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6L2120 AUXILIARY DRIVE GROUP-SAE STANDARD ENGINE ROTATION 40 HORSEPOWER MAXIMUM AT 1300 R.P.M. FOR USE WITH RAW WATER PUMP AN ATTACHMENT D399


BASIC ENGINE
DRIVE GP-AUXILIARY
CYLINDER HEAD GP
DRIVE GP-ACCESSORY

GEN SET ENGINE D399 GEN SET ENGINE 36Z
 D399 GENERATOR SET ENGINE 36Z00001-UP SEBP1291 D399 36Z   (1980)

BASIC ENGINE

DRIVE GP-AUXILIARY
DRIVE GP-AUXILIARY
3N-6722 DRIVE GP-AUXILIARY
DRIVE GP-AUXILIARY
6L-2120 DRIVE GP-AUXILIARY
3N-8642 FASTENER GP-FRONT DRIVE SHAFT
SHAFT GP-STUB
3N-6723 SHAFT GP-STUB
 

#SEBP12910020
 

6L-2120: DRIVE GP-AUXILIARY

6L2120 AUXILIARY DRIVE GROUP-SAE STANDARD ENGINE ROTATION
40 HORSEPOWER MAXIMUM AT 1300 R.P.M.
FOR USE WITH RAW WATER PUMP
AN ATTACHMENT
c229713 SEBP1291
6L2120 DRIVE GP-AUXILIARY Parts scheme
  For full view, you need register

Parts for your D399 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3F-5022 [1] PLUG  
2. 4L-3748 [1] RETAINER ASSEM.  
3. 6L-2135 [1] RETAINER ASSEM.  
    (Each Includes)
4. 5L-2660 C [1] BEARING  
5. C [1] BALL  
6. 1A-2029 [7] BOLT 28.5 mm (1.125 in.)  
7. 3B-4506 [10] LOCKWASHER  
8. 5H-6012 [1] SEAL  
9. 6L-2166 [1] SHAFT  
10. 6T-2040 [1] KEY  
11. 4L-3756 [1] BEARING  
12. 8N-1358 C [1] GEAR  
13. 6F-7030 [6] BOLT  
  4L-3759 [3] LOCK  
14. 0S-1594 [5] BOLT 25.4mm (1 in.)  
15. 7F-7510 [4] LOCK  
16. 4L-3437 [2] GASKET  
17. 5L-5840 [2] WASHER (small)  
  4B-4278 C [2] WASHER (large)  
18. 2A-4639 C [4] BOLT  
  C   INDICATES CHANGE
 

#SEBP12910021
 

3N-2682: CYLINDER HEAD GP

3N2682 CYLINDER HEAD AND VALVE MECHANISM GROUP-PART 1 OF 2
SERIAL NO. 36Z1 TO 36Z565 INCLUSIVE
c175130 SEBP1291
3N2682 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your D399 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4H-6716 [48] WASHER  
  1B-9917 [16] SPRING (Short)  
  6F-5034 [8] SPRING (Long)  
2. 3B-4621 [16] COTTER PIN  
3. 0L-1351 [16] BOLT  
  3B-4506 [16] LOCKWASHER  
4. 6H-3217 [8] SHAFT ASSEM.  
5. 4F-4585 [2] PLUG  
6. 0S-1608 C [2] BOLT  
7. 8M-8509 [1] LOCK  
8. 2N-3553 [9] SEAL  
9. 8S-9089 [32] BOLT  
  3F-4550 [16] LOCK  
10. 1B-4204 [32] NUT  
11. 1A-0744 [32] SCREW  
12. 2N-3227 [8] BRACKET  
13. 5L-5486 [32] LIFTER ASSEM.  
14. 3N-1598 [1] ELBOW ASSEM.  
15. 5M-4987 [2] DOWEL  
16. 4L-7820 [32] ROD ASSEM.  
17. 1P-8372 [16] GASKET KIT  
18. 7B-2420 [48] FERRULE  
  6L-7814 [48] SEAL  
19. 7S-5787 [16] CHAMBER ASSEM.  
20. 6L-7816 [16] SEAL  
21. 2N-3598 [8] COVER  
22. 4H-9811 [16] ARM ASSEM. (Exhaust)  
23. 9F-8254 [1] SOCKET  
24. 3F-7445 [1] BUSHING  
25. 4L-3855 [16] ARM ASSEM. (Intake)  
26. 9F-8254 [1] SOCKET  
27. 3F-7445 [1] BUSHING  
  C   INDICATES CHANGE
 

#SEBP12910022
 

3N-2682: CYLINDER HEAD GP

3N2682 CYLINDER HEAD AND VALVE MECHANISM GROUP-PART 2 OF 2
SERIAL NO. 36Z1 TO 36Z565 INCLUSIVE
c179745 SEBP1291
3N2682 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your D399 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4H-0945 [8] FITTING  
  4H-2495 [1] NUT  
  4H-2494 [1] SLEEVE  
2. 2N-3597 [8] SEAL  
3. 4L-3803 [16] BRACKET  
4. 4L-8188 [16] STUD  
5. 1B-4205 [32] NUT  
6. 1F-3278 [8] FITTING  
  1F-1344 [1] NUT  
7. 4L-7892 [8] TUBE  
8. 6B-6682 [128] NUT  
  5H-1504 [128] WASHER  
9. 7L-0138 R [8] HEAD ASSEM.  
10. 8M-4014 [2] INSERT (exhaust)  
  4S-8906 H [2] INSERT (.005" oversize)  
  4S-8907 H [2] INSERT (.010" oversize)  
  5S-1757 [2] INSERT (intake)  
  4S-8908 H [2] INSERT (.005" oversize)  
  4S-8909 H [2] INSERT (.010" oversize)  
11. 5H-7071 [8] DIRECTOR  
12. 6N-8847 C [2] GUIDE (exhaust)  
  4N-3664 C [2] GUIDE (intake)  
13. 3B-0645 [8] PLUG  
14. 3N-1414 C [4] SPACER  
15. 3N-3220 [8] GASKET (copper)  
  6L-4497 [8] GASKET (plain)  
16. 7N-7639 C [32] ROTATOR  
17. 9M-5350 [32] SPRING (outer)  
  9M-5349 [32] SPRING (inner)  
18. 3B-1143 [96] LOCK  
19. 9F-7707 [32] RING  
20. 8F-8858 [32] BUTTON  
21. 3B-1142 [16] RETAINER (exhaust)  
22. 3H-5867 [16] RETAINER (intake)  
  8F-9206 [16] SEAL  
23. 6L-7813 [64] SEAL  
24. 6B-6224 [64] FERRULE  
25. 8F-4994 [16] SEAL  
26. 3F-9780 [16] WASHER  
27. 4L-8189 [16] STUD  
  5B-2383 [16] NUT  
28. 8N-3723 C [16] VALVE (exhaust)  
  7M-7817 [16] VALVE (intake)  
  H   NOT PART OF 7L138 ASSEM.
  R   REMFG PART MAY BE AVAILABLE
  C   INDICATES CHANGE
 

#SEBP12910023
 

3N-2682: CYLINDER HEAD GP

3N2682 CYLINDER HEAD AND VALVE MECHANISM GROUP-PART 1 OF 2
SERIAL NO. 36Z566 TO 36Z1341 INCLUSIVE
c233163 SEBP1291
3N2682 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your D399 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4H-6716 [48] WASHER  
  1B-9917 [16] SPRING (Short)  
  6F-5034 [8] SPRING (Long)  
2. 3B-4621 [16] COTTER PIN  
3. 0L-1351 [16] BOLT  
  3B-4506 [16] LOCKWASHER  
4. 6H-3217 [8] SHAFT ASSEM.  
5. 4F-4585 [2] PLUG  
6. 0S-1608 [2] BOLT  
7. 8M-8509 [1] LOCK  
8. 2N-3553 [9] SEAL  
9. 8S-9089 [32] BOLT  
  3F-4550 [16] LOCK  
10. 1B-4204 [32] NUT  
11. 1A-0744 [32] SCREW  
12. 2N-3227 [8] BRACKET  
13. 5L-5486 [32] LIFTER ASSEM.  
14. 3N-1598 [1] ELBOW ASSEM.  
15. 5M-4987 [2] DOWEL  
16. 4L-7820 [32] ROD ASSEM.  
17. 1P-8372 [16] GASKET KIT  
18. 7B-2420 [48] FERRULE  
  6L-7814 [48] SEAL  
19. 7S-5787 [16] CHAMBER ASSEM.  
20. 6L-7816 [16] SEAL  
21. 2N-3598 [8] COVER  
22. 4H-9811 [16] ARM ASSEM. (Exhaust)  
23. 9F-8254 [1] SOCKET  
24. 3F-7445 [1] BUSHING  
25. 4L-3855 [16] ARM ASSEM. (Intake)  
26. 9F-8254 [1] SOCKET  
27. 3F-7445 [1] BUSHING  
 

#SEBP12910024
 

3N-2682: CYLINDER HEAD GP

3N2682 CYLINDER HEAD AND VALVE MECHANISM GROUP-PART 2 OF 2
SERIAL NO. 36Z566 TO 36Z1341 INCLUSIVE
5N8320-PAGE 13D
c179761 SEBP1291
3N2682 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your D399 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4H-0945 [8] FITTING  
  4H-2495 [1] NUT  
  4H-2494 [1] SLEEVE  
2. 2N-3597 [8] SEAL  
3. 4L-3803 [16] BRACKET  
4. 4L-8188 [16] STUD  
5. 1B-4205 [32] NUT  
6. 1F-3278 [6] FITTING  
  1F-1344 [1] NUT  
7. 4L-7892 [8] TUBE  
8. 6B-6682 [128] NUT 28.58 mm(1.12 in.) O.D.  
    -OR-
  1D-4623 C [128] BOLT 215.9 mm(8.5 in.) long  
  5H-1504 [128] WASHER  
9. 5N-8320 CY [8] HEAD GROUP  
    (Separate Illustration)
10. 4L-8189 [16] STUD  
  5B-2383 [16] NUT  
11. 3F-9780 [16] WASHER  
12. 8F-4994 [16] SEAL  
13. 6B-6224 [64] FERRULE  
14. 6L-7813 [64] SEAL  
15. 3N-3220 [8] GASKET (copper)  
  6L-4497 [8] GASKET (plain)  
16. 8F-9206 [16] SEAL  
17. 8F-8858 [32] BUTTON  
18. 9F-7707 [32] RING  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#SEBP12910025
 

3N-2682: CYLINDER HEAD GP

3N2682 CYLINDER HEAD AND VALVE MECHANISM GROUP-PART 1 OF 2
SERIAL NO. 36Z1342-UP
c233163 SEBP1291
3N2682 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your D399 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4H-6716 [48] WASHER  
  1B-9917 [16] SPRING (Short)  
  6F-5034 [8] SPRING (Long)  
2. 3B-4621 [16] COTTER PIN  
3. 0L-1351 [16] BOLT  
  3B-4506 [16] LOCKWASHER  
4. 6H-3217 [8] SHAFT ASSEM.  
5. 4F-4585 [2] PLUG  
6. 0S-1608 [2] BOLT  
7. 8M-8509 [1] LOCK  
8. 2N-3553 [9] SEAL  
9. 8S-9089 [32] BOLT  
  3F-4550 [16] LOCK  
10. 1B-4204 [32] NUT  
11. 1A-0744 [32] SCREW  
12. 2N-3227 [8] BRACKET  
13. 5L-5486 [32] LIFTER ASSEM.  
14. 3N-1598 [1] ELBOW ASSEM.  
15. 5M-4987 [2] DOWEL  
16. 4L-7820 [32] ROD ASSEM.  
17. 1P-8372 [16] GASKET KIT  
18. 7B-2420 [48] FERRULE  
  6L-7814 [48] SEAL  
19. 7S-5787 [16] CHAMBER ASSEM.  
20. 6L-7816 [16] SEAL  
21. 2N-3598 [8] COVER  
22. 4H-9811 [16] ARM ASSEM. (Exhaust)  
23. 9F-8254 [1] SOCKET  
24. 3F-7445 [1] BUSHING  
25. 4L-3855 [16] ARM ASSEM. (Intake)  
26. 9F-8254 [1] SOCKET  
27. 3F-7445 [1] BUSHING  
 

#SEBP12910026
 

3N-2682: CYLINDER HEAD GP

3N2682 CYLINDER HEAD AND VALVE MECHANISM GROUP-PART 2 OF 2
SERIAL NO. 36Z1342-UP
5N8882-PAGE 13D.01
c310356 SEBP1291
3N2682 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your D399 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4H-0945 [8] ELBOW  
  4H-2495 [1] NUT  
  4H-2494 [1] SLEEVE-FITTING  
2. 2N-3597 [8] SEAL-VALVE COVER  
3. 4L-3803 [16] BRACKET-SHAFT  
4. 4L-8188 [16] STUD-TAPERLOCK  
5. 1B-4205 [32] NUT  
6. 1F-3278 [6] FITTING  
  1F-1344 [1] NUT  
7. 4L-7892 [8] TUBE-SHAFT OIL  
8. 1D-4623 [128] BOLT 215.9MM(8.5IN.)LONG  
  5H-1504 [128] WASHER-HARD  
9. 5N-8882 [8] CYLINDER HEAD GP  
10. 4L-8189 [16] STUD-TAPERLOCK  
  5B-2383 [16] NUT-SELF LOCKING  
11. 3F-9780 CY [16] WASHER-COVER  
12. 8F-4994 [16] SEAL-O-RING  
13. 6B-6224 [64] FERRULE  
14. 6L-7813 [64] SEAL-FERRULE  
15. 3N-3220 [8] GASKET (COPPER)  
  6L-4497 [8] GASKET (PLAIN)  
16. 8F-9206 [16] SEAL-O-RING  
17. 8F-8858 [32] BUTTON  
18. 9F-7707 [32] RING-RETAINER  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP12910027
 

5N-8320: CYLINDER HEAD GP

5N8320 CYLINDER HEAD GROUP
SERIAL NO. 36Z566 TO 36Z1341 INCLUSIVE
PART OF 3N2682 CYLINDER HEAD & VALVE MECHANISM
c310401 SEBP1291
5N8320 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your D399 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-1414 [4] SPACER  
2. 7N-7639 [4] ROTATOR-VALVE  
3. 2A-4429 FY [8] LOCK-RETAINER  
4. 2N-9297 [2] RETAINER-VALVE SPRING (EXHAUST)  
5. 9M-5350 [4] SPRING  
6. 9M-5349 [4] SPRING  
7. 5N-8319 C [1] CYLINDER HEAD AS  
8. 2N-9299 [2] GUIDE-VALVE (EXHAUST)  
  2N-9298 [2] GUIDE-VALVE (INTAKE)  
9. 8M-4014 R [2] INSERT-SEAT EXHAUST (EXHAUST)  
  5S-1757 [2] INSERT (INTAKE)  
10. 5H-7071 [8] DIRECTOR-WATER  
11. 3B-0645 [8] PLUG-CUP  
12. 1W-1822 [2] VALVE-EXHAUST (EXHAUST)  
  1W-8606 [2] VALVE-INLET (INTAKE)  
13. 1W-3062 [2] RETAINER AS (INTAKE)  
    (EACH INCLUDES)
  8N-7780 C [1] SHIELD-OIL  
  C   CHANGE FROM PREVIOUS TYPE
  F   NOT SHOWN
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP12910028
 

5N-8882: CYLINDER HEAD GP

5N8882 CYLINDER HEAD GROUP
SERIAL NO. 36Z1342-UP
PART OF 3N2682 CYLINDER HEAD
c238059 SEBP1291
5N8882 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your D399 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-1414 [4] SPACER  
2. 7N-7639 [4] ROTATOR-VALVE  
3. 2A-4429 [8] LOCK-RETAINER  
4. 2N-9297 [2] RETAINER-VALVE SPRING (EXHAUST)  
5. 9M-5350 [4] SPRING (OUTER)  
6. 9M-5349 [4] SPRING (INNER)  
7. 5N-8319 R [1] CYLINDER HEAD AS  
8. 2N-9299 [2] GUIDE-VALVE (EXHAUST)  
  2N-9298 [2] GUIDE-VALVE (INTAKE)  
9. 8M-4014 [2] INSERT-SEAT EXHAUST  
  5S-1757 [2] INSERT (INTAKE)  
10. 5H-7071 [8] DIRECTOR-WATER  
11. 3B-0645 [8] PLUG-CUP  
12. 1W-1822 [2] VALVE-EXHAUST  
  1W-8606 [2] VALVE-INLET (INTAKE)  
13. 1W-3062 [2] RETAINER AS (INTAKE)  
    (EACH INCLUDES)
  8N-7780 [1] SHIELD-OIL  
  R   REMFG PART MAY BE AVAILABLE
 

#SEBP12910029
 

3N-2684: DRIVE GP-FRONT ACCESSORY

3N2684 FRONT ACCESSORY DRIVE GROUP-PART 1 OF 2
SAE STANDARD ENGINE ROTATION
c229410 SEBP1291
3N2684 DRIVE GP-FRONT ACCESSORY Parts scheme
  For full view, you need register

Parts for your D399 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1A-2029 [4] BOLT  
2. 3B-4506 [30] LOCKWASHER  
3. 6L-2062 [1] HOUSING  
4. 4L-3748 [1] RETAINER ASSEM.  
    (Includes)
  5B-9318 [1] BALL  
  5L-2660 [1] BEARING  
  5H-6012 [1] SEAL  
5. 4L-3437 [5] GASKET  
6. 4L-3431 [1] COVER  
7. 4L-3375 [1] GASKET  
8. 1F-7603 [1] SCREW  
  5N-4687 C [1] GASKET 16 mm(.640 in.)I.D.  
9. 5N-4688 C [1] GASKET 13 mm(.520 in.)I.D.  
10. 3N-8584 [1] TUBE ASSEM.  
    (Includes)
  1F-7604 [1] FERRULE  
11. 8N-1365 C [1] GEAR (32 teeth)  
12. 1D-4574 [8] BOLT  
13. 3B-4508 [12] LOCKWASHER  
14. 8L-8570 [4] COVER  
15. 3B-1915 [8] BOLT (1.375 in.)long  
16. 0S-0509 [16] BOLT (.75 in.)long  
17. 5L-5840 [4] WASHER (seal)  
  5M-2894 [4] WASHER (steel)  
18. 1D-4572 [4] BOLT  
19. 0S-1588 [6] BOLT  
  1A-4784 [6] WASHER  
  C   INDICATES CHANGE
 

Information:

Engine News
Change Made To Installation Procedure For 3N5620 Service Disconnect Spacer Group
1982/09/22
Specifications
Front Accessory Drive
D379B, D398B, D399 GENERATOR SET ENGINES
Disassembly and Assembly
Accessory Drive Housing
D379B, D398B & D399 GENRERATOR SET ENGINES
Accessory Drive Gears
D379B, D398B & D399 GENRERATOR SET ENGINES

Caterpillar Parts SIS Catalog D399 :

DRIVE GP-AUXILIARY
3N-6722 DRIVE GP-AUXILIARY
DAMPER GP
3N-8643 DAMPER GP
CAMSHAFT GP
6L-8396 CAMSHAFT GP
DAMPER GP
4W-2561 DAMPER GP
CAMSHAFT GP
6L-8396 CAMSHAFT GP
DAMPER GP
3N-6356 DAMPER GP
VALVE AR
3N-6399 VALVE AR
PISTON & ROD GP
6L-2868 PISTON & ROD GP
CYLINDER HEAD GP
3N-2682 CYLINDER HEAD GP
CYLINDER HEAD GP
3N-2682 CYLINDER HEAD GP
CYLINDER HEAD GP
3N-2682 CYLINDER HEAD GP
CYLINDER HEAD GP
3N-2682 CYLINDER HEAD GP
CYLINDER HEAD GP
3N-2682 CYLINDER HEAD GP
CYLINDER HEAD GP
3N-2682 CYLINDER HEAD GP
CYLINDER HEAD GP
5N-8320 CYLINDER HEAD GP
CYLINDER HEAD GP
5N-8882 CYLINDER HEAD GP

Truck sale:

 
 
Caterpillar D399
- Industrial engines
WHEELER MACHINERY CO.
Caterpillar D399, Industriemaschinen, Bau-Und Bergbauausrüstung
130.000 
Caterpillar D399, Industriemaschinen, Bau-Und Bergbauausrüstung
- Industrial engines
LOUISIANA CAT POWER SYSTEMS
CAT D399
USD $12,000 
CAT D399

L&K Machinery
CAT D399
USD $8,995 
CAT D399

Surplus Heavy Equipment & Parts
Long Branch, New Jersey
 
 
CAT D399

Yoder & Frey Auctioneers
Ashland, Ohio
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