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1336718 DOUBLE PISTON PUMP GROUP EFFECTIVE WITH SERIAL NO. 2LS00001-2LS00282 PART OF 1298065-Page 346 1297967-Page 352, 353 1336727-Page 354, 355 1336729-Page 350, 351 1336719-Page 356 311B




HYDRAULIC SYSTEM

PUMP GP
 

#XEBP76640310
 

133-6718: DOUBLE PISTON PUMP GROUP

1336718 DOUBLE PISTON PUMP GROUP
EFFECTIVE WITH SERIAL NO. 2LS00001-2LS00282
PART OF 1298065-Page 346
1297967-Page 352, 353 1336727-Page 354, 355 1336729-Page 350, 351 1336719-Page 356
h051950 XEBP7664
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Parts for your 311B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 129-7967 Y [1] VALVE GROUP  
2. 133-6727 Y [1] VALVE GROUP  
3. 133-6729 Y [1] PUMP GROUP  
4. 5B-9304 [2] SCREW  
5. 133-6719 Y [1] DRIVE GROUP  
  Y   SEE SEPARATE ILLUSTRATION
 

#XEBP76640311
 

133-6718: DOUBLE PISTON PUMP GROUP

1336718 DOUBLE PISTON PUMP GROUP
EFFECTIVE WITH SERIAL NO. 2LS00283-
PART OF 1298065-Page 346
1297967-Page 352, 353 1336727-Page 354, 355 1336729-Page 350, 351 1697971-Page 357
j110933 XEBP7664
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Parts for your 311B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 129-7967 Y [1] VALVE GROUP  
2. 133-6727 Y [1] VALVE GROUP  
3. 133-6729 Y [1] PUMP GROUP  
4. 5B-9304 [2] SCREW  
5. 169-7971 CY [1] DRIVE GROUP  
  C   INDICATES CHANGE
  Y   SEE SEPARATE ILLUSTRATION
 

#XEBP76640312
 

133-6729: HYDRAULIC PUMP GROUP

1336729 HYDRAULIC PUMP GROUP
EFFECTIVE WITH SERIAL NO. 2LS00001-
PART OF 1336718-Page 348, 349
h052371 XEBP7664
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Parts for your 311B 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  
4. 095-0882 [4] PIN  
5. 095-1209 [4] NUT (M16X2)  
6. 5I-8760 [2] SUPPORT  
7. 095-1783 [2] RING  
8. 095-1584 [2] SEAL  
9. 5I-8766 [2] PISTON  
10. 095-1698 [2] SEAL  
11. 5I-8770 [2] RING  
12. 5I-8767 [2] STOPPER  
13. 095-1575 [18] SEAL  
14. 095-1717 [2] SEAL  
15. 5I-8772 [2] EYE  
16. 5I-8774 [2] SETSCREW (M16X2)  
17. 5I-8778 [2] PISTON ASSEM.  
18. 5I-8782 [2] PIN ASSEM.  
19. 5I-8768 [2] STOPPER  
20. 5I-8773 [2] SETSCREW (M16X2)  
21. 5I-8750 [1] SHAFT  
22. 5I-8762 [1] COVER  
23. 5I-8818 [2] BEARING  
24. 8T-0269 [4] BOLT (M6X1)  
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 ASSEM.  
31. 5I-8816 [2] BEARING  
32. 133-6731 [1] GEAR  
33. 133-6730 [1] BLOCK  
34. 096-0014 [2] PIN  
35. 127-5975 [1] BARREL ASSEM.  
36. 5I-8755 [2] PLATE  
37. 5I-8759 [2] PLATE  
38. 5I-8781 [2] PLATE ASSEM.  
39. 095-1711 [2] SEAL  
40. 6V-5683 [4] BOLT (M6X1)  
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  
46. 5I-8775 [1] ADAPTER  
47. 102-2562 [8] BOLT (M6X2)  
48. 095-1574 [1] SEAL  
49. 095-1777 [1] PLUG  
50. 5I-8771 [1] SEAT  
51. 5H-1472 [1] BALL  
52. 095-1713 [1] SEAL  
 

#XEBP76640313
 

129-7967: PRESSURE AND FLOW COMPENSATOR VALVE GROUP

1297965 PRESSURE AND FLOW COMPENSATOR VALVE GROUP
EFFECTIVE WITH SERIAL NO. 2LS00001-
PART OF 1336718-Page 348, 349
h051969 XEBP7664
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Parts for your 311B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3E-8025 [2] BOLT (M8X1.25)  
2. [1] LEVER ASSEM.  
3. 5I-8815 [1] PIN  
4. 5I-8789 [1] PLUG ASSEM.  
5. 5I-8814 [2] RING  
6. 095-1579 [2] SEAL  
7. 5I-8790 [1] PLUG  
8. 5I-8788 [1] LEVER ASSEM.  
9. 5I-8786 [1] LEVER ASSEM.  
10. 5I-8802 [1] COVER  
11. 129-7974 [1] PIN  
12. 5I-8820 [1] SETSCREW (M8X1.25)  
13. 5C-7261 [2] NUT (M8X1.25)  
14. 095-1585 [1] SEAL  
15. 5I-8806 [1] SPRING  
16. 5I-8804 [1] SEAT  
17. 095-1709 [1] SEAL  
18. 5I-8803 [1] PISTON  
19. 095-1590 [1] SEAL  
20. 095-1581 [1] SEAL  
21. 6V-8213 [2] BOLT (M8X1.25)  
22. 8T-0269 [10] BOLT (M6X1)  
23. 096-2323 [1] RING  
24. 8T-8442 [2] BOLT (M6X1)  
25. 095-1578 [1] SEAL  
26. 095-1575 [9] SEAL  
27. 8T-6759 [5] PLUG  
28. 5I-8812 [1] COVER  
29. 5I-8811 [1] SPRING  
30. 095-1696 [1] SEAL  
31. 5I-8809 [1] SEAT  
32. 5I-8810 [1] SPRING  
33. 5I-8813 [1] RING  
34. 5I-8807 [1] SLEEVE  
35. 5I-8808 [1] SPOOL  
36. 108-9128 [1] BODY ASSEM.  
37. 5I-8794 [1] SEAT  
38. 5I-8799 [1] COVER  
39. 5I-8800 [1] LOCKNUT (M30X1.5)  
40. 5I-8798 [1] SCREW (M8 AND M30X1.5)  
41. 5I-8821 [1] SCREW (M8)  
42. 5I-8797 [1] RETAINER  
43. 095-1584 [2] SEAL  
44. 095-1594 [1] SEAL  
45. 095-1700 [1] SEAL  
46. 129-7972 [1] SPRING  
47. 129-7971 [1] SPRING  
48. 5I-8793 [1] ROD  
49. 5I-8791 [1] PISTON  
50. 129-7970 [1] SLEEVE  
51. 095-1586 [1] SEAL  
52. 129-7973 [1] SLEEVE  
 

#XEBP76640314
 

133-6727: PRESSURE AND FLOW COMPENSATOR VALVE GROUP

1336727 PRESSURE AND FLOW COMPENSATOR VALVE GROUP
EFFECTIVE WITH SERIAL NO. 2LS00001-
PART OF 1336718-Page 348, 349
h051962 XEBP7664
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Parts for your 311B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3E-8025 [2] BOLT (M8X1.25)  
2. 5I-8787 [1] LEVER ASSEM.  
3. 5I-8815 [1] PIN  
4. 5I-8789 [1] PLUG ASSEM.  
5. 5I-8814 [2] RING  
6. 095-1579 [2] SEAL  
7. 5I-8790 [1] PLUG  
8. 5I-8788 [1] LEVER ASSEM.  
9. 5I-8786 [1] LEVER ASSEM.  
10. 5I-8802 [1] COVER  
11. 095-1586 [1] SEAL  
12. 5I-8820 [1] SETSCREW (M8X1.25)  
13. 5C-7261 [2] NUT (M8X1.25)  
14. 095-1585 [1] SEAL  
15. 5I-8806 [1] SPRING  
16. 5I-8804 [1] SEAT  
17. 095-1709 [1] SEAL  
18. 5I-8803 [1] PISTON  
19. 095-1590 [1] SEAL  
20. 095-1581 [1] SEAL  
21. 129-7973 [1] SLEEVE  
22. 129-7974 [1] PIN  
23. 6V-8213 [2] BOLT (M8X1.25)  
24. 8T-0269 [6] BOLT (M6X1)  
25. 096-2323 [1] RING  
26. 8T-8442 [2] BOLT (M6X1)  
27. 095-1578 [1] SEAL  
28. 095-1575 [10] SEAL  
29. 8T-6759 [6] PLUG  
30. 133-6778 [1] PLATE  
31. 1R-5396 [4] BOLT  
32. 5I-8811 [1] SPRING  
33. 095-1696 [1] SEAL  
34. 5I-8809 [1] SEAT  
35. 5I-8810 [1] SPRING  
36. 5I-8813 [1] RING  
37. 5I-8807 [1] SLEEVE  
38. 5I-8808 [1] SPOOL  
39. 108-9128 [1] BODY ASSEM.  
40. 5I-8794 [1] SEAT  
41. 5I-8799 [1] COVER  
42. 5I-8800 [1] LOCKNUT (M30X1.5)  
43. 5I-8798 [1] SCREW (M8 AND M30X1.5)  
44. 5I-8821 [1] SCREW (M8)  
45. 5I-8797 [1] RETAINER  
46. 095-1584 [2] SEAL  
47. 095-1594 [1] SEAL  
48. 095-1700 [1] SEAL  
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  
 

#XEBP76640315
 

133-6719: ACCESSORY DRIVE GROUP

1336719 ACCESSORY DRIVE GROUP
EFFECTIVE WITH SERIAL NO. 2LS00001-2LS00281
PART OF 1336718-Page 348
h051951 XEBP7664
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Parts for your 311B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 133-6726 [1] BEARING  
2. 133-6722 [1] GEAR (42 TEETH)  
3. 133-6723 [1] GEAR (32 TEETH)  
4. 095-7961 [2] BEARING  
5. 133-6725 [1] BODY  
6. 093-1321 [1] PLUG  
7. 095-1750 [1] SEAL  
8. 095-0942 [1] RING  
9. 7Y-5267 [1] RING  
10. 133-6724 [2] SPACER  
11. 133-6721 [1] SHAFT  
12. 095-0919 [1] RING  
13. 095-1295 [2] DOWEL  
14. 6V-3938 [4] BOLT (M10X1.5)  
 

#XEBP76640316
 

169-7971: ACCESSORY DRIVE GROUP

1697971 ACCESSORY DRIVE GROUP
EFFECTIVE WITH SERIAL NO. 2LS00283-
PART OF 1336718-Page 349
j113477 XEBP7664
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Parts for your 311B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 133-6726 [1] BEARING  
2. 133-6722 [1] GEAR (42 TEETH)  
3. 169-7977 [1] GEAR (32 TEETH)  
4. 095-7961 [2] BEARING  
5. 169-7972 [1] BODY  
6. 7I-8163 [1] PLUG  
7. 095-1592 [1] SEAL  
8. 095-0942 [1] RING  
9. 7Y-5267 [1] RING  
10. 133-6724 [2] SPACER  
11. 133-6721 [1] SHAFT  
12. 095-0919 [1] RING  
13. 095-1295 [2] DOWEL  
14. 6V-3938 [6] BOLT (M10X1.5)  
15. 8T-4121 [6] WASHER  
16. 169-7978 [1] COVER  
17. 095-1710 [1] SEAL  
 

#XEBP76640317
 

4I-7360: PUMP COUPLING

PUMP COUPLING (4I7360 N/S)
PART OF 1189884-Page 337, 1318938-Page 338
h051250 XEBP7664
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Parts for your 311B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 099-0149 [1] COUPLING  
2. 099-0144 [4] BOLT (M16X2)  
3. 7Y-0466 [2] SETSCREW (M16X2)  
4. 8T-0348 [4] BOLT (M16X2)  
5. 6I-6426 [1] HUB  
 

#XEBP76640318
 

107-6995: HYDRAULIC FILTER

HYDRAULIC FILTER (1076995 N/S)
EFFECTIVE WITH SERIAL NO. 2LS00001-2LS00322, 8GR00001-8GR00614
PART OF 1195422-Page 330, 332, 1262105-Page 334, 311B-Page 3
1298033-Page 362 1163653-Page 366 1262080-Page 361
j110636 XEBP7664
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Parts for your 311B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 129-8033 Y [1] HEAD ASSEM.  
2. 116-3653 Y [1] CASE ASSEM.  
3. 116-3654 [1] COVER  
4. 123-2003 [2] SEAL  
5. 126-2080 Y [1] FILTER GROUP  
6. 8T-4184 [8] BOLT (M12X1.75)  
7. 8T-4223 [8] WASHER  
8. 8C-8580 [4] BOLT (M5X0.8)  
9. 129-8034 [1] VALVE ASSEM.  
10. 133-6875 [1] INDICATOR ASSEM.  
  8T-4127 [4] SCREW (M5X0.8)  
  137-3695 [1] FILM  
11. 116-3682 [1] SEAL  
  Y   SEE SEPARATE ILLUSTRATION
 

#XEBP76640319
 

107-6995: HYDRAULIC FILTER

HYDRAULIC FILTER (1076995 N/S)
EFFECTIVE WITH SERIAL NO. 2LS00323-, 8GR00615-
PART OF 1195422-Page 330, 332, 1262105-Page 334, 311B-Page 3
1733503-Page 363 1843997-Page 366 1262080-Page 361
h072294 XEBP7664
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Parts for your 311B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 173-3503 CY [1] BLOCK GROUP  
2. 184-3997 CY [1] HOUSING GROUP  
3. 116-3654 [1] COVER  
4. 123-2003 [2] SEAL  
5. 126-2080 Y [1] FILTER GROUP  
6. 8T-4184 [8] BOLT (M12X1.75)  
7. 8T-4223 [8] WASHER  
8. 8T-0289 C [4] BOLT (M5X0.8)  
9. 129-8034 [1] VALVE ASSEM.  
10. 143-7966 C [1] INDICATOR ASSEM.  
  8T-4127 [4] SCREW (M5X0.8)  
  137-3695 [1] FILM  
11. 116-3682 [1] SEAL  
12. 8T-0328 C [4] WASHER  
  C   INDICATES CHANGE
  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 - 311B
311B and 312B Excavators Hydraulic System
Gear Pump (Blade) - Test - 311B
311B and 312B Excavators Hydraulic System
Gear Pump (Pilot) - Test - 311B
311B and 312B Excavators Hydraulic System
Piston Pump (Main) - Test - 311B
311B and 312B Excavators Hydraulic System
Pump Control (Output Flow) - Adjust
311B and 312B Excavators Hydraulic System
Pump Control (Negative Flow) - Test - 311B
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

Caterpillar Parts SIS Catalog 311B :

Truck sale:

Call 
1998 CAT 311B

Recker's Enterprises Inc
USD $31,000 
2000 CAT 311B

Bruce Equipment
Spartanburg, South Carolina
 
 
CAT 311B

McGrew Equipment Company
Seven Valleys, Pennsylvania
 
CAT 311B

BLOUNT PARTS & EQUIPMENT
 
CAT 311B

BLOUNT PARTS & EQUIPMENT
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