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4T367 CHECK VALVE GROUP Serial No. 36V2479-Up Part of 8J7822 Draft Frame Lines Group shown on Page 7S 621B


HYDRAULIC SYSTEM
VALVE GP-CHECK
IMPLEMENTS
APRON GP
HYDRAULIC SYSTEM
CYLINDER GP
IMPLEMENTS
APRON GP
WORK TOOLS
GROUND ENGAGING TOOLS (G.E.T.)
IMPLEMENTS
APRON GP
BOWL GP

WHEEL SCRAPER 621B WHEEL SCRAPER 36V
 621B SCRAPER 36V00001-UP (MACHINE) UEG0808S 621B 36V   (1973)

HYDRAULIC SYSTEM

VALVE GP-CHECK
VALVE GP-CHECK
8J-8564 VALVE GP-CHECK
VALVE GP-CHECK
8J-8565 VALVE GP-CHECK
VALVE GP-CHECK
4T-0366 VALVE GP-CHECK
VALVE GP-CHECK
4T-0367 VALVE GP-CHECK
 

#UEG0808S0040
 

4T-0367: VALVE GP-CHECK

4T367 CHECK VALVE GROUP
Serial No. 36V2479-Up
Part of 8J7822 Draft Frame Lines Group shown on Page 7S
c235126 UEG0808S
4T0367 VALVE GP-CHECK Parts scheme
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Parts for your 621B WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7M-8485 [2] SEAL-O-RING  
2. 8J-8559 [1] PLUG  
3. 5M-7883 [1] SPRING  
4. 9S-4684 [1] PLUG-O-RING  
5. 3J-1907 [1] SEAL  
6. 2S-2596 [1] SPRING  
7. 1J-8497 [1] VALVE  
8. 5B-6578 [1] SPRING-VALVE  
9. 9S-9334 [1] PLUG  
 

#UEG0808S0041
 

8J-7827: APRON GP

8J7827 APRON GROUP
c201407 UEG0808S
8J7827 APRON GP Parts scheme
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Parts for your 621B WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-7821 [1] APRON ASSEM.  
    (Includes)
2. 8J-7853 [1] SIDE ASSEM. (R.H.)  
    (Includes)
3. 5F-0183 [2] PLATE  
4. 7J-4982 [1] BEARING  
5. 8J-7852 [1] SIDE ASSEM. (L.H.)  
    (Includes)
6. 5F-0183 [2] PLATE  
7. 7J-4982 [1] BEARING  
8. 7J-4983 [2] CAP  
9. 0S-1595 [1] BOLT  
  3B-4508 [1] LOCKWASHER  
10. 5J-1449 [1] SHAFT ASSEM.  
11. 1A-5576 [4] BOLT  
12. 7J-4981 [2] TRUNNION  
13. 1A-1460 [16] BOLT  
 

#UEG0808S0042
 

4T-3752: APRON GP

4T3752 APRON GROUP
c326145 UEG0808S
4T3752 APRON GP Parts scheme
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Parts for your 621B WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4T-6291 [1] APRON AS  
2. 5J-1449 [1] PIN AS  
3. 0S-1595 [1] BOLT  
  5P-8245 [1] WASHER  
4. 7J-4983 [2] CAP-BEARING  
5. 1A-1460 [16] BOLT  
6. 7J-4981 [2] TRUNNION  
7. 1A-5576 [4] BOLT  
 

#UEG0808S0043
 

5J-0778: CYLINDER GP-APRON

5J778 APRON CYLINDER GROUP (Change 0-4)--7.25" Bore x 23.50" Stroke
Serial No. 36V1 to 36V1395 Inclusive
c139579 UEG0808S
5J0778 CYLINDER GP-APRON Parts scheme
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Parts for your 621B WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3J-9545 [1] NUT  
2. 3J-7848 [1] RING  
3. 5J-0777 R [1] CYLINDER ASSEM.  
4. 3J-6412 [2] BEARING  
5. 2K-2939 [1] SEAL  
6. 2K-2940 [1] RING  
7. 5F-3498 [1] PACKING  
8. 5F-3500 [6] SHIM  
9. 5J-7036 [1] WIPER  
    -OR-
  1J-3540 [1] SEAL (Lip Type)  
10. 5J-0771 R [1] ROD ASSEM.  
11. 3J-6412 [2] BEARING  
12. 0S-1591 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
13. 2J-0491 [1] RETAINER  
14. 1J-2175 [4] BOLT  
  3B-4518 [4] LOCKWASHER  
15. 5J-0769 [1] HEAD  
16. 5J-0772 [1] PISTON  
17. 5J-4993 [2] SEAL ASSEM.  
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0808S0044
 

5J-0778: CYLINDER GP-APRON

5J778 APRON CYLINDER GROUP (Change 5)--184 mm (7.25") Bore x 596 mm (23.50") Stroke
Serial No. 36V1396-Up
c213250 UEG0808S
5J0778 CYLINDER GP-APRON Parts scheme
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Parts for your 621B WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3J-9545 [1] NUT-SELF LOCKING  
2. 3J-7848 [1] RING-WEAR  
3. 5J-0777 R [1] CYLINDER AS  
4. 3J-6412 [2] BEARING-SLEEVE  
5. 2K-2939 [1] SEAL-O-RING  
6. 2K-2940 [1] RING-BACK-UP  
7. 5J-8275 C [1] SEAL-U-CUP  
8. 6J-6553 C [1] SEAL-RING  
9. 1J-3540 [1] SEAL-LIP TYPE  
10. 5J-0771 R [1] ROD AS  
11. 3J-6412 [2] BEARING-SLEEVE  
12. 1J-2175 [4] BOLT  
  3B-4518 [4] LOCKWASHER  
13. 3G-1727 C [1] HEAD  
14. 5J-0772 [1] PISTON  
15. 5J-4993 [2] SEAL AS  
  C   CHANGE FROM PREVIOUS TYPE
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0808S0045
 

8J-7761: LIFT GP-APRON

8J7761 APRON LIFT GROUP
Serial No. 36V1 to 36V1930 inclusive
c168461 UEG0808S
8J7761 LIFT GP-APRON Parts scheme
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Parts for your 621B WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5J-2829 [1] FRAME ASSEM.  
    (Includes)
2. 3J-3953 [2] BEARING  
  5J-2777 [1] SPACER  
3. 7J-4264 [1] PIN ASSEM.  
4. 4J-0622 [8] WASHER  
5. 0S-1595 [2] BOLT (1.25 in. long)  
6. 4B-4280 C [2] WASHER  
7. 5J-2831 [1] PIN ASSEM.  
8. 8J-7760 [1] LINK ASSEM.  
    (Includes)
9. 2K-0045 C [2] BUSHING  
10. 5J-2834 [1] PIN ASSEM.  
11. 4B-4043 [1] BOLT 34.9 mm(1.375 in.) long  
  4B-4281 C [1] WASHER  
  C   INDICATES CHANGE
 

#UEG0808S0046
 

6J-0441: EDGE GP-CUTTING

6J441 CUTTING EDGE GROUP
PROVIDES A 1.125 INCH THICK CUTTING EDGE
WITH STINGER ATTACHMENT
AN ATTACHMENT
UEG0808S0046 UEG0808S
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Parts for your 621B WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5J-6881 [2] CUTTING EDGE (END)  
  6J-0440 [1] CUTTING EDGE (CENTER)  
  1J-5607 [19] BOLT  
 

#UEG0808S0047
 

7J-4890: CUTTING EDGE GROUP

7J4890 CUTTING EDGE GROUP
PROVIDES A 1.125 INCH THICK CUTTING EDGE
FOR LEVEL CUT
AN ATTACHMENT
UEG0808S0047 UEG0808S
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Parts for your 621B WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  6J-0440 [1] CUTTING EDGE (CENTER)  
  7J-4805 [2] CUTTING EDGE (END)  
 

#UEG0808S0048
 

8J-7761: LIFT GP-APRON

8J7761 APRON LIFT GROUP
Serial No. 36V1931-Up
c232415 UEG0808S
8J7761 LIFT GP-APRON Parts scheme
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Parts for your 621B WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1U-0635 C [1] FRAME ASSEM.  
2. 3J-3953 [2] BEARING  
  5J-2777 [1] SPACER  
3. 4J-0622 [8] WASHER  
4. 1U-0227 C [1] PIN ASSEM.  
5. 031-9253 C [4] BOLT  
  5P-8248 C [4] WASHER  
6. 3G-6055 C [2] PLATE  
7. 1U-0228 C [1] PIN ASSEM.  
8. 8J-7760 [1] LINK ASSEM.  
9. 2K-0045 [2] BUSHING  
10. 1U-0226 C [1] PIN ASSEM.  
11. 4T-1159 C [1] PLATE  
12. 031-9253 C [2] BOLT 38.1 mm(1.1 in.)  
  5P-8248 C [2] WASHER  
    - OR -
  7H-2069 C [2] BOLT 25.4 mm(1 in.)  
  C   INDICATES CHANGE
 

#UEG0808S0049
 

8J-7891: BOWL GP-SCRAPER

8J7891 BOWL GROUP--Part 1 of 2
Serial No. 36V1 to 36V935 inclusive
c227603 UEG0808S
8J7891 BOWL GP-SCRAPER Parts scheme
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Parts for your 621B WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-7905 [1] BOWL ASSEM.  
    (Includes)
  6J-1435 [1] PLATE  
2. 9J-0262 [2] BRACKET  
3. 8J-5178 [1] BLOCK  
4. 9J-1546 [1] FENDER ASSEM. (L.H.)  
5. 5J-2328 [2] RAIL ASSEM.  
6. 5J-3044 [2] PLATE  
7. 5J-1395 [2] PIVOT  
8. 9J-1545 [1] FENDER ASSEM. (R.H.)  
9. 5J-0950 [1] SUPPORT  
10. 5H-6106 [2] LUG  
11. 3R-4987 [1] BOSS  
12. 5J-7333 [2] HOOK  
13. 8F-9836 [13] LUG  
14. 6J-5298 [1] BRACKET ASSEM.  
    (Includes)
  5J-2497 C [1] BRACKET  
15. 9J-0903 C [1] REINFORCEMENT (R.H.)  
16. 9J-0904 C [1] REINFORCEMENT (L.H.)  
17. 4J-5193 [2] PIN  
18. 2A-1538 [2] BOLT  
  3B-4512 [2] LOCKWASHER  
19. 5J-5784 [4] SPACER  
20. 5J-1980 [2] PIN  
  C   INDICATES CHANGE
 

Information:

Specifications
Carry Check And Quick Drop Valve<BR> (8J8564, 8J8565 - Earlier); (4T366, 4T367 - Later)
621B & 627B SCRAPERS HYDRAULIC SYSTEM
Disassembly and Assembly
Double Check Valve
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Quick Drop Check Valves
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Service Magazine
Improved Bowl Carry-Check Valve Has Less Internal Leakage{5321}
1984/06/04
New Check Valve Groups With External Check Valve for Scraper Bowl Carry Prevent Vibration When Lowering Scraper Bowl {5321}
1998/02/09

Caterpillar Parts SIS Catalog 621B :

VALVE GP-CHECK
4T-0366 VALVE GP-CHECK
VALVE GP-CHECK
8J-8565 VALVE GP-CHECK
VALVE GP-CHECK
8J-8564 VALVE GP-CHECK
8J-7822 LINES GP-DRAFT FRAME
8J-7822 LINES GP-DRAFT FRAME
LINES GP-DRAFT FRAME
8J-7822 LINES GP-DRAFT FRAME
8J-7822 LINES GP-DRAFT FRAME
8J-7822 LINES GP-DRAFT FRAME
APRON GP
8J-7827 APRON GP
APRON GP
4T-3752 APRON GP
CYLINDER GP-APRON
5J-0778 CYLINDER GP-APRON
CYLINDER GP-APRON
5J-0778 CYLINDER GP-APRON
LIFT GP-APRON
8J-7761 LIFT GP-APRON
6J-0441 EDGE GP-CUTTING
7J-4890 CUTTING EDGE GROUP
LIFT GP-APRON
8J-7761 LIFT GP-APRON

Truck sale:

Caterpillar 621B
 
Caterpillar 621B
- Road Scraper
MACALLISTER MACHINERY CO., INC
Caterpillar 621B
 
Caterpillar 621B
- Road Scraper
MACALLISTER MACHINERY CO., INC
Caterpillar 621B
 
Caterpillar 621B
- Road Scraper
FINNING CANADA
Caterpillar 621B, Road Scraper, Construction
46,500 
Caterpillar 621B, Road Scraper, Construction
- Road Scraper
QUINN COMPANY
Caterpillar 621B, Road Scraper, Construction
46,500 
Caterpillar 621B, Road Scraper, Construction
- Road Scraper
QUINN COMPANY
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