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4N7628 GOVERNOR CONVERSION GROUP--Type 2 3 PERCENT REGULATION AT 1800 R.P.M. Serial No. 62B10704-Up. FOR ELECTRIC SET INCLUDING PRIME AND STANDBY RATING AT 60 HERTZ AN ATTACHMENT D343




FUEL SYSTEM

GOVERNOR GP
 

#UEG0873S0320
 

4N-7628: GOVERNOR CONVERSION GROUP

4N7628 GOVERNOR CONVERSION GROUP--Type 2
3 PERCENT REGULATION AT 1800 R.P.M. Serial No. 62B10704-Up. FOR
ELECTRIC SET INCLUDING PRIME AND STANDBY RATING AT 60 HERTZ
AN ATTACHMENT
c147237 UEG0873S
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Parts for your D343 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8L-4156 [1] GASKET  
2. 4N-7626 [1] HOUSING ASSEM.  
3. 4N-4063 [1] LEVER ASSEM.  
  9S-4466 [1] LEVER ASSEM.  
4. 5H-1351 [1] PIN  
5. 4L-9971 [1] SPRING  
  9M-9788 [1] PLUNGER  
6. 4N-4879 [1] PLUG  
7. 4N-4881 [1] PLUG  
8. 8L-8883 [1] SHAFT  
9. 9S-4671 [1] SEAL  
10. 9S-0798 [1] BEARING  
11. 9S-5393 [1] PLUG  
12. 2P-8763 [1] GASKET  
13. 1S-9312 [1] SPRING  
14. 9M-1216 [1] PLUNGER  
15. 9S-4468 [1] BOLT  
  2F-4159 [1] LOCK  
16. 9S-4673 [1] BAND ASSEM.  
17. 4F-4585 [1] PLUG  
18. 8S-0134 [1] BEARING  
19. 3P-0150 [2] GASKET  
20. 3N-2425 [1] PLATE  
21. 3S-4346 C [4] BOLT  
22. 3B-4505 [6] LOCKWASHER  
23. 4F-7382 [1] RING  
24. 2N-1474 [1] SEAT  
25. 2H-3429 [1] RING  
26. 2N-1441 [1] GUIDE  
27. 8L-8501 [1] DOWEL  
28. 6H-9691 [1] RING  
29. 1D-4538 [1] BOLT  
30. 2N-1440 [1] SPACER  
31. 8L-8500 [1] BEARING  
32. 6L-4784 C [1] BOLT  
33. 8L-8502 [1] COLLAR  
34. 2N-1475 [1] SEAT  
35. 3N-2443 [1] BOLT  
36. 3N-1315 [1] SPRING  
37. 3N-1252 [1] SLEEVE  
38. 1N-7543 [1] BOLT  
39. 3N-1263 [1] SLEEVE  
40. 3N-1418 [1] SPRING  
41. 5H-9706 C [2] BOLT  
  2A-3278 [2] GASKET  
42. 4N-7636 C [1] COVER  
43. 2P-8643 C [1] GASKET  
44. 4N-8015 C [1] SPRING  
45. 2H-3504 C [1] LOCK  
  C   INDICATES CHANGE
 

#UEG0873S0321
 

6N-8592: GOVERNOR AND FUEL INJECTION PUMP GROUP

6N8592 GOVERNOR AND FUEL INJECTION PUMP GROUP
3 PERCENT REGULATION AT 1800 R.P.M. Serial No. 62B10704-Up. 6N8590
Governor and 6N8591 Pump parts are shown on Pages 205C, 205D and 222A
c159438 UEG0873S
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Parts for your D343 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-8591 Y [1] PUMP GROUP  
    (Separate Illustration)
2. 1D-4538 [1] BOLT  
3. 3B-4505 [6] LOCKWASHER  
4. 3N-2425 [1] PLATE  
5. 3P-0150 [2] GASKET  
6. 6L-4784 [1] BOLT  
7. 3N-1418 [1] SPRING  
8. 3N-1315 [1] SPRING  
9. 2J-0157 [1] SEAL  
10. 3S-1542 [1] SCREW (low idle)  
11. 6N-8590 Y [1] GOVERNOR GROUP  
    (Separate Illustration)
12. 3S-4346 [4] BOLT  
  Y   SEPARATE ILLUSTRATION
 

#UEG0873S0322
 

6N-8593: GOVERNOR & PUMP GP

6N8593 GOVERNOR AND FUEL INJECTION PUMP GROUP
3 PERCENT REGULATION AT 1500 R.P.M. Serial No. 62B10704-Up. 6N8590
Governor and 6N8591 Pump parts are shown on Pages 205C, 205D and 222A
c159439 UEG0873S
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Parts for your D343 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-8591 Y [1] PUMP GROUP  
    (Separate Illustration)
2. 1D-4538 [1] BOLT  
3. 3B-4505 [6] LOCKWASHER  
4. 3N-2425 [1] PLATE  
5. 3P-0150 [2] GASKET  
6. 6L-4784 [1] BOLT  
7. 4N-4345 [1] SPRING  
8. 3N-1312 [1] SPRING  
9. 2J-0157 [1] SEAL  
10. 7L-5263 [1] SCREW (low idle)  
11. 6N-8590 Y [1] GOVERNOR GROUP  
    (Separate Illustration)
12. 3S-4346 [4] BOLT  
  Y   SEPARATE ILLUSTRATION
 

#UEG0873S0323
 

8L-8880: FUEL PUMP HOUSING AND GOVERNOR GROUP

8L8880 FUEL PUMP HOUSING AND GOVERNOR GROUP
Serial No. 62B6728 to 62B10693 inclusive. 8L8879 Governor and 8S5174 Fuel
Pump Housing parts are shown on Pages 200, 201, 220 and 221
Only separate parts serviced
c107146 UEG0873S
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Parts for your D343 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8S-5174 Y [1] PUMP GROUP  
    (See Separate Illustration)
2. 1B-2790 [1] BOLT  
3. 3B-4505 [6] LOCKWASHER  
4. 8S-5067 [1] GASKET  
5. 0S-1618 [1] BOLT  
6. 8L-8879 Y [1] GOVERNOR GROUP  
    (See Separate Illustration)
7. 2N-0828 [1] WASHER  
8. 8M-9140 [1] SPRING  
9. 1B-9575 [4] BOLT  
  Y   SEPARATE ILLUSTRATION
 

#UEG0873S0324
 

8L-8880: FUEL PUMP HOUSING AND GOVERNOR GROUP

8L8880 FUEL PUMP HOUSING AND GOVERNOR GROUP
Serial No. 62B10694-Up. 4N3361 Governor and 8S5174 Fuel Pump Housing
parts are shown on Pages 202 through 205 and 221. Only separate parts serviced
c145086 UEG0873S
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Parts for your D343 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8S-5174 Y [1] PUMP GROUP  
    (Separate Illustration)
2. 1B-2790 [1] BOLT  
3. 3B-4505 [6] LOCKWASHER  
4. 3P-0150 C [1] GASKET  
5. 0S-1618 [1] BOLT  
6. 4N-3361 YC [1] GOVERNOR GROUP  
    (Separate Illustration)
7. 2N-0828 [1] WASHER  
8. 8M-9140 [1] SPRING  
9. 1B-9575 [4] BOLT  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0873S0325
 

8S-5174: FUEL PUMP HOUSING GROUP

8S5174 FUEL PUMP HOUSING GROUP
Serial No. 62B6728 to 62B9998 inclusive. Part of 8L8880
Fuel Pump Housing and Governor Group shown on Page 219
c110839 UEG0873S
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Parts for your D343 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8F-0394 [1] SPRING  
2. 1S-9480 [1] PIN  
3. 1B-2790 [1] BOLT  
  3B-4505 [1] LOCKWASHER  
  4B-4277 [1] WASHER  
4. 1S-9481 [1] COVER  
  1S-9546 [1] GASKET  
5. 8S-3656 [6] PLUNGER AND BARREL ASSEM.  
6. 1M-1077 [6] SEAL  
7. 1S-8634 [6] SPRING  
8. 2S-1631 [6] CHECK VALVE  
9. 8S-3653 [6] BONNET  
10. 8H-9204 [6] WASHER  
11. 2M-4314 [6] BUSHING  
12. 1M-3506 [6] RING  
13. 5M-2697 [6] SPACER (.170" Thick)  
  2M-4208 [6] SPACER (.174" Thick)  
  2M-4209 [6] SPACER (.178" Thick)  
  2M-4210 [6] SPACER (.182" Thick)  
  2M-4211 [6] SPACER (.186" Thick)  
  2M-4212 [6] SPACER (.190" Thick)  
  5M-2691 [6] SPACER (.194" Thick)  
  5S-7189 [6] SPACER (.198" Thick)  
14. 1S-7592 [6] SPRING  
15. 8S-3652 [6] WASHER  
16. 3S-9736 [6] LIFTER ASSEM.  
17. 8S-4992 [1] RACK  
18. 2S-7461 [1] PLATE  
19. 0L-0472 [1] BOLT  
  2H-3504 [1] LOCK  
20. 1P-7959 [1] GEAR ASSEM. (72 Teeth)  
21. 2H-2255 [1] DOWEL  
    (Part of 1P7959 Assem.)
22. 5S-6193 [1] SPRING  
23. 8S-4775 [1] CAMSHAFT ASSEM.  
24. 2H-2255 [1] DOWEL  
    (Part of 8S4775 Assem.)
25. 8S-5016 [1] HOUSING ASSEM.  
26. 1S-7103 [1] BEARING  
27. 4M-1474 [3] PIN  
28. 0T-0200 [1] PLUG  
29. 9S-4160 [1] BEARING  
30. 9S-4197 [1] BUSHING  
31. 8M-3019 [6] DOWEL  
32. 8M-3020 [6] DOWEL  
33. 4F-6024 [2] DOWEL  
34. 1S-1953 [1] BEARING  
35. 1S-7101 [2] BEARING  
36. 5M-6214 [1] PLUG  
    (Parts of 8S5016 Assem.)
 

#UEG0873S0326
 

8S-5174: FUEL PUMP HOUSING GROUP

8S5174 FUEL PUMP HOUSING GROUP--Type 1
Serial No. 62B9999-Up
Part of 8L8880 Fuel Pump Housing and Governor Group shown on Page 219
c141716 UEG0873S
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Parts for your D343 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8F-0394 [1] SPRING  
2. 1S-9480 [1] PIN  
3. 1B-2790 [1] BOLT  
  3B-4505 [1] LOCKWASHER  
  4B-4277 [1] WASHER  
4. 1S-9481 [1] COVER  
  1S-9546 [1] GASKET  
5. 8S-3656 [6] PLUNGER AND BARREL ASSEM.  
6. 1M-1077 [6] SEAL  
7. 1S-8634 [6] SPRING  
8. 2S-1631 [6] CHECK VALVE  
9. 8S-3653 [6] BONNET  
10. 8H-9204 [6] WASHER  
11. 2M-4314 [6] BUSHING  
12. 1M-3506 [6] RING  
13. 5M-2697 [6] SPACER (.170" Thick)  
  2M-4208 [6] SPACER (.174" Thick)  
  2M-4209 [6] SPACER (.178" Thick)  
  2M-4210 [6] SPACER (.182" Thick)  
  2M-4211 [6] SPACER (.186" Thick)  
  2M-4212 [6] SPACER (.190" Thick)  
  5M-2691 [6] SPACER (.194" Thick)  
  5S-7189 [6] SPACER (.198" Thick)  
14. 1S-7592 [6] SPRING  
15. 8S-3652 [6] WASHER  
16. 3S-9736 [6] LIFTER ASSEM.  
17. 2P-8617 C [1] RACK  
18. 2S-7461 [1] PLATE  
19. 0L-0472 [1] BOLT  
  2H-3504 [1] LOCK  
20. 1P-7959 [1] GEAR ASSEM. (72 Teeth)  
21. 2H-2255 [1] DOWEL  
22. 3N-2070 C [1] SPRING  
23. 8S-4775 [1] CAMSHAFT ASSEM.  
24. 2H-2255 [1] DOWEL  
25. 8S-5016 [1] HOUSING ASSEM.  
26. 1S-7103 [1] BEARING  
27. 4M-1474 [3] PIN  
28. 0T-0200 [1] PLUG  
29. 9S-4160 [1] BEARING  
30. 9S-4197 [1] BUSHING  
31. 1P-0234 C [6] DOWEL  
  1P-0232 [6] BALL  
32. 1P-0233 C [6] DOWEL  
  1P-0231 [6] BALL  
33. 4F-6024 [2] DOWEL  
34. 1S-1953 [1] BEARING  
35. 1S-7101 [2] BEARING  
36. 5M-6214 [1] PLUG  
  C   INDICATES CHANGE
 

#UEG0873S0327
 

8S-5174: FUEL PUMP HOUSING GROUP

8S5174 FUEL PUMP HOUSING GROUP--Type 2
Serial No. 62B9999-Up
Part of 8L8880 Fuel Pump Housing and Governor Group shown on Page 219
c207087 UEG0873S
  For full view, you need register

Parts for your D343 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8F-0394 [1] SPRING  
2. 1S-9480 [1] PIN  
3. 1B-2790 [1] BOLT  
  3B-4505 [1] LOCKWASHER  
  4B-4277 [1] WASHER  
4. 1S-9481 [1] COVER  
  1S-9546 [1] GASKET  
5. 8S-3656 [6] PLUNGER AND BARREL ASSEM.  
6. 1M-1077 [6] SEAL  
7. 1S-8634 [6] SPRING  
8. 2S-1631 [6] CHECK VALVE  
9. 8S-3653 [6] BONNET  
10. 8H-9204 [6] WASHER  
11. 2M-4314 [6] BUSHING  
12. 1M-3506 [6] RING  
13. 5M-2697 [6] SPACER (.170" Thick)  
  2M-4208 [6] SPACER (.174" Thick)  
  2M-4209 [6] SPACER (.178" Thick)  
  2M-4210 [6] SPACER (.182" Thick)  
  2M-4211 [6] SPACER (.186" Thick)  
  2M-4212 [6] SPACER (.190" Thick)  
  5M-2691 [6] SPACER (.194" Thick)  
  5S-7189 [6] SPACER (.198" Thick)  
14. 1S-7592 [6] SPRING  
15. 8S-3652 [6] WASHER  
16. 3S-9736 [6] LIFTER ASSEM.  
17. 2P-8617 [1] RACK  
18. 2S-7461 [1] PLATE  
19. 0L-0472 [1] BOLT  
  2H-3504 [1] LOCK  
20. 1P-7959 [1] GEAR ASSEM. (72 Teeth)  
21. 2H-2255 [1] DOWEL  
22. 3N-2070 [1] SPRING  
23. 8S-4775 [1] CAMSHAFT ASSEM.  
24. 2H-2255 [1] DOWEL  
25. 8S-5016 [1] HOUSING ASSEM.  
26. 1S-7103 [1] BEARING  
27. 4M-1474 [3] PIN  
28. 0T-0200 [1] PLUG  
29. 9S-4160 [1] BEARING  
30. 9S-4197 [1] BUSHING  
31. 1P-0234 [6] DOWEL  
  1P-0232 [6] BALL  
32. 4F-6024 [2] DOWEL  
33. 1S-1953 [1] BEARING  
34. 1S-7101 [2] BEARING  
35. 5M-6214 [1] PLUG  
 

#UEG0873S0328
 

6N-8591: FUEL INJECTION PUMP GROUP

6N8591 FUEL INJECTION PUMP GROUP
Serial No. 62B10704-Up. Part of 6N8592 and 6N8593 Governor and
Fuel Injection Pump Groups shown on Page 218A
c159440 UEG0873S
  For full view, you need register

Parts for your D343 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8F-0394 [1] SPRING  
2. 1S-9480 [1] PIN  
3. 1B-2790 [1] BOLT  
  3B-4505 [1] LOCKWASHER  
  4B-4277 [1] WASHER  
4. 1S-9481 [1] COVER  
  1S-9546 [1] GASKET  
5. 8S-3656 [6] PLUNGER AND BARREL ASSEM.  
6. 1M-1077 [6] SEAL  
7. 1S-8634 [6] SPRING  
8. 2S-1631 [6] CHECK VALVE  
9. 8S-3653 [6] BONNET  
10. 8H-9204 [6] WASHER  
11. 2M-4314 [6] BUSHING  
12. 1M-3506 [6] RING  
13. 5M-2697 [6] SPACER .431 cm(.170 in.) thick  
  2M-4208 [6] SPACER .442 cm(.174 in.) thick  
  2M-4209 [6] SPACER .452 cm(.178 in.) thick  
  2M-4210 [6] SPACER .462 cm(.182 in.) thick  
  2M-4211 [6] SPACER .472 cm(.186 in.) thick  
  2M-4212 [6] SPACER .483 cm(.190 in.) thick  
  5M-2691 [6] SPACER .493 cm(.194 in.) thick  
  5S-7189 [6] SPACER .503 cm(.198 in.) thick  
14. 1S-7592 [6] SPRING  
15. 8S-3652 [6] WASHER  
16. 3S-9736 [6] LIFTER ASSEM.  
17. 2P-8617 [1] RACK  
18. 2S-7461 [1] PLATE  
19. 0L-0472 [1] BOLT  
  2H-3504 [1] LOCK  
20. 1P-7959 [1] GEAR ASSEM. (72 Teeth)  
21. 2H-2255 [1] DOWEL  
22. 4N-8015 [1] SPRING  
23. 8S-4775 [1] CAMSHAFT ASSEM.  
24. 2H-2255 [1] DOWEL  
25. 8S-5016 [1] HOUSING ASSEM.  
26. 1S-7103 [1] BEARING  
27. 4M-1474 [3] PIN  
28. 0T-0200 [1] PLUG  
29. 9S-4160 [1] BEARING  
30. 9S-4197 [1] BUSHING  
31. 1P-0234 [6] DOWEL  
  1P-0232 [6] BALL  
32. 4F-6024 [2] DOWEL  
33. 1S-1953 [1] BEARING  
34. 1S-7101 [2] BEARING  
35. 5M-6214 [1] PLUG  
 

#UEG0873S0329
 

1N-9109: BASE AND FUEL TANK GROUP

1N9109 BASE AND FUEL TANK GROUP--Type 1
8S7608 Filter parts are shown on Page 230
AN ATTACHMENT
c107385 UEG0873S
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Parts for your D343 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1L-1699 [4] FITTING  
  7L-4101 [2] HOSE  
  4B-6067 [1] ELBOW  
  Y [1] FILTER GROUP  
    (SEE SEPARATE ILLUSTRATION)
  2L-3331 [2] UNION  
  7F-6289 [2] ELBOW  
  5B-1309 [2] COUPLING  
    (PART OF BASE AND FUEL TANK ASSEM. 6L9030)
  9B-4202 [1] COCK  
  3B-7270 [1] NIPPLE  
  5B-9385 [4] BOLT  
  1B-4209 [4] NUT  
  3B-4516 [4] LOCKWASHER  
  4B-4285 [4] WASHER  
  6L-9030 [1] BASE AND FUEL TANK ASSEM.  
  3B-0342 [1] PLUG  
    (PART OF BASE AND FUEL TANK ASSEM. 6L9030)
  4B-5441 [1] CAP ASSEM.  
  4B-5949 [2] ELEMENT  
  7B-2002 [1] WASHER  
  3H-8389 [1] BOLT  
  4B-5423 [1] GASKET  
  3F-4134 [1] BAFFLE  
  2A-1763 [1] GASKET  
    (PARTS OF CAP ASSEM. 4B5441)
  6L-8860 [1] PLUNGER  
  0T-0856 [4] BOLT (2.50" LONG)  
  1B-4207 [4] NUT  
  3B-4512 [4] LOCKWASHER  
  4B-4283 [4] WASHER  
  Y   SEPARATE ILLUSTRATION
 

Information:

Engine News
Special Instruction
Using The 6V4060 Engine Set Point Indicator Group{0781}
Using The 6V4060 Engine Set Point Indicator Group{0781}
"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}
Governor Linkage Adjustments{1264, 1289}
Governor Linkage Adjustments{1264, 1289}
Use Of 6V22 Tool Group For Replacement Of Governor Spring Guide{620, 624, 1264}
Use Of 6V22 Tool Group For Replacement Of Governor Spring Guide{620, 624, 1264}
Installation Of Governor Spring Guide{1264}
Installation Of Governor Spring Guide{1264}
Service Magazine

Caterpillar Parts SIS Catalog D343 :

Truck sale:

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USD $9,850 
CAT D343

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Parker, Colorado 80138
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CAT D343

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