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3N7984 ELECTRIC TACHOMETER GROUP 3406 MARINE ENGINE


OPERATOR STATION
TACHOMETER GP
ELECTRICAL AND STARTING SYSTEM
SENSOR GP
OPERATOR STATION
TACHOMETER GP
FUEL SYSTEM
DRIVE GP-TACHOMETER
OPERATOR STATION
TACHOMETER GP


OPERATOR STATION

TACHOMETER GP
 

#SEBP10190820
 

3N-7984: ELECTRIC TACHOMETER GROUP

3N7984 ELECTRIC TACHOMETER GROUP
c205780 SEBP1019
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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-7983 [1] TACHOMETER  
2. 3N-7477 [1] PICK-UP ASSEM.  
3. 3N-5319 [1] BUSHING  
  [1] WIRING DIAGRAM  
 

#SEBP10190821
 

3N-6871: TACHOMETER GP-ELECTRIC

3N6871 ELECTRIC TACHOMETER GROUP--Type 1
c119242 SEBP1019
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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-4430 [1] SENDING UNIT AS  
2. 3N-6918 [1] TANG-DRIVE  
3. 3N-6916 [1] NUT  
4. 3N-6917 [1] CAP  
  1H-1023 [2] SEAL-O-RING  
5. 3N-7288 [1] TACHOMETER-ELECTRIC  
6. 3N-4431 [1] HARNESS AS-WIRE  
 

#SEBP10190822
 

3N-6871: TACHOMETER GP-ELECTRIC

3N6871 ELECTRIC TACHOMETER GROUP--0--2500 RPM--Type 2
Replaced by 5N8750 and 5N8757 shown on Page 187B
AN ATTACHMENT
c232342 SEBP1019
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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5N-8176 C [1] SENDER AS (TACHOMETER)  
2. 3N-6918 [1] TANG-DRIVE  
3. 3N-6916 [1] NUT  
4. 3N-6917 [1] CAP  
  1H-1023 [2] SEAL-O-RING  
5. 7N-9738 [1] HOUSING-RECEPTACLE  
  7N-7780 [1] PIN-CONNECTOR  
  7N-7779 [1] SOCKET  
6. 3N-7288 [1] TACHOMETER-ELECTRIC  
7. 5N-8209 C [1] HARNESS AS  
  5P-5677 BD WIRE (18 GA)  
  7N-9017 [2] TERMINAL  
8. 7N-9737 [1] HOUSING-PLUG  
  7N-7780 [1] PIN-CONNECTOR  
  7N-7779 [1] SOCKET  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
  D   ORDER BY THE METER
 

#SEBP10190823
 

5N-8750: TACHOMETER GP-ELECTRIC

5N8750 ELECTRIC TACHOMETER GROUP
AN ATTACHMENT
c236488 SEBP1019
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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3T-2160 [1] BOARD  
2. 9B-7242 [2] SCREW-MACHINE  
3. 3T-2159 [1] TACHOMETER  
4. 6V-2744 E WIRE 366CM(144.1IN)  
5. 9G-3186 [5] TERMINAL-SPADE  
  E   ORDER BY THE CENTIMETER
 

#SEBP10190824
 

5N-8757: MAGNETIC PICKUP GP

5N8757 MAGNETIC PICK-UP GROUP
FOR USE WITH 5N8750 TACHOMETER AND 7L4535 MOUNTING GROUP WHEN A
DUAL SPEED SWITCH OR EG3P GOVERNOR IS NOT INSTALLED
c237491 SEBP1019
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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9G-3186 [3] TERMINAL-SPADE  
2. 6L-3483 [1] COVER-TERMINAL  
3. 5N-6753 [1] PICK-UP AS-MAGNETIC  
 

#SEBP10190825
 

3N-8161: ELECTRIC TACHOMETER GROUP

3N8161 ELECTRIC TACHOMETER GROUP
c205781 SEBP1019
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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-8160 [1] TACHOMETER  
2. 3N-7477 [1] PICK-UP ASSEM.  
3. 3N-5319 [1] BUSHING  
  [1] WIRING DIAGRAM  
 

#SEBP10190826
 

4N-1402: DRIVE GP-TACHOMETER

4N1402 TACHOMETER DRIVE GROUP--Single
c217795 SEBP1019
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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-4756 [1] ADAPTER ASSEM.  
2. 9S-0211 [2] CLAMP  
3. 8H-3127 C [2] BOLT  
4. 4M-8303 [1] SEAL  
  C   INDICATES CHANGE
 

#SEBP10190827
 

4N-5217: DRIVE GP-TACHOMETER

4N5217 TACHOMETER DRIVE GROUP--Dual
c119180 SEBP1019
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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4M-8303 [1] SEAL  
2. 4N-5081 [1] ADAPTER ASSEM.  
3. 9S-0211 [2] CLAMP  
4. 9S-5033 [2] BOLT  
  1H-3244 [2] LOCKWASHER  
 

#SEBP10190828
 

7L-4535: MOUNTING GP-TACHOMETER

7L4535 TACHOMETER MOUNTING GROUP--Type 1
FOR ENGINE MOUNTED MECHANICAL TACHOMETER
c117628 SEBP1019
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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7L-4536 [1] BRACKET  
2. 1D-4716 [2] NUT  
3. 4B-4277 [2] WASHER  
4. 2H-3755 [2] BOLT  
5. 3B-4505 [2] LOCKWASHER  
6. 1M-3466 [3] CLIP  
7. 7B-1597 [1] CLIP  
  0S-1573 H [2] BOLT  
  2F-7689 H [2] SPACER  
  H   NOT SHOWN-USED TO RELOCATE INSTRUMENT PANEL
 

#SEBP10190829
 

7L-4535: MOUNTING GP-TACHOMETER

7L4535 TACHOMETER MOUNTING GROUP--Type 2
FOR ENGINE MOUNTED MECHANICAL TACHOMETER
c217545 SEBP1019
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Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7L-4536 [1] BRACKET-TACHOMETER  
2. 1D-4716 [2] NUT-FULL  
3. 4B-4277 [2] WASHER  
4. 2H-3755 [2] BOLT  
 

Caterpillar Parts SIS Catalog 3406 :

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