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3N1603 MARINE GEAR ASSEMBLY--4.09:1 Ratio--Side View--Type 2--Part 1 of 3 Specification No. 33860 Part of 3N1606 Marine Gear Arrangement listed on Page 104-1 D353C




MARINE TRANSMISSION

TRANSMISSION GP-MARINE
 

#UE0343030970
 

3N-1603: TRANSMISSION GP-MARINE

3N1603 MARINE GEAR ASSEMBLY--4.09:1 Ratio--Side View--Type 2--Part 1 of 3
Specification No. 33860
Part of 3N1606 Marine Gear Arrangement listed on Page 104-1
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Parts for your D353C MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1F-1440 [1] RING  
  9S-2548 [1] BEARING  
  4L-9322 [1] PLATE  
  4L-9323 [4] SCREW  
  1L-9309 [4] COVER  
  0L-1351 [8] BOLT  
  0L-0364 [8] LOCK  
  1L-9310 [4] SPACER  
  1L-9307 [4] PISTON  
  3L-3316 [2] RING  
  1L-9308 [4] SPRING  
  3N-1615 [1] SHAFT ASSEM.  
  3H-2617 [1] PIN  
    (Part of 3N1615 Assem.)
  3N-1623 [1] BOLT  
  7L-2174 [1] SEAL  
  9F-2247 [2] PLUG  
    (Part of 3N1621 Assem.)
  1N-5969 [1] SPIDER  
  0S-1595 [16] BOLT  
  3N-1621 [1] CYLINDER ASSEM.  
  3N-1643 [6] PLUG (Expansion)  
  3K-5762 C [1] PLUG (pipe)  
    (Parts of 3N1621 Assem.)
  3L-3315 [2] RING  
  4L-7653 [2] PISTON  
  2H-6232 [6] BOLT  
  3L-3257 [1] RING  
  8L-5858 [10] PLATE  
  3L-3274 [8] PLATE  
  3F-3727 [1] RING  
  3L-3299 [1] RACE  
  5S-4630 [1] RACE & ROLLER ASSEM  
  3L-3311 [2] RING  
  1L-9283 [1] PISTON  
  1L-9282 [1] SPRING  
  2B-7411 [1] PLUG (.75" N P T)  
  2B-7410 [1] PLUG (.50" N P T)  
  3L-3252 [1] PLATE  
  3L-3305 [1] GASKET  
  3L-3297 [1] RACE  
  4L-0734 [1] RACE ASSEM.  
  2N-9418 [1] BREATHER ASSEM.  
  7L-2175 [1] "O" RING  
  0S-1594 [20] BOLT  
  2L-3650 [4] PIN (SPRING)  
  3N-1620 [1] CYLINDER ASSEM.  
  3N-1643 [6] PLUG (Expansion)  
  3K-5762 C [1] PLUG (pipe)  
    (Parts of 3N1620 Assem.)
  3L-3345 [2] PLATE  
  1A-2343 [10] BOLT  
  3L-3350 [2] WASHER  
  3L-3317 [6] RING  
  3N-1618 [1] ADAPTER  
  3L-3307 [1] GASKET  
  3L-3344 [4] STUD  
  2F-8616 C [4] NUT  
  8L-5397 [2] HUB  
  1N-7978 [3] BOLT  
  4H-8380 [3] PIN  
    (Parts of 3N1620 Assem.)
  4L-7661 [16] BOLT  
  3L-3346 [8] PLATE  
  3L-3275 [16] SPRING  
  3L-3314 [2] SEAL  
  3L-3286 [1] SPACER  
  3L-3321 [1] KEY  
  3L-3292 [1] SPACER  
  3L-7318 [6] SHIM (.005" THICK)  
  8L-5324 [4] SHIM (.007" THICK)  
  8L-5325 [2] SHIM (.020" THICK)  
  4L-0689 [1] PAN  
  0S-1590 [4] BOLT  
  3L-7314 [4] WASHER  
  C   INDICATES CHANGE
 

#UE0343030971
 

3N-1603: TRANSMISSION GP-MARINE

3N1603 MARINE GEAR ASSEMBLY--4.09:1 Ratio--Side View--Type 2--Part 2 of 3
Specification No. 33860
Part of 3N1606 Marine Gear Arrangement listed on Page 104-1
c146763 UE034303
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Parts for your D353C MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3L-3280 [1] GEAR  
  9F-2247 [1] PLUG  
  2B-7411 [1] PLUG  
    (PARTS OF ASSEM. 2N4864)
  5L-4380 [1] RING  
  2N-4620 C [32] BLOCK  
  3L-3310 [1] RING  
  3L-3312 [1] RING  
  7L-2176 [1] "O" RING  
  2N-2197 [1] CARRIER  
  5L-6324 [1] BEARING  
  2N-2200 [1] HUB  
  3N-1622 [1] ADAPTER  
  3L-3309 [4] RING  
  3L-3296 [1] BEARING  
  3L-3290 [1] SPACER  
  3L-3313 [1] SEAL  
  3L-3270 [2] PLATE  
  6L-6760 [1] NUT ASSEM.  
  0T-0703 [1] BOLT  
  0L-0364 [1] LOCK  
    (PARTS OF ASSEM. 6L6760)
  3N-1610 [1] SHAFT AND PINION  
  3N-1611 [1] GEAR (38 Teeth)  
  3L-3287 [1] SPACER  
  3L-3302 [1] BEARING ASSEM.  
  3N-1614 [1] BOLT  
  3N-1612 [1] WASHER  
  3L-3304 [1] RACE  
  3L-3303 [1] RACE ASSEM. (Outer)  
  3L-3289 [1] GEAR  
  7H-3171 [1] PLUG  
  3N-1613 [1] RING  
  3L-3266 [1] SPRING  
  2K-9111 [1] PIN (Spring-Outer)  
    (Parts of Pipe Assem. 6L7544)
  3L-3264 [1] PISTON  
  2K-9111 [1] PIN (SPRING-OUTER)  
  2L-3605 [1] PIN (SPRING-INNER)  
    (PARTS OF PIPE ASSEM 6L7544)
  6L-7544 [1] PIPE ASSEM.  
  3L-3308 [1] GASKET  
  3L-3306 [1] GASKET  
  6L-7543 [1] COLLECTOR ASSEM.  
  3L-3258 [1] CARRIER  
  3L-3295 [1] BEARING  
  3N-1617 [1] NUT  
  3N-1619 [1] COLLECTOR ASSEM.  
  3N-4876 C [1] ADAPTER  
  3L-3326 [1] PIN  
  3L-7317 [2] PLUG  
  3H-2617 [1] PIN  
    (Parts of 3N1619 Assem.)
  3L-3366 [1] BEARING  
  3L-3364 [1] PINION  
  8F-1610 [2] CONE  
  3L-1837 [1] WASHER  
  2H-3725 [3] BOLT  
  7F-6006 [2] CUP  
  6L-6774 [2] SHIM. (.018"THICK)  
  5L-8044 [2] SHIM. (.015"THICK)  
  5L-8045 [2] SHIM. (.010"THICK)  
  7L-2197 [1] SEAL  
  3L-3285 [1] FLANGE  
  3L-3283 [1] SHAFT  
  3L-3254 [1] RETAINER  
  2N-6037 [1] SEAL  
  0S-1585 [11] BOLT  
  3D-2189 [1] NIPPLE  
  2N-4866 [1] PLATE  
  2N-4865 [1] GASKET  
  1A-2029 [18] BOLT  
  1T-0689 [18] WASHER  
  C   INDICATES CHANGE
 

#UE0343030972
 

3N-1603: TRANSMISSION GP-MARINE

3N1603 MARINE GEAR ASSEMBLY--4.09:1 Ratio--End View--Type 2--Part 3 of 3
Specification No. 33860. Part of 3N1606 Marine Gear Arrangement listed on Page 104-1
7L7326 Valve, 4L6649 Pump and 3N7153 Housing parts are shown on Pages 114, 114B and 114C
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Parts for your D353C MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  9B-3523 C [1] BUSHING  
  9L-7971 C [1] CROSS  
  3J-5389 C [1] PLUG  
  8B-2664 C [1] BUSHING  
  3B-7270 [1] NIPPLE  
  6L-4898 [1] GAUGE ASSEM.  
  2H-5228 [1] TUBE  
  2L-0152 [1] PLATE  
  4B-4158 [4] SCREW  
  7L-7326 Y [1] VALVE ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  4B-2661 [1] PLUG  
  0T-0573 [4] BOLT  
  3L-3359 [1] HOUSING  
  3L-3360 [1] STRAINER  
  4B-4609 [1] NIPPLE  
  3N-7153 CY [1] HOUSING ASSEM.  
    (Separate Illustration)
  3L-3869 [1] UNION  
  2B-7412 [3] PLUG (PIPE)  
    (PART OF MANIFOLD ASSEM. 1N9248)
  1N-9248 [1] MANIFOLD ASSEM.  
  9F-2247 [1] PLUG (.125" N P.T.)  
  7M-7410 [1] PLUG (.375" N P.T.)  
  3L-1850 [2] PLUG (.50" N.P.T.)  
  7H-3171 [2] PLUG (.25" N.P.T.)  
    (PARTS OF MANIFOLD ASSEM. 1N9248)
  3B-8485 [1] FITTING  
  6L-6766 [1] HOSE ASSEM.  
  3B-6499 [1] ELBOW  
  8B-7245 [1] CHAIN  
  8B-7016 [1] LINK  
  6F-5272 [1] CLIP  
  5B-6172 [1] WASHER  
  6L-7513 [1] HOSE ASSEM.  
  4L-6649 Y [1] PUMP ASSEM  
    (SEE SEPARATE ILLUSTRATION)
  9S-1366 [4] BOLT  
  3L-3307 [1] GASKET  
  0S-1594 [14] BOLT  
  4B-5984 [1] ELBOW  
  3B-7270 [1] NIPPLE  
  1L-9366 [1] PLATE  
  1L-9367 [1] GASKET  
  2B-0947 [4] BOLT  
  1L-9286 [1] TUBE ASSEM  
  5S-0485 [1] ELEMENT ASSEM.  
  1L-9365 [1] BODY  
  5L-5917 [1] SEAT  
  1L-9297 [1] SPRING  
  0S-1585 [3] BOLT  
  4B-4280 [3] WASHER  
  2B-7411 [1] PLUG  
  2B-7412 [5] PLUG (PIPE)  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UE0343030973
 

7L-7326: SELECTOR VALVE ASSEMBLY

7L7326 SELECTOR VALVE ASSEMBLY
Part of Marine Gears shown on Pages 104D, 104G, 104K, 104N, 104R, 107J, 107M,
107Q, 107T, 107X, 110J, 110M, 110Q, 110T, 110W, 110Z, 113J, 113M, 113Q,
113T & 113X
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Parts for your D353C MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  [1] LEVER  
  [1] BOLT  
  [1] STEM  
  [1] SEAL  
  [1] BEARING  
  [1] COLLAR  
  [1] PIN  
  [8] BOLT  
  [1] COVER  
  [1] GASKET  
  [1] SPRING  
  [1] DETENT  
  [2] PLUG  
  [1] BODY  
  [1] GASKET  
  [1] PISTON  
  [1] SPRING ASSEM.  
  [1] BALL  
  [1] SPRING  
  [1] PLATE  
  [1] PISTON  
  [1] COVER  
  [2] GASKET  
 

#UE0343030974
 

4L-7662: SELECTOR VALVE ASSEMBLY

4L7662 SELECTOR VALVE ASSEMBLY
Part of Marine Gears shown on Pages 107, 107C, 110, 110C, 113 & 113C
c65342 UE034303
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Parts for your D353C MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2H-6410 [1] BALL  
  3L-1813 [1] STEM  
  8F-3469 [1] "O"RING  
  1L-9399 [1] BEARING  
  7F-3425 [2] BOLT  
  1L-9391 [1] LEVER  
  2H-6265 [1] ROLL PIN  
  0S-1618 [8] BOLT  
  3L-1812 [1] COVER  
  1L-9393 [1] GASKET  
  1L-9305 [1] SPRING  
  2H-6402 [1] DETENT  
  1L-9392 [2] PLUG  
  1L-9387 [1] BODY  
  1L-9397 [1] GASKET  
  1L-9390 [1] PISTON  
  4L-3223 [1] SPRING ASSEM.  
  0T-0573 [2] BOLT  
  4B-9783 [1] BALL  
  1L-9303 [1] SPRING  
  4L-0695 [1] PLATE  
  1L-9291 [1] PISTON  
  1L-9396 [1] COVER  
  1L-9394 [2] GASKET  
 

#UE0343030975
 

6L-5898: SELECTOR VALVE ASSEMBLY

6L5898 SELECTOR VALVE ASSEMBLY
Part of Marine Gears shown on Pages 107, 107C, 107F, 110, 110C,
110F, 113, 113C and 113F
c93693 UE034303
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Parts for your D353C MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  6L-5895 [1] LEVER  
  6L-5897 [1] BOLT  
  6L-5896 [1] STEM  
  8F-3469 [1] "O"RING  
  1L-9399 [1] BEARING  
  6L-5894 [1] COLLAR  
  2H-6265 [1] ROLL PIN  
  0S-1618 [8] BOLT  
  3L-1812 [1] COVER  
  1L-9393 [1] GASKET  
  1L-9305 [1] SPRING  
  2H-6402 [1] DETENT  
  7H-3171 [2] PLUG  
  1L-9387 [1] BODY  
  1L-9397 [1] GASKET  
  1L-9390 [1] PISTON  
  4L-3223 [1] SPRING ASSEM.  
  4B-9783 [1] BALL  
  1L-9303 [1] SPRING  
  4L-0695 [1] PLATE  
  1L-9291 [1] PISTON  
  1L-9396 [1] COVER  
  1L-9394 [2] GASKET  
 

#UE0343030976
 

6L-7608: SELECTOR VALVE ASSEMBLY

6L7608 SELECTOR VALVE ASSEMBLY
Part of Marine Gears shown on Pages 107F, 110F and 113F
c92942 UE034303
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Parts for your D353C MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  6L-5895 [1] LEVER  
  6L-5897 [1] BOLT  
  6L-5896 [1] STEM  
  8F-3469 [1] "O"RING  
  1L-9399 [1] BEARING  
  0T-0573 [4] BOLT  
  6L-5894 [1] COLLAR  
  2H-6265 [1] PIN  
  0S-1618 [8] BOLT  
  3L-1812 [1] COVER  
  1L-9393 [1] GASKET  
  1L-9305 [1] SPRING  
  2H-6402 [1] DETENT  
  7H-3171 [2] PLUG  
  1L-9387 [1] BODY  
  1L-9397 [1] GASKET  
  1L-9390 [1] PISTON  
  4L-3223 [1] SPRING ASSEM.  
  4B-9783 [1] BALL  
  1L-9303 [1] SPRING  
  4L-0695 [1] PLATE  
  1L-9291 [1] PISTON  
  1L-9396 [1] COVER  
  1L-9394 [2] GASKET  
 

#UE0343030977
 

4L-6649: PUMP AS-OIL

4L6649 PUMP ASSEMBLY--Type 1
Part of Marine Gears shown on Pages 104D, 107, 107C, 107F, 107J, 107M,
110, 110C, 110F, 110J, 110M, 113, 113C, 113F, 113J and 113M
c105788 UE034303
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Parts for your D353C MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4L-6923 [1] PLATE ASSEM.  
  4L-6940 [1] PLUG  
  4L-6944 [2] BEARING  
    (PARTS OF COVER ASSEM. 4L6939)
  0V-0375 [8] BOLT  
  3B-4508 [8] LOCKWASHER  
  4L-6939 [1] COVER ASSEM.  
  4L-9381 [1] PLATE ASSEM  
  4L-9382 [4] DOWEL  
    (PART OF PLATE ASSEM. 4L9381)
  4L-8513 [1] GEAR  
  1B-8708 [1] KEY  
  4L-6934 [1] BODY ASSEM  
  4B-1282 [3] SCREW  
  4L-7711 [1] "O" RING  
    (PART OF PLATE ASSEM. 4L6932)
  4L-6923 [1] PLATE ASSEM.  
  4L-6930 [1] SHAFT  
  4L-6943 [2] RING  
  4L-6942 [1] SEAL (OIL)  
    (PART OF PLATE ASSEM. 4L6932)
  4L-6932 [1] PLATE ASSEM.  
  4L-6944 [2] BEARING  
    (PART OF BODY ASSEM 4L6934)
  4L-6925 [1] BLOCK (INLET)  
  4L-6924 [1] BLOCK (OUTLET)  
  4F-9029 [2] RING  
  2D-4534 [8] SCREW  
  4L-8510 [1] GEAR ASSEM.  
  1B-8708 [1] KEY  
  5L-5410 [2] RING  
  4L-6937 [1] SHAFT  
  4L-8511 [1] GEAR  
 

#UE0343030978
 

4L-6649: PUMP AS-OIL

4L6649 PUMP ASSEMBLY--Type 2
Part of Marine Gears shown on Pages 104G, 104K, 107Q, 107T,
110Q, 110T, 113Q and 113T
c105789 UE034303
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Parts for your D353C MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4L-6923 [1] PLATE ASSEM.  
  4L-6940 [1] PLUG  
  4L-6944 [2] BEARING  
    (PARTS OF COVER ASSEM. 4L6939)
  0V-0375 [8] BOLT  
  3B-4508 [8] LOCKWASHER  
  4L-6939 [1] COVER ASSEM.  
  8L-8083 C [1] PLATE  
  4L-6926 C [2] PIN  
  4L-8513 [1] GEAR  
  1B-8708 [1] KEY  
  4L-6934 [1] BODY ASSEM.  
  4B-1282 [3] SCREW  
  4L-7711 [1] "O" RING  
    (PART OF PLATE ASSEM. 4L6932)
  4L-6923 [1] PLATE ASSEM.  
  4L-6930 [1] SHAFT  
  4L-6943 [2] RING  
  4L-6942 [1] SEAL (OIL)  
    (PART OF PLATE ASSEM. 4L6932)
  4L-6932 [1] PLATE ASSEM.  
  4L-6944 [2] BEARING  
    (PART OF BODY ASSEM 4L6934)
  1N-7520 C [1] BLOCK (INLET)  
  1N-7521 C [1] BLOCK (OUTLET)  
  4F-9029 [2] RING  
  1N-7284 C [8] BOLT  
  4L-8510 [1] GEAR ASSEM.  
  1B-8708 [1] KEY  
  5L-5410 [2] RING  
  4L-6937 [1] SHAFT  
  4L-8511 [1] GEAR  
  C   INDICATES CHANGE FROM PREVIOUS
 

#UE0343030979
 

3N-7153: HOUSING AS-MAIN

3N7153 HOUSING ASSEMBLY--Main
Part of 3N1602, 3N1601 and 3N1603 Marine Gear Assemblies shown on Pages 104U, 110Z-3 and 113Z-4
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Parts for your D353C MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9F-2247 [2] PLUG  
2. 1D-4574 [6] BOLT  
3. 4L-0693 [1] PIN  
4. 3H-9675 [1] PIN  
5. 3L-3248 [6] PIN  
6. 0S-1585 [15] BOLT  
7. 7M-7260 [2] GASKET  
8. 4L-0694 [1] PIN  
9. 3L-3324 [1] PIN  
10. 1B-5174 [1] PLUG  
 

Information:

Special Instruction
Alignment Of Caterpillar Marine Transmissions And Marine Engines{1000, 3300}
Alignment Of Caterpillar Marine Transmissions And Marine Engines{1000, 3300}
Sea Trial Measurements On Caterpillar Marine Engines{1000, 3300}
Sea Trial Measurements On Caterpillar Marine Engines{1000, 3300}
Specifications
Oil Pump<BR> (1N9239)
D353 INDUSTRIAL & MARINE ENGINES
Oil Filter<BR> (2S6457)
D353 INDUSTRIAL & MARINE ENGINES
Directional Clutch<BR> (2N4562)
D353 INDUSTRIAL & MARINE ENGINES
Oil Pump<BR> (4L6649)
D353 INDUSTRIAL & MARINE ENGINES
Marine Gear
D353 INDUSTRIAL & MARINE ENGINES
Filter<BR> (1L9365)
D353 INDUSTRIAL & MARINE ENGINES
Systems Operation
7231 Marine Transmission Systems Operation
D353 INDUSTRIAL & MARINE ENGINES
Testing and Adjusting
7231 Marine Transmission Testing And Adjusting
D353 INDUSTRIAL & MARINE ENGINES
Disassembly and Assembly
Oil Pump
D353 INDUSTRIAL & MARINE ENGINES
Magnetic Strainer And Oil Filter
D353 INDUSTRIAL & MARINE ENGINES
Oil Cooler
D353 INDUSTRIAL & MARINE ENGINES
Top Shaft
D353 INDUSTRIAL & MARINE ENGINES
Clutches
D353 INDUSTRIAL & MARINE ENGINES
Clutch Drive Spider
D353 INDUSTRIAL & MARINE ENGINES
Top Shaft
D353 INDUSTRIAL & MARINE ENGINES
Idler Gear
D353 INDUSTRIAL & MARINE ENGINES
Reduction Gear And Planetary
D353 INDUSTRIAL & MARINE ENGINES
Lower Shaft
D353 INDUSTRIAL & MARINE ENGINES
Oil Pump
D353 INDUSTRIAL & MARINE ENGINES
Oil Filter
D353 INDUSTRIAL & MARINE ENGINES
Clutch Shaft
D353 INDUSTRIAL & MARINE ENGINES
Reverse Clutch
D353 INDUSTRIAL & MARINE ENGINES
Clutch Shaft
D353 INDUSTRIAL & MARINE ENGINES
Idler Shaft
D353 INDUSTRIAL & MARINE ENGINES
Countershaft
D353 INDUSTRIAL & MARINE ENGINES
Service Magazine

Caterpillar Parts SIS Catalog D353C :

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