARD  
8. 8T-0289 [4] BOLT (L=20mm)  
9. 129-8034 [1] VALVE AS  
10. 143-7966 [1] INDICATOR AS  
  8T-4127 [4] SCREW-MACHINE  
  137-3695 [1] FILM  
11. 159-7784 [1] SEAL-O-RING  
12. 8T-0328 [4] WASHER-HARD  
  Y   SEE SEPARATE ILLUSTRATION
 

Information:

Special Instruction
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Specifications
Main Pump
311B & 312B EXCAVATOR HYDRAULIC SYSTEMS
Pilot Pump<BR> 4I-1023
311B & 312B EXCAVATOR HYDRAULIC SYSTEMS
Blade Pump<BR> 126-2078
311B & 312B EXCAVATOR HYDRAULIC SYSTEMS
Tool Operating Manual
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Reuse And Salvage Guidelines
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Vane Type Hydraulic Pumps {5055}
Vane Type Hydraulic Pumps {5055}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
Testing and Adjusting
Pump Control (Negative Flow) - Adjust - 312B and 312B L
311B and 312B Excavators Hydraulic System
Gear Pump (Blade) - Test - 312B and 312B L
311B and 312B Excavators Hydraulic System
Gear Pump (Pilot) - Test - 312B and 312B L
311B and 312B Excavators Hydraulic System
Piston Pump (Main) - Test - 312B and 312B L
311B and 312B Excavators Hydraulic System
Pump Control (Output Flow) - Adjust
311B and 312B Excavators Hydraulic System
Pump Control (Negative Flow) - Test - 312B and 312B L
311B and 312B Excavators Hydraulic System
Air (Main Hydraulic Pump) - Purge
311B and 312B Excavators Hydraulic System
Bench Test Procedures
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Disassembly and Assembly
Engine &amp; Main Hydraulic Pump Separation &amp; Connection
SUPPLEMENT FOR 311B, 312B & 312B L EXCAVATORS - 3064 ENGINE
Main Hydraulic Pump
SUPPLEMENT FOR 311B, 312B & 312B L EXCAVATORS - 3064 ENGINE
Pilot Pump
311B, 312B & 312B L EXCAVATORS MACHINE SYSTEMS
Main Hydraulic Pump &amp; Pump Drive Coupling
311B, 312B & 312B L EXCAVATORS MACHINE SYSTEMS
Main Hydraulic Pump
311B, 312B & 312B L EXCAVATORS MACHINE SYSTEMS
Service Magazine
Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25

Caterpillar Parts SIS Catalog 312B :

PUMP GP
129-8066 PUMP GP
VALVE GP
129-7967 VALVE GP
VALVE GP
129-7966 VALVE GP
PUMP GP
129-7988 PUMP GP
PUMP GP
121-1504 PUMP GP
PUMP GP
119-5408 PUMP GP
PUMP AND MOUNTING GP
131-8937 PUMP AND MOUNTING GP
PUMP AND MOUNTING GP
118-9868 PUMP AND MOUNTING GP
PUMP GP
133-6717 PUMP GP
PUMP GP
133-6717 PUMP GP
PUMP GP
133-6729 PUMP GP
VALVE GP
133-6728 VALVE GP
DRIVE GP
133-6719 DRIVE GP
DRIVE GP
169-7971 DRIVE GP
COUPLING GP
4I-7360 COUPLING GP
FILTER GP
4I-6078 FILTER GP

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The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
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