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5N4556 AIR SHUT-OFF GROUP--Hydraulic--Type 2 Serial No. 67B2029-Up FOR USE WITH HYDRA-MECHANICAL SHUT-OFF SYSTEM 3N8924 Air Shut-Off parts are shown on Page 94A-1 D398A


AIR INLET AND EXHAUST SYSTEM
SHUTOFF GP-AIR
ELECTRICAL AND STARTING SYSTEM
SWITCH GP
FUEL SYSTEM
LINES GP-FUEL INJECTION
ELECTRICAL AND STARTING SYSTEM
SWITCH GP
SHUTOFF GP


AIR INLET AND EXHAUST SYSTEM

SHUTOFF GP-AIR
 

#UEG0646S0550
 

5N-4556: SHUT-OFF GP-AIR

5N4556 AIR SHUT-OFF GROUP--Hydraulic--Type 2
Serial No. 67B2029-Up
FOR USE WITH HYDRA-MECHANICAL SHUT-OFF SYSTEM
3N8924 Air Shut-Off parts are shown on Page 94A-1
c300911 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5N-8963 C [1] CYLINDER-HYDRAULIC  
2. 0S-1615 [2] BOLT  
  5P-0537 [2] WASHER  
3. 5N-9202 C [1] FLANGE  
4. 3P-5859 C [1] SEAL-O-RING  
5. 3N-8924 Y [1] SHUT-OFF GP-AIR  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#UEG0646S0551
 

5N-4556: SHUT-OFF GP-AIR

5N4556 AIR SHUT-OFF GROUP--HYDRAULIC--TYPE 3
Serial No. 67B2029-Up
2W8817-Page 94A-1C
For Use With Hydro-Mechanical Shut-Off System. An Attachment
c333989 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2W-6314 C [1] CYLINDER-HYDRAULIC  
2. 0S-1615 [2] BOLT  
  5P-0537 [2] WASHER  
3. 5N-9202 [1] FLANGE  
4. 3P-5859 [1] SEAL-O-RING  
5. 2W-8817 CY [1] SHUT-OFF GP-AIR  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#UEG0646S0552
 

4W-9863: SPRING GP

4W9863 SPRING GROUP--SHUT-OFF
For Use With Engines Equipped With Hydro-Mechanical Shut-Off
Field Installation
c332056 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4W-8930 [1] CLIP  
2. 9F-6580 [1] BOLT  
3. 5P-0537 [2] WASHER  
4. 1B-7182 [2] BOLT  
5. 4W-8931 [1] BRACKET  
6. 7M-6045 [1] SPRING-GOVERNOR  
 

#UEG0646S0553
 

2W-8817: SHUT-OFF GP-AIR

2W8817 AIR SHUT-OFF GROUP
Part Of 5N4556 & 5N4558 Air Shut-Offs
An Attachment
c333990 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-8916 [1] SHAFT AS  
2. 5S-6458 [1] DOWEL  
3. 3N-8914 [1] LATCH  
4. 3N-8927 [1] SPRING  
5. 3B-1163 [1] WASHER  
6. 2N-3454 [1] PLATE AS  
7. 2W-8816 [1] HOUSING AS  
8. 2W-7727 [2] BEARING-SLEEVE  
9. 2L-5986 [1] BUSHING  
10. 0S-1614 [3] BOLT  
  4L-3680 [1] LOCK-NUT  
11. 4B-3388 [4] BOLT  
  9M-1974 [4] WASHER  
12. 5N-3279 [1] COVER AS  
13. 6V-9747 [1] SEAL-LIP TYPE  
14. 3N-8920 [1] GASKET  
15. 0S-1615 [1] BOLT  
  5P-0537 [1] WASHER  
16. 5N-4545 [1] KNOB  
 

#UEG0646S0554
 

5N-4558: SHUT-OFF GP-AIR

5N4558 AIR SHUT-OFF GROUP--ELECTRIC--TYPE 2
2W8817-Page 94A. 1C
For Use With Over Speed Failure
c333994 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1615 [2] BOLT  
2. 5P-0537 [2] WASHER  
3. 2N-2385 [1] SOLENOID  
4. [1] NUT  
5. 5L-8983 [1] SPRING-SOLENOID  
6. 5N-8330 C [1] GASKET  
7. 5N-1702 [1] SHAFT-SOLENOID  
8. 2W-8817 CY [1] SHUT-OFF GP-AIR  
9. 1W-9070 C [1] DIODE AS  
10. 7F-9504 B [1] PLUG-PIPE  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#UEG0646S0555
 

7N-4196: SWITCH GP

7N4196 WOODWARD GOVERNOR SYNCRONIZING MOTOR SWITCH GROUP--Type 1
c215254 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3L-4576 [1] PLATE  
2. 3L-3911 [1] SWITCH (governor)  
  [1] WIRING DIAGRAM  
 

#UEG0646S0556
 

3N-6413: VALVE GP-FUEL INJECTION

3N6413 FUEL INJECTION VALVE GROUP
FOR USE WITH ELECTRIC WOODWARD GOVERNOR
c145602 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2N-3946 [12] VALVE ASSEM.  
  7M-4603 [1] BODY  
2. 5H-7225 [1] NUT  
3. 1P-1098 [1] VALVE SERVICE GROUP  
4. 6F-1069 [1] SEAL ASSEM.  
5. 5B-3718 [1] SEAL  
 

#UEG0646S0557
 

7N-4196: SWITCH GP

7N4196 WOODWARD GOVERNOR SYNCHRONIZING MOTOR SWITCH GROUP--
Type 2
Refer to Chart shown on Page 94B-3 for usage
c168424 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3L-4576 [1] PLATE  
2. 1V-6393 C [1] SWITCH (governor)  
3. 5P-4571 C [4] TERMINAL  
  C [1] WIRING DIAGRAM  
  C   INDICATES CHANGE
 

#UEG0646S0558
 

7N-4196: SWITCH GP

7N4196 WOODWARD GOVERNOR SYNCHRONIZING MOTOR SWITCH GROUP--
Type 3
Refer to Chart shown on Page 94B-3 for usage
c228235 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3L-4576 [1] NAMEPLATE  
2. 7N-8008 C [1] SWITCH AS (GOVERNOR)  
  C   CHANGE FROM PREVIOUS TYPE
 

#UEG0646S0559
 

5N-7195: SOLENOID GP-SHUT-OFF

5N7195 SOLENOID SHUT-OFF GROUP
FOR USE WITH UG8 GOVERNOR. Adapts 5N7194 Shut-Off Group for use with
Watercooled Manifolds. 5N7194 Shut-Off parts are shown on Page 94A-5
AN ATTACHMENT
c179125 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5N-7194 Y [1] SOLENOID GROUP  
    (Separate Illustration)
2. 1D-4540 [2] BOLT  
3. 1K-6705 [4] BOLT 12.70 mm (.50 in.) long  
    -OR-
  0S-1621 C [4] BOLT 25.40 mm (1 in.) long  
  3H-3681 C [4] NUT  
4. 5N-7159 [4] BRACKET  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

Caterpillar Parts SIS Catalog D398A :

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