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HOUSING (3N1886 N/S & 3N1887 N/S)--TYPE 1 Serial No. 39E1 To 39E523 Inclusive Field Replacement Order 1N8270 Housing 7241




MARINE TRANSMISSION

CASE & PARTS GP
 

#UEG0277S0080
 

3N-1886: HOUSING

HOUSING (3N1886 N/S & 3N1887 N/S)--TYPE 1
Serial No. 39E1 To 39E523 Inclusive
Field Replacement Order 1N8270 Housing
c138187 UEG0277S
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Parts for your 7241 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5M-7937 [12] DOWEL  
2. 1D-4617 [14] BOLT  
  2S-0115 [14] WASHER  
3. 0T-0319 [2] BOLT  
  1N-8470 [2] LOCK  
4. 3N-0721 [1] CAP GROUP (Upper-Front)  
  3N-0719 [24] SHIM  
  3N-0724 [1] CAP GROUP (Upper-Center)  
  3N-0723 [28] SHIM  
  3N-0727 [1] CAP GROUP (Upper-Rear)  
  3N-0726 [28] SHIM  
  3N-1148 [1] CAP GROUP (Lubrication)  
  3N-0733 [28] SHIM  
5. 2H-2255 [2] DOWEL  
6. 3N-0734 [1] CAP GROUP (Lower-Front)  
  3N-0732 [28] SHIM  
  3N-0730 [1] CAP GROUP (Lower-Rear)  
  3N-0729 [28] SHIM  
 

#UEG0277S0081
 

3N-1887: HOUSING

HOUSING (3N1886 N/S & 3N1887 N/S)--TYPE 1
Serial No. 39E1 To 39E523 Inclusive
Field Replacement Order 1N8270 Housing
c138187 UEG0277S
  For full view, you need register

Parts for your 7241 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5M-7937 [12] DOWEL  
2. 1D-4617 [14] BOLT  
  2S-0115 [14] WASHER  
3. 0T-0319 [2] BOLT  
  1N-8470 [2] LOCK  
4. 3N-0721 [1] CAP GROUP (Upper-Front)  
  3N-0719 [24] SHIM  
  3N-0724 [1] CAP GROUP (Upper-Center)  
  3N-0723 [28] SHIM  
  3N-0727 [1] CAP GROUP (Upper-Rear)  
  3N-0726 [28] SHIM  
  3N-1148 [1] CAP GROUP (Lubrication)  
  3N-0733 [28] SHIM  
5. 2H-2255 [2] DOWEL  
6. 3N-0734 [1] CAP GROUP (Lower-Front)  
  3N-0732 [28] SHIM  
  3N-0730 [1] CAP GROUP (Lower-Rear)  
  3N-0729 [28] SHIM  
 

#UEG0277S0082
 

3N-1886: HOUSING

HOUSING (3N1886 N/S & 3N1887 N/S)--TYPE 2
Serial No. 39E1 To 39E523 Inclusive
Field Replacement Order 6T1738 Housing
c155420 UEG0277S
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Parts for your 7241 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5M-7937 C [10] DOWEL  
2. 1D-4617 [14] BOLT  
  2S-0115 [14] WASHER  
3. 1D-4707 C [2] BOLT  
  4S-9191 [2] WASHER  
4. 3N-0721 [1] CAP GROUP (Upper-Front)  
  3N-0719 [24] SHIM  
  3N-0724 [1] CAP GROUP (Upper-Center)  
  3N-0723 [28] SHIM  
  3N-0727 [1] CAP GROUP (Upper-Rear)  
  3N-0726 [28] SHIM  
  3N-1148 [1] CAP GROUP (Lubrication)  
  3N-0733 [28] SHIM  
5. 2H-2255 [2] DOWEL  
6. 3N-0734 [1] CAP GROUP (Lower-Front)  
  3N-0732 [28] SHIM  
  3N-0730 [1] CAP GROUP (Lower-Rear)  
  3N-0729 [28] SHIM  
 

#UEG0277S0083
 

3N-1887: HOUSING

HOUSING (3N1886 N/S & 3N1887 N/S)--TYPE 2
Serial No. 39E1 To 39E523 Inclusive
Field Replacement Order 6T1738 Housing
c155420 UEG0277S
  For full view, you need register

Parts for your 7241 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5M-7937 C [10] DOWEL  
2. 1D-4617 [14] BOLT  
  2S-0115 [14] WASHER  
3. 1D-4707 C [2] BOLT  
  4S-9191 [2] WASHER  
4. 3N-0721 [1] CAP GROUP (Upper-Front)  
  3N-0719 [24] SHIM  
  3N-0724 [1] CAP GROUP (Upper-Center)  
  3N-0723 [28] SHIM  
  3N-0727 [1] CAP GROUP (Upper-Rear)  
  3N-0726 [28] SHIM  
  3N-1148 [1] CAP GROUP (Lubrication)  
  3N-0733 [28] SHIM  
5. 2H-2255 [2] DOWEL  
6. 3N-0734 [1] CAP GROUP (Lower-Front)  
  3N-0732 [28] SHIM  
  3N-0730 [1] CAP GROUP (Lower-Rear)  
  3N-0729 [28] SHIM  
 

#UEG0277S0084
 

3N-8021: HOUSING AS

3N8021 HOUSING ASSEMBLY
S/N 39E524-Up
Also Part Of 6T1738 Marine Transmission Housing Gp
Field Replacement Order 6T1738-Page 16C.02
c317742 UEG0277S
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Parts for your 7241 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5M-7937 [10] DOWEL  
2. 1D-4617 [12] BOLT  
3. 1D-4556 [2] BOLT  
  5P-8244 [2] WASHER  
4. 3N-0721 [1] CAP GP-BEARING (UPPER FRONT)  
  3N-0719 [24] SHIM  
  3N-0722 [1] CAP (UPPER CENTER)  
  3N-0723 [28] SHIM  
  3N-0727 [1] CAP GP-BEARING (UPPER REAR)  
  3N-0726 [28] SHIM  
5. 2H-2255 [2] DOWEL  
6. 3N-0734 [1] CAP GP-BEARING (LOWER FRONT)  
  3N-0732 [28] SHIM  
  6T-7459 [1] CAP GP-BEARING (LOWER REAR)  
  3N-0729 [28] SHIM-BEARING CAP  
7. 5P-8248 [14] WASHER-HARD  
8. 5J-1702 [2] BOLT  
9. 3T-9226 [1] CAP  
    INSTRUCTIONS FOR CAP GRP.)
 

#UEG0277S0085
 

6T-1738: HOUSING GP-MARINE TRANSMISSION

6T1738 MARINE TRANSMISSION HOUSING GROUP
Serial No. 39E524-Up
3N8021-Page 16C.01
Provides Field Replacement For 3N8021
c320051 UEG0277S
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Parts for your 7241 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-8021 Y [1] HOUSING AS  
2. 3T-9227 [1] SLEEVE-WEAR  
3. 2H-2255 [1] DOWEL  
  Y   SEPARATE ILLUSTRATION
 

#UEG0277S0086
 

2N-2796: GEAR GP-TRANSFER

2N2796 TRANSFER GEAR GROUP--1.00:1 Ratio--Type 1
Part of 5N5111, 5N5113, 5N5114, 5N5115 and 5N5116 Marine Transmission
and 3N4880, 2N2788, 2N2789, 2N2790 and 2N2791 Marine Gear Reduction
Arrangements listed on Pages 2A, 2B, 2C, 13B, 14, 15 and 16
c110876 UEG0277S
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Parts for your 7241 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1N-7022 [1] GEAR (61 Teeth)  
2. 3B-8995 [1] FITTING  
  1F-1344 NUT  
    (Part of 3B8995 Fitting)
3. 1N-7020 [1] GEAR (69 Teeth)  
4. 2B-2404 [3] CLIP  
5. 2N-9371 [1] TUBE  
6. 1N-7021 [1] GEAR (69 Teeth)  
7. 1N-7023 [1] GEAR (61 Teeth)  
8. 2N-9372 [1] TUBE  
9. 3B-8998 [1] FITTING  
  1F-1344 [1] NUT  
    (Part of 3B8998 Fitting)
 

#UEG0277S0087
 

2N-2797: GEAR GP-TRANSFER

2N2797 TRANSFER GEAR GROUP--2.00:1 Ratio--Type 1
Part of 5N5112, 5N5117, 5N5118 Marine Transmission and 3N5951, 2N2787 and
2N2792 Marine Gear Reduction Arrangements listed on Pages 2A, 2D, 13B, 14 and 16
c110877 UEG0277S
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Parts for your 7241 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8995 [2] FITTING  
  1F-1344 [2] NUT  
    (1 in each 3B8995 Fitting)
2. 2B-2404 [3] CLIP  
3. 1N-7024 [1] GEAR (46 Teeth)  
4. 2N-9373 [1] TUBE  
5. 1N-7025 [1] GEAR (92 Teeth)  
6. 1N-7027 [1] GEAR (84 Teeth)  
7. 1N-7026 [1] GEAR (42 Teeth)  
8. 2N-9374 [1] TUBE  
 

#UEG0277S0088
 

2N-2796: GEAR GP-TRANSFER

2N2796 TRANSFER GEAR GROUP--1.00:1 Ratio--Type 2
Part of 5N5111, 5N5113, 5N5114, 5N5115 and 5N5116 Marine Transmission and
3N4880, 2N2788, 2N2789, 2N2790 and 2N2791 Marine Gear Reduction
Arrangements listed on Pages 2A, 2B, 2C, 13B, 14, 15 and 16
c172980 UEG0277S
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Parts for your 7241 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-6516 C [1] GEAR (61 teeth)  
2. 3B-8995 [1] FITTING  
    (Includes)
  1F-1344 C [1] NUT  
3. 3N-6514 C [1] GEAR (69 teeth)  
4. 0L-2072 C [3] CLIP  
5. 2N-9371 [1] TUBE  
6. 3N-6515 C [1] GEAR  
7. 3N-6517 C [1] GEAR  
8. 2N-9372 [1] TUBE  
9. 3B-8998 [1] FITTING  
    (Includes)
  1F-1344 [1] NUT  
10. 3N-6520 C [1] GEAR (42 teeth)  
  C   INDICATES CHANGE
 

#UEG0277S0089
 

2N-2797: GEAR GP-TRANSFER

2N2797 TRANSFER GEAR GROUP--2.00:1 Ratio--Type 2
Part of 5N5112, 5N5117, 5N5118 Marine Transmission and 3N5951, 2N2787 and
2N2792 Marine Gear Reduction Arrangements listed on Pages 2A, 2D, 13B, 14 and 16
c172981 UEG0277S
  For full view, you need register

Parts for your 7241 MARINE TRANSMISSION:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8995 [2] FITTING  
    (Each Includes)
  1F-1344 [1] NUT  
2. 0L-2070 C [3] CLIP  
3. 3N-7328 C [1] GEAR (46 teeth)  
4. 2N-9373 [1] TUBE  
5. 3N-7329 C [1] GEAR (92 teeth)  
6. 3N-7331 C [1] GEAR (84 teeth)  
7. 3N-7330 C [1] GEAR (42 teeth)  
8. 2N-9374 [1] TUBE  
9. 3N-6520 C [1] GEAR (42 teeth)  
  C   INDICATES CHANGE
 

Information:

Caterpillar Parts SIS Catalog 7241 :

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