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5N5994 CONTROL SHUT-OFF GROUP-OIL PRESSURE, WATER TEMPERATURE AND Overspeed-1000 To 1300 R.P.M. Engines-Part 2-Type 3 Serial No. 67B2029-Up 5N6443 Valve Parts Are Shown On Page 99E D398A




ELECTRICAL AND STARTING SYSTEM

SHUTOFF GP
 

#UEG0646S0620
 

5N-5994: SHUT-OFF GP-CONTROL

5N5994 CONTROL SHUT-OFF GROUP-OIL PRESSURE, WATER TEMPERATURE AND
Overspeed-1000 To 1300 R.P.M. Engines-Part 2-Type 3
Serial No. 67B2029-Up
5N6443 Valve Parts Are Shown On Page 99E
c238051 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5M-6213 [4] PLUG (nex)  
2. 032-1268 [6] ELBOW  
3. 5N-4990 [1] TUBE ASSEM.  
4. 5N-6705 [1] COVER  
  5N-2707 [1] GASKET  
5. 032-1267 [1] CONNECTOR  
6. 3R-6569 [1] BOLT  
7. 5P-0537 [13] WASHER  
8. 5N-2709 [1] BOLT  
  6F-0612 [1] NUT  
9. 4F-7957 [3] BOLT  
10. 2A-4781 [5] BOLT  
11. [1] PLUG (pipe)  
12. 8S-4710 [3] BOLT  
13. 5N-1782 [1] PLATE  
  2H-3880 [2] SCREW  
14. 5N-6443 Y [1] VALVE GROUP  
    (Separate Illustration)
15. 001-6498 [1] ELBOW  
16. 5P-4478 [1] ADAPTER  
  Y   SEPARATE ILLUSTRATION
 

#UEG0646S0621
 

5N-5993: SHUT-OFF GP-CONTROL

5N5993 CONTROL SHUT-OFF GROUP--Oil Pressure, Water Temperature and
Overspeed--900 to 1000 R.P.M. Rated Engines--Part 1--Type 1
Serial No. 67B2029-Up. 5N5990 and 5N2718 Valves and 5N5992 Pump parts are
shown on Pages 99C and 99D
c175806 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-5748 [1] SEAT  
2. 5N-2716 [1] BOLT  
  6F-0612 [1] NUT  
3. 5P-0537 [9] WASHER  
4. 5N-4727 [1] COVER  
  5N-2725 [1] GASKET  
5. 3N-8402 [1] SPRING  
6. 5N-4728 [1] SEAT  
7. 5N-5990 Y [1] VALVE GROUP  
    (Separate Illustration)
8. 5N-3199 [1] GASKET  
9. 5M-5845 C [8] SCREW  
10. 5N-4718 [1] GASKET  
11. 5N-3198 [1] GASKET  
12. 5N-5992 Y [1] PUMP GROUP  
    (Separate Illustration)
13. 6L-1596 [7] BOLT  
14. 5L-9018 [1] BOLT  
15. 5N-2718 Y [1] VALVE GROUP  
    (Separate Illustration)
16. 3N-8403 [1] SPRING  
17. 6N-3504 [1] SEAT  
18. 5N-6141 [1] HOUSING ASSEM.  
    (Includes)
19. 9F-2247 [1] PLUG  
20. 9L-9503 [2] DOWEL  
21. 3N-5744 [1] SHAFT  
22. 3N-5755 [1] LEVER  
23. 5N-4729 [1] GUIDE  
24. [2] PLUG  
25. 4B-4274 C [8] WASHER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0646S0622
 

5N-5993: SHUT-OFF GP-CONTROL

5N5993 CONTROL SHUT-OFF GROUP--Oil Pressure, Water Temperature and
Overspeed--900 to 1000 R.P.M. Rated Engines--Part 2--Type 1
Serial No. 67B2029-Up
5N6443 Valve parts are shown on Page 99E
c175807 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5M-6213 [4] PLUG (hex)  
2. 032-1268 C [6] ELBOW  
3. 5N-4990 [1] TUBE ASSEM.  
4. 5N-6705 C [1] COVER  
  5N-2707 [1] GASKET  
5. 032-1267 [1] CONNECTOR  
6. 3R-6569 [1] BOLT  
7. 5P-0537 [13] WASHER  
8. 5N-2709 [1] BOLT  
  6F-0612 [1] NUT  
9. 4F-7957 [3] BOLT  
10. 2A-4781 [5] BOLT  
11. 3D-4603 [1] PLUG (pipe)  
12. 8S-4710 [3] BOLT  
13. 5N-1782 [1] PLATE  
  2H-3880 [2] SCREW  
14. 5N-6443 Y [1] VALVE GROUP  
    (Separate Illustration)
15. 001-6498 C [1] ELBOW  
16. 5P-4478 C [1] ADAPTER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0646S0623
 

5N-5993: SHUT-OFF GP-CONTROL

5N5993 CONTROL SHUT-OFF GROUP--Oil Pressure, Water Temperature and
Overspeed--900 to 1000 R.P.M. Rated Engines--Part 1--Type 2
Serial No. 67B2029-Up. 5N5990 and 5N2718 Valves and 2W964 Pump parts are
shown on Pages 99C, 99D & 99E-1
c182976 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-5748 [1] SEAT  
2. 5N-2716 [1] BOLT  
  6F-0612 [1] NUT  
3. 5P-0537 [9] WASHER  
4. 5N-4727 [1] COVER  
  5N-2725 [1] GASKET  
5. C [1] SPRING  
6. 5N-4728 [1] SEAT  
7. 5N-5990 Y [1] VALVE GROUP  
    (Separate Illustration)
8. 5N-8227 C [1] GASKET  
9. 3K-6168 C [8] SCREW  
10. 5N-4718 [1] GASKET  
11. 5N-3198 [1] GASKET  
12. 2W-0964 CY [1] PUMP GROUP  
    (Separate Illustration)
13. 6L-1596 [7] BOLT  
14. 5L-9018 [1] BOLT  
15. 5N-2718 Y [1] VALVE GROUP  
    (Separate Illustration)
16. 3N-8403 [1] SPRING  
17. 6N-3504 [1] SEAT  
18. 5N-6141 [1] HOUSING ASSEM.  
    (Includes)
19. 9F-2247 [1] PLUG  
20. 9L-9503 [2] DOWEL  
21. 3N-5744 [1] SHAFT  
22. 3N-5755 [1] LEVER  
23. 5N-4729 [1] GUIDE  
24. 3D-4603 [2] PLUG  
25. 3H-0240 C [8] WASHER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0646S0624
 

5N-5993: SHUT-OFF GP-CONTROL

5N5993 CONTROL SHUT-OFF GROUP--Oil Pressure, Water Temperature and
Overspeed--900 to 1000 R.P.M. Rated Engines--Part 2--Type 2
Serial No. 67B2029-Up. 5N6443 Valve parts are shown on Page 99E
c182977 UEG0646S
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5M-6213 [4] PLUG (hex)  
2. 032-1268 [6] ELBOW  
3. 5N-4990 [1] TUBE ASSEM.  
4. 5N-6705 [1] COVER  
  5N-2707 [1] GASKET  
5. 032-1267 [1] CONNECTOR  
6. 3R-6569 [1] BOLT  
7. 5P-0537 [13] WASHER  
8. 5N-2709 [1] BOLT  
  6F-0612 [1] NUT  
9. 4F-7957 [3] BOLT  
10. 2A-4781 [5] BOLT  
11. 3D-4603 [1] PLUG (pipe)  
12. 8S-4710 [3] BOLT  
13. 5N-1782 [1] PLATE  
  2H-3880 [2] SCREW  
14. 5N-6443 Y [1] VALVE GROUP  
    (Separate Illustration)
15. 001-6498 [1] ELBOW  
16. 5P-4478 [1] ADAPTER  
  Y   SEPARATE ILLUSTRATION
 

#UEG0646S0625
 

5N-2094: LINES GP-ENGINE OIL

5N2094 SHUT-OFF ENGINE OIL LINES GROUP--Part 1 of 3--Type 1
Serial No. 67B2029-Up. Note: Provides lines connecting the Hydra-Mechanical Shut-Off Unit to the Air Inlet Shut-Off
Valves and to the Rack Shut-Off Cylinder in the event of overspeed, low oil pressure or high water temperature conditions
c230131 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5N-2430 [1] TUBE ASSEM.  
2. 6L-9781 [2] CONNECTOR  
3. 0S-1594 C [2] BOLT  
  1D-4717 C [2] NUT  
4. 5N-5741 C [1] BRACKET  
5. 5N-2432 [1] TUBE ASSEM.  
6. 5N-2426 [1] TUBE ASSEM.  
7. 5P-9297 [3] CLIP  
8. 8L-4852 [1] SPACER  
9. 0S-1590 C [1] BOLT  
10. 5M-2894 C [4] WASHER  
11. 1B-7182 C [2] BOLT  
12. 1D-4716 [2] NUT  
13. 9M-1974 [4] WASHER  
14. 5M-5689 [4] CLAMP  
15. 5K-9246 [1] CONNECTOR  
16. 4L-7108 [1] VALVE  
17. 032-1268 [2] ELBOW  
18. 5N-2460 [1] TUBE ASSEM.  
19. 5P-1200 H TUBE 52 cm(20.4 in.)  
20. 2K-8851 [2] NUT  
21. 5N-2459 [1] TUBE ASSEM.  
22. 5N-1887 [1] SCREW  
23. 2N-1287 [1] ELBOW  
24. 030-9386 [1] HOSE ASSEM. 61 cm(24 in.)  
25. 033-5853 [1] SEAL  
26. 030-7946 [1] ELBOW  
27. 5N-2425 [1] TUBE ASSEM.  
28. 5N-3812 [1] GASKET  
29. 0S-1591 C [1] BOLT  
  1L-5081 C [1] SPACER  
30. 1A-2029 C [1] BOLT  
31. 8M-2773 C [1] CLIP  
  C   INDICATES CHANGE
  H   ORDER BY THE CENTIMETER
 

#UEG0646S0626
 

5N-2094: LINES GP-ENGINE OIL

5N2094 SHUT-OFF ENGINE OIL LINES GROUP--Part 2 of 3--Type 1
Serial No. 67B2029-Up. Note: Provides lines connecting the Hydra-Mechanical Shut-Off Unit to the Air Inlet Shut-Off
Valves and to the Rack Shut-Off Cylinder in the event of overspeed, low oil pressure or high water temperature conditions
c228512 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5N-5679 C [2] BRACKET  
2. 1B-7182 C [5] BOLT  
3. 1D-4716 [5] NUT  
4. 9M-1974 [8] WASHER  
5. 0L-2070 [3] BOLT  
6. 5M-2894 C [11] WASHER  
7. 8L-4852 C [4] SPACER  
8. 5N-2345 [1] PLATE  
9. 032-1267 [2] CONNECTOR  
10. 0S-1590 C [1] BOLT  
11. 5M-5689 C [2] CLAMP  
12. 7N-3718 [1] CLIP  
13. 5N-2429 [1] TUBE ASSEM.  
14. 5N-2325 [1] BRACKET  
15. 0S-1591 C [6] BOLT  
16. 6H-7127 C [5] SPACER  
17. 6H-4485 [3] SPACER  
18. 5M-5926 [3] CLAMP  
19. 7K-4129 [5] CONNECTOR  
20. 5N-2368 C [4] HOSE ASSEM. 24 cm(10 in.)  
21. 5J-7303 C [1] ELBOW  
22. 005-4362 [1] FITTING  
23. 5N-3813 [1] COUPLING  
24. 2D-7325 C [2] TEE  
25. 9M-4618 [1] SEAL  
26. 5N-3936 [1] TUBE ASSEM.  
  7L-2224 [1] SEAL  
27. 8S-9941 [1] JOINT ASSEM.  
    (Includes)
  2P-4145 [2] SEAL  
28. 5N-3814 [1] TUBE ASSEM.  
29. 001-7003 [1] CONNECTOR  
30. 6S-2274 C [1] HOSE ASSEM. 22.7 cm(8.94 in.)  
31. 4S-6399 C [1] CONNECTOR  
32. 2G-7552 [1] HOSE ASSEM. (not serviced)  
    (Includes)
32. 2P-5943 H HOSE 11 in.(27 cm)  
  4S-5414 [2] SLEEVE  
  8S-6417 [2] COUPLING ASSEM.  
33. 0L-1143 [2] BOLT  
34. 0S-1588 C [2] BOLT  
35. 6F-6405 C [2] SPACER  
36. 8M-2773 C [2] CLIP  
37. 5N-2367 C [2] HOSE ASSEM.  
38. 3K-0360 C [1] SEAL  
39. 2N-1931 C [1] ELBOW  
40. 3B-7739 C [1] NIPPLE  
41. 5J-7303 C [1] ELBOW  
42. 6S-2274 C [1] HOSE ASSEM. 22.7 cm(8.94 in.)  
43. 4S-6399 C [1] CONNECTOR  
  C   INDICATES CHANGE
  H   ORDER BY THE INCH
 

#UEG0646S0627
 

5N-2094: LINES GP-ENGINE OIL

5N2094 SHUT-OFF ENGINE OIL LINES GROUP--Part 3 of 3--Type 1
Serial No. 67B2029-Up. Note: Provides lines connecting the Hydra-Mechanical
Shut-Off Unit to the Air Inlet Shut-Off Valves and to the Rack Shut-Off Cylinder in
the event of overspeed, low oil pressure or high water temperature conditions
c230132 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6K-9194 [1] ELBOW  
2. 5N-2435 [1] TUBE ASSEM.  
3. 5K-9235 [1] ELBOW  
4. 7K-4129 [4] CONNECTOR  
5. 5N-2436 [1] TUBE ASSEM.  
6. 032-1267 [3] CONNECTOR  
7. 030-7950 [1] ELBOW  
  3D-2824 [1] SEAL  
8. 5N-5266 [1] TUBE ASSEM.  
9. 5N-2433 [1] TUBE ASSEM.  
10. 1B-7182 [2] BOLT  
  1D-4716 [2] NUT  
  9M-1974 [2] WASHER  
11. 5N-5678 C [1] PLATE  
12. 5N-2434 [1] TUBE ASSEM.  
13. 032-1268 [1] ELBOW  
14. 7F-9504 [1] PLUG  
15. 5M-5689 [2] CLAMP  
16. 0S-1571 C [2] BOLT  
  5M-2894 [2] WASHER  
17. 5N-5680 C [1] PLATE  
  C   INDICATES CHANGE
 

#UEG0646S0628
 

5N-2094: LINES GP-ENGINE OIL

5N2094 SHUT-OFF ENGINE OIL LINES GROUP--PART 1 OF 3--TYPE 2
Serial No. 67B2029 To 67B2379 Inclusive
Note: Provides Lines Connecting The Hydra-Mechanical Shut-Off Unit To The
Air Inlet Shut-Off Valves And To The Rack Shut-Off Cylinder In The Event
Of Overspeed, Low Oil Pressure Or High Water Temperature Conditions
c234516 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5N-2430 [1] TUBE ASSEM.  
2. 6L-9781 [2] CONNECTOR  
3. 0S-1594 C [2] BOLT  
  1D-4717 C [2] NUT  
4. 5N-5741 C [1] BRACKET  
5. 5N-2432 [1] TUBE ASSEM.  
6. 5N-2426 [1] TUBE ASSEM.  
7. 5P-9297 [3] CLIP  
8. 8L-4852 [1] SPACER  
9. 0S-1590 C [1] BOLT  
10. 5M-2894 C [4] WASHER  
11. 1B-7182 C [2] BOLT  
12. 1D-4716 [2] NUT  
13. 9M-1974 [4] WASHER  
14. 5M-5689 [4] CLAMP  
15. 5K-9246 [1] CONNECTOR  
16. 4L-7108 [1] VALVE  
17. 032-1268 [2] ELBOW  
18. 5N-2460 [1] TUBE ASSEM.  
19. 5P-1200 H TUBE 52 cm(20.4 in.)  
20. 2K-8851 [2] NUT  
21. 5N-2459 [1] TUBE ASSEM.  
22. 5N-1887 [1] SCREW  
23. 2N-1287 [1] ELBOW  
24. 030-9386 [1] HOSE ASSEM. 61 cm(24 in.)  
25. 033-5853 [1] SEAL  
26. 030-7946 [1] ELBOW  
27. 5N-2425 [1] TUBE ASSEM.  
28. 5N-3812 [1] GASKET  
29. 0S-1591 C [1] BOLT  
  1L-5081 C [1] SPACER  
30. 1A-2029 C [1] BOLT  
31. 8M-2773 C [1] CLIP  
32. 2N-8037 C [1] ELBOW  
33. 3N-6935 C [1] VALVE  
34. 7J-0482 C [1] ELBOW  
35. 5S-2403 C [1] NIPPLE  
  C   INDICATES CHANGE
  H   ORDER BY THE CENTIMETER
 

#UEG0646S0629
 

5N-2094: LINES GP-ENGINE OIL

5N2094 SHUT-OFF ENGINE OIL LINES GROUP--PART 2 OF 3--TYPE 2
Serial No. 67B2029 To 67B2379 Inclusive
Note: Provides Lines Connecting The Hydra-Mechanical Shut-Off Unit To The
Air Inlet Shut-Off Valves And To The Rack Shut-Off Cylinder In The Event
Of Overspeed, Low Oil Pressure Or High Water Temperature Conditions
c343576 UEG0646S
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5N-5679 C [2] BRACKET  
2. 1B-7182 C [5] BOLT  
3. 1D-4716 [5] NUT  
4. 9M-1974 [8] WASHER  
5. 0L-2070 [3] BOLT  
6. 5M-2894 C [11] WASHER  
7. 8L-4852 C [4] SPACER  
8. 5N-2345 [1] PLATE  
9. 032-1267 [2] CONNECTOR  
10. 0S-1590 C [1] BOLT  
11. 5M-5689 C [2] CLAMP  
12. 7N-3718 [1] CLIP  
13. 5N-2429 C [1] TUBE AS.  
14. 5N-2325 [1] BRACKET  
15. 0S-1591 C [6] BOLT  
16. 6H-7127 C [6] SPACER  
17. 6H-4485 [3] SPACER  
18. 5M-5926 [3] CLAMP  
19. 7K-4129 [5] CONNECTOR  
20. 5N-2368 C [3] HOSE AS.  
21. 5J-7303 C [1] ELBOW  
22. 005-4362 [1] FITTING  
23. 5N-3813 [1] COUPLING  
24. 2D-7325 C [2] TEE  
25. 9M-4618 [1] SEAL  
26. 5N-3936 [1] TUBE AS.  
  7L-2224 [1] SEAL  
27. 8S-9941 [1] JOINT AS.  
  2P-4145 [2] SEAL  
28. 5N-3814 [1] TUBE AS.  
29. 001-7003 [1] CONNECTOR  
30. 6S-2274 C [1] HOSE AS.  
31. 4S-6399 C [1] CONNECTOR  
32. 2G-7552 C [2] HOSE AS.  
33. 0L-1143 [2] BOLT  
34. 0S-1588 C [2] BOLT  
35. 6F-6405 C [2] SPACER  
36. 8M-2773 C [2] CLIP  
37. 5N-2367 C [2] HOSE AS.  
38. 3K-0360 C [1] SEAL  
39. 2N-1931 C [1] ELBOW  
40. 3B-7739 C [1] NIPPLE  
  C   INDICATES CHANGE
 

Information:

Engine News
Special Instruction
Installation Of 2N2384 And 2N2385 Solenoids{1259, 1400}
Installation Of 2N2384 And 2N2385 Solenoids{1259, 1400}
Installation Of Hydra-Mechanical Shutoff Groups{7400, 7418}
Installation Of Hydra-Mechanical Shutoff Groups{7400, 7418}
Installation of 5L8984, 3N584 and 8N1571 Solenoid Shutoff Groups{1259}
Installation of 5L8984, 3N584 and 8N1571 Solenoid Shutoff Groups{1259}
Specifications
Cable Adjustment<BR> (Air Inlet Shut-off)
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Shut-Off Solenoids
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Shutoff Valve For Water Temperature
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Rack Shut Off Cylinder 1N5073 and 5N5762
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Air Inlet Shut Off
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Hydramechanical Shut-Off 3N5760, 5N1978, 5N5993 &amp; 5N5994
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Mechanical Overspeed Shutoff
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Disassembly and Assembly
Shutoff Control
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Shutoff Control Group
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Service Magazine

Caterpillar Parts SIS Catalog D398A :

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