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7J2271 RELIEF VALVE GROUP Part of 8J4420 Control Valve Group 623 WHEEL TRACTOR


OPERATOR STATION
CONTROL GP-HYDRAULIC
HYDRAULIC SYSTEM
LINES GP-HYDRAULIC

WHEEL TRACTOR 623 WHEEL TRACTOR 52U
 623 TRACTOR 52U00001-UP (MACHINE) UEG0618S 623 52U   (1972)

OPERATOR STATION

CONTROL GP-HYDRAULIC
VALVE GP-RELIEF
7J-2271 VALVE GP-RELIEF
VALVE GP-CONTROL
8J-4420 VALVE GP-CONTROL
CONTROL VALVE GROUP
8J-4478 CONTROL VALVE GROUP
CONTROL VALVE GROUP
8J-4478 CONTROL VALVE GROUP
 

#UEG0618S0240
 

7J-2271: VALVE GP-RELIEF

7J2271 RELIEF VALVE GROUP
Part of 8J4420 Control Valve Group
c115210 UEG0618S
7J2271 VALVE GP-RELIEF Parts scheme
  For full view, you need register

Parts for your 623 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4J-5309 [1] SEAL  
  4J-0519 [1] SEAL  
  9S-8002 C [2] PLUG  
  3J-7354 C [2] SEAL  
  5J-2437 [1] BODY GROUP  
  5J-2721 [12] SHIM (.005" Thick)  
  5J-2722 [1] SHIM (.048" Thick)  
  5J-4571 C [1] SPRING  
  3B-1915 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  5J-0901 [1] VALVE  
  5J-3237 [1] STOP  
  8F-9206 [1] SEAL  
  5B-0213 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  7J-2270 [1] BODY GROUP  
  1H-9696 [1] SEAL  
  7J-2267 [1] BODY ASSEM.  
  2H-6488 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4J-0525 C [2] SEAL  
  2B-2254 [1] SPRING  
  C   INDICATES CHANGE
 

#UEG0618S0241
 

8J-4420: VALVE GP-CONTROL

8J4420 CONTROL VALVE GROUP
Part of Tractor to Scraper Lines and 8D3100 Tractor to Scraper Lines Group shown
on Pages 134A and 193
c115179 UEG0618S
8J4420 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 623 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7J-2271 Y [1] VALVE GROUP  
    (Separate Illustration)
2. 9S-8004 [2] PLUG  
  3J-1907 [2] SEAL  
3. 1P-4578 [2] FLANGE  
4. 3H-5368 [4] BOLT  
5. 0S-1588 [10] BOLT  
6. 2J-5245 [2] BOLT  
7. 1P-4577 [4] FLANGE  
8. 7J-2275 [1] COVER  
9. 4J-5573 [2] SEAL  
10. 6F-6673 [1] SEAL  
11. 0S-1608 [4] BOLT  
12. 3B-4506 [6] LOCKWASHER  
13. 5F-1678 [1] SEAL  
14. 4J-0525 [1] SEAL  
15. 0T-0768 [2] BOLT  
  3B-4507 [2] LOCKWASHER  
16. 8J-2550 [1] FLANGE  
17. 4K-6801 [1] RING  
18. 8J-4556 [1] SPRING  
19. 8J-4557 [1] VALVE  
20. 7J-3657 [1] SPRING  
21. 7J-2276 [1] COVER  
22. 7J-2274 [1] BODY GROUP  
23. 1P-4579 [6] FLANGE  
24. 0S-1585 [12] BOLT  
  Y   SEPARATE ILLUSTRATION
 

#UEG0618S0242
 

8D-2230: TRACTOR TO SCRAPER LINES

TRACTOR TO SCRAPER LINES (8D2230 N/S)--Part 1 of 5
Serial No. 52U1 to 52U309 inclusive
Refer also to Page 183 for special parts
c115175 UEG0618S
8D2230 TRACTOR TO SCRAPER LINES Parts scheme
  For full view, you need register

Parts for your 623 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8D-3289 [4] HOSE ASSEM.  
  8S-9355 H HOSE 28.5"  
2. 3S-7252 [2] SLEEVE  
3. 3S-8496 [2] STEM ASSEM.  
4. 4J-0520 [16] SEAL  
5. 1P-4577 [16] FLANGE  
6. 8D-3291 [1] HOSE ASSEM. (Bowl Lower)  
  8S-9355 H HOSE 96.6"  
7. 3S-8498 [1] STEM ASSEM. (30 degrees)  
  3S-8503 [1] STEM ASSEM. (90 degrees)  
8. 3S-7252 [2] SLEEVE  
9. 1D-4717 [22] NUT  
10. 3B-4506 [22] LOCKWASHER  
11. 8D-3293 [1] HOSE ASSEM. (Bowl Raise)  
  8S-9355 H HOSE 91.8"  
12. 3S-8499 [1] STEM ASSEM. (45 degrees)  
  6D-9961 [1] STEM ASSEM. (90 degrees)  
13. 3S-7252 [2] SLEEVE  
14. 0L-1169 [1] BOLT  
15. 3B-4510 [3] LOCKWASHER  
16. 5J-8051 [2] CLAMP  
17. 8F-6783 [8] CLAMP  
18. 1D-4595 [1] BOLT  
19. 1D-4720 [2] NUT  
20. 8D-3270 [1] PLATE ASSEM.  
21. 0S-1594 [2] BOLT  
22. 1D-4586 [2] BOLT  
23. 8D-3294 [1] HOSE ASSEM. (Ejector Forward)  
  8S-9355 H HOSE 89"  
24. 3S-8499 [1] STEM ASSEM. (45 degrees)  
  6D-9961 [1] STEM ASSEM. (90 degrees)  
25. 3S-7252 [2] SLEEVE  
26. 8D-3292 [1] HOSE ASSEM. (Ejector Return)  
  8S-9355 H HOSE 99"  
27. 3S-7252 [2] SLEEVE  
28. 3S-8498 [1] STEM ASSEM. (30 degrees)  
  3S-8503 [1] STEM ASSEM. (90 degrees)  
29. 3B-1915 [4] BOLT  
30. 7D-9145 [2] PLATE  
31. 0L-1143 [16] BOLT  
  H   ORDER BY THE INCH
 

#UEG0618S0243
 

8D-2230: TRACTOR TO SCRAPER LINES

TRACTOR TO SCRAPER LINES (8D2230 N/S)--Part 2 of 5
Serial No. 52U1 to 52U309 inclusive
c147510 UEG0618S
8D2230 TRACTOR TO SCRAPER LINES Parts scheme
  For full view, you need register

Parts for your 623 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7D-9147 [4] CLAMP  
2. 5J-8051 [2] CLAMP  
3. 8D-3236 [2] HOSE ASSEM.  
    (Each Includes)
  8S-8220 H HOSE 137.5 in.  
4. 3S-9326 [1] STEM ASSEM. (straight)  
5. 3S-8330 [2] SLEEVE  
6. 3S-9327 [1] STEM ASSEM. (22.5)  
7. 4J-0524 [2] SEAL  
8. 0T-0573 [2] BOLT  
9. 1D-4717 [6] NUT  
10. 3B-4506 [26] LOCKWASHER  
11. 7D-9149 [1] SUPPORT  
12. 0S-1594 [14] BOLT  
13. 0S-1569 [1] BOLT  
14. 1D-4720 [2] NUT  
15. 3B-4510 [2] LOCKWASHER  
16. 7D-9146 [1] SUPPORT  
17. 6D-8099 [4] CLAMP  
18. 6D-7114 [4] STRAP  
19. 8D-3028 [1] BRACKET ASSEM.  
    (Includes)
  4D-7529 [2] BOSS  
20. 0S-0509 [2] BOLT  
21. 0S-1588 [3] BOLT  
22. 0S-1587 [4] BOLT  
23. 1P-4579 [2] FLANGE  
24. 1A-2029 [2] BOLT  
25. 4B-4278 [4] WASHER  
26. 8D-1870 [1] ANGLE  
27. 8D-1987 [1] PLATE ASSEM.  
    (Includes)
  2S-4615 [1] BOSS  
28. 3K-0925 [1] SPACER  
29. 8D-1988 [2] CLIP  
30. 1A-2029 [1] BOLT  
31. 8D-1955 C [1] TUBE ASSEM.  
32. 8D-9941 C [1] PLATE  
  C   INDICATES CHANGE
  H   ORDER BY THE INCH
 

#UEG0618S0244
 

8D-2230: TRACTOR TO SCRAPER LINES

TRACTOR TO SCRAPER LINES (8D2230 N/S)--Part 3 of 5
Serial No. 52U1 to 52U309 inclusive
8J4478 Valve parts are shown on Pages 136 through 137B
c141307 UEG0618S
8D2230 TRACTOR TO SCRAPER LINES Parts scheme
  For full view, you need register

Parts for your 623 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1B-4204 C [3] NUT  
2. 8J-2090 [3] ROD  
3. 7F-8092 [3] KNOB  
4. 8D-1628 [1] HOSE ASSEM. (50.25 in. Long)  
5. 2H-6338 [1] SEAL  
6. 9S-8010 [1] PLUG  
7. 2S-4078 [1] SEAL  
8. 8D-5208 [1] TUBE ASSEM.  
9. [1] FLANGE  
10. 4J-0522 [4] SEAL  
11. 0L-1143 [3] BOLT  
12. 3B-4506 C [3] LOCKWASHER  
13. 1A-8537 [4] BOLT  
14. 1D-4720 [4] NUT  
15. 3B-4510 [12] LOCKWASHER  
16. 1P-4585 [2] FLANGE  
17. 2H-6338 [1] SEAL  
18. 8D-1976 [1] TUBE ASSEM.  
19. 2J-1737 [6] CLAMP  
20. 8D-3216 [1] CLIP (9.20 in. Long)  
  8D-3215 [1] CLIP (7.16 in. Long)  
21. 0S-1585 [1] BOLT  
22. 3B-4508 [5] LOCKWASHER  
23. 4B-4280 [1] WASHER  
24. 9F-7283 [1] SEAL  
25. 8D-1555 [1] TUBE ASSEM.  
  8H-7521 [1] SEAL  
26. 8D-0481 [1] HOSE  
27. 0S-1589 [4] BOLT  
28. 3B-4507 [12] LOCKWASHER  
29. 7D-7985 [1] ELBOW  
30. 4L-6848 C [2] CLAMP  
31. 7D-8094 [1] HOSE  
32. 7D-8032 [1] ELBOW  
33. 8D-1991 [1] TUBE ASSEM.  
34. 6D-4597 [1] ADAPTER  
35. 0S-1587 [4] BOLT  
36. 9S-3888 [1] SEAL  
37. 8D-1531 [1] TUBE  
38. 1A-1135 [4] BOLT  
39. 2S-6662 H HOSE 4 in.  
40. 0T-0768 [8] BOLT  
41. 3B-8428 [2] BOLT (3.25 in. Long)  
  0T-0319 [2] BOLT (2 in. Long)  
42. 8J-4478 Y [1] VALVE GROUP  
    (Separate Illustration)
  H   ORDER BY THE INCH
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#UEG0618S0245
 

8D-2230: TRACTOR TO SCRAPER LINES

TRACTOR TO SCRAPER LINES (8D2230 N/S)--Part 4 of 5
Serial No. 52U1 to 52U309 inclusive
8J4420 Valve parts are shown on Page 131
c141308 UEG0618S
8D2230 TRACTOR TO SCRAPER LINES Parts scheme
  For full view, you need register

Parts for your 623 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-4420 Y [1] VALVE GROUP  
    (Separate Illustration)
2. 8D-6618 [1] COVER ASSEM.  
3. 0S-1594 [4] BOLT  
  4B-4278 [4] WASHER  
4. 3B-4506 [4] LOCKWASHER  
5. 5D-9522 C [5] UNION  
  3J-1907 [1] SEAL  
6. 0S-1595 [2] BOLT  
7. 3B-4508 [6] LOCKWASHER  
8. 6D-7725 [2] HOSE ASSEM. (46 in. Long)  
9. 6D-1891 [1] UNION  
  3J-1907 [1] SEAL  
10. 3H-5368 [8] BOLT  
11. 1P-4578 [4] FLANGE  
12. 8D-1532 [1] HOSE ASSEM.  
  8S-9348 H HOSE 24.1 in.  
13. 3S-8570 [2] STEM ASSEM.  
14. 3S-7116 [2] SLEEVE  
15. 4J-0522 [2] SEAL  
16. 5D-1259 [1] HOSE ASSEM. (50 in. Long)  
17. 8S-9092 [4] BOLT  
  1D-4720 [4] NUT  
  3B-4510 [4] LOCKWASHER  
18. 7D-5883 [1] ELBOW  
19. 1P-4579 [2] FLANGE  
20. 1A-1460 [4] BOLT  
  1D-4719 [4] NUT  
21. 8D-3238 [1] HOSE ASSEM.  
  8S-8220 H [1] HOSE 26.2 in.  
22. 3S-9327 [1] STEM ASSEM. (22.5'')  
  3S-9332 [1] STEM ASSEM. (90'')  
23. 3S-8330 [2] SLEEVE  
24. 4J-0524 [2] SEAL  
25. 7D-9176 [1] HOSE ASSEM.  
  8S-9355 H HOSE 59.6 in.  
26. 3S-8502 [1] STEM ASSEM. (67.5'')  
27. 3S-7252 [2] SLEEVE  
28. 3S-8498 [1] STEM ASSEM. (30'')  
29. 4J-0520 [2] SEAL  
  H   ORDER BY THE INCH
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#UEG0618S0246
 

8D-2230: TRACTOR TO SCRAPER LINES

TRACTOR TO SCRAPER LINES (8D2230 N/S)--Part 5 of 5
Serial No. 52U1 to 52U309 inclusive
c141309 UEG0618S
8D2230 TRACTOR TO SCRAPER LINES Parts scheme
  For full view, you need register

Parts for your 623 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8D-3229 [1] HOSE ASSEM.  
  8S-9355 H HOSE 59.6 in.  
2. 7S-1720 [1] STEM ASSEM. (110')  
3. 3S-7252 [2] SLEEVE  
4. 3S-8503 [1] STEM ASSEM. (90')  
5. 4J-0520 [2] SEAL  
6. 4D-5371 [1] CLIP  
7. 1A-2029 [4] BOLT  
8. 3B-4506 [8] LOCKWASHER  
9. 5D-2590 [2] TUBE ASSEM.  
10. 4J-0520 [2] SEAL  
11. 2S-6647 H HOSE 4 in.  
  9M-2904 [2] CLAMP  
12. 8D-3237 [1] HOSE ASSEM.  
  8S-9348 H HOSE 53.8 in.  
13. 3S-7116 [2] SLEEVE  
14. 8S-8957 [1] STEM ASSEM. (Oversize)  
15. 3S-8572 [1] STEM ASSEM. (67.5')  
16. 4J-0524 [5] SEAL  
17. 4J-0522 [1] SEAL  
18. 1P-4579 [6] FLANGE  
19. 0S-1585 [4] BOLT  
20. 1P-4577 [2] FLANGE  
21. 0S-1588 [4] BOLT (1.25 in. Long)  
22. 8D-3239 [1] BLOCK  
  4J-0520 [1] SEAL  
23. 0L-1352 [1] BOLT  
24. 0S-1587 [8] BOLT  
25. 7D-9177 [1] HOSE ASSEM.  
  8S-8220 H HOSE 21.6 in.  
26. 3S-9331 [1] STEM ASSEM. (67.5')  
27. 3S-8330 [2] SLEEVE  
28. 3S-9329 [1] STEM ASSEM. (45')  
29. 8D-3229 [1] HOSE ASSEM.  
  8S-8220 H HOSE 20.9 in.  
30. 3S-9331 [1] STEM ASSEM. (67.5')  
31. 3S-8330 [2] SLEEVE  
32. 3S-9329 [1] STEM ASSEM. (45')  
33. 6D-3479 C [1] CLIP  
34. 030-7948 C [1] ELBOW  
  3K-0360 [1] SEAL  
  C   INDICATES CHANGE
  H   ORDER BY THE INCH
 

#UEG0618S0247
 

8D-2230: TRACTOR TO SCRAPER LINES

TRACTOR TO SCRAPER LINES (8D2230 N/S)--Part 1 of 5
Serial No. 52U310-Up
Refer also to Page 183 for special parts
c144513 UEG0618S
8D2230 TRACTOR TO SCRAPER LINES Parts scheme
  For full view, you need register

Parts for your 623 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8D-3289 [4] HOSE ASSEM.  
  8S-9355 H HOSE 28.5"  
2. 3S-7252 [2] SLEEVE  
3. 3S-8496 [2] STEM ASSEM.  
4. 4J-0520 [16] SEAL  
5. 1P-4577 [16] FLANGE  
6. 8D-3291 [1] HOSE ASSEM. (Bowl Lower)  
  8S-9355 H HOSE 96.6"  
7. 3S-8498 [1] STEM ASSEM. (30 degrees)  
  3S-8503 [1] STEM ASSEM. (90 degrees)  
8. 3S-7252 [2] SLEEVE  
9. 1D-4717 [22] NUT  
10. 3B-4506 C [20] LOCKWASHER  
11. 8D-3293 [1] HOSE ASSEM. (Bowl Raise)  
  8S-9355 H HOSE 91.8"  
12. 3S-8499 [1] STEM ASSEM. (45 degrees)  
  6D-9961 [1] STEM ASSEM. (90 degrees)  
13. 3S-7252 [2] SLEEVE  
14. 0L-1169 [1] BOLT  
15. 3B-4510 [3] LOCKWASHER  
16. 5J-8051 [2] CLAMP  
17. 8F-6783 [8] CLAMP  
18. 1D-4595 [1] BOLT  
19. 1D-4720 [2] NUT  
20. 8D-3270 [1] PLATE ASSEM.  
21. 0S-1594 [2] BOLT  
22. 1D-4586 [2] BOLT  
23. 8D-3294 [1] HOSE ASSEM. (Ejector Forward)  
  8S-9355 H HOSE 89"  
24. 3S-8499 [1] STEM ASSEM. (45 degrees)  
  6D-9961 [1] STEM ASSEM. (90 degrees)  
25. 3S-7252 [2] SLEEVE  
26. 8D-3292 [1] HOSE ASSEM. (Ejector Return)  
  8S-9355 H HOSE 99"  
27. 3S-7252 [2] SLEEVE  
28. 3S-8498 [1] STEM ASSEM. (30 degrees)  
  3S-8503 [1] STEM ASSEM. (90 degrees)  
29. 0S-1591 C [4] BOLT  
30. 7D-9145 [2] PLATE  
31. 0L-1143 [16] BOLT  
32. 5M-2894 C [4] WASHER  
  C   INDICATES CHANGE
  H   ORDER BY THE INCH
 

#UEG0618S0248
 

8D-2230: TRACTOR TO SCRAPER LINES

TRACTOR TO SCRAPER LINES (8D2230 N/S)--Part 2 of 5
Serial No. 52U310-Up
c144514 UEG0618S
8D2230 TRACTOR TO SCRAPER LINES Parts scheme
  For full view, you need register

Parts for your 623 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7D-9147 [4] CLAMP  
2. 5J-8051 [2] CLAMP  
3. 8D-3236 [2] HOSE ASSEM.  
  8S-8220 H HOSE 127.5 in.  
4. 3S-9326 [1] STEM ASSEM. (Straight)  
5. 3S-8330 [2] SLEEVE  
6. 3S-9327 [1] STEM ASSEM. (22.5 degrees)  
7. 4J-0524 [2] SEAL  
8. 0T-0573 [2] BOLT  
9. 1D-4717 [6] NUT  
10. 3B-4506 [26] LOCKWASHER  
11. 7D-9149 [1] SUPPORT  
12. 0S-1594 [13] BOLT (1 in. long)  
13. 0S-1569 [1] BOLT  
14. 1D-4720 [2] NUT  
15. 3B-4510 [2] LOCKWASHER  
16. 7D-9146 [1] SUPPORT  
17. 6D-8099 [4] CLAMP  
18. 6D-7114 [4] STRAP  
19. 8D-3028 [1] BRACKET ASSEM.  
  4D-7529 [2] BOSS  
20. 0S-0509 [2] BOLT  
21. 0S-1588 [3] BOLT (1.25 in. long)  
22. 0S-1587 [4] BOLT  
23. 1P-4579 [2] FLANGE  
24. 1A-2029 C [3] BOLT (1.12 in. long)  
25. 4B-4278 [4] WASHER  
26. 8D-1870 [1] ANGLE  
27. 8D-1987 [1] PLATE ASSEM.  
  2S-4615 [1] BOSS  
28. 3K-0925 [1] SPACER  
29. 8D-1988 [2] CLIP  
30. 1A-2029 [1] BOLT  
31. 8D-1955 [1] TUBE ASSEM.  
32. 8D-9941 [1] PLATE  
33. 5K-5338 C [1] CLIP  
  C   INDICATES CHANGE
  H   ORDER BY THE INCH
 

#UEG0618S0249
 

8D-2230: TRACTOR TO SCRAPER LINES

TRACTOR TO SCRAPER LINES (8D2230 N/S)--Part 3 of 5
Serial No. 52U310-Up
9J427 Valve parts are shown on Page 137C
c144515 UEG0618S
8D2230 TRACTOR TO SCRAPER LINES Parts scheme
  For full view, you need register

Parts for your 623 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1B-4204 [3] NUT  
2. 8J-2090 [3] ROD  
3. 7F-8092 [3] KNOB  
4. 8D-1628 [1] HOSE ASSEM. (50.25 in. Long)  
5. 2H-6338 [1] SEAL  
6. 9S-8010 [1] PLUG  
7. 2S-4078 [1] SEAL  
8. 8D-5208 [1] TUBE ASSEM.  
9. [1] FLANGE  
10. 4J-0522 [4] SEAL  
11. 0T-0065 C [3] BOLT  
12. 3B-4506 [3] LOCKWASHER  
13. 1A-8537 [4] BOLT  
14. 1D-4720 [4] NUT  
15. 3B-4510 [12] LOCKWASHER  
16. 1P-4585 [2] FLANGE  
17. 2H-6338 [1] SEAL  
18. 8D-1976 [1] TUBE ASSEM.  
19. 5P-0598 C [4] CLAMP  
20. 8D-3216 [1] CLIP (9.20 in. long)  
  8D-3215 [1] CLIP (7.16 in. long)  
21. 0S-1585 [1] BOLT  
22. 3B-4508 [5] LOCKWASHER  
23. 4B-4280 [1] WASHER  
24. 9F-7283 [1] SEAL  
25. 8D-1555 [1] TUBE ASSEM.  
  8H-7521 [1] SEAL  
26. 8D-0481 [1] HOSE  
27. 0S-1589 [4] BOLT  
28. 3B-3507 [12] LOCKWASHER  
29. 7D-7985 [1] ELBOW  
30. 5P-0599 C [2] CLAMP  
31. 7D-8094 [1] HOSE  
32. 7D-8032 [1] ELBOW  
33. 8D-1991 [1] TUBE ASSEM.  
34. 6D-4597 [1] ADAPTER  
35. 0S-1587 [4] BOLT  
36. 9S-3888 [1] SEAL  
37. 8D-1531 [1] TUBE  
38. 1A-1135 [4] BOLT  
39. 2S-6662 H HOSE 4 in.  
40. 0T-0768 [8] BOLT  
41. 3B-8428 [2] BOLT (3.25 in. long)  
  0T-0319 [2] BOLT (2 in. long)  
42. 9J-0427 YC [1] VALVE GROUP  
    (Separate Illustration)
43. 5M-8500 C [1] KNOB  
44. 3L-2139 C [1] ROD  
45. 1B-4203 C [1] NUT  
46. 8D-3786 C [3] MOUNTING  
47. 1D-4717 C [3] NUT  
  7K-3222 [6] WASHER  
  H   ORDER BY THE INCH
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

Information:

Caterpillar Parts SIS Catalog 623 :

STEERING SERVO-RECEIVER MOUNTING AND CYLINDER
8D-3110 STEERING SERVO-RECEIVER MOUNTING AND CYLINDER
STEERING CYLINDER GROUP
5J-7977 STEERING CYLINDER GROUP
STEERING CYLINDER GROUP
5J-8606 STEERING CYLINDER GROUP
CYLINDER GP-STEER
5J-1326 CYLINDER GP-STEER
STEERING LINES GROUP
8J-4933 STEERING LINES GROUP
STEERING LINES
8D-2220 STEERING LINES
STEERING LINES
8D-2220 STEERING LINES
STEERING LINES
8D-2220 STEERING LINES
VALVE GP-CONTROL
8J-4420 VALVE GP-CONTROL
TRACTOR TO SCRAPER LINES
8D-2230 TRACTOR TO SCRAPER LINES
TRACTOR TO SCRAPER LINES
8D-2230 TRACTOR TO SCRAPER LINES
TRACTOR TO SCRAPER LINES
8D-2230 TRACTOR TO SCRAPER LINES
TRACTOR TO SCRAPER LINES
8D-2230 TRACTOR TO SCRAPER LINES
TRACTOR TO SCRAPER LINES
8D-2230 TRACTOR TO SCRAPER LINES
TRACTOR TO SCRAPER LINES
8D-2230 TRACTOR TO SCRAPER LINES
TRACTOR TO SCRAPER LINES
8D-2230 TRACTOR TO SCRAPER LINES

Truck sale:

Caterpillar 623K, Road Scraper, Construction
775,000 
Caterpillar 623K, Road Scraper, Construction
- Road Scraper
HOLT OF CALIFORNIA
Caterpillar 623K, Road Scraper, Construction
930,000 
Caterpillar 623K, Road Scraper, Construction
- Road Scraper
ALTORFER INDUSTRIES
Caterpillar 623K, Road Scraper, Construction
855,000 
Caterpillar 623K, Road Scraper, Construction
- Road Scraper
HOLT OF CALIFORNIA
Caterpillar 623K, Road Scraper, Construction
845,000 
Caterpillar 623K, Road Scraper, Construction
- Road Scraper
HOLT OF CALIFORNIA
Caterpillar 623K, Road Scraper, Construction
485,000 
Caterpillar 623K, Road Scraper, Construction
- Road Scraper
WAGNER EQUIPMENT CO
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