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4N2474 WATER LINES GROUP 621B WHEEL TRACTOR


COOLING SYSTEM
LINES GP-WATER
FUEL SYSTEM
PUMP GP-FUEL TRANSFER
PUMP GP-FUEL PRIMING
PUMP GP-FUEL TRANSFER
LINES GP-FUEL

WHEEL TRACTOR 621B WHEEL TRACTOR 45P
 3406 VEHICULAR ENGINE 45P00001-UP (MACHINE) UEG0835S 621B 45P   (1973)

COOLING SYSTEM

LINES GP-WATER
LINES GP-WATER
4N-1561 LINES GP-WATER
LINES GP-WATER
4N-1561 LINES GP-WATER
LINES GP-WATER
4N-1641 LINES GP-WATER
LINES GP-WATER
4N-1641 LINES GP-WATER
LINES GP-WATER
4N-2474 LINES GP-WATER
SWITCH GP-COOLANT FLOW
4N-3900 SWITCH GP-COOLANT FLOW
SWITCH GP
4N-8985 SWITCH GP
 

#UEG0835S0160
 

4N-2474: LINES GP-WATER

4N2474 WATER LINES GROUP
c205301 UEG0835S
4N2474 LINES GP-WATER Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-4191 [1] TUBE ASSEM.  
2. 2S-2053 [2] CLIP  
3. 9M-7002 C [4] SEAL  
4. 5M-6213 [1] PLUG  
5. 4N-7806 C [1] ELBOW  
6. 4N-4664 [1] BRACKET ASSEM.  
7. 9F-2978 [1] NUT  
8. 0S-0509 [1] BOLT  
  5M-2894 C [1] WASHER  
9. 4N-2617 [1] ELBOW  
10. 0S-1590 C [2] BOLT  
11. 4N-0933 [1] GASKET  
12. 4N-7796 C [1] ELBOW  
13. 4N-4196 [1] PIPE  
14. 4N-4192 [1] ELBOW  
15. 0S-1591 C [2] BOLT  
16. 4N-0699 [1] GASKET  
17. 4N-4188 C [2] GASKET  
  C   INDICATES CHANGE
 

#UEG0835S0161
 

4N-3948: FUEL TRANSFER PUMP GROUP

4N3948 FUEL TRANSFER PUMP GROUP (4N3949 N/S)
Serial No. 70V1 to 70V757 inclusive
c201448 UEG0835S
4N3948 FUEL TRANSFER PUMP GROUP Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-3943 [1] BODY ASSEM.  
2. 2S-7467 [1] BEARING  
3. 4N-4249 [1] SEAL  
4. 4N-4248 [1] SEAL  
5. 4N-3944 [1] SHAFT  
6. 4B-3388 CH [2] BOLT  
7. 4N-3945 [1] SHAFT ASSEM.  
8. 8S-4368 [1] GEAR (10 teeth)  
9. 6J-2419 [1] SEAL  
10. 4N-5434 H [1] GASKET  
11. 8S-4368 [1] GEAR (10 teeth)  
12. 4N-3942 [1] COVER ASSEM.  
  1P-2298 [1] VALVE  
13. 1T-0099 C [1] PIN  
14. 9S-4190 [1] PLUG  
  2M-9780 [1] SEAL  
15. 9S-4185 [1] PLUG  
16. 3K-0360 [1] SEAL  
17. 4N-3938 [1] SEAT  
18. 2S-0982 [1] SPRING  
19. 4N-1767 [1] VALVE  
20. 2B-2694 [6] BOLT  
  C   INDICATES CHANGE
  H   NOT PART OF 4N3948 FUEL TRANSF
 

#UEG0835S0162
 

4N-3287: PUMP GP-FUEL PRIMING

4N3287 FUEL PRIMING PUMP GROUP
c215540 UEG0835S
4N3287 PUMP GP-FUEL PRIMING Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1P-0436 [1] GASKET  
2. 4B-3388 [1] BOLT  
    2.86 CM(1.125 IN)LONG
    -OR-
  1B-2790 C [1] BOLT  
    3.49 CM(1.375 IN)LONG
  9M-1974 C [1] WASHER  
    7.95 MM(.313 IN)DIA
3. 0S-1616 [1] BOLT  
    2.54 CM(1 IN)LONG
    -OR-
  7B-2742 C [1] BOLT  
    3.18 CM(1.25 IN)LONG
  5P-0537 C [1] WASHER  
    6.35 MM(.25 IN)DIA
4. 4N-2511 [1] PUMP AS-FUEL PRIMING  
  C   CHANGE FROM PREVIOUS TYPE
 

#UEG0835S0163
 

4N-3948: FUEL TRANSFER PUMP GROUP

4N3948 FUEL TRANSFER PUMP GROUP (4N3949 N/S)
Serial No. 70V758 to 70V2669 inclusive
c208826 UEG0835S
4N3948 FUEL TRANSFER PUMP GROUP Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-3943 [1] BODY ASSEM.  
2. 2S-7467 [1] BEARING  
3. 4N-4249 [1] SEAL  
4. 4N-4248 [1] SEAL  
5. 4N-3944 [1] SHAFT  
6. 4B-3388 H [2] BOLT  
7. 4N-3945 [1] SHAFT ASSEM.  
8. 8S-4368 [1] GEAR (10 teeth)  
9. 6J-2419 [1] SEAL  
10. 4N-5434 H [1] GASKET  
11. 8S-4368 [1] GEAR (10 teeth)  
12. 6N-3561 C [1] COVER ASSEM.  
  1P-2298 [1] VALVE  
13. 1T-0099 [1] PIN  
14. 9S-4190 [1] PLUG  
  2M-9780 [1] SEAL  
15. 7S-4440 C [1] BOLT  
16. 4N-7465 C [1] GASKET  
17. 2P-4252 C [1] SPRING  
18. 8M-0874 C [1] PLUNGER ASSEM.  
19. 5M-6213 C [1] PLUG  
20. 2B-2694 [6] BOLT  
21. 7M-7260 C LIQUID GASKET  
  C   INDICATES CHANGE
  H   NOT PART OF 4N3948 FUEL TRANSF
 

#UEG0835S0164
 

4N-3949: PUMP GP-FUEL TRANSFER

4N3949 FUEL TRANSFER PUMP GROUP
Serial No. 70V2670-Up
6N4437 Pump parts are shown on Page 57B
c210549 UEG0835S
4N3949 PUMP GP-FUEL TRANSFER Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-4437 CY [1] PUMP GROUP  
    (Separate Illustration)
2. 4N-5434 [1] GASKET  
3. 4B-3388 [2] BOLT  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0835S0165
 

6N-4437: PUMP GP-FUEL TRANSFER

6N4437 FUEL TRANSFER PUMP GROUP--Type 1
Serial No. 70V2670-Up
Part of 4N3949 Fuel Transfer Pump Group shown on Page 57A
c214613 UEG0835S
6N4437 PUMP GP-FUEL TRANSFER Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-4436 [1] PLUG  
2. 8F-3469 [1] SEAL  
3. 1P-2298 [1] VALVE ASSEM.  
4. 5M-6213 [1] PLUG  
5. 8S-4368 [1] GEAR (10 teeth)  
6. 6N-4440 [1] COVER  
7. 4N-7465 [1] GASKET  
8. 7S-4440 [1] BOLT  
9. 2P-4252 [1] SPRING  
10. 8M-0874 [1] PLUNGER ASSEM.  
11. 0S-1618 [6] BOLT  
12. 6N-4439 [1] BODY ASSEM.  
    (Includes)
13. 8F-6058 [2] BEARING  
14. 4N-4249 [1] SEAL  
15. 4N-4248 [1] SEAL  
16. 4N-3944 [1] SHAFT  
17. 6J-2419 [1] SEAL  
18. 6N-4441 [1] SHAFT ASSEM.  
    (Includes)
  8S-4368 [1] GEAR (10 teeth)  
 

#UEG0835S0166
 

6N-4437: PUMP GP-FUEL TRANSFER

6N4437 FUEL TRANSFER PUMP GROUP--Type 2
Serial No. 70V2670-Up
Part of 4N3949 Fuel Transfer Pump Group shown on Page 57A
c220733 UEG0835S
6N4437 PUMP GP-FUEL TRANSFER Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-4436 [1] PLUG  
2. 8F-3469 [1] SEAL  
3. 1P-2298 [1] VALVE ASSEM.  
4. 3K-8460 C [1] PLUG  
5. 8S-4368 [1] GEAR (10 teeth)  
6. 6N-4440 [1] COVER  
7. 4N-7465 [1] GASKET  
8. 7S-4440 [1] BOLT  
9. 2P-4252 [1] SPRING  
10. 8M-0874 [1] PLUNGER ASSEM.  
11. 0S-1618 [6] BOLT  
12. 7N-6119 C [1] BODY ASSEM.  
    (Includes)
13. 8F-6058 [2] BEARING  
14. 5P-9295 C [1] SEAL  
15. 5P-9294 C [1] SEAL  
16. 4N-3944 [1] SHAFT  
17. 6J-2419 [1] SEAL  
18. 6N-4441 [1] SHAFT ASSEM.  
    (Includes)
  8S-4368 [1] GEAR (10 teeth)  
19. 1J-9671 C [1] SEAL  
  C   INDICATES CHANGE
 

#UEG0835S0167
 

4N-2292: LINES GP-FUEL FILTER

4N2292 FUEL FILTER LINES GROUP
Serial No. 70V1 to 70V1057 inclusive
c201434 UEG0835S
4N2292 LINES GP-FUEL FILTER Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 030-7942 [1] ELBOW  
2. 3J-1907 [5] SEAL  
3. 6N-0938 [1] HOSE ASSEM. (86 in. long)  
4. 032-1268 [1] ELBOW  
5. 5P-1404 [1] ADAPTER  
  2M-9780 [1] SEAL  
6. 030-7947 [4] ELBOW  
7. 6N-0939 [1] HOSE ASSEM. (95 in. long)  
8. 4N-7506 [1] ELBOW ASSEM.  
    (Includes)
9. 1P-2298 [1] VALVE ASSEM.  
10. 4N-4125 [1] GASKET  
11. 3J-7354 [1] SEAL  
12. 1A-9579 [2] BOLT  
13. 4N-7573 [1] HOSE ASSEM. (11.50 in. long)  
 

#UEG0835S0168
 

4N-2292: LINES GP-FUEL FILTER

4N2292 FUEL FILTER LINES GROUP
Serial No. 70V1058 to 70V1493 inclusive
c152331 UEG0835S
4N2292 LINES GP-FUEL FILTER Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 030-7942 [1] ELBOW  
2. 3J-1907 C [7] SEAL  
3. 9N-0938 [1] HOSE ASSEM. 86 in. (218.4 cm)  
4. 032-1268 [1] ELBOW  
5. 5P-1404 [1] ADAPTER  
  2M-9780 [1] SEAL  
6. 030-7947 C [5] ELBOW  
7. 6N-0939 [1] HOSE ASSEM. 95 in.(241.3 cm)  
8. 4N-7506 [1] ELBOW ASSEM.  
    (Includes)
9. 1P-2298 [1] VALVE ASSEM.  
10. 4N-4125 [1] GASKET  
11. 3J-7354 C [2] SEAL  
12. 1A-9579 [2] BOLT  
13. 4N-7573 [1] HOSE ASSEM. 12.5 in. (31.8 cm)  
14. 9S-4191 C [1] PLUG  
15. 9S-4182 C [1] PLUG  
  C   INDICATES CHANGE
 

#UEG0835S0169
 

4N-2292: LINES GP-FUEL FILTER

4N2292 FUEL FILTER LINES GROUP
Serial No. 70V1494 to 70V2536 inclusive
c206263 UEG0835S
4N2292 LINES GP-FUEL FILTER Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-0938 [1] HOSE ASSEM. 86 in. (21.84 dm)  
2. 4N-7573 C [2] HOSE ASSEM. 12.5 in. (3.18 dm)  
3. 2R-6806 C [2] CONNECTOR  
4. 3J-1907 C [8] SEAL  
5. 030-7947 C [4] ELBOW  
6. 1D-4717 C [2] NUT  
7. 5M-2894 C [4] WASHER  
8. 9S-4191 [1] PLUG  
9. 9S-4182 [1] PLUG  
  3J-7354 C [1] SEAL  
10. 5P-1404 [1] ADAPTER  
  2M-9780 [1] SEAL  
11. 2A-4639 C [2] BOLT  
12. 9N-1834 C [1] BLOCK ASSEM.  
13. 5P-4592 C [1] ELBOW  
14. 6N-0939 [1] HOSE ASSEM. 95 in. (24.13 dm)  
15. 030-7942 [1] ELBOW  
  C   INDICATES CHANGE
 

Information:

Engine News
Water Temperature Regulators (Thermostats) Have Been Redesigned {1355, 1380, 1393}
2012/12/19
Special Instruction
3400 Cylinder Head To Block Joint Repair Procedure{1124}
3400 Cylinder Head To Block Joint Repair Procedure{1124}
Installation Of 7N4804 Retarder Oil Cooler Water Lines Replacement Group{1368, 3122}
Installation Of 7N4804 Retarder Oil Cooler Water Lines Replacement Group{1368, 3122}
Specifications
Water Temperature Regulators
3406 ENGINE FOR CATERPILLAR BUILT MACHINES
Water Temperature Regulator
3406C Engines for Caterpillar Built Machines
Water Temperature Regulator
3406C Engines for Caterpillar Built Machines
Disassembly and Assembly
Water Temperature Regulators
3406 VEHICULAR ENGINE FOR 621B & 623B TRACTORS
Water Temperature Regulator - Remove and Install
3406E and 3456 Engines for Caterpillar Built Machines
Water Temperature Regulator Housing - Remove and Install
C15 and C18 Engines for Caterpillar Built Machines
Service Magazine
Added Methods To Decrease The Effects Of High Sulfur Fuels{1355,1280,1318,1000}
1982/08/30
Faster Response Water Temperature Regulators; Service Simplified{1350,1355}
1985/11/25
New Water Temperature Regulator Has A Closer Fit At The Valve Seat To Keep Leakage At A Minimum{1355}
1977/01/17
Baffle Added To Water Pump Cover To Send Coolant In Bypass Line Directly Into The Water Pump{1361}
1977/07/11
New Water Lines Group Decreases Possible Engine Failures Caused By Loss Of Coolant{1365,1368,1380}
1977/12/05
Easy Five-Minute Coolant Conditioner Test With 8T5296 Coolant Conditioner Test Kit{1395,0786}
1987/03/23
5P957 And 5P3514 Coolant And Battery Tester{0786,1395,1401}
1987/03/23
New Water Temperature Regulator Opens At 180°F (82°C){1350,1355,7304}
1978/02/06
How To Identify Failures To Electric Jacket Water Heaters{1383}
1988/04/18
New Publication Available-"Coolant And Your Engine"{1395,0374,0375}
1989/02/13
Engine Coolant Can Be Recycled{1395}
1989/11/13
Color Coded Dust Caps for S·O·S Ports Will Be Available {7770}
2003/12/01
Water Temperature Regulators (Thermostats) Have Been Redesigned {1355, 1380, 1393}
2013/04/17

Caterpillar Parts SIS Catalog 621B :

AFTERCOOLER GP-WATER
4N-9010 AFTERCOOLER GP-WATER
AFTERCOOLER GP-WATER
4N-9010 AFTERCOOLER GP-WATER
AIR COMPRESSOR LINES GROUP
4N-9610 AIR COMPRESSOR LINES GROUP
AIR COMPRESSOR LINES GROUP
4N-9610 AIR COMPRESSOR LINES GROUP
LINES GP-AIR COMPRESSOR
9L-6971 LINES GP-AIR COMPRESSOR
LINES GP-AIR COMPRESSOR
9L-6971 LINES GP-AIR COMPRESSOR
AIR COMPRESSOR LINES GROUP
4N-2285 AIR COMPRESSOR LINES GROUP
AIR COMPRESSOR LINES GROUP
4N-2285 AIR COMPRESSOR LINES GROUP
FUEL TRANSFER PUMP GROUP
4N-3948 FUEL TRANSFER PUMP GROUP
PUMP GP-FUEL PRIMING
4N-3287 PUMP GP-FUEL PRIMING
FUEL TRANSFER PUMP GROUP
4N-3948 FUEL TRANSFER PUMP GROUP
PUMP GP-FUEL TRANSFER
4N-3949 PUMP GP-FUEL TRANSFER
PUMP GP-FUEL TRANSFER
6N-4437 PUMP GP-FUEL TRANSFER
PUMP GP-FUEL TRANSFER
6N-4437 PUMP GP-FUEL TRANSFER
LINES GP-FUEL FILTER
4N-2292 LINES GP-FUEL FILTER
LINES GP-FUEL FILTER
4N-2292 LINES GP-FUEL FILTER

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Caterpillar 621B
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MACALLISTER MACHINERY CO., INC
Caterpillar 621B
 
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Caterpillar 621B, Road Scraper, Construction
- Road Scraper
QUINN COMPANY
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