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8N5021 CONTROL GP-FUEL RATIO 2W3157-PAGE 85 773B TRUCK




FUEL SYSTEM

CONTROL GP-FUEL RATIO
 

#SEBP14670170
 

8N-5021: CONTROL GP-FUEL RATIO

8N5021 CONTROL GP-FUEL RATIO
2W3157-PAGE 85
c603663 SEBP1467
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Parts for your 773B TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2N-1287 [1] ELBOW-FLARED  
2. 4N-8112 [2] BOLT  
  8F-7242 [2] WASHER  
3. 6N-3169 CI [1] HOSE AS .61M(24IN)  
4. 3B-4505 [2] LOCKWASHER  
5. 2H-5547 C [1] BUSHING-REDUCER  
6. 2P-8643 [1] GASKET  
7. 2W-3157 YR [1] CONTROL GP-FUEL RATIO  
8. 124-0174 [1] CLIP  
  C   CHANGE FROM PREVIOUS TYPE
  I   SEE HOSE FABRICATION GUIDE
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP14670171
 

2W-3157: CONTROL GP-FUEL RATIO

2W3157 CONTROL GP-FUEL RATIO*R
ENGINE S/N 73W5163-12210
PART OF 8N5021 CONTROL-FUEL RATIO
c312636 SEBP1467
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Parts for your 773B TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-8939 [1] VALVE-INTERNAL  
2. 6V-2627 [3] BOLT-12 POINT HEAD  
  9S-5282 [3] WASHER-HARD  
3. 4J-2506 [1] SEAL-O-RING  
4. 6L-5766 [1] GASKET  
5. 2P-8226 [1] COVER-DIAPHRAGM  
6. 1W-4797 [1] DIAPHRAGM  
7. 2P-8875 [1] RETAINER AS  
8. 6N-0515 [1] SPRING (INNER)  
9. 7N-5715 [1] PIN  
10. 2P-8225 [1] HOUSING-DIAPHRAGM  
11. 2W-3156 [1] VALVE AS-LIMITER  
12. 7N-8512 [1] SEAL  
13. 1W-2567 [1] RETAINER-SPRING  
14. 7N-0209 [1] SPRING (OUTER)  
15. 2P-8803 [1] WASHER  
16. 4B-3388 [2] BOLT  
  8F-7242 [2] WASHER  
17. 6N-0513 [1] SPRING  
18. 6N-7148 [1] COVER  
 

#SEBP14670172
 

2W-3157: CONTROL GP-FUEL RATIO

2W3157 CONTROL GP-FUEL RATIO *R
ENGINE S/N 73W12911-UP
PART OF 8N5021 CONTROL-FUEL RATIO
c615233 SEBP1467
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Parts for your 773B TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2W-3156 [1] VALVE AS-LIMITER  
2. 2P-8225 [1] HOUSING-DIAPHRAGM  
3. 4P-1639 C [1] SEAL-CONTROL  
4. 4P-0246 C [1] VALVE  
5. 1W-2567 [1] RETAINER-SPRING  
6. 7N-0209 [1] SPRING (OUTER)  
7. 6N-0515 [1] SPRING (INNER)  
8. 110-2469 [1] EXTENSION  
9. 124-4668 [1] GASKET-FUEL RATIO CONTROL  
10. 125-8828 [1] COVER-FUEL RATIO CONTROL  
11. 9S-8748 [1] NUT-FULL  
12. 110-2468 [1] RETAINER  
13. 2P-8226 [1] COVER-DIAPHRAGM  
14. 6N-0513 [1] SPRING  
15. 2P-8803 [1] WASHER  
16. 1W-4797 [1] DIAPHRAGM  
17. 5B-7040 [3] BOLT  
18. 5P-0537 [3] WASHER (2MM THK)  
19. 4B-3388 [2] BOLT (5/16-18X1.125IN)  
20. 8T-4224 [2] WASHER-HARD  
21. 9N-1754 C [1] SPRING  
22. 3E-6760 [1] SEAL-O-RING  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP14670173
 

8N-4200: LINES GP-FUEL INJECTION

8N4200 LINES GP-FUEL INJECTION
ENGINE S/N 73W5163-6394
c541993 SEBP1467
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Parts for your 773B TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-2944 [4] PLUG  
2. 7N-0654 [24] BOLT AS  
3. 4L-1468 C [12] WASHER 1.5MM(.06IN.)THK  
4. 6N-4721 [2] BRACKET  
5. 7N-0661 [2] CLAMP  
6. 7N-0662 [4] DAMPER  
7. 7N-0669 [2] CLAMP  
8. 6N-0925 [2] CLAMP  
9. 7N-0813 [4] DAMPER  
10. 8S-3997 [1] CLAMP  
11. 7N-0663 [1] CLAMP  
12. 7N-0664 [2] DAMPER  
13. 8N-4207 [1] LINE AS-FUEL INJ (NO. 7)  
14. 8N-4209 [1] LINE AS-FUEL INJ (NO. 9)  
15. 8N-4205 [1] LINE AS-FUEL INJ (NO. 5)  
16. 8N-4201 [1] LINE AS-FUEL INJ (NO. 1)  
17. 6V-4314 C [1] SEAL-O-RING  
18. 1S-0004 [2] SEAL-O-RING  
19. 0S-1591 [4] BOLT  
  5M-2894 [4] WASHER  
  068-8438 [4] SPACER  
20. 8N-5111 [1] LINE AS-FUEL INJ (NO.11)  
21. 8N-4203 [1] LINE AS-FUEL INJ (NO. 3)  
22. 8N-4206 [1] LINE AS-FUEL INJ (NO. 6)  
23. 8N-4212 [1] LINE AS-FUEL INJ (NO.12)  
24. 8N-4202 [1] LINE AS-FUEL INJ (NO. 2)  
25. 8N-4210 [1] LINE AS-FUEL INJ (NO.10)  
26. 8N-4208 [1] LINE AS-FUEL INJ (NO. 8)  
27. 8N-4204 [1] LINE AS-FUEL INJ (NO. 4)  
28. 7N-0665 [1] CLAMP  
29. 6N-2751 [2] CLAMP  
30. 7N-0671 [4] DAMPER  
31. 7N-0814 [2] DAMPER  
32. 7N-0670 [1] BRACKET  
33. 7N-0666 [1] CLAMP 91.94MM(3.62IN.)LG  
  6N-4720 [1] CLAMP 63.50MM(2.50IN.)LG  
34. 1B-5354 [12] NUT-FULL  
  9M-1974 [12] WASHER-HARD  
35. 4N-1797 [12] ADAPTER AS  
    (EACH INCLUDES)
36. 8M-4437 [1] SEAL-O-RING  
37. 9N-3970 [12] LINE AS-FUEL INJ  
  1H-1023 [12] SEAL-O-RING  
38. 5P-6900 C [48] BOLT-12 POINT HEAD  
39. 2W-3390 C [12] BODY AS-FUEL INJ VALVE  
    (EACH INCLUDES)
40. 5P-2060 [1] SEAL-SECTION  
41. 4N-1292 [12] LOCK-ADAPTER  
42. 9L-6884 [12] NOZZLE AS-VALVE  
43. 9N-2481 [12] SPACER  
44. 4W-5717 C [24] CLAMP-FUEL NOZZLE  
45. 4W-5718 C [12] SLEEVE  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP14670174
 

2W-8065: LINES GP-FUEL INJECTION

2W8065 LINES GP-FUEL INJECTION
ENGINE S/N 73W6395-8031
4W7018-PAGE 86.08
c483078 SEBP1467
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Parts for your 773B TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-2944 [4] PLUG  
2. 7N-0654 [24] BOLT AS  
3. 5B-1484 [12] NUT  
4. 6N-4721 [2] BRACKET  
5. 7N-0661 [2] CLAMP  
6. 7N-0662 [4] DAMPER  
7. 7N-0669 [2] CLAMP  
8. 6N-0925 [2] CLAMP  
9. 7N-0813 [4] DAMPER  
10. 8S-3997 [1] CLAMP  
11. 7N-0663 [1] CLAMP  
12. 7N-0664 [2] DAMPER  
13. 4W-3207 [1] LINE AS-FUEL INJ (NO 7)  
14. 4W-3209 [1] LINE AS-FUEL INJ (NO 9)  
15. 4W-3205 [1] LINE AS-FUEL INJ (NO 5)  
16. 4W-3201 [1] LINE AS-FUEL INJ (NO 1)  
17. 6V-4314 [1] SEAL-O-RING  
18. 1S-0004 [2] SEAL-O-RING  
19. 0S-1591 [4] BOLT  
  5M-2894 [4] WASHER  
  068-8438 [4] SPACER  
20. 4W-3211 [1] LINE AS-FUEL INJ (NO 11)  
21. 4W-3203 [1] LINE AS-FUEL INJ (NO 3)  
22. 4W-3206 [1] LINE AS-FUEL INJ (NO 6)  
23. 4W-3212 [1] LINE AS-FUEL INJ (NO 12)  
24. 4W-3202 [1] LINE AS-FUEL INJ (NO 2)  
25. 4W-3210 [1] LINE AS-FUEL INJ (NO 10)  
26. 4W-3208 [1] LINE AS-FUEL INJ (NO 8)  
27. 4W-3204 [1] LINE AS-FUEL INJ (NO 4)  
28. 7N-0665 [1] CLAMP  
29. 6N-2751 [2] CLAMP  
30. 7N-0671 [4] DAMPER  
31. 7N-0814 [2] DAMPER  
32. 7N-0670 [1] BRACKET  
33. 7N-0666 [1] CLAMP 91.9MM LG  
  6N-4720 [1] CLAMP 63.5MM LG  
34. 5P-8119 [12] SEAL-O-RING  
35. 2W-8142 [12] LINE AS-FUEL INJ  
    (EACH INCLUDES)
  1H-1023 [1] SEAL-O-RING  
36. 7W-2315 [12] RETAINER  
37. 4W-7018 YR [12] NOZZLE AS-FUEL VALVE  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP14670175
 

2W-8065: LINES GP-FUEL INJECTION

2W8065 LINES GP-FUEL INJECTION
ENGINE S/N 73W8032-9042
4W7018-PAGE 86.08
c483083 SEBP1467
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Parts for your 773B TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-2944 [4] PLUG  
2. 7N-0654 [24] BOLT AS  
3. 5B-1484 [12] NUT  
4. 6N-4721 [2] BRACKET  
5. 7N-0661 [2] CLAMP  
6. 7N-0662 [4] DAMPER  
7. 7N-0669 [2] CLAMP  
8. 6N-0925 [2] CLAMP  
9. 7N-0813 [4] DAMPER  
10. 8S-3997 [1] CLAMP  
11. 7N-0663 [1] CLAMP  
12. 7N-0664 [2] DAMPER  
13. 4W-3207 [1] LINE AS-FUEL INJ (NO 7)  
14. 4W-3209 [1] LINE AS-FUEL INJ (NO 9)  
15. 4W-3205 [1] LINE AS-FUEL INJ (NO 5)  
16. 4W-3201 [1] LINE AS-FUEL INJ (NO 1)  
17. 6V-4314 [1] SEAL-O-RING  
18. 1S-0004 [2] SEAL-O-RING  
19. 0S-1591 [4] BOLT  
  5M-2894 [4] WASHER  
  068-8438 [4] SPACER  
20. 4W-3211 [1] LINE AS-FUEL INJ (NO 11)  
21. 4W-3203 [1] LINE AS-FUEL INJ (NO 3)  
22. 4W-3206 [1] LINE AS-FUEL INJ (NO 6)  
23. 4W-3212 [1] LINE AS-FUEL INJ (NO 12)  
24. 4W-3202 [1] LINE AS-FUEL INJ (NO 2)  
25. 4W-3210 [1] LINE AS-FUEL INJ (NO 10)  
26. 4W-3208 [1] LINE AS-FUEL INJ (NO 8)  
27. 4W-3204 [1] LINE AS-FUEL INJ (NO 4)  
28. 7N-0665 [1] CLAMP  
29. 6N-2751 [2] CLAMP  
30. 7N-0671 [4] DAMPER  
31. 7N-0814 [2] DAMPER  
32. 7N-0670 [1] BRACKET  
33. 7N-0666 [1] CLAMP 91.9MM LG  
  6N-4720 [1] CLAMP 63.5MM LG  
34. 5P-8119 [12] SEAL-O-RING  
35. 7C-5570 C [12] LINE AS-FUEL INJ  
36. 7W-2315 [12] RETAINER  
37. 4W-7018 YR [12] NOZZLE AS-FUEL VALVE  
  C   CHANGE FROM PREVIOUS TYPE
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP14670176
 

2W-8065: LINES GP-FUEL INJECTION

2W8065 LINES GP-FUEL INJECTION
ENGINE S/N 73W9043-11158
7C6299-PAGE 86.04, 7C6300-PAGE 86.05 & 4W7018-PAGE 86.08
c484067 SEBP1467
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Parts for your 773B TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7C-6299 CY [1] LINES GP-FUEL INJECTION  
2. 7C-6300 CY [1] LINES GP-FUEL INJECTION  
3. 1S-0004 [2] SEAL-O-RING  
4. 0S-1591 [4] BOLT  
  068-8438 [4] SPACER  
  5M-2894 [4] WASHER  
5. 5B-1484 [12] NUT  
6. 7C-5570 [12] LINE AS-FUEL INJ  
7. 4W-7018 RY [12] NOZZLE AS-FUEL VALVE  
8. 7W-2315 [12] RETAINER  
9. 5P-8119 [12] SEAL-O-RING  
10. 6V-4314 [1] SEAL-O-RING  
11. 6N-2944 [4] PLUG  
12. 5P-4939 C [1] SCREW AS-MACHINE  
13. 9Y-3359 C [1] CLAMP AS 80MM(3.15IN)LG  
14. 7C-6589 C [1] CLAMP-FUEL LINE 48MM(1.89IN)LG  
15. 7C-6590 C [1] CLAMP-FUEL LINE 41.5MM(1.63IN)LG  
16. 7C-6591 C [1] CLAMP-FUEL LINE 29MM(1.14IN)LG  
17. 9N-3388 C [4] SCREW-SELF LOCKING  
18. 9Y-3357 C [1] CLAMP 34MM(1.34IN)LG  
19. 9Y-3356 C [1] CLAMP 76MM(2.99IN)LG  
20. 7G-1239 [1] SPACER  
  C   CHANGE FROM PREVIOUS TYPE
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP14670177
 

7C-6299: LINES GP-FUEL INJECTION

7C6299 LINES GP-FUEL INJECTION
ENGINE S/N 73W9043-UP
PART OF 2W8065, 7E0530 LINES-FUEL INJECTION
c490634 SEBP1467
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Parts for your 773B TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7C-6311 [1] LINE AS-FUEL INJ  
2. 7C-6303 [1] LINE AS-FUEL INJ  
3. 7C-6307 [1] LINE AS-FUEL INJ  
4. 7C-6309 [1] LINE AS-FUEL INJ  
5. 7C-6305 [1] LINE AS-FUEL INJ  
6. 7C-6301 [1] LINE AS-FUEL INJ  
7. 1W-9168 [2] CLAMP (NON-THREADED)  
  1W-9169 [2] CLAMP (THEADED)  
8. 5P-4939 [9] SCREW AS-MACHINE  
9. 7C-6529 [1] CLAMP-FUEL LINE (NON-THREADED)  
  7C-6530 [1] CLAMP-FUEL LINE (THREADED)  
10. 7C-6525 [1] CLAMP-FUEL LINE (NON-THREADED)  
  7C-6589 [1] CLAMP-FUEL LINE (THREADED)  
  7C-6528 [1] BRACKET  
11. 7C-6591 [2] CLAMP-FUEL LINE (THREADED)  
  7C-7747 [2] CLAMP-FUEL LINE (NON-THREADED)  
12. 9L-9159 [1] SPACER (SOLID)  
  9Y-3379 [1] PLATE  
  9N-3388 [1] SCREW-SELF LOCKING  
13. 2W-7263 [1] CLAMP-FUEL LINE (THREADED)  
  2W-7264 [1] CLAMP-FUEL LINE (NON-THREADED)  
 

#SEBP14670178
 

7C-6300: LINES GP-FUEL INJECTION

7C6300 LINES GP-FUEL INJECTION
PART OF 2W8065, 7E0530 LINES-FUEL INJECTION
c458223 SEBP1467
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Parts for your 773B TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7C-6308 [1] LINE AS-FUEL INJ  
2. 7C-6310 [1] LINE AS-FUEL INJ  
3. 7C-6302 [1] LINE AS-FUEL INJ  
4. 7C-6304 [1] LINE AS-FUEL INJ  
5. 7C-6312 [1] LINE AS-FUEL INJ  
6. 7C-6306 [1] LINE AS-FUEL INJ  
7. 1W-9168 [1] CLAMP  
8. 1W-9169 [1] CLAMP (THREADED)  
9. 5P-4939 [7] SCREW AS-MACHINE  
10. 7C-6529 [1] CLAMP-FUEL LINE  
11. 7C-6530 [1] CLAMP-FUEL LINE (THREADED)  
12. 7C-6525 [1] CLAMP-FUEL LINE  
13. 7C-6589 [1] CLAMP-FUEL LINE (THREADED)  
14. 7C-6528 [1] BRACKET  
15. 9Y-3380 [1] BRACKET  
16. 9N-3388 [1] SCREW-SELF LOCKING  
17. 7C-6591 [1] CLAMP-FUEL LINE (THREADED)  
18. 7C-7747 [1] CLAMP-FUEL LINE  
19. 2W-7263 [1] CLAMP-FUEL LINE (THREADED)  
20. 2W-7264 [1] CLAMP-FUEL LINE  
 

#SEBP14670179
 

7E-0530: LINES GP-FUEL INJECTION

7E0530 LINES GP-FUEL INJECTION
ENGINE S/N 73W11159-11409
4W7018-PAGE 86.08, 7C6299-PAGE 86.04, 7C6300-PAGE 86.05
c490568 SEBP1467
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Parts for your 773B TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7C-6299 Y [1] LINES GP-FUEL INJECTION  
2. 7C-6300 Y [1] LINES GP-FUEL INJECTION  
3. 1S-0004 [2] SEAL-O-RING  
4. 0S-1591 [4] BOLT  
  068-8438 [4] SPACER  
5. 5B-1484 [12] NUT  
6. 7C-5570 [12] LINE AS-FUEL INJ  
7. 4W-7018 RY [12] NOZZLE AS-FUEL VALVE  
8. 7W-2315 [12] RETAINER  
9. 5P-8119 [12] SEAL-O-RING  
10. 6V-4314 [1] SEAL-O-RING  
11. 6N-2944 [4] PLUG  
12. 5P-4939 [1] SCREW AS-MACHINE  
13. 9Y-3359 [1] CLAMP AS  
14. 7C-6589 [1] CLAMP-FUEL LINE  
15. 7C-6590 [1] CLAMP-FUEL LINE  
16. 7C-6591 [3] CLAMP-FUEL LINE  
17. 9N-3388 [12] SCREW-SELF LOCKING  
18. 9Y-3357 [1] CLAMP  
19. 9Y-3356 [1] CLAMP  
20. 9Y-3360 [1] BRACKET  
21. 9Y-3361 [1] BRACKET AS  
22. 2A-4639 [2] BOLT  
23. 7C-6529 [2] CLAMP-FUEL LINE  
  7C-6530 [2] CLAMP-FUEL LINE  
24. 7C-7747 [2] CLAMP-FUEL LINE  
25. 1C-2251 [3] BOLT  
26. 9Y-3358 [2] SPACER  
27. 7G-1239 [1] SPACER  
28. 5M-2894 [7] WASHER  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

Information:

Special Instruction
"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}
"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}
Installation of 8W6908 Air Ratio Control Valve{4265}
Installation of 8W6908 Air Ratio Control Valve{4265}
Technical Information Bulletin
Air Fuel Ratio Control (AFRC) Adjustment To Help Reduce Excessive Black Smoke During Acceleration
Air Fuel Ratio Control (AFRC) Adjustment To Help Reduce Excessive Black Smoke During Acceleration
Specifications
Fuel Ratio Control
3412 ENGINE FOR CATERPILLAR BUILT MACHINES
Disassembly and Assembly
Fuel Ratio Control
3412 VEHICULAR ENGINE FOR 772B TRACTOR & 773B TRUCK DISASSEM
Service Magazine

Caterpillar Parts SIS Catalog 773B :

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