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2P1830 AIR COMPRESSOR GROUP Replaced by 7N7391 shown on Page 175A Part of 9L5762 Air Compressor Group shown on Page 174 3304


BASIC ENGINE
AIR COMPRESSOR GP

INDUSTRIAL ENGINE 3304 INDUSTRIAL ENGINE 04B
 3304 INDUSTRIAL ENGINE 04B07794-14448 UEG0882S 3304 04B   (1968)

BASIC ENGINE

AIR COMPRESSOR GP
AIR COMPRESSOR GROUP
3N-6243 AIR COMPRESSOR GROUP
AIR COMPRESSOR GROUP
9L-5762 AIR COMPRESSOR GROUP
AIR COMPRESSOR GROUP
2P-1830 AIR COMPRESSOR GROUP
AIR COMPRESSOR GROUP
7N-7391 AIR COMPRESSOR GROUP
AIR COMPRESSOR GROUP
7N-7391 AIR COMPRESSOR GROUP
AIR COMPRESSOR GP
9N-8069 AIR COMPRESSOR GP
 

#UEG0882S0580
 

2P-1830: AIR COMPRESSOR GROUP

2P1830 AIR COMPRESSOR GROUP
Replaced by 7N7391 shown on Page 175A
Part of 9L5762 Air Compressor Group shown on Page 174
c163714 UEG0882S
2P1830 AIR COMPRESSOR GROUP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9L-5426 [1] HEAD ASSEM.  
2. 9M-0387 [2] SEAT  
3. 9M-0388 [2] INSERT  
4. 9M-0386 [2] CAP  
5. 3F-4987 [2] SPRING  
6. 3H-5181 [2] VALVE  
7. 9M-0394 [2] SEAT  
8. 3J-5389 [3] PLUG  
9. 3L-1850 [1] PLUG  
10. 9M-0379 [10] BOLT  
11. 2S-1218 [1] GASKET  
12. 9M-0410 [1] BLOCK ASSEM.  
13. 9M-0382 [2] BUSHING  
14. 9M-0381 [2] SEAT  
15. 5M-6213 [2] PLUG  
16. 0S-1594 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
17. 3H-7311 [1] GASKET  
18. 4M-0061 [4] BOLT  
  4L-7318 [4] LOCKWASHER  
19. 9L-1517 [1] WASHER  
20. 5M-6214 [2] PLUG  
21. 9L-3520 [1] COVER ASSEM.  
22. 2S-4245 [1] BEARING  
23. 2H-3931 [1] SEAL  
24. 2S-3079 [1] COVER  
25. 4M-5281 [6] BOLT  
  3B-4504 [6] LOCKWASHER  
26. 3H-5175 [1] GASKET  
27. 2P-7863 [1] CRANKCASE  
28. 9L-1518 [1] WASHER  
29. 9F-2247 [1] PLUG  
30. 2P-7862 [1] CRANKSHAFT  
31. 8S-4646 [2] ROD ASSEM.  
32. 4N-3994 [1] BEARING  
33. 9M-5181 [2] BOLT  
  8S-4645 [2] LOCK  
34. 9M-0380 [2] LOCK  
35. 3S-0915 [2] PISTON ASSEM.  
36. 9L-2271 [2] GUIDE  
37. 9L-2270 [2] PLUNGER  
38. 9L-2276 [2] GUIDE  
  9L-2277 [2] VALVE  
39. 9L-2278 [2] SPRING  
40. 9L-2273 [1] SPRING  
  4M-6410 [1] SEAT  
41. 3J-5390 [4] PLUG  
42. 7M-7410 [1] PLUG  
43. 9L-2272 [1] SADDLE  
44. 9L-2269 [2] PISTON ASSEM.  
  4M-6412 [1] RING  
  3L-6768 [1] SEAL  
45. 1S-9867 C [1] BEARING  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  9L-0947 [1] KIT (gasket)  
  3S-0916 [1] KIT (piston rings)  
    (Rings for two cast iron pistons)
  C   INDICATES CHANGE
 

#UEG0882S0581
 

7N-7391: AIR COMPRESSOR GROUP

7N7391 AIR COMPRESSOR GROUP--Field Installation--Type 1
6N7582 Compressor parts are shown on Pages 175B & 175D
c215864 UEG0882S
7N7391 AIR COMPRESSOR GROUP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7K-1517 [2] ELBOW  
2. 8B-2664 [1] CONNECTOR  
3. 6N-7553 [1] TUBE ASSEM.  
4. 5K-9240 [1] ELBOW  
5. 5K-9244 [1] ELBOW  
6. 6K-8079 [1] CONNECTOR  
7. 6N-7551 [1] TUBE ASSEM.  
8. 6K-6826 [1] ELBOW  
9. 6N-7550 [1] TUBE ASSEM.  
10. 9S-7720 [1] ELBOW  
11. 6N-7556 [1] TUBE ASSEM.  
12. 5K-9241 [1] ELBOW  
13. 9F-2247 [2] PLUG  
14. 0S-1589 [2] BOLT  
15. 2P-0220 [1] GASKET  
16. 3B-1915 [3] BOLT  
17. 6N-7582 Y [1] COMPRESSOR GROUP  
    (Separate Illustration)
  Y   SEPARATE ILLUSTRATION
 

#UEG0882S0582
 

7N-7391: AIR COMPRESSOR GROUP

7N7391 AIR COMPRESSOR GROUP--Field Installation--Type 2
6N7582 Compressor parts are shown on Pages 175B & 175D
c218244 UEG0882S
7N7391 AIR COMPRESSOR GROUP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7K-1517 [2] ELBOW  
2. 8B-2664 [1] CONNECTOR  
3. 6N-7553 [1] TUBE ASSEM.  
4. 5K-9240 [1] ELBOW  
5. 5K-9244 [1] ELBOW  
6. 6K-8079 [1] CONNECTOR  
7. 6N-7551 [1] TUBE ASSEM.  
8. 6K-6826 [1] ELBOW  
9. 6N-7550 [1] TUBE ASSEM.  
10. 9S-7720 [1] ELBOW  
11. 7N-9043 C [1] TUBE ASSEM.  
12. 5K-9241 [1] ELBOW  
13. 9F-2247 [2] PLUG  
14. 0S-1589 [2] BOLT  
15. 2P-0220 [1] GASKET  
16. 3B-1915 [3] BOLT  
17. 6N-7582 Y [1] COMPRESSOR GROUP  
    (Separate Illustration)
18. 3L-6521 CJ [1] TEE  
19. 5M-6213 CJ [1] PLUG  
  J   USE WITHOUT INSTRUMENT PANEL
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#UEG0882S0583
 

9N-8069: AIR COMPRESSOR GP

9N8069 AIR COMPRESSOR GROUP
Serial No. 4B12802-Up
6N7582 Compressor parts are shown on Pages 175B & 175D. AN ATTACHMENT
c215879 UEG0882S
9N8069 AIR COMPRESSOR GP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-7582 Y [1] AIR COMPRESSOR GP  
2. 9F-2247 [2] PLUG  
3. 3B-1915 [3] BOLT  
4. 0S-1589 [2] BOLT  
5. 2P-0220 [1] GASKET-PUMP  
  Y   SEPARATE ILLUSTRATION
 

#UEG0882S0584
 

6N-7582: AIR COMPRESSOR GP

6N7582 AIR COMPRESSOR GROUP--Field Installation--Type 1
Part of 7N7391 & 9N8069 Air Compressor Groups shown on Pages 175A, 175A-1 & 175A-2
c178519 UEG0882S
6N7582 AIR COMPRESSOR GP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-2097 [1] HEAD AS-COMPRESSOR  
2. 3J-5389 C [2] PLUG  
3. 6N-2098 [1] GASKET-HEAD  
4. 9M-0397 [1] ADAPTER-INLET  
  8M-7065 [1] GASKET-AIR INLET  
5. 2B-2695 [2] BOLT  
  3B-4505 [2] LOCKWASHER  
6. 2B-0858 C [1] PLUG-PIPE  
7. 7N-4837 C [2] PISTON AS-COMPRESSOR  
8. 5P-0060 CB [2] BOLT  
9. 5M-6214 [1] PLUG-PIPE  
10. 6N-2100 [1] COVER AS-REAR  
11. 6N-2106 [2] ROD AS-CONNECTION  
12. 7N-0243 [2] LOCK-ROD BOLT  
13. 6N-7564 [1] CRANKSHAFT-COMPRESSOR  
14. 3B-4507 C [4] LOCKWASHER  
15. 7N-4563 C [1] CRANKCASE AS  
16. 9M-0381 C [2] SEAT-INLET VALVE  
17. 7N-6172 C [2] BUSHING-COMPRESSOR  
18. 6N-6949 C [1] COVER-CRANKCASE  
  6N-0634 C [1] GASKET-COVER  
19. 5M-6509 C [2] SEAL-O-RING  
20. 0S-1619 C [6] BOLT  
21. 0T-0102 C [6] BOLT  
  3B-4506 C [6] LOCKWASHER  
   
    THE FOLLOWING REPAIR
    KITS ARE AVAILABLE:
  8N-3666 C [1] KIT-AIR COMPRESSOR (INCLUDES PISTONS,  
    GUIDE, PLUNGER,SEAT,
    SPRING, SADDLE, RINGS
    BOLTS, LOCKWASHERS,
    WASHERS, LOCK BEARING,
    VALVES, GASKETS, AND
    INSTRUCTION FORM)
  6N-2109 [1] KIT-PISTON RINGS  
  8N-3665 C [1] KIT-O-RING SEAL (INCLUDES SEALS AND  
    INSTRUCTION FORM)
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
 

#UEG0882S0585
 

6N-7582: AIR COMPRESSOR GP

6N7582 AIR COMPRESSOR GROUP--Field Installation--Type 2
Part of 7N7391 & 9N8069 Air Compressor Groups shown on Pages 175A, 175A-1 & 175A-2
c232917 UEG0882S
6N7582 AIR COMPRESSOR GP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-2097 [1] HEAD AS-COMPRESSOR  
2. 3J-5389 [2] PLUG  
3. 6N-2098 [1] GASKET-HEAD  
4. 9M-0397 [1] ADAPTER-INLET  
  8M-7065 [1] GASKET-AIR INLET  
5. 2B-2695 [2] BOLT  
  3B-4505 [2] LOCKWASHER  
6. 2B-0858 [1] PLUG-PIPE  
7. 7N-4837 [2] PISTON AS-COMPRESSOR  
8. 5P-0060 B [2] BOLT  
9. 5M-6214 [1] PLUG-PIPE  
10. 6N-2100 [1] COVER AS-REAR  
11. 6N-2106 [2] ROD AS-CONNECTION  
12. 7N-0243 [2] LOCK-ROD BOLT  
13. 6N-7564 [1] CRANKSHAFT-COMPRESSOR  
14. 3B-4507 [4] LOCKWASHER  
15. 8N-7653 C [1] CRANKCASE AS  
16. 9M-0381 [2] SEAT-INLET VALVE  
17. 7N-6172 [2] BUSHING-COMPRESSOR  
18. 6N-6949 [1] COVER-CRANKCASE  
  6N-0634 [1] GASKET-COVER  
19. 5M-6509 [2] SEAL-O-RING  
20. 0S-1619 [6] BOLT  
21. 0T-0102 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
22. 8N-7086 C [1] ADAPTER AS  
23. 0T-0768 C [4] BOLT  
   
    THE FOLLOWING REPAIR
    KITS ARE AVAILABLE:
  8N-3666 [1] KIT-AIR COMPRESSOR (INCLUDES PISTONS,  
    GUIDE, PLUNGER, SEAT,
    SPRING, SADDLE, RINGS,
    BOLTS, LOCKWASHERS,
    WASHERS, LOCK, BEARING,
    VALVES, GASKETS AND
    INSTRUCTION FORM)
  6N-2109 [1] KIT-PISTON RINGS  
  8N-3665 [1] KIT-O-RING SEAL  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
 

#UEG0882S0586
 

4N-9015: AIR COMPRESSOR LINES GROUP

4N9015 AIR COMPRESSOR LINES GROUP
Serial No. 4B7794 to 4B12801 inclusive
AN ATTACHMENT
c147964 UEG0882S
4N9015 AIR COMPRESSOR LINES GROUP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8B-2664 [1] CONNECTOR  
2. 7K-1517 [2] ELBOW  
3. 2P-4201 [1] TUBE ASSEM.  
4. 2P-2248 [1] TUBE ASSEM.  
5. 5K-9240 [2] ELBOW  
6. 2P-4243 [1] TUBE ASSEM.  
7. 5K-9244 [2] ELBOW  
8. 4N-9016 [1] TUBE ASSEM.  
9. 6L-3616 [1] CONNECTOR  
10. 5K-9241 [1] ELBOW  
 

#UEG0882S0587
 

6N-7640: LINES GP-AIR COMPRESSOR

6N7640 AIR COMPRESSOR LINES GROUP--Type 1--Replaced by 8N6046 shown on Page 176C
Serial No. 4B12802-Up
AN ATTACHMENT
c167900 UEG0882S
6N7640 LINES GP-AIR COMPRESSOR Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7K-1517 [2] ELBOW  
2. 8B-2664 [1] CONNECTOR  
3. 6N-7553 [1] TUBE ASSEM. (water outlet)  
4. 5K-9240 [1] ELBOW  
5. 5K-9244 [1] ELBOW  
6. 6K-8079 [1] CONNECTOR  
7. 6N-7551 [1] TUBE ASSEM. (water inlet)  
8. 6K-6826 [1] ELBOW  
9. 6N-7550 [1] TUBE ASSEM. (air inlet)  
10. 9S-7720 [1] ELBOW  
11. 6N-7556 [1] TUBE ASSEM. (oil supply)  
12. 5K-9241 [1] ELBOW  
 

#UEG0882S0588
 

6N-7640: LINES GP-AIR COMPRESSOR

6N7640 AIR COMPRESSOR LINES GROUP--Type 2--Replaced by 8N6046 shown on Page 176C
Serial No. 4B12802-Up. AN ATTACHMENT
c217639 UEG0882S
6N7640 LINES GP-AIR COMPRESSOR Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7K-1517 [2] ELBOW  
2. 8B-2664 [1] CONNECTOR  
3. 6N-7553 [1] TUBE ASSEM.  
4. 5K-9240 [1] ELBOW  
5. 5K-9244 [1] ELBOW  
6. 6K-8079 [1] CONNECTOR  
7. 6N-7551 [1] TUBE ASSEM. (water inlet)  
8. 6K-6826 [1] ELBOW  
9. 6N-7550 [1] TUBE ASSEM. (air inlet)  
10. 9S-7720 [1] ELBOW  
11. 7N-9043 C [1] TUBE ASSEM. (oil supply)  
12. 5K-9241 [1] ELBOW  
13. 3L-6521 C [1] TEE  
14. 5M-6213 C [1] PLUG  
    (Not used with instrument panel)
 

#UEG0882S0589
 

8N-6046: LINES GP-AIR COMPRESSOR

8N6046 AIR COMPRESSOR LINES GROUP
AN ATTACHMENT
c176708 UEG0882S
8N6046 LINES GP-AIR COMPRESSOR Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7K-1517 [2] ELBOW  
2. 8B-2664 [1] BUSHING-REDUCING  
3. 6N-7553 [1] TUBE AS-OUTLET  
4. 5K-9240 [1] ELBOW-FLARED  
5. 5K-9244 [1] ELBOW-FLARED  
6. 6K-8079 [1] CONNECTOR-FLARED  
7. 6N-7551 [1] TUBE AS (WATER INLET)  
8. 6K-6826 [1] ELBOW  
9. 6N-7550 [1] TUBE AS (AIR INLET)  
10. 3B-6552 [1] ELBOW  
11. 9K-5466 [1] HOSE AS 45.72CM(18IN)  
12. 8L-6557 [1] CONNECTOR  
13. 4S-6399 [1] CONNECTOR  
14. 7J-8611 B [1] ELBOW  
  B   USE AS REQUIRED
 

Information:

General Service Information
Tu-Flo 300 Compressor
AIR COMPRESSORS TU-FLO 300, 400, 500, 501, 600, 700 & 1000 C
Tu-Flo 400, 500, 1000 Compressors
AIR COMPRESSORS TU-FLO 300, 400, 500, 501, 600, 700 & 1000 C
Tu-Flo 501 Compressor
AIR COMPRESSORS TU-FLO 300, 400, 500, 501, 600, 700 & 1000 C
Tu-Flo 600 Compressor
AIR COMPRESSORS TU-FLO 300, 400, 500, 501, 600, 700 & 1000 C
Tu-Flo 700 Compressor
AIR COMPRESSORS TU-FLO 300, 400, 500, 501, 600, 700 & 1000 C
Truck Engine News
A New Special Instruction , "Troubleshooting Compressed Air System Components and Performance" Is Available {1803, 5500}
2002/09/01
Engine News
A New Diagnostic Kit for the Evaluation of Air Compressor Operation is Introduced {1803}
2004/11/01
Special Instruction
Recommendations For Cold Weather Starting Of Engines Equipped To Operate Air Compressors And Drills{1000, 1450}
Recommendations For Cold Weather Starting Of Engines Equipped To Operate Air Compressors And Drills{1000, 1450}
Air Compressor Installation Instructions{1803}
Air Compressor Installation Instructions{1803}
Troubleshooting Compressed Air System Components and Performance{1803, 5500}
Troubleshooting Compressed Air System Components and Performance{1803, 5500}
Specifications
Air Compressor
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Service Magazine
New Crankshaft Assemblies{1202,1204,1206,1207,1212}
1982/11/01
Sleeve-Type Ring Compressors Can Be Used For Installation Of Pistons From The Bottom Of The Engine{0622}
1978/08/21
A New Special Instruction, REHS1428 , "Troubleshooting Compressed Air System Components and Performance" Is Available {1803, 5500}
2002/09/23

Caterpillar Parts SIS Catalog 3304 :

AIR COMPRESSOR GROUP
9L-5762 AIR COMPRESSOR GROUP
AIR COMPRESSOR GROUP
3N-6243 AIR COMPRESSOR GROUP
CLUTCH GP
2N-7078 CLUTCH GP
DRIVE GP-AUXILIARY
3N-2081 DRIVE GP-AUXILIARY
CLUTCH GP-FLYWHEEL
6L-6468 CLUTCH GP-FLYWHEEL
MOUNTING GP-ALTERNATOR
8N-6019 MOUNTING GP-ALTERNATOR
MOUNTING GP-ALTERNATOR
8N-6017 MOUNTING GP-ALTERNATOR
ALTERNATOR GP
7G-7889 ALTERNATOR GP
AIR COMPRESSOR GROUP
7N-7391 AIR COMPRESSOR GROUP
AIR COMPRESSOR GROUP
7N-7391 AIR COMPRESSOR GROUP
AIR COMPRESSOR GP
9N-8069 AIR COMPRESSOR GP
AIR COMPRESSOR GP
6N-7582 AIR COMPRESSOR GP
AIR COMPRESSOR GP
6N-7582 AIR COMPRESSOR GP
AIR COMPRESSOR LINES GROUP
4N-9015 AIR COMPRESSOR LINES GROUP
LINES GP-AIR COMPRESSOR
6N-7640 LINES GP-AIR COMPRESSOR
LINES GP-AIR COMPRESSOR
6N-7640 LINES GP-AIR COMPRESSOR

Truck sale:

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EMPIRE MACHINERY
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