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3N2305 MARINE GEAR GROUP-PART 1 OF 3-REPLACED BY 3T9305 SHOWN ON PAGES 158K, 158L AND 158N SPECIFICATION NO. 33867. PART OF 3N4842 MARINE GEAR ARRANGEMENT LISTED ON PAGE 146 3304




MARINE TRANSMISSION

TRANSMISSION GP-MARINE
 

#SEBP11950350
 

3N-2305: TRANSMISSION GP-MARINE

3N2305 MARINE GEAR GROUP-PART 1 OF 3-REPLACED BY 3T9305 SHOWN ON PAGES
158K, 158L AND 158N
SPECIFICATION NO. 33867. PART OF 3N4842 MARINE GEAR ARRANGEMENT LISTED ON
PAGE 146
c117924 SEBP1195
  For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-2318 [1] SHAFT AND GEAR ASSEM.  
    (Forward-48 Teeth)
2. 3D-9126 [4] CUP  
  6L-9790 [4] CONE  
3. 2K-9092 [2] RING  
4. 6L-9717 [2] SPRING  
5. 3N-2316 [1] PLATE (Instruction)  
  4B-4158 [4] SCREW  
6. 6L-9721 [2] RING  
7. 6L-9726 [4] RACE (.030"Thick)  
  6L-9722 [2] RACE (.0015"Thick)  
8. 3N-2327 [2] GEAR ASSEM. (23 Teeth)  
9. 3N-2315 [1] BUSHING  
10. 8M-4342 [4] BEARING  
11. 6L-9742 [2] RACE  
12. 6L-9736 [4] RING  
13. 2N-8870 [1] GASKET  
14. 2N-8871 [1] MOUNT ASSEM.  
15. 3N-2319 [1] SHAFT AND GEAR ASSEM.  
    (Reverse-48 Teeth)
16. 0S-1594 [9] BOLT  
17. 7M-7260 LIQUID GASKET  
18. 3N-4030 C [1] RING  
19. 2N-4619 [20] BLOCK  
20. 3N-2317 [1] SPIDER  
21. 3N-2322 [1] SUPPORT  
22. 6L-9765 [3] SHIM (.005"Thick)  
  6L-9766 [3] SHIM (.007"Thick)  
  6L-9767 [3] SHIM (.020"Thick)  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  2N-8882 [1] KIT (Shim-Plain)  
  2N-8881 [1] KIT (Shim-Slotted)  
  C   INDICATES CHANGE
 

#SEBP11950351
 

3N-2305: TRANSMISSION GP-MARINE

3N2305 MARINE GEAR GROUP-PART 2 OF 3-REPLACED BY 3T9305 SHOWN ON PAGES
158K, 158L AND 158N
SPECIFICATION NO. 33867. PART OF 3N4842 MARINE GEAR ARRANGEMENT LISTED
ON PAGE 146
c217918 SEBP1195
  For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6L-9718 [2] PISTON  
2. 5N-2614 C [2] RING  
3. 2N-2428 [18] PLATE  
4. 6L-9719 [16] PLATE  
5. 6L-9725 [2] PLATE  
6. 6L-9724 [2] RING  
7. 6L-9714 [1] KEY  
8. 7L-2188 [1] SEAL  
9. 0S-1629 [3] BOLT  
10. 6L-9746 [1] WASHER  
11. 6L-9744 [1] FLANGE  
12. 1M-3003 [1] SEAL  
13. 0S-1594 [6] BOLT  
14. 6L-9751 [1] RETAINER  
15. 6L-9755 [3] SHIM 0.13 mm (.005 in.) thick  
  6L-9756 [3] SHIM 0.18 mm(.007 in.) thick  
  6L-9757 [3] SHIM 0.51 mm(.020 in.) thick  
16. 7M-7260 LIQUID GASKET  
17. 2A-4576 [1] CUP  
  5D-3605 [1] CONE  
18. 3N-1326 [1] GEAR (68 Teeth)  
19. 6L-9748 [1] SHAFT  
20. 6L-9763 [1] CUP  
  6L-9764 [1] CONE  
21. 3N-2312 [1] GEAR (48 Teeth)  
22. 6L-9773 [1] CUP  
  6L-9774 [1] CONE  
23. 002-1214 [1] CUP  
  003-5263 [1] CONE  
24. 7L-2343 [1] SEAL  
25. 4H-9457 [1] WASHER  
26. 1A-1135 [1] BOLT  
27. 6L-5218 [1] KEY  
28. 3N-2320 [1] SHAFT  
29. 6L-9712 [1] KEY  
  C   INDICATES CHANGE
 

#SEBP11950352
 

3N-2305: TRANSMISSION GP-MARINE

3N2305 MARINE GEAR GROUP-PART 3 OF 3-REPLACED BY 3T9305 SHOWN ON PAGES
158K, 158L AND 158N
SPECIFICATION NO. 33867. PART OF 3N4842 MARINE GEAR ARRANGEMENT LISTED ON
PAGE 146. 2N8875 SELECTOR VALVE PARTS ARE SHOWN ON PAGE 166
c117925 SEBP1195
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Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-2667 [1] PUMP ASSEM.  
2. 8L-2779 C [4] SEAL  
3. 2N-8879 [2] TUBE  
4. 2N-8874 [1] FILLER ASSEM.  
5. 2N-8875 Y [1] VALVE ASSEM.  
    (See Separate Illustration)
6. 0S-1594 [2] BOLT (1" Long)  
  0S-1590 [1] BOLT (2" Long)  
7. 3N-2362 [1] GAUGE  
8. 3N-2363 [1] TUBE ASSEM.  
9. 6L-8384 [2] BRACKET  
10. 0S-1595 [8] BOLT  
  9B-0453 [8] LOCKWASHER  
11. 3N-2375 [1] HOUSING ASSEM.  
  3N-2365 [1] GASKET  
12. 9S-4190 [1] PLUG  
  7L-2224 [1] SEAL  
13. 0S-1595 [8] BOLT  
14. 4L-9793 [2] PIN  
15. 1A-5822 [1] BOLT  
16. 3N-2321 [1] SCREEN ASSEM.  
17. 0S-1617 [3] BOLT  
18. 2N-9018 [1] COVER  
  2N-9019 [1] GASKET  
19. 2B-7457 [1] PLUG  
20. 7L-2180 [1] SEAL  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#SEBP11950353
 

3T-9302: TRANSMISSION GP-MARINE

3T9302 MARINE GEAR GROUP-1.97:1 RATIO-R.H.-ROTATION-PART 1 OF 3
AN ATTACHMENT
c304593 SEBP1195
  For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6L-9718 [2] PISTON-CLUTCH  
2. 5N-2614 [2] SEAL-RING  
3. 3T-9293 [18] PLATE-CLUTCH  
4. 6L-9719 [16] PLATE-STEEL CLUTCH  
5. 6L-9725 [2] PLATE-BACK  
6. 6L-9724 [2] RING-RETAINING  
7. 6L-9713 [1] KEY  
8. 4L-4934 [1] GASKET-NUT  
9. 2L-1701 [1] BOLT  
10. 2N-2430 [1] WASHER  
11. 6L-9743 [1] FLANGE-OUTPUT  
12. 7L-2375 [1] SEAL-LIP TYPE  
13. 0S-1595 [3] BOLT  
14. 6L-9750 [1] RETAINER-BEARING  
15. 6L-9752 [3] SHIM-BEARING 0.13MM(.005IN)THK  
  6L-9753 [3] SHIM-BEARING 0.18MM(.007IN)THK  
  6L-9754 [3] SHIM-BEARING 0.51MM(.020IN)THK  
16. 7M-7260 LIQUID GASKET  
17. 2B-3380 [1] CUP  
  6L-9749 [1] CONE-BEARING  
18. 3N-2371 [1] GEAR-OUTPUT (59 TEETH)  
19. 3N-2368 [1] SHAFT-OUTPUT  
20. 2D-9190 [1] CUP-ROLLER BEARING  
  6L-9762 [1] CONE-ROLLER BEARING  
21. 3N-2312 [1] GEAR-INPUT (48 TEETH)  
22. 6L-9773 [1] CUP-ROLLER BEARING  
  6L-9774 [1] CONE-ROLLER BEARING  
23. 002-1214 [1] CUP-ROLLER BEARING  
  003-5263 [1] CONE-ROLLER BEARING  
24. 7L-2343 [1] SEAL-LIP TYPE  
25. 4H-9457 [1] WASHER  
26. 1A-1135 [1] BOLT  
27. 6L-5218 [1] KEY  
28. 3N-2320 [1] SHAFT-INPUT  
29. 6L-9712 [1] KEY  
 

#SEBP11950354
 

3T-9302: TRANSMISSION GP-MARINE

3T9302 MARINE GEAR GROUP-1.97:1 RATIO-R.H. ROTATION-PART 2 OF 3
AN ATTACHMENT
c304594 SEBP1195
  For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-2366 [1] SHAFT & GEAR AS (FORWARD-48 TEETH)  
2. 3D-9126 [4] CUP  
  6L-9790 [4] CONE-ROLLER BEARING  
3. 2K-9092 [2] RING-METAL SEAL  
4. 6L-9717 [2] SPRING-CLUTCH PISTON  
5. 3N-2325 [1] PLATE-INSTRUCTION  
  4B-4158 [4] SCREW  
6. 6L-9721 [2] RING-RETAINING  
7. 6L-9726 [4] RACE .77MM(.030IN)THK  
  6L-9722 [2] RACE 3.16MM(.124IN)THK  
8. 3N-2372 [2] GEAR AS  
9. 3N-2360 [1] BUSHING  
10. 8M-4342 [4] BEARING-THRUST  
11. 6L-9742 [2] RACE-THRUST  
12. 6L-9736 [4] RING-PISTON  
13. 2N-8870 [1] GASKET-PUMP MOUNTING  
14. 2N-8871 [1] MOUNT AS-PUMP  
15. 3N-2367 [1] SHAFT & GEAR AS (REVERSE-48 TEETH)  
16. 0S-1594 [9] BOLT  
17. 7M-7260 LIQUID GASKET  
18. 3N-4030 [1] RING-DRIVE  
19. 2N-4619 [20] BLOCK-RUBBER  
20. 3N-2317 [1] SPIDER-DRIVE  
21. 3N-2322 [1] SUPPORT-BEARING  
22. 6L-9765 [3] SHIM-BEARING .13MM(.005IN)THK  
  6L-9766 [3] SHIM-BEARING .18MM(.007IN)THK  
  6L-9767 [3] SHIM-BEARING .51MM(.020IN)THK  
   
    THE FOLLOWING REPAIR
    KITS ARE AVAILABLE:
  2N-8882 [1] KIT-SHIM (PLAIN)  
  2N-8881 [1] KIT-SHIM (SLOTTED)  
 

#SEBP11950355
 

3T-9302: TRANSMISSION GP-MARINE

3T9302 MARINE GEAR GROUP-1.97:1 RATIO-R.H. ROTATION-PART 3 OF 3
2N8875 VALVE PARTS ARE SHOWN ON PAGE 166
AN ATTACHMENT
c304595 SEBP1195
  For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-2667 [1] PUMP AS-OIL  
2. 8L-2779 [4] SEAL-O-RING  
3. 2N-8879 [2] TUBE-CONNECTOR  
4. 2N-8874 [1] FILLER & BREATHER AS  
5. 2N-8875 Y [1] VALVE AS-SELECTOR  
6. 0S-1594 [2] BOLT 25.4MM(1IN)LONG  
  0S-1590 [1] BOLT 50.8MM(2IN)LONG  
7. 3N-2362 [1] GAUGE-OIL LEVEL  
8. 3N-2363 [1] TUBE AS-OIL GAUGE  
9. 6L-8384 [2] SUPPORT-MOUNTING  
10. 0S-1595 [8] BOLT  
  9B-0453 [8] LOCKWASHER  
11. 3N-2364 [1] HOUSING AS-MAIN  
  3N-2365 [1] GASKET  
12. 9S-4190 [1] PLUG-0-RING  
  7L-2224 [1] SEAL-O-RING  
13. 0S-1595 [8] BOLT  
14. 4L-9793 [2] DOWEL  
15. 2B-0947 [1] BOLT  
16. 2N-8878 [1] SCREEN AS-FILTER  
17. 0S-1617 [3] BOLT  
18. 2N-9018 [1] COVER  
  2N-9019 [1] GASKET-COVER  
19. 2B-7457 [1] PLUG-PIPE  
20. 7L-2180 [1] SEAL-O-RING  
  Y   SEPARATE ILLUSTRATION
 

#SEBP11950356
 

3T-9303: TRANSMISSION GP-MARINE

3T9303 MARINE GEAR GROUP-1.97:1 RATIO-L.H. ROTATION-PART 1 OF 3
AN ATTACHMENT
c304602 SEBP1195
  For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-2366 [1] SHAFT & GEAR AS (FORWARD-48 TEETH)  
2. 3D-9126 [4] CUP  
  6L-9790 [4] CONE-ROLLER BEARING  
3. 2K-9092 [2] RING-METAL SEAL  
4. 6L-9717 [2] SPRING-CLUTCH PISTON  
5. 3N-2316 [1] PLATE-INSTRUCTION  
  4B-4158 [4] SCREW  
6. 6L-9721 [2] RING-RETAINING  
7. 6L-9726 [4] RACE .77MM(.030IN)THK  
  6L-9722 [2] RACE 3.16MM(.124IN)THK  
8. 3N-2374 [2] GEAR AS  
9. 3N-2360 [1] BUSHING  
10. 8M-4342 [4] BEARING-THRUST  
11. 6L-9742 [2] RACE-THRUST  
12. 6L-9736 [4] RING-PISTON  
13. 2N-8870 [1] GASKET-PUMP MOUNTING  
14. 2N-8871 [1] MOUNT AS-PUMP  
15. 3N-2367 [1] SHAFT & GEAR AS (REVERSE-48 TEETH)  
16. 0S-1594 [9] BOLT  
17. 7M-7260 LIQUID GASKET  
18. 3N-4030 [1] RING-DRIVE  
19. 2N-4619 [20] BLOCK-RUBBER  
20. 3N-2317 [1] SPIDER-DRIVE  
21. 3N-2322 [1] SUPPORT-BEARING  
22. 6L-9765 [3] SHIM-BEARING .13MM(.005IN)THK  
  6L-9766 [3] SHIM-BEARING .18MM(.007IN)THK  
  6L-9767 [3] SHIM-BEARING .51MM(.020IN)THK  
   
    THE FOLLOWING REPAIR
    KITS ARE AVAILABLE:
  2N-8882 [1] KIT-SHIM (PLAIN)  
  2N-8881 [1] KIT-SHIM (SLOTTED)  
 

#SEBP11950357
 

3T-9303: TRANSMISSION GP-MARINE

3T9303 MARINE GEAR GROUP-1.97:1 RATIO-L.H. ROTATION-PART 2 OF 3
AN ATTACHMENT
c304603 SEBP1195
  For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6L-9718 [2] PISTON-CLUTCH  
2. 5N-2614 [2] SEAL-RING  
3. 3T-9293 [18] PLATE-CLUTCH  
4. 6L-9719 [16] PLATE-STEEL CLUTCH  
5. 6L-9725 [2] PLATE-BACK  
6. 6L-9724 [2] RING-RETAINING  
7. 6L-9713 [1] KEY  
8. 4L-4934 [1] GASKET-NUT  
9. 2L-1701 [1] BOLT  
10. 2N-2430 [1] WASHER  
11. 6L-9743 [1] FLANGE-OUTPUT  
12. 7L-2375 [1] SEAL-LIP TYPE  
13. 0S-1595 [3] BOLT  
14. 6L-9750 [1] RETAINER-BEARING  
15. 6L-9752 [3] SHIM-BEARING 0.13MM(.005IN)THK  
  6L-9753 [3] SHIM-BEARING 0.18MM(.007IN)THK  
  6L-9754 [3] SHIM-BEARING 0.51MM(.020IN)THK  
16. 7M-7260 LIQUID GASKET  
17. 2B-3380 [1] CUP  
  6L-9749 [1] CONE-BEARING  
18. 3N-2373 [1] GEAR-OUTPUT (59 TEETH)  
19. 3N-2368 [1] SHAFT-OUTPUT  
20. 2D-9190 [1] CUP-ROLLER BEARING  
  6L-9762 [1] CONE-ROLLER BEARING  
21. 3N-2312 [1] GEAR-INPUT (48 TEETH)  
22. 6L-9773 [1] CUP-ROLLER BEARING  
  6L-9774 [1] CONE-ROLLER BEARING  
23. 002-1214 [1] CUP-ROLLER BEARING  
  003-5263 [1] CONE-ROLLER BEARING  
24. 7L-2343 [1] SEAL-LIP TYPE  
25. 4H-9457 [1] WASHER  
26. 1A-1135 [1] BOLT  
27. 6L-5218 [1] KEY  
28. 3N-2320 [1] SHAFT-INPUT  
29. 6L-9712 [1] KEY  
 

#SEBP11950358
 

3T-9303: TRANSMISSION GP-MARINE

3T9303 MARINE GEAR GROUP-1.97:1 RATIO-L.H. ROTATION-PART 3 OF 3
2N8875 SELECTOR VALVE PARTS ARE SHOWN ON PAGE 66
AN ATTACHMENT
c304604 SEBP1195
  For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-2667 [1] PUMP AS-OIL  
2. 8L-2779 [4] SEAL-O-RING  
3. 2N-8879 [2] TUBE-CONNECTOR  
4. 2N-8874 [1] FILLER & BREATHER AS  
5. 2N-8875 Y [1] VALVE AS-SELECTOR  
6. 0S-1594 [2] BOLT 25.4MM(1IN)LONG  
  0S-1590 [1] BOLT 50.8MM(2IN)LONG  
7. 3N-2362 [1] GAUGE-OIL LEVEL  
8. 3N-2363 [1] TUBE AS-OIL GAUGE  
9. 6L-8384 [2] SUPPORT-MOUNTING  
10. 0S-1595 [8] BOLT  
  9B-0453 [8] LOCKWASHER  
11. 3N-2364 [1] HOUSING AS-MAIN  
  3N-2365 [1] GASKET  
12. 9S-4190 [1] PLUG-0-RING  
  7L-2224 [1] SEAL-O-RING  
13. 0S-1595 [8] BOLT  
14. 4L-9793 [2] DOWEL  
15. 2B-0947 [1] BOLT  
16. 2N-8878 [1] SCREEN AS-FILTER  
17. 0S-1617 [3] BOLT  
18. 2N-9018 [1] COVER  
  2N-9019 [1] GASKET-COVER  
19. 2B-7457 [1] PLUG-PIPE  
20. 7L-2180 [1] SEAL-O-RING  
  Y   SEPARATE ILLUSTRATION
 

#SEBP11950359
 

3T-9304: TRANSMISSION GP-MARINE

3T9304 MARINE GEAR GROUP-2.96:1 RATIO-R.H. ROTATION-PART 1 OF 3
SPECIFICATION NO. 36997
AN ATTACHMENT
c304701 SEBP1195
  For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-2318 [1] SHAFT & GEAR AS (FORWARD-48 TEETH)  
2. 3D-9126 [4] CUP  
  6L-9790 [4] CONE-ROLLER BEARING  
3. 2K-9092 [2] RING-METAL SEAL  
4. 6L-9717 [2] SPRING-CLUTCH PISTON  
5. 3N-2325 [1] PLATE-INSTRUCTION  
  4B-4158 [4] SCREW  
6. 6L-9721 [2] RING-RETAINING  
7. 6L-9726 [4] RACE .76MM(.03IN)THK  
  6L-9722 [2] RACE 3.16MM(.124IN)THK  
8. 3N-2329 [2] GEAR AS (23 TEETH)  
9. 3N-2315 [1] BUSHING  
10. 8M-4342 [4] BEARING-THRUST  
11. 6L-9742 [2] RACE-THRUST  
12. 6L-9736 [4] RING-PISTON  
13. 2N-8870 [1] GASKET-PUMP MOUNTING  
14. 2N-8871 [1] MOUNT AS-PUMP  
15. 3N-2319 [1] SHAFT & GEAR AS (REVERSE-48 TEETH)  
16. 0S-1594 [9] BOLT  
17. 7M-7260 LIQUID GASKET  
18. 3N-4030 [1] RING-DRIVE  
19. 2N-4619 [20] BLOCK-RUBBER  
20. 3N-2317 [1] SPIDER-DRIVE  
21. 3N-2322 [1] SUPPORT-BEARING  
22. 6L-9765 [3] SHIM-BEARING .13MM(.005IN)THK  
  6L-9766 [3] SHIM-BEARING .18MM(.007IN)THK  
  6L-9767 [3] SHIM-BEARING .51MM(.02IN)THK  
   
    THE FOLLOWING REPAIR
    KITS ARE AVAILABLE:
  2N-8882 [1] KIT-SHIM (PLAIN)  
  2N-8881 [1] KIT-SHIM (SLOTTED)  
 

Caterpillar Parts SIS Catalog 3304 :

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