BASIC ENGINE
PISTON & ROD GPPULLEY GP
BELT TIGHTENER GP
VALVE MECHANISM GP
LUBRICATION SYSTEM
FILTER GP-ENGINE OILBREATHER GP
FILTER GP-ENGINE OIL
BASIC ENGINE
PISTON & ROD GP#SEBP52270030
296-4659: PISTON & ROD GP
  296-4659 PISTON & ROD GP 
S/N GDC1-UP
PART OF 272-4739, 310-9474 ENGINE AR
ALSO AN ATTACHMENT
S/N GDC1-UP
PART OF 272-4739, 310-9474 ENGINE AR
ALSO AN ATTACHMENT
Parts for your 320D LN EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 324-4235 | [6] | PISTON (STANDARD) | |
| 324-4236 AB | PISTON (0.25-MM OS) | |||
| 324-4237 AB | PISTON (0.5-MM OS) | |||
| 2. | 094-7134 | [6] | PIN | |
| 3. | 5I-7667 | [12] | RING | |
| 4. | 178-6543 J | [6] | SET-PISTON RING (STANDARD) | |
| 178-6544 ABJ | SET-PISTON RING (0.25-MM OS) | |||
| 178-6545 ABJ | SET-PISTON RING (0.5-MM OS) | |||
| 5. | 294-1747 | [6] | ROD AS | |
| (EACH INCLUDES) | ||||
| 5A. | 094-7154 | [2] | BOLT (M12X1.25X85-MM) | |
| 5B. | 094-7516 | [2] | NUT (M12X1.25-THD) | |
| 6. | 294-1748 | [12] | BEARING (STANDARD) | |
| 297-7648 AB | BEARING (0.25-MM US) | |||
| 297-7649 AB | BEARING (0.50-MM US) | |||
| 297-7650 AB | BEARING (0.75-MM US) | |||
| A | NOT PART OF THIS GROUP | |||
| B | USE AS REQUIRED | |||
| J | INCLUDES A COMPLETE SET OF RINGS FOR ONE PISTON | |||
#SEBP52270031
296-4660: PULLEY GP-ENGINE
  296-4660 PULLEY GP-ENGINE 
S/N WBN1-UP
PART OF 296-4667 PULLEY GP-ENGINE
ALSO AN ATTACHMENT
S/N WBN1-UP
PART OF 296-4667 PULLEY GP-ENGINE
ALSO AN ATTACHMENT
Parts for your 320D LN EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 266-6332 | [1] | BRACKET | |
| 2. | 266-6333 | [1] | COVER | |
| 3. | 266-6337 | [1] | PULLEY | |
| 4. | 266-6334 | [2] | BEARING | |
| 5. | 212-8596 | [2] | BUSHING | |
| 6. | 266-6335 | [1] | SPACER (40.8X50.8X27-MM THK) | |
| 7. | 266-6336 | [1] | WASHER (13X49X8-MM THK) | |
| 8. | 266-6338 M | [1] | BOLT (M12X1.25X25-MM) | |
| 9. | 294-1726 M | [6] | BOLT (M10X1.5X37-MM) | |
| M | METRIC PART | |||
#SEBP52270032
296-4667: PULLEY GP-ENGINE
  296-4667 PULLEY GP-ENGINE 
S/N WBN1-UP
1.04
PART OF 272-4738, 305-4975, 324-3981, 324-4005 ENGINE AR-COMPLETE
ALSO AN ATTACHMENT
S/N WBN1-UP
1.04
PART OF 272-4738, 305-4975, 324-3981, 324-4005 ENGINE AR-COMPLETE
ALSO AN ATTACHMENT
Parts for your 320D LN EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 212-8584 | [1] | PULLEY | |
| 2. | 324-4225 | [1] | PULLEY AS | |
| 3. | 305-4908 Y | [1] | PULLEY GP-IDLER | |
| 4. | 294-1781 | [1] | BELT-SERPENTINE | |
| 5. | 266-6332 | [1] | BRACKET | |
| 6. | 266-6333 | [1] | COVER | |
| 7. | 266-6337 | [1] | PULLEY | |
| 8. | 266-6334 | [2] | BEARING | |
| 9. | 212-8596 | [2] | BUSHING | |
| 10. | 266-6335 | [1] | SPACER (40.8X50.8X27-MM THK) | |
| 11. | 266-6336 | [1] | WASHER (13X49X8-MM THK) | |
| 12. | 266-6338 M | [1] | BOLT (M12X1.25X25-MM) | |
| 13. | 294-1726 M | [6] | BOLT (M10X1.5X37-MM) | |
| 14. | 213-9433 M | [4] | BOLT (M10X1.5X45-MM) | |
| 296-4660 FY | [1] | PULLEY GP-ENGINE | ||
| F | NOT SHOWN | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP52270033
324-4200: PULLEY GP-ENGINE
  324-4200 PULLEY GP-ENGINE 
S/N WBN1-UP
PART OF 324-4005 ENGINE AR-COMPLETE
AN ATTACHMENT
S/N WBN1-UP
PART OF 324-4005 ENGINE AR-COMPLETE
AN ATTACHMENT
Parts for your 320D LN EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 212-8584 | [1] | PULLEY | |
| 2. | 324-4225 | [1] | PULLEY AS | |
| 5I-7540 | [1] | SLEEVE | ||
| 3. | 305-4908 Y | [1] | PULLEY GP-IDLER | |
| 4. | 294-1781 | [1] | BELT-SERPENTINE | |
| 5. | 327-7230 Y | [1] | FAN GP-SUCTION | |
| 6. | 213-9433 M | [4] | BOLT (M10X1.5X45-MM) | |
| 7. | 327-7251 | [1] | BRACKET AS | |
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP52270034
255-3018: PULLEY GP-IDLER
Parts for your 320D LN EXCAVATOR:
CATERPILLAR SIS#SEBP52270035
305-4908: PULLEY GP-IDLER
  305-4908 PULLEY GP-IDLER 
S/N WBN1-UP
PART OF 296-4667, 324-4200 PULLEY GP-ENGINE
ALSO AN ATTACHMENT
S/N WBN1-UP
PART OF 296-4667, 324-4200 PULLEY GP-ENGINE
ALSO AN ATTACHMENT
#SEBP52270036
305-4910: VALVE MECHANISM GP
  305-4910 VALVE MECHANISM GP 
S/N GDC1-UP
PART OF 272-4739, 310-9474 ENGINE AR
ALSO AN ATTACHMENT
S/N GDC1-UP
PART OF 272-4739, 310-9474 ENGINE AR
ALSO AN ATTACHMENT
Parts for your 320D LN EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 294-1684 | [12] | VALVE-INLET | |
| 2. | 294-1685 | [12] | VALVE-EXHAUST | |
| 3. | 294-1686 | [6] | BASE-ROCKER ARM | |
| 4. | 294-1687 | [6] | BRIDGE-EXHAUST | |
| 5. | 5I-7630 | [12] | CAP | |
| 6. | 294-1688 | [24] | SPRING | |
| 7. | 294-1689 | [12] | SCREW | |
| 8. | 8T-7964 M | [12] | NUT (M6X1-THD) | |
| 9. | 199-2188 | [48] | PIN-COTTER | |
| 10. | 199-2189 | [24] | SEAL-VALVE STEM | |
| 11. | 199-2187 | [24] | RETAINER | |
| 12. | 305-4750 | [6] | BRACKET | |
| 13. | 305-4751 | [4] | SPRING | |
| 14. | 294-1693 | [1] | PIPE | |
| 15. | 305-4930 | [1] | SHAFT AS-ROCKER ARM | |
| 15A. | 096-3741 | [1] | CAP | |
| 16. | 305-4929 | [6] | ROCKER ARM AS | |
| (EACH INCLUDES) | ||||
| 16A. | 091-3474 M | [1] | NUT (M8X1.25-THD) | |
| 16B. | 094-9525 | [1] | SCREW | |
| 16C. | 305-4928 | [1] | BUSHING | |
| 17. | 305-4927 | [6] | ROCKER ARM AS | |
| (EACH INCLUDES) | ||||
| 17A. | 091-3474 M | [1] | NUT (M8X1.25-THD) | |
| 17B. | 094-9525 | [1] | SCREW | |
| 17C. | 305-4928 | [1] | BUSHING | |
| 18. | 294-1698 | [4] | WASHER | |
| 19. | 294-1699 | [6] | BOLT | |
| 20. | 305-4746 | [6] | BOLT | |
| 21. | 294-1786 | [4] | RING | |
| 22. | 294-1702 | [1] | BOLT | |
| 23. | 3B-4505 | [4] | LOCKWASHER | |
| 24. | 305-4747 | [4] | WASHER | |
| M | METRIC PART | |||
#SEBP52270037
296-4654: ADAPTER GP-REMOTE OIL FILTER
  296-4654 ADAPTER GP-REMOTE OIL FILTER -ENGINE 
S/N GDC1-UP
PART OF 272-4739, 310-9474 ENGINE AR
ALSO AN ATTACHMENT
S/N GDC1-UP
PART OF 272-4739, 310-9474 ENGINE AR
ALSO AN ATTACHMENT
Parts for your 320D LN EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 294-1769 | [1] | GASKET | |
| 2. | 294-1770 | [1] | COVER AS-FILTER | |
| 2A. | 185-2791 | [2] | SEAL | |
| 2B. | 185-2793 | [2] | ELBOW | |
| 2C. | 294-1771 | [1] | COVER | |
| 3. | 8T-4185 M | [1] | BOLT (M10X1.5X50-MM) | |
| 4. | 7X-0796 | [1] | LOCKWASHER (10.2X18.4X2.5-MM THK) | |
| 5. | 294-1726 M | [3] | BOLT (M10X1.5X37-MM) | |
| 6. | 294-1772 | [2] | BOLT | |
| 7. | 5I-8066 | [1] | VALVE AS-RELIEF (ENGINE OIL PRESSURE) | |
| 8. | 5B-5947 | [1] | GASKET | |
| 9. | 5I-7505 | [1] | PLUG | |
| M | METRIC PART | |||
#SEBP52270038
305-4723: BREATHER GP
  305-4723 BREATHER GP -CRANKCASE 
S/N GDC1-UP
PART OF 272-4739, 310-9474 ENGINE AR
ALSO AN ATTACHMENT
S/N GDC1-UP
PART OF 272-4739, 310-9474 ENGINE AR
ALSO AN ATTACHMENT
Parts for your 320D LN EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 297-7820 | [1] | HOSE | |
| 2. | 294-1774 | [1] | SEAL-O-RING | |
| 3. | 5I-7725 | [1] | BREATHER (CRANKCASE) | |
| 4. | 151-5332 | [3] | CLAMP | |
| 5. | 5I-7645 | [1] | PIPE | |
| 6. | 297-7826 | [2] | CLIP | |
| 7. | 8T-4121 | [1] | WASHER-HARD (11X21X2.5-MM THK) | |
| 8. | 8T-4137 M | [2] | BOLT (M10X1.5X20-MM) | |
| 9. | 5I-4940 | [1] | TUBE (FUMES DISPOSAL) | |
| 10. | 294-1775 | [2] | BOLT (M10X1.5X23-MM) | |
| 11. | [1] | CLIP | ||
| M | METRIC PART | |||
#SEBP52270039
287-0062: FILTER & MTG GP-ENGINE OIL
  287-0062 FILTER & MTG GP-ENGINE OIL 
S/N WBN1-UP
PART OF 287-0181 INSTALLATION AR-ENGINE
S/N WBN1-UP
PART OF 287-0181 INSTALLATION AR-ENGINE
Parts for your 320D LN EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 6V-5266 | [3] | SEAL-O-RING | |
| 2. | 7C-1493 | [1] | VALVE AS-BYPASS | |
| 3. | 7W-9028 | [1] | BASE AS-OIL FILTER | |
| 4. | 8C-3445 | [1] | CAP-DUST | |
| 5. | 9L-9188 | [1] | SPRING-VALVE | |
| 6. | 121-0307 | [1] | BASE | |
| 7. | 310-9506 I | [1] | HOSE AS | |
| 8. | 310-9507 I | [1] | HOSE AS | |
| 9. | 1R-0739 | [1] | FILTER AS-ENGINE OIL (STANDARD EFFICIENCY) | |
| 10. | 152-2939 | [1] | SEAL-O-RING | |
| 11. | 2T-2991 | [1] | CONNECTOR | |
| 12. | 189-9377 | [1] | SEAL-O-RING | |
| 13. | 153-4906 | [1] | SEAL-O-RING | |
| 14. | 033-5853 | [1] | SEAL-O-RING | |
| 15. | 033-6038 | [2] | SEAL-O-RING | |
| 16. | 5P-8196 M | [1] | PLUG | |
| 17. | 5P-9617 | [1] | ADAPTER | |
| 18. | 6D-1641 | [4] | CLIP | |
| 19. | 6V-8713 | [1] | CONNECTOR | |
| 20. | 228-7092 | [1] | SEAL-O-RING | |
| 21. | 152-2938 | [3] | SEAL-O-RING | |
| 22. | 8C-3446 | [1] | VALVE-SAMPLING | |
| 23. | 8T-4121 | [7] | WASHER-HARD (11X21X2.5-MM THK) | |
| 24. | 8T-4136 M | [2] | BOLT (M10X1.5X25-MM) | |
| 25. | 8T-4137 M | [2] | BOLT (M10X1.5X20-MM) | |
| 26. | 8T-4196 M | [3] | BOLT (M10X1.5X35-MM) | |
| 27. | 8T-4197 M | [3] | BOLT (M8X1.25X40-MM) | |
| 28. | 8T-4224 | [5] | WASHER-HARD (8.8X16X2-MM THK) | |
| 29. | 8T-7547 M | [2] | BOLT (M8X1.25X30-MM) | |
| 30. | 9S-4188 | [1] | PLUG | |
| 31. | 7K-1181 | [1] | STRAP-CABLE | |
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| M | METRIC PART | |||
Information:
BASIC ENGINE
 
PISTON & ROD GP
 
Special Instruction 
  
Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}
Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}
     Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}
Technical Information Bulletin 
      
Reuse And Salvage Guidelines 
        
Inspection Procedures and Specifications for Pistons and Piston Pins {1214, 1214}
Inspection Procedures and Specifications for Pistons and Piston Pins {1214, 1214}
      Inspection Procedures and Specifications for Pistons and Piston Pins {1214, 1214}
Visual Inspection of Main Bearings and Connecting Rod Bearings {1202, 1203, 1225, 1230}
Visual Inspection of Main Bearings and Connecting Rod Bearings {1202, 1203, 1225, 1230}
     Visual Inspection of Main Bearings and Connecting Rod Bearings {1202, 1203, 1225, 1230}
Testing and Adjusting
                                           
Disassembly and Assembly 
                                               
 
  
 
 
 
 
 
 
 
 
 
 
  
  
  
  
  
  
  
  
  
  
  
  
  
 