7N4014 AIR COMPRESSOR GROUP S/N 70V4434-UP PART OF 7N6294 AIR COMPRESSOR 621B WHEEL TRACTOR



BASIC ENGINE
AIR COMPRESSOR GP
AIR INLET AND EXHAUST SYSTEM
AFTERCOOLER GP

WHEEL TRACTOR 621B WHEEL TRACTOR 35V
 3406 ENGINE 35V00001-UP (MACHINE) ZEBP0576 621B 35V   (1974)

BASIC ENGINE

AIR COMPRESSOR GP
AIR COMPRESSOR GROUP
4N-1563 AIR COMPRESSOR GROUP
AIR COMPRESSOR GP
4N-6954 AIR COMPRESSOR GP
AIR COMPRESSOR GP
7N-4014 AIR COMPRESSOR GP
AIR COMPRESSOR LINES GROUP
4N-9610 AIR COMPRESSOR LINES GROUP
AIR COMPRESSOR LINES GROUP
4N-9610 AIR COMPRESSOR LINES GROUP
AIR COMPRESSOR LINES GROUP
4N-2285 AIR COMPRESSOR LINES GROUP
 

#ZEBP05760160
 

7N-4014: AIR COMPRESSOR GP

7N4014 AIR COMPRESSOR GROUP
S/N 70V4434-UP
PART OF 7N6294 AIR COMPRESSOR
c413102 ZEBP0576
7N4014 AIR COMPRESSOR GP Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

Pos. Part No Qty Parts name Comments
1. 7N-7448 [1] GASKET-AIR COMPRESSOR  
2. 7N-7447 [1] HEAD AS-COMPRESSOR  
3. 0S-1619 [5] BOLT  
4. 7N-7449 [1] ADAPTER  
  1S-7107 [1] GASKET  
5. 0L-1352 [1] BOLT  
  5M-2894 [1] WASHER  
6. 2B-2695 [4] BOLT  
7. 3B-4505 [10] LOCKWASHER  
8. 7N-7450 [1] COVER-UNLOADER  
  7N-7451 [1] GASKET-UNLOADER  
9. 0S-1615 [2] BOLT  
  3B-4504 [2] LOCKWASHER  
10. 2B-0858 [1] PLUG-PIPE  
11. 7N-9707 [1] COVER-AIR COMPRESSOR  
  7N-7442 [1] GASKET-AIR COMPRESSOR  
12. 9M-0397 C [1] ADAPTER-INLET  
13. 034-4160 [4] BOLT-SELF LOCKING  
14. 7N-7444 [2] ROD AS-AIR COMPRESSOR  
15. 0S-1617 [6] BOLT  
16. 7N-9706 [1] PLATE-COVER  
  7N-7440 [1] GASKET-AIR COMPRESSOR  
17. 8H-9789 [2] BALL BEARING  
  4W-9489 C [1] LOCKRING  
18. 7N-9708 [1] CRANKSHAFT-COMPRESSOR  
19. 7N-9709 [1] CRANKCASE-COMPRESSOR  
20. 1A-2029 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
21. 4B-4845 [2] PLUG  
22. 7N-7445 [1] CYLINDER BLOCK  
  7N-7446 [1] GASKET-AIR COMPRESSOR  
23. 7N-7443 [2] PISTON AS-COMPRESSOR  
    THE FOLLOWING REPAIR
    KITS ARE AVAILABLE:
  7N-7435 [1] KIT-AIR COMPRESSOR  
    (INCLUDES STOPS, SEATS,
    SPRINGS, GASKETS, COVER,
    SNAP RINGS & VALVES)
  7N-7436 [1] KIT-PISTON RINGS  
    (INCLUDES OIL RINGS,
    COMPRESSION RINGS &
    OIL EXPANDER RINGS)
  C   CHANGE FROM PREVIOUS TYPE
 

#ZEBP05760161
 

4N-9610: AIR COMPRESSOR LINES GROUP

4N9610 AIR COMPRESSOR LINES GROUP
S/N 70V1-724
c201444 ZEBP0576
4N9610 AIR COMPRESSOR LINES GROUP Parts scheme
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Parts for your 621B WHEEL TRACTOR:

Pos. Part No Qty Parts name Comments
1. 032-1269 [2] ELBOW  
2. 4N-4937 [1] HOSE ASSEM. (31.25 in. long)  
3. 7L-7262 [2] ELBOW  
4. 4N-4936 [1] HOSE ASSEM. (19 in. long)  
5. 4N-1875 [1] HOSE ASSEM. (9.38 in. long)  
6. 2N-3378 [1] ELBOW  
7. 001-7043 [2] ELBOW  
8. 0S-1618 [2] BOLT  
  3B-4505 [2] LOCKWASHER  
9. 9M-0397 [1] ADAPTER  
  9M-0385 [1] PLATE  
  6L-1884 [2] GASKET  
10. 6D-4246 [1] CLIP  
11. 4N-4935 [1] HOSE ASSEM. (15.75 in. long)  
12. 2B-0858 C [1] PLUG  
13. 1Y-0413 [1] TEE  
14. 3B-7744 C [1] NIPPLE  
  C   INDICATES CHANGE
 

#ZEBP05760162
 

4N-9610: AIR COMPRESSOR LINES GROUP

4N9610 AIR COMPRESSOR LINES GROUP
S/N 70V725,726-1493
c150767 ZEBP0576
4N9610 AIR COMPRESSOR LINES GROUP Parts scheme
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Parts for your 621B WHEEL TRACTOR:

Pos. Part No Qty Parts name Comments
1. 032-1269 [2] ELBOW  
2. 4N-4937 [1] HOSE ASSEM. (31.25 in. long)  
3. 7L-7262 [2] ELBOW  
4. 4N-4936 [1] HOSE ASSEM. (19 in. long)  
5. 4N-1875 [1] HOSE ASSEM. (9.38 in. long)  
6. 005-4173 C [1] ELBOW  
7. 001-7043 [2] ELBOW  
8. 0S-1617 C [2] BOLT  
9. 9M-0397 [1] ADAPTER  
  9M-0385 [1] PLATE  
  6L-1884 [2] GASKET  
10. 2M-9780 C [1] SEAL  
11. 4N-4935 [1] HOSE ASSEM. (15.75 in. long)  
12. 2B-0858 [1] PLUG  
13. 1Y-0413 [1] TEE  
14. 3B-7744 [1] NIPPLE  
  C   INDICATES CHANGE
 

#ZEBP05760163
 

4N-2285: AIR COMPRESSOR LINES GROUP

4N2285 AIR COMPRESSOR LINES GROUP
S/N 70V1494-1631
c201813 ZEBP0576
4N2285 AIR COMPRESSOR LINES GROUP Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

Pos. Part No Qty Parts name Comments
1. 032-1269 [2] ELBOW  
2. 4N-4937 [1] HOSE ASSEM. (31.25 in. long)  
3. 7L-7262 C [1] ELBOW  
4. 4N-4936 [1] HOSE ASSEM. (19 in. long)  
5. 4N-1875 [1] HOSE ASSEM. (9.38 in. long)  
6. 2N-3378 [1] ELBOW  
7. 001-7043 [2] ELBOW  
8. 0S-1618 [2] BOLT  
  3B-4505 [2] LOCKWASHER  
9. 9M-0397 [1] ADAPTER  
  9M-0385 [1] PLATE  
  6L-1884 [2] GASKET  
10. 7K-1181 C [1] STRAP  
11. 4N-4935 [1] HOSE ASSEM. (15.75 in. long)  
12. 3L-1850 C [1] PLUG  
13. 1Y-0413 [1] TEE  
14. 3B-7744 C [1] NIPPLE  
15. 8M-0755 C [1] CONNECTOR  
  C   INDICATES CHANGE
 

#ZEBP05760164
 

4N-2285: AIR COMPRESSOR LINES GROUP

4N2285 AIR COMPRESSOR LINES GROUP
S/N 70V1632-2763
c161502 ZEBP0576
4N2285 AIR COMPRESSOR LINES GROUP Parts scheme
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Parts for your 621B WHEEL TRACTOR:

Pos. Part No Qty Parts name Comments
1. 032-1269 [2] ELBOW  
2. 4N-4937 [1] HOSE ASSEM. 79.40 cm(31.25 in.)  
3. 7L-7262 [1] ELBOW  
4. 4N-4936 [1] HOSE ASSEM. 48.30 cm(19 in.)  
5. 4N-1875 [1] HOSE ASSEM. 23.80 cm(9.38 in.)  
6. 005-4173 C [1] ELBOW  
  2M-9780 [1] SEAL  
7. 001-7043 [2] ELBOW  
8. 0S-1617 C [2] BOLT  
9. 9M-0397 [1] ADAPTER  
  9M-0385 [1] PLATE  
  6L-1884 [2] GASKET  
10. 7K-1181 [1] STRAP  
11. 4N-4935 [1] HOSE ASSEM. 40 cm(15.75 in.)  
12. 2B-0858 C [1] PLUG  
13. 1Y-0413 [1] TEE  
14. 3B-7744 [1] NIPPLE  
15. 8M-0755 [1] CONNECTOR  
  C   INDICATES CHANGE
 

#ZEBP05760165
 

9L-6971: LINES GP-AIR COMPRESSOR

9L6971 AIR COMPRESSOR LINES GROUP
S/N 70V2764-10345
c216381 ZEBP0576
9L6971 LINES GP-AIR COMPRESSOR Parts scheme
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Parts for your 621B WHEEL TRACTOR:

Pos. Part No Qty Parts name Comments
1. 3B-7744 [1] NIPPLE  
2. 1Y-0413 [1] TEE  
3. 032-1269 [2] ELBOW  
4. 2B-0858 [1] PLUG  
5. 001-7043 C [3] ELBOW  
6. 4N-4937 C [1] HOSE ASSEM. 48.30cm(19.02 in.)  
7. 8M-0755 [1] CONNECTOR  
8. 2M-9780 C [1] SEAL  
9. 4N-1875 C [1] HOSE ASSEM. 21.70cm(8.54 in.)  
10. 005-4173 C [1] ELBOW  
11. 4N-1875 [1] HOSE ASSEM. 21.70 cm(8.54 in.)  
12. 4N-4935 HOSE ASSEM. 40.0 cm(15.75 in.)  
  C   INDICATES CHANGE
 

#ZEBP05760166
 

8N-6024: LINES GP-AIR COMPRESSOR

8N6024 AIR COMPRESSOR LINES GROUP
S/N 70V10346-UP
c174440 ZEBP0576
8N6024 LINES GP-AIR COMPRESSOR Parts scheme
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Parts for your 621B WHEEL TRACTOR:

Pos. Part No Qty Parts name Comments
1. 3B-7744 [1] NIPPLE-CLOSE  
2. 1Y-0413 [1] TEE  
3. 032-1269 [2] ELBOW-FLARED  
4. 2B-0858 [1] PLUG-PIPE  
5. 001-7043 [3] ELBOW  
6. 4N-4935 I [1] HOSE AS-END 40CM(15.75IN)  
7. 8M-0755 [1] CONNECTOR  
8. 2M-9780 [1] SEAL-O-RING  
9. 4N-1875 I [1] HOSE AS-END 21.70CM(8.54IN)  
10. 005-4173 [1] ELBOW  
11. 4N-1875 I [1] HOSE AS-END 21.70CM(8.54IN)  
12. 061-9266 [1] HOSE AS  
  5P-0736 E HOSE 67CM(26.4IN)  
13. 061-6746 [2] FITTING AS  
  E   ORDER BY THE CENTIMETER
  I   SEE HOSE FABRICATION GUIDE
 

#ZEBP05760167
 

4N-9010: AFTERCOOLER GP-WATER

4N9010 AFTERCOOLER GROUP
SERIAL NO 70V1 TO 70V778
c202038 ZEBP0576
4N9010 AFTERCOOLER GP-WATER Parts scheme
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Parts for your 621B WHEEL TRACTOR:

Pos. Part No Qty Parts name Comments
1. 1B-9575 [26] BOLT  
2. 9M-1974 [26] WASHER  
3. 4N-9005 [1] COVER  
4. 5M-6213 [1] PLUG  
5. 9F-8999 [4] BOLT  
  2P-3261 [4] NUT  
6. 4B-4278 [3] WASHER  
7. 4N-1323 [1] COVER  
8. 4N-1320 [2] GASKET  
9. 4N-1324 [1] ADAPTER  
10. 0L-1319 [1] WASHER  
11. 4N-9008 [2] GASKET  
12. 4N-4188 [2] GASKET  
13. 1A-9579 [8] BOLT  
14. 3B-4505 [8] LOCKWASHER  
15. 4N-4193 [2] ADAPTER  
16. 9M-7002 [2] SEAL  
17. 1S-9544 [2] SEAL  
18. 6N-0600 C [1] CORE ASSEM.  
19. 4N-9007 [1] HOUSING  
20. 5M-6214 [2] PLUG  
21. 2N-8204 [6] GASKET  
22. 3J-5389 [1] PLUG  
23. 2P-3203 [11] BOLT  
24. 2P-3205 [1] BOLT  
  C   INDICATES CHANGE
 

#ZEBP05760168
 

4N-9010: AFTERCOOLER GP-WATER

4N9010 AFTERCOOLER GP-WATER
S/N 70V779-10345
c205569 ZEBP0576
4N9010 AFTERCOOLER GP-WATER Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

Pos. Part No Qty Parts name Comments
1. 1B-9575 C [34] BOLT  
2. 9M-1974 C [34] WASHER  
3. 4N-9005 [1] COVER  
4. 5M-6213 [1] PLUG  
5. 9F-8999 [4] BOLT  
  1D-4717 [4] NUT  
6. 5M-2894 C [7] WASHER  
7. 4N-1323 [1] COVER  
8. 4N-1320 [2] GASKET  
9. 4N-1324 [1] ADAPTER  
10. 2S-6160 [1] WASHER  
11. 4N-9008 [2] GASKET  
12. 4N-4188 [2] GASKET  
13. 0S-1571 C [1] BOLT  
14. 4N-7807 C [2] ADAPTER  
15. 4N-4193 [2] ADAPTER  
16. 9M-7002 [2] SEAL  
17. 1S-9544 [2] SEAL  
18. 6N-0600 [1] CORE ASSEM.  
19. 4N-9007 [1] HOUSING  
20. 5M-6214 [2] PLUG  
21. 2N-8204 [6] GASKET  
22. 3J-5389 [1] PLUG  
23. 0S-1588 C [11] BOLT (use as required)  
  C   INDICATES CHANGE
 

#ZEBP05760169
 

4N-9010: AFTERCOOLER GP-WATER

4N9010 AFTERCOOLER GP-WATER
S/N 70V10346-18199
c318305 ZEBP0576
4N9010 AFTERCOOLER GP-WATER Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

Pos. Part No Qty Parts name Comments
1. 1B-9575 C [34] BOLT  
2. 9M-1974 C [26] WASHER  
3. 4N-9005 [1] COVER-AFTERCOOLER  
4. 5M-6213 [1] PLUG  
5. 9F-8999 [4] BOLT  
  1D-4717 [4] NUT  
6. 5M-2894 C [7] WASHER  
7. 1W-0391 C [1] COVER  
8. 4W-4553 C [2] GASKET-ADAPTER  
9. 4N-1324 [1] ADAPTER  
10. 2S-6160 [1] WASHER-HARD  
11. 4N-9008 [2] GASKET  
12. 4N-4188 [2] GASKET  
13. 0S-1571 C [1] BOLT 4.44CM(1.75IN.)LG  
    -OR-
  0T-0065 C [1] BOLT 8.89CM(3.5IN.)LG  
14. 4W-4775 C [2] ADAPTER  
15. 4N-4193 [2] ADAPTER  
16. 9M-7002 [2] SEAL-O-RING  
17. 5P-7204 C [2] SEAL-O-RING  
18. 1W-4879 C [1] CORE AS-AFTERCOOLER  
19. 4N-9007 [1] HOUSING-AFTERCOOLER  
20. 5M-6214 C [2] PLUG-PIPE  
21. 2N-8204 [6] GASKET  
22. 3J-5389 [1] PLUG  
23. 0S-1588 C [11] BOLT 3.1CM(1.25IN.)LG  
    -OR-
  0S-1619 C [11] BOLT 7.6CM(3 IN.)LG  
24. 4W-8972 C [12] SPACER  
  C   CHANGE FROM PREVIOUS TYPE
 

Information:

General Service Information
Tu-Flo 300 Compressor
AIR COMPRESSORS TU-FLO 300, 400, 500, 501, 600, 700 & 1000 C
Tu-Flo 400, 500, 1000 Compressors
AIR COMPRESSORS TU-FLO 300, 400, 500, 501, 600, 700 & 1000 C
Tu-Flo 501 Compressor
AIR COMPRESSORS TU-FLO 300, 400, 500, 501, 600, 700 & 1000 C
Tu-Flo 600 Compressor
AIR COMPRESSORS TU-FLO 300, 400, 500, 501, 600, 700 & 1000 C
Tu-Flo 700 Compressor
AIR COMPRESSORS TU-FLO 300, 400, 500, 501, 600, 700 & 1000 C
EL-740 Air Compressor
MIDLAND AIR COMPRESSORS
EL-1300/EL-1600 Air Compressors
MIDLAND AIR COMPRESSORS
Truck Engine News
A New Special Instruction , "Troubleshooting Compressed Air System Components and Performance" Is Available {1803, 5500}
2002/09/01
Special Instruction
Air Compressor Installation Instructions{1803}
Air Compressor Installation Instructions{1803}
Troubleshooting Compressed Air System Components and Performance{1803, 5500}
Troubleshooting Compressed Air System Components and Performance{1803, 5500}
Specifications
Air Compressor Drive
3406 ENGINE FOR CATERPILLAR BUILT MACHINES
Air Compressor Governor
621B, 623B & 627B WHEEL TRACTOR-SCRAPERS AIR SYSTEM AND BRAK
Disassembly and Assembly
Air Compressor Governor
3406 VEHICULAR ENGINE FOR 621B & 623B TRACTORS
Air Compressor
3406 VEHICULAR ENGINE FOR 621B & 623B TRACTORS
Service Magazine
New Crankshaft Assemblies{1202,1204,1206,1207,1212}
1982/11/01
Air Dryer Available As Attachment{1065,4250}
1977/04/25
Sleeve-Type Ring Compressors Can Be Used For Installation Of Pistons From The Bottom Of The Engine{0622}
1978/08/21
New Gasket Provides Improved Sealing Between Air Compressor And Drive{1803}
1994/09/26
A New Special Instruction, REHS1428 , "Troubleshooting Compressed Air System Components and Performance" Is Available {1803, 5500}
2002/09/23
A New Diagnostic Kit for the Evaluation of Air Compressor Operation is Introduced {1803}
2004/11/15

Caterpillar Parts SIS Catalog 621B :

AIR COMPRESSOR GP
4N-6954 AIR COMPRESSOR GP
AIR COMPRESSOR GROUP
4N-1563 AIR COMPRESSOR GROUP
AIR COMPRESSOR GROUP
4N-2275 AIR COMPRESSOR GROUP
AIR COMPRESSOR GP
7N-6294 AIR COMPRESSOR GP
AIR COMPRESSOR GROUP
4N-2275 AIR COMPRESSOR GROUP
AIR COMPRESSOR GROUP
4N-2275 AIR COMPRESSOR GROUP
CARTRIDGE GP-TURBOCHARGER
8N-0817 CARTRIDGE GP-TURBOCHARGER
TURBOCHARGER GP
8N-5308 TURBOCHARGER GP
AIR COMPRESSOR LINES GROUP
4N-9610 AIR COMPRESSOR LINES GROUP
AIR COMPRESSOR LINES GROUP
4N-9610 AIR COMPRESSOR LINES GROUP
AIR COMPRESSOR LINES GROUP
4N-2285 AIR COMPRESSOR LINES GROUP
AIR COMPRESSOR LINES GROUP
4N-2285 AIR COMPRESSOR LINES GROUP
LINES GP-AIR COMPRESSOR
9L-6971 LINES GP-AIR COMPRESSOR
LINES GP-AIR COMPRESSOR
8N-6024 LINES GP-AIR COMPRESSOR
AFTERCOOLER GP-WATER
4N-9010 AFTERCOOLER GP-WATER
AFTERCOOLER GP-WATER
4N-9010 AFTERCOOLER GP-WATER

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