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7L4917 REDUCTION GEAR GROUP--5.11:1 Ratio Serial No. 89B1 to 89B599 inclusive AN ATTACHMENT 7261 MARINE TRANSMISSION


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

MARINE TRANSMISSION 7261 MARINE TRANSMISSION 89B
 7261 MARINE TRANSMISSION 89B00001-UP UEG0140S 7261 89B   (1974)

MARINE TRANSMISSION

TRANSMISSION GP-MARINE
REDUCTION GEAR GROUP
7L-4919 REDUCTION GEAR GROUP
PLANETARY GP
7L-4916 PLANETARY GP
PLANETARY GP
7L-4917 PLANETARY GP
PLANETARY GP
7L-4917 PLANETARY GP
REDUCTION GEAR CONVERSION GROUP
6L-7519 REDUCTION GEAR CONVERSION GROUP
REDUCTION GEAR CONVERSION GROUP
6L-9062 REDUCTION GEAR CONVERSION GROUP
 

#UEG0140S0060
 

7L-4917: PLANETARY GP

7L4917 REDUCTION GEAR GROUP--5.11:1 Ratio
Serial No. 89B1 to 89B599 inclusive
AN ATTACHMENT
c134050 UEG0140S
7L4917 PLANETARY GP Parts scheme
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Parts for your 7261 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7L-5217 [1] CARRIER ASSEM.  
2. 6F-0984 [3] DOWEL  
3. 2N-2071 [6] BEARING ASSEM.  
4. 2N-4771 [3] GEAR (36 Teeth)  
5. 2N-4641 [6] WASHER  
6. 2N-4644 [3] SHAFT ASSEM.  
7. 2D-6642 [3] BALL  
    (1 in each 2N4644 Assem.)
8. 5L-8932 [1] SPACER  
9. 2N-6404 [1] SHAFT ASSEM.  
10. 4K-8603 [1] PLUG  
11. 2N-2983 [1] TUBE  
12. 2N-4642 [3] PLATE  
13. 0S-0509 [9] BOLT  
  8M-7587 [9] LOCK  
14. 2N-6411 [1] GEAR (27 Teeth)  
15. 5L-8938 [1] PLATE  
16. 0S-1594 [4] BOLT  
  5L-6961 [2] LOCK  
 

#UEG0140S0061
 

7L-4917: PLANETARY GP

7L4917 REDUCTION GEAR GROUP--5.11:1 RATIO. SERIAL NO. 89B600-UP
S/N 89B600-Up
Also Available As An Attachment S/N 89B1-599
c345676 UEG0140S
7L4917 PLANETARY GP Parts scheme
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Parts for your 7261 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7L-5217 [1] CARRIER AS  
2. 6F-0984 [3] DOWEL  
3. 2N-2071 [6] BEARING AS  
4. 2N-4771 [3] GEAR-PLANETARY (36 TEETH)  
5. 2N-4641 [6] WASHER-RETAINING  
6. 2N-4644 [3] SHAFT AS-PLANETARY  
    (EACH INCLUDES)
7. 2D-6642 [1] BALL  
8. 5L-8932 [1] SPACER  
9. 3T-5940 [1] SHAFT AS  
10. 4K-8603 [1] PLUG-CUP  
11. 2N-2983 [1] TUBE-OIL TRANSFER  
12. 2N-4642 [3] PLATE-RETAINING  
13. 5K-9107 C [9] BOLT-SELF LOCKING  
14. 2N-6411 [1] GEAR-SUN (27 TEETH)  
15. 5L-8938 [1] PLATE-THRUST  
16. 5D-0353 C [4] BOLT-SELF LOCKING  
17. 6H-3959 C [28] BOLT  
18. 7T-6403 C [1] GEAR-RING (111 TEETH)  
  C   CHANGE FROM PREVIOUS TYPE
 

#UEG0140S0062
 

6L-7519: REDUCTION GEAR CONVERSION GROUP

6L7519 REDUCTION GEAR CONVERSION GROUP
Serial No. 89B1 to 89B599 inclusive
Note: Provides following ratios when used with the following
Gear Groups: 7L4915--2.89:1 Ratio & 7L4916--3.49:1 Ratio
c92362 UEG0140S
6L7519 REDUCTION GEAR CONVERSION GROUP Parts scheme
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Parts for your 7261 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  6L-7516 [1] GEAR (DRIVE)  
    (67 TEETH)
  6L-7520 [1] GEAR (DRIVEN)  
    (61 TEETH)
 

#UEG0140S0063
 

6L-9062: REDUCTION GEAR CONVERSION GROUP

6L9062 REDUCTION GEAR CONVERSION GROUP
Serial No 89B1 to 89B599 inclusive
Note: Provides following ratios when used with the following
Gear Groups: 7L4915--3.50:1 Ratio & 7L4916--4.22:1 Ratio
c96701 UEG0140S
6L9062 REDUCTION GEAR CONVERSION GROUP Parts scheme
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Parts for your 7261 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  6L-9072 [1] GEAR (DRIVE)  
    (61 TEETH)
  6L-9071 [1] PAN ASSEM. (OIL)  
  6L-9073 [1] GEAR (DRIVEN)  
    (67 TEETH)
 

#UEG0140S0064
 

5N-5155: GEAR GP-TRANSFER

5N5155 TRANSFER GEAR GROUP
Serial No. 89B600-Up
c171858 UEG0140S
5N5155 GEAR GP-TRANSFER Parts scheme
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Parts for your 7261 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1N-8609 [1] GEAR (48 teeth)  
2. 6L-7516 [1] GEAR (67 teeth)  
3. 6L-7520 [1] GEAR (61 teeth)  
4. 1N-8610 [1] GEAR (48 teeth)  
5. 1N-9091 [1] GEAR (46 teeth)  
 

#UEG0140S0065
 

5N-5156: GEAR GP-TRANSFER

5N5156 TRANSFER GEAR GROUP
Serial No. 89B600-Up
c172833 UEG0140S
5N5156 GEAR GP-TRANSFER Parts scheme
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Parts for your 7261 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1N-8609 [1] GEAR (48 teeth)  
2. 4L-1256 [1] GEAR (64 teeth)  
3. 4L-1257 [1] GEAR (64 teeth)  
4. 1N-8610 [1] GEAR (48 teeth)  
5. 1N-9091 [1] GEAR (46 teeth)  
 

#UEG0140S0066
 

5N-5157: GEAR GP-TRANSFER

5N5157 TRANSFER GEAR GROUP
Serial No. 89B600-Up
c171857 UEG0140S
5N5157 GEAR GP-TRANSFER Parts scheme
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Parts for your 7261 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1N-8609 [1] GEAR (48 teeth)  
2. 6L-9072 [1] GEAR (61 teeth)  
3. 6L-9073 [1] GEAR (67 teeth)  
4. 1N-8610 [1] GEAR (48 teeth)  
5. 1N-9091 [1] GEAR (46 teeth)  
 

#UEG0140S0067
 

7L-5392: VALVE GP-CONTROL

7L5392 CONTROL VALVE GROUP
S/N 89B1-177
7L5391-Page 12B, 3N4485-Page 12C
c142747 UEG0140S
7L5392 VALVE GP-CONTROL Parts scheme
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Parts for your 7261 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. 7L-5391 [1] VALVE ASSEM.  
    -OR-
  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
 

#UEG0140S0068
 

7L-5392: VALVE GP-CONTROL

7L5392 CONTROL VALVE GROUP
S/N 89B178-763
3N4485-Page 12C
c151427 UEG0140S
7L5392 VALVE GP-CONTROL Parts scheme
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Parts for your 7261 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
 

#UEG0140S0069
 

7T-0673: VALVE GP-CONTROL

7T673 CONTROL VALVE GP
S/N 89B764-Up
7T672-Page 12.00.02
c314775 UEG0140S
7T0673 VALVE GP-CONTROL Parts scheme
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Parts for your 7261 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5L-7366 [1] STUD-BALL  
2. 1A-8285 C [1] NUT-JAM  
3. 1J-1971 C [1] PIN-CLEVIS  
4. 3B-4617 [1] COTTER  
5. 7T-0672 [1] VALVE GP-CONTROL  
6. 5F-4899 [5] BOLT  
  5M-2894 [5] WASHER  
7. 1N-8581 Y [1] GASKET-VALVE  
8. 2F-7743 [1] SPRING  
9. 6T-6545 [1] LEVER AS  
10. 4B-9880 [2] BALL  
11. 5M-6213 [2] PLUG  
12. 3L-6521 [1] TEE-SERVICE  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

Information:

General Service Information
Upper Shaft And Clutch Removal
7261 MARINE GEAR
Upper Shaft And Clutch Installation
7261 MARINE GEAR
Planetary Section Removal
7261 MARINE GEAR
Planetary Shaft And Bearing Removal
7261 MARINE GEAR
Planetary Section Assembly
7261 MARINE GEAR
Astern And Ahead Clutches
7261 MARINE GEAR
Dump Valves
7261 MARINE GEAR
Lower Shaft
7261 MARINE GEAR
Idler Shaft
7261 MARINE GEAR
Clutch Drive Spider And Oil Pump Drive Shaft
7261 MARINE GEAR
Main Shaft
7261 MARINE GEAR
Engine News
New Ahead Main Shaft Assembly Gives A Tighter Fit; Dimensions For The Fit Of Shafts And Gears
1981/04/22
New Spacer And Plate Used In Transmission Lower Shaft Groups
1981/04/22
Different Check Valve Gives Faster Shifts
1981/05/20
New Spacer; New Shaft Assembly Permits Pressure Lubrication Of Sun Gear
1981/12/16
New Poppet Valve Will Decrease Chatter
1982/02/24
Improved Lubrication System
1982/09/22
Larger Oil Pump Used To Give Better Clutch Cooling And Bearing Lubrication
1983/10/26
Drive Block Retainer Plates Are No Longer Used
1984/01/18
New Suction Tube And Strainer Housing Give Better Access To O-Ring Seal
1984/04/11
New Transmission Control Valve And Pressure Relief Valve Are Used With High Flow Oil Pump
1985/03/01
New Main Shaft Bearing Assembly Has Reduced End Play
1985/04/01
Improved Clutch Disc And Cooling Oil Flow
1986/01/01
New Oil Viscosity Recommendations For All 7200 Series Marine Transmissions
1986/02/01
2N4620 Rubber Drive Block Reinstated For Parts Service
1990/03/01
Planetary Housing Requires Two Ball Plugs
1990/11/01
Special Instruction
Alignment Of Caterpillar Marine Transmissions And Marine Engines{1000, 3300}
Alignment Of Caterpillar Marine Transmissions And Marine Engines{1000, 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}
Installation Of Replacement Drive Sleeve For Marine Transmission Oil Pump{3310}
Installation Of Replacement Drive Sleeve For Marine Transmission Oil Pump{3310}
Installation Of 5N1948 And 2W3037 Sound Isolation Mounting Groups{1000, 3300, 7060}
Installation Of 5N1948 And 2W3037 Sound Isolation Mounting Groups{1000, 3300, 7060}
Modification of Marine Transmission Lubrication System{3300}
Modification of Marine Transmission Lubrication System{3300}
Specifications
Oil Pump<BR> (2N6336)
7261 MARINE GEAR
Directional Clutch<BR> (7L4912)
7261 MARINE GEAR
Oil Filter Group<BR> (2S6457)
7261 MARINE GEAR
Systems Operation
Systems Operation
7261 MARINE GEAR
Testing and Adjusting
Testing And Adjusting
7261 MARINE GEAR
Service Magazine
Oil Pump Drive Sleeves Now Available Separately For Parts Service{3300}
1980/06/02
New Spacer And Plate Used In Transmission Lower Shaft Groups{3307}
1981/04/06
New Ahead Main Shaft Assembly Gives A Tighter Fit; Dimensions For The Fit Of Shafts And Gears{3300}
1981/04/13
New Spacer; New Shaft Assembly Permits Pressure Lubrication Of Sun Gear{3304,3307}
1981/11/30
Larger Oil Pump Used To Give Better Clutch Cooling And Bearing Lubrication{3310,3302,3307}
1983/09/05
Drive Block Retainer Plates Are No Longer Used{3305}
1984/01/09
New Suction Tube And Strainer Housing Give Better Access To O-Ring Seal{3310,3311}
1984/03/12
New Transmission Control Valve And Pressure Relief Valve Are Used With High Flow Oil Pump{3313,3310}
1985/02/18
New Main Shaft Bearing Assembly Has Reduced End Play{3306}
1985/03/25
Oil Pump Flow Increased{3310,3314}
1985/07/01
Improved Clutch Disc And Cooling Oil Flow{3300,3302,3303,3306}
1985/12/16
New Oil Viscosity Recommendations For All 7200 Series Marine Transmissions{3351}
1986/02/03
Self Locking Bolts Or Hardened Washers Used In Place Of Sheet Metal Locks{3300}
1977/05/30
Improved Oil Suction Tube Assembly {3300,3302}
1978/04/17
Planetary Housing Requires Two Ball Plugs{3160}
1990/11/19

Caterpillar Parts SIS Catalog 7261 :

PLANETARY GP
7L-4916 PLANETARY GP
REDUCTION GEAR GROUP
7L-4919 REDUCTION GEAR GROUP
PLANETARY GP
7L-4915 PLANETARY GP
PLANETARY GP
7L-4915 PLANETARY GP
PLANETARY GP
6T-5331 PLANETARY GP
CLUTCH GP
7L-4912 CLUTCH GP
CLUTCH GP
7L-4912 CLUTCH GP
CLUTCH GP
7L-4912 CLUTCH GP
PLANETARY GP
7L-4917 PLANETARY GP
REDUCTION GEAR CONVERSION GROUP
6L-7519 REDUCTION GEAR CONVERSION GROUP
REDUCTION GEAR CONVERSION GROUP
6L-9062 REDUCTION GEAR CONVERSION GROUP
GEAR GP-TRANSFER
5N-5155 GEAR GP-TRANSFER
GEAR GP-TRANSFER
5N-5156 GEAR GP-TRANSFER
GEAR GP-TRANSFER
5N-5157 GEAR GP-TRANSFER
VALVE GP-CONTROL
7L-5392 VALVE GP-CONTROL
VALVE GP-CONTROL
7L-5392 VALVE GP-CONTROL

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