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3N7103 GEAR GP-TRANSFER-5.548:1 RATIO S/N 36W224-Up Also Available As An Attachment At S/N 36W1 to 36W223 Inclusive 7271


MARINE TRANSMISSION
TRANSMISSION GP-MARINE
ELECTRICAL AND STARTING SYSTEM
VALVE GP

MARINE TRANSMISSION 7271 MARINE TRANSMISSION 36W
 7271 MARINE TRANSMISSION 36W00001-UP SEBP1096 7271 36W   (1980)

MARINE TRANSMISSION

TRANSMISSION GP-MARINE
GEAR GP-TRANSFER
3N-6149 GEAR GP-TRANSFER
GEAR GP-TRANSFER
3N-9246 GEAR GP-TRANSFER
GEAR GP-TRANSFER
3N-7103 GEAR GP-TRANSFER
GEAR GP-TRANSFER
3N-9249 GEAR GP-TRANSFER
GEAR GP-TRANSFER
3N-9252 GEAR GP-TRANSFER
GEAR GP-TRANSFER
3N-9255 GEAR GP-TRANSFER
 

#SEBP10960050
 

3N-7103: GEAR GP-TRANSFER

3N7103 GEAR GP-TRANSFER-5.548:1 RATIO
S/N 36W224-Up
Also Available As An Attachment At S/N 36W1 to 36W223 Inclusive
c210346 SEBP1096
3N7103 GEAR GP-TRANSFER Parts scheme
  For full view, you need register

Parts for your 7271 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-7099 [2] GEAR (31 teeth)  
2. 3N-7100 [1] GEAR (86 teeth)  
 

#SEBP10960051
 

3N-9249: GEAR GP-TRANSFER

3N9249 GEAR GP-TRANSFER-5.09:1 RATIO
S/N 36W224-Up
Also Available As An Attachment At Serial No. 36W1 to 36W223 Inclusive
c210347 SEBP1096
3N9249 GEAR GP-TRANSFER Parts scheme
  For full view, you need register

Parts for your 7271 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-9247 [2] GEAR (33 teeth)  
2. 3N-9248 [1] GEAR (84 teeth)  
 

#SEBP10960052
 

3N-9252: GEAR GP-TRANSFER

3N9252 GEAR GP-TRANSFER-6.069:1 RATIO
S/N 36W224-Up
Also Available As An Attachment At Serial No. 36W1 To 36W223 Inclusive
c210348 SEBP1096
3N9252 GEAR GP-TRANSFER Parts scheme
  For full view, you need register

Parts for your 7271 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-9250 [2] GEAR (29 teeth)  
2. 3N-9251 [1] GEAR (88 teeth)  
 

#SEBP10960053
 

3N-9255: GEAR GP-TRANSFER

3N9255 GEAR GP-TRANSFER--7.000:1 RATIO
S/N 36W224-Up
Also Available As An Attachment At Serial No. 36W1 To 36W223 Inclusive
c210349 SEBP1096
3N9255 GEAR GP-TRANSFER Parts scheme
  For full view, you need register

Parts for your 7271 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-9253 [2] GEAR (26 teeth)  
2. 3N-9254 [1] GEAR (91 teeth)  
 

#SEBP10960054
 

7L-5392: VALVE GP-CONTROL

7L5392 VALVE GP-CONTROL
Replaced By 6T5701-Page 17.01
3N4485-Page 18
c151427 SEBP1096
7L5392 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 7271 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5L-7366 [1] STUD  
2. 1A-8285 [1] NUT  
3. 1J-1971 [1] PIN  
4. 3B-4617 [1] COTTER PIN  
5. 3N-4485 Y [1] VALVE GROUP  
    (Separate Illustration)
6. 5F-4899 [5] BOLT  
  3B-4506 [5] LOCKWASHER  
7. 1N-8581 [1] GASKET  
8. 2F-7743 [1] SPRING  
9. 5L-7365 [1] LEVER  
10. 4B-9880 [2] BALL  
11. 5M-6213 [2] PLUG  
12. 3L-6521 [1] TEE  
  Y   SEPARATE ILLUSTRATION
 

#SEBP10960055
 

6T-5701: VALVE GP-CONTROL

6T5701 VALVE GP-CONTROL
S/N 36W224 To 36W338 Inclusive
6T5700-Page 17.02
c311461 SEBP1096
6T5701 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 7271 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5L-7366 C [1] STUD-BALL  
2. 1A-8285 C [1] NUT-JAM  
3. 5L-7365 [1] LEVER  
4. 4B-9880 [2] BALL  
  2F-7743 [1] SPRING  
5. 1J-1971 [1] PIN-CLEVIS  
6. 3B-4617 [1] COTTER  
7. 1N-8581 [1] GASKET-VALVE  
8. 5M-6213 [2] PLUG  
9. 6T-5700 [1] VALVE GP-CONTROL  
10. 0T-0573 [5] BOLT 6.99CM(2.75IN.)LONG  
  5M-2894 [5] WASHER  
11. 3L-6521 Y [1] TEE-SERVICE  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10960056
 

6T-5701: VALVE GP-CONTROL

6T5701 VALVE GP-CONTROL
S/N 36W339-Up
6T5700-Page 17.02
c328333 SEBP1096
6T5701 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 7271 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5L-7366 [1] STUD-BALL  
2. 1A-8285 [1] NUT-JAM  
3. 6T-6545 C [1] LEVER AS  
4. 6V-3677 [1] DOWEL  
5. 4B-9880 [2] BALL  
  2F-7743 [1] SPRING  
6. 1J-1971 [1] PIN-CLEVIS  
  3B-4617 [1] COTTER  
7. 1N-8581 [1] GASKET-VALVE  
8. 5M-6213 [2] PLUG  
9. 6T-5700 Y [1] VALVE GP-CONTROL  
10. 0T-0573 [5] BOLT 6.99CM(2.75IN.)LONG  
  5M-2894 [5] WASHER  
11. 3L-6521 [1] TEE-SERVICE  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10960057
 

6T-5700: VALVE GP-CONTROL

6T5700 VALVE GP-CONTROL
S/N 36W224-Up
Part Of 6T5701 Control Valve
c311462 SEBP1096
6T5700 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 7271 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6F-0711 [2] SEAL-O-RING  
2. 4B-9782 [1] BALL  
3. 7M-1397 [2] SPACER  
4. 5M-3492 [1] SPACER  
5. 8M-6402 [1] SPRING  
6. 8M-6403 B [1] SPRING  
7. 4M-7910 B [1] PISTON-LOAD  
8. 9F-2247 [1] PLUG  
9. 6T-6546 [1] COVER-TOP  
10. 8M-2489 [1] SPOOL-VALVE  
11. 3S-2682 [1] BUSHING-SEAL  
12. 4D-9986 [1] SEAL-O-RING  
13. 8M-5260 [1] SEAL-O-RING  
14. 6F-6673 [1] SEAL-O-RING  
15. 5M-0654 [1] STOP  
16. 8L-2777 [1] SEAL-O-RING  
17. 7M-7244 [1] SPRING  
18. 0S-1594 [3] BOLT  
19. 5M-2894 [6] WASHER  
20. 8J-1699 [1] SEAL-O-RING  
21. 2H-3932 [1] SEAL  
22. 5L-7296 [1] COVER  
23. 1A-2029 [3] BOLT  
24. 9G-9895 [1] SEAT  
25. 6T-5699 [1] VALVE AS-RELIEF  
26. 9M-4313 [1] POPPET  
27. 5M-9548 [1] SPRING  
28. 8M-2537 [1] RETAINER  
29. 1L-3162 [1] RING-RETAINING  
30. 3T-0578 [1] BODY AS-CONTROL VALVE  
  4B-9782 [3] BALL  
31. 6L-2107 [1] VALVE AS-CHECK  
  B   USE AS REQUIRED
 

#SEBP10960058
 

3N-4485: VALVE GP-CONTROL

3N4485 CONTROL VALVE GROUP--TYPE 1
Part Of 7L5392 Control Valve Group Shown On Page 17
c142748 SEBP1096
3N4485 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 7271 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5L-7364 [1] COVER  
  2B-7409 [1] PLUG  
  6F-0711 [1] SEAL  
  4M-7910 [1] PISTON  
  9F-2247 [1] PLUG  
  8M-6403 [1] SPRING (INNER)  
  8M-6402 [1] SPRING (OUTER)  
  5M-3492 [1] SPACER  
  7M-1397 [2] SPACER  
  3N-4324 [1] VALVE ASSEM.  
  3N-4323 [1] VALVE  
  5M-9554 [1] VALVE  
  5M-9548 [1] SPRING  
  1L-3162 [1] RING  
  8M-2537 [1] RETAINER  
  6F-0711 [1] SEAL  
  8M-2489 [1] SPOOL  
  6F-6673 [1] SEAL  
  4D-9986 [1] SEAL  
  0S-1594 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
  3S-2682 [1] BUSHING  
  5M-0654 [1] STOP  
  8M-5260 [1] SEAL  
  7L-5390 [1] VALVE ASSEM.  
  7M-7244 [1] SPRING  
  1N-8568 [1] BODY ASSEM.  
  4B-9880 [1] BALL  
  4B-9782 [3] BALL  
  5L-7295 [1] SEAT  
    (PARTS OF BODY ASSEM 1N8568)
  1A-2029 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
  2H-3932 [1] SEAL  
  5L-7296 [1] COVER  
  4B-9786 [1] BALL  
    (PART OF BODY ASSEM. 1N8568)
 

#SEBP10960059
 

3N-4485: VALVE GP-CONTROL

3N4485 CONTROL VALVE GROUP--TYPE 2
Part Of 7L5392 Control Valve
c300886 SEBP1096
3N4485 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 7271 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5L-7364 [1] COVER  
  2B-7409 [1] PLUG  
  6F-0711 [1] SEAL  
  4M-7910 [1] PISTON  
  9F-2247 [1] PLUG  
  8M-6403 [1] SPRING (INNER)  
  8M-6402 [1] SPRING (OUTER)  
  5M-3492 [1] SPACER  
  7M-1397 [2] SPACER  
  3N-4324 [1] VALVE ASSEM.  
  9M-4313 C [1] VALVE  
  5M-9548 [1] SPRING  
  1L-3162 [1] RING  
  8M-2537 [1] RETAINER  
  6F-0711 [1] SEAL  
  8M-2489 [1] SPOOL  
  6F-6673 [1] SEAL  
  4D-9986 [1] SEAL  
  0S-1594 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
  3S-2682 [1] BUSHING  
  5M-0654 [1] STOP  
  8M-5260 [1] SEAL  
  6L-2107 C [1] VALVE ASSEM.  
  6L-2026 C [3] PLUG  
  7M-7244 [1] SPRING  
  3T-0578 C [1] BODY ASSEM  
  4B-9782 [3] BALL  
  4B-9782 C [1] BALL  
  8J-1699 C [1] SEAL  
  9G-9895 C [1] SEAT  
  1A-2029 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
  2H-3932 [1] SEAL  
  5L-7296 [1] COVER  
  8L-2777 C [1] SEAL  
  C   INDICATES CHANGE
 

Information:

Engine News
Support Plates Must Be Used To Install Earlier Marine Transmissions
1979/10/31
Oil Pump And Lines Group Changed To Use Different Method Of Flow Control For Emergency Lubrication System{3310,3311}
1980/09/10
New Ahead Main Shaft Assembly Gives A Tighter Fit; Dimensions For The Fit Of Shafts And Gears
1981/04/22
Different Check Valve Gives Faster Shifts
1981/05/20
New Tube And Cover Assembly Make Service Easier
1981/12/16
New Poppet Valve Will Decrease Chatter
1982/02/24
New Oil Pump Outlet Elbow Is Stronger
1982/04/07
Improvements Made To Input Shaft Group
1982/06/16
New Gear Type Pump Primes Itself At Start-Up
1982/08/25
New Clutch Retraction Pins And Seals
1983/02/16
New Suction Tube And Strainer Housing Give Better Access To O-Ring Seal
1984/04/11
Make Sure There Is Clearance Between The Propeller Shaft Fastener And The Transmission Output Flange
1984/10/24
Input Shaft And Flange Available As An Assembly; Makes Alignment Easier
1985/03/01
Output Shaft Group Improved
1985/12/01
New Oil Viscosity Recommendations For All 7200 Series Marine Transmissions
1986/02/01
Improved Clutch Piston And Retraction Pins Available
1987/09/01
Fabricated Tools For Assembly And Disassembly Of 7271 Marine Transmission
1977/06/22
Special Instruction
Alignment Of Caterpillar Marine Transmissions And Marine Engines{1000, 3300}
Alignment Of Caterpillar Marine Transmissions And Marine Engines{1000, 3300}
Installing Marine Gear Service Bearing Caps{3300}
Installing Marine Gear Service Bearing Caps{3300}
Installation Of 3N6351, 3N8285, 3N9095 And 7T5287 Modulating Valve Groups In Marine Transmissions{3300}
Installation Of 3N6351, 3N8285, 3N9095 And 7T5287 Modulating Valve Groups In Marine Transmissions{3300}
Specifications
Oil Pump<BR> (9J7232)
7271 MARINE TRANSMISSION
Oil Filter<BR> (2S6457)
7271 MARINE TRANSMISSION
Directional Clutches<BR> (3N6195, 3N6196)
7271 MARINE TRANSMISSION
Disassembly and Assembly
Oil Pump
7271 MARINE TRANSMISSION
Magnetic Strainer And Shut-Off Valve
7271 MARINE TRANSMISSION
Transmission Filter Group
7271 MARINE TRANSMISSION
Oil Cooler
7271 MARINE TRANSMISSION
Top Shafts
7271 MARINE TRANSMISSION
Input Shaft
7271 MARINE TRANSMISSION
Output Shaft
7271 MARINE TRANSMISSION
Output Shaft Seals
7271 MARINE TRANSMISSION
Input Shaft Seals
7271 MARINE TRANSMISSION
Service Magazine
Oil Pump And Lines Group Changed To Use Different Method Of Flow Control For Emergency Lubrication System{3310,3311}
1980/09/08
New Ahead Main Shaft Assembly Gives A Tighter Fit; Dimensions For The Fit Of Shafts And Gears{3300}
1981/04/13
Hardened Nuts And Higher Torque Now Used In Ahead And Astern Clutch Groups{3302}
1981/06/01
New Tube And Cover Assembly Make Service Easier{3300,3306}
1981/11/30
New Oil Pump Outlet Elbow Is Stronger{3314,3310}
1982/03/15
Improvements Made To Input Shaft Group{3303}
1982/06/14
New Gear Type Pump Primes Itself At Start-Up{3310,3314}
1982/07/12
Change Made To Installation Procedure For 3N5620 Service Disconnect Spacer Group{0374,1000}
1982/08/30
New Clutch Retraction Pins And Seals{3302}
1983/01/17
New Bearing Used On Main Shaft{3303}
1983/09/26
New Control Valve Group Corrects Pressure Pulsations{3313,3300}
1983/10/31
New Suction Tube And Strainer Housing Give Better Access To O-Ring Seal{3310,3311}
1984/03/12
Make Sure There Is Clearance Between The Propeller Shaft Fastener And The Transmission Output Flange{3305}
1984/10/08
Input Shaft And Flange Available As An Assembly; Makes Alignment Easier{3303}
1985/03/11
Output Shaft Group Improved{3305}
1985/11/25
New Oil Viscosity Recommendations For All 7200 Series Marine Transmissions{3351}
1986/02/03
Improved Clutch Piston And Retraction Pins Available {3302}
1987/08/31
Support Plates Must Be Used To Install Earlier Marine Transmissions{3300}
1979/11/05

Caterpillar Parts SIS Catalog 7271 :

GEAR GP-TRANSFER
3N-9246 GEAR GP-TRANSFER
GEAR GP-TRANSFER
3N-6149 GEAR GP-TRANSFER
6T-5248 FASTENER GP-BRAKE
SHAFT GP-OUTPUT
3N-6164 SHAFT GP-OUTPUT
SHAFT GP-OUTPUT
3N-6164 SHAFT GP-OUTPUT
SHAFT GP-INPUT
9G-7325 SHAFT GP-INPUT
SHAFT GP-INPUT
9G-7325 SHAFT GP-INPUT
SHAFT GP-MAIN
3N-6173 SHAFT GP-MAIN
GEAR GP-TRANSFER
3N-9249 GEAR GP-TRANSFER
GEAR GP-TRANSFER
3N-9252 GEAR GP-TRANSFER
GEAR GP-TRANSFER
3N-9255 GEAR GP-TRANSFER
VALVE GP-CONTROL
7L-5392 VALVE GP-CONTROL
VALVE GP-CONTROL
6T-5701 VALVE GP-CONTROL
VALVE GP-CONTROL
6T-5701 VALVE GP-CONTROL
VALVE GP-CONTROL
6T-5700 VALVE GP-CONTROL
VALVE GP-CONTROL
3N-4485 VALVE GP-CONTROL

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