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CUSHION HITCH LINES (7J9582 N/S) Serial No. 23H4299 to 23H4528 inclusive 621 WHEEL TRACTOR


HYDRAULIC SYSTEM
LINES GP-HYDRAULIC
ACCUMULATOR GP
PUMP GP

WHEEL TRACTOR 621 WHEEL TRACTOR 23H
 621 TRACTOR 23H04299-UP (MACHINE) UEG0630S 621 23H   (1966)

HYDRAULIC SYSTEM

LINES GP-HYDRAULIC
CUSHION HITCH LINES
7D-8650 CUSHION HITCH LINES
CUSHION HITCH LINES
7D-8650 CUSHION HITCH LINES
CUSHION HITCH LINES
7J-9582 CUSHION HITCH LINES
CUSHION HITCH LINES
7J-9582 CUSHION HITCH LINES
CUSHION HITCH LINES
7J-9582 CUSHION HITCH LINES
HYDRAULIC OIL LINES GROUP
8J-8798 HYDRAULIC OIL LINES GROUP
 

#UEG0630S0280
 

7J-9582: CUSHION HITCH LINES

CUSHION HITCH LINES (7J9582 N/S)
Serial No. 23H4299 to 23H4528 inclusive
c140272 UEG0630S
7J9582 CUSHION HITCH LINES Parts scheme
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Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-0663 [1] TUBE ASSEM.  
  6J-3650 [1] SEAL  
2. 6J-3625 [3] SEAL  
3. 0T-0573 [4] BOLT  
4. 3B-4506 [6] LOCKWASHER  
5. 0S-1595 [3] BOLT  
6. 3B-4508 C [16] LOCKWASHER  
7. 0S-1587 [8] BOLT  
8. 6F-5282 [3] BOLT  
9. 1D-4719 C [3] NUT  
10. 8J-2910 [1] YOKE  
11. 3K-5601 [1] PIN  
12. 3B-4615 [2] COTTER PIN  
13. 4H-1477 [1] PIN  
14. 8J-2909 [1] ADAPTER  
15. 5B-9079 [1] NUT  
16. 7J-9581 [1] YOKE ASSEM.  
17. 4K-1540 [1] PIN  
18. 3B-4617 [2] COTTER PIN  
19. 8J-0659 [1] ADAPTER ASSEM.  
20. 3H-1977 [1] PIN  
21. 8J-1081 [1] SPRING  
22. 8J-7225 [2] PLATE  
23. 0L-2070 [2] BOLT  
  1D-4717 [2] NUT  
  4B-4278 [2] WASHER  
24. 8J-0661 [1] PLATE  
25. 3B-8428 [4] BOLT  
  3B-4507 [4] LOCKWASHER  
26. 8J-1071 [1] MANIFOLD  
27. 7J-9573 [2] PLATE  
28. 0S-1585 [2] BOLT  
  0V-0531 C [2] WASHER  
29. 1D-4627 C [2] BOLT  
  1B-4332 C [2] NUT  
  3B-4514 C [2] LOCKWASHER  
  4B-4284 C [2] WASHER  
30. 7J-9580 [1] BRACKET ASSEM.  
  C   INDICATES CHANGE
 

#UEG0630S0281
 

7J-9582: CUSHION HITCH LINES

CUSHION HITCH LINES (7J9582 N/S)
Serial No. 23H4529 to 23H4738 inclusive
c146062 UEG0630S
7J9582 CUSHION HITCH LINES Parts scheme
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Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-0663 [1] TUBE ASSEM.  
  6J-3650 [1] SEAL  
2. 6J-3625 C [4] SEAL  
3. 0T-0573 [4] BOLT  
4. 3B-4506 [6] LOCKWASHER  
5. 0S-1595 [3] BOLT  
6. 3B-4508 [16] LOCKWASHER  
7. 0S-1587 [4] BOLT  
8. 6F-5282 [3] BOLT  
9. 1D-4719 [3] NUT  
10. 8J-2910 [1] YOKE  
11. 3K-5601 [1] PIN  
12. 3B-4615 [2] COTTER PIN  
13. 4H-1477 [1] PIN  
14. 8J-2909 [1] ADAPTER  
15. 5B-9079 [1] NUT  
16. 7J-9581 [1] YOKE ASSEM.  
17. 4K-1540 [1] PIN  
18. 3B-4617 [2] COTTER PIN  
19. 8J-0659 [1] ADAPTER ASSEM.  
20. 3H-1977 [1] PIN  
21. 8J-1081 [1] SPRING  
22. 8J-7225 [2] PLATE  
23. 0L-2070 [2] BOLT  
  1D-4717 [2] NUT  
  4B-4278 [2] WASHER  
24. 8J-0661 [1] PLATE  
25. 3B-8428 [4] BOLT  
  3B-4507 [4] LOCKWASHER  
26. 8J-1071 [1] MANIFOLD  
27. 9J-1877 C [2] PLATE  
28. 0S-1585 [2] BOLT  
  0V-0531 [2] WASHER  
29. 1D-4627 [2] BOLT  
  1B-4332 [2] NUT  
  3B-4514 [2] LOCKWASHER  
  4B-4284 [2] WASHER  
30. 7J-9580 [1] BRACKET ASSEM.  
31. 2B-0947 C [4] BOLT  
32. 9J-1670 C [1] SPACER  
  C   INDICATES CHANGE
 

#UEG0630S0282
 

7J-9582: CUSHION HITCH LINES

CUSHION HITCH LINES (7J9582 N/S)
Serial No. 23H4739-Up
c200441 UEG0630S
7J9582 CUSHION HITCH LINES Parts scheme
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Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-0663 [1] TUBE ASSEM.  
  6J-3650 [1] SEAL  
2. 6J-3625 [4] SEAL  
3. 0T-0573 [4] BOLT  
4. 3B-4506 [6] LOCKWASHER  
5. 0S-1595 [3] BOLT  
6. 3B-4508 [16] LOCKWASHER  
7. 0S-1587 [4] BOLT  
8. 6F-5282 [3] BOLT  
9. 1D-4719 [3] NUT  
10. 8J-2910 [1] YOKE  
11. 3K-5601 [1] PIN  
12. 3B-4615 [2] COTTER PIN  
13. 4H-1477 [1] PIN  
14. 8J-2909 [1] ADAPTER  
15. 5B-9079 [1] NUT  
16. 7J-9581 [1] YOKE ASSEM.  
17. 4K-1540 [1] PIN  
18. 3B-4617 [2] COTTER PIN  
19. 8J-0659 [1] ADAPTER ASSEM.  
20. 1K-6925 C [1] PIN  
21. 8J-1081 [1] SPRING  
22. 8J-7225 [2] PLATE  
23. 0L-2070 [2] BOLT  
  1D-4717 [2] NUT  
  4B-4278 [2] WASHER  
24. 8J-0661 [1] PLATE  
25. 3B-8428 [4] BOLT  
  3B-4507 [4] LOCKWASHER  
26. 8J-1071 [1] MANIFOLD  
27. 9J-1877 [2] PLATE  
28. 0S-1585 [2] BOLT  
  0V-0531 [2] WASHER  
29. 1D-4627 [2] BOLT  
  1B-4332 [2] NUT  
  3B-4514 [2] LOCKWASHER  
  4B-4284 [2] WASHER  
30. 7J-9580 [1] BRACKET ASSEM.  
31. 2B-0947 [4] BOLT  
32. 9J-1670 [1] SPACER  
  C   INDICATES CHANGE
 

#UEG0630S0283
 

8J-6323: ACCUMULATOR GROUP

8J6323 ACCUMULATOR GROUP
c115303 UEG0630S
8J6323 ACCUMULATOR GROUP Parts scheme
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Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6J-0366 [1] VALVE ASSEM.  
  6J-0368 [1] CAP  
  5J-5148 [1] CORE  
2. 5M-6708 [1] WASHER  
3. 0S-1590 [2] BOLT  
4. 3B-4506 [9] LOCKWASHER  
5. 5J-1583 [3] SEAL  
6. 7J-5352 [1] ACCUMULATOR ASSEM.  
7. 8J-1543 [1] TUBE ASSEM.  
8. 7J-5311 [1] PLATE  
9. 0S-1588 [4] BOLT  
10. 0S-1571 [3] BOLT  
11. 7J-4699 [1] COVER ASSEM.  
12. 6B-7469 [3] SPACER  
13. 1D-4627 [6] BOLT  
14. 7J-4704 [1] HEAD  
15. 2K-4096 [1] RING  
16. 5F-3144 [1] SEAL  
17. 7J-4706 [1] PISTON  
18. 6J-9354 [2] SEAL ASSEM.  
19. [1] MANIFOLD  
 

#UEG0630S0284
 

8D-1995: PUMP GP-GEAR 1 HO

GEAR PUMP (8D1995 N/S)
c115294 UEG0630S
8D1995 PUMP GP-GEAR 1 HO Parts scheme
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Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1D-4717 [2] NUT  
  3B-4506 [2] LOCKWASHER  
2. 6D-1004 [1] GASKET  
3. 8D-1586 [1] COUPLING  
4. 8J-0279 [1] PUMP GROUP  
5. 5L-4183 [8] BOLT  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  8J-0420 [1] KIT (Seal)  
    (Consists of Seals and Rings)
 

#UEG0630S0285
 

8D-2660: VANE PUMP

VANE PUMP (8D2660 N/S)
c116156 UEG0630S
8D2660 VANE PUMP Parts scheme
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Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7J-0601 Y [1] PUMP GROUP  
    (Separate Illustration)
2. 1D-4720 [2] NUT  
  3B-4510 [2] LOCKWASHER  
3. 5F-3106 [1] SEAL  
  Y   SEPARATE ILLUSTRATION
 

#UEG0630S0286
 

9J-5136: VANE PUMP GROUP

9J5136 VANE PUMP GROUP
Provides Field Replacement for 7J601 shown on Page 147
c156355 UEG0630S
9J5136 VANE PUMP GROUP Parts scheme
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Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  J [2] PIN  
  J [2] SCREW  
  L [2] PIN  
  L [2] SCREW  
  L [1] ROTOR  
  2J-8163 H [1] SEAL  
  4J-9220 H [1] RING  
  2H-3928 H [1] SEAL  
  4J-7781 [1] COVER  
  1H-5728 H [1] SEAL  
  4J-9225 H [1] RING  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  9J-5108 [1] KIT (Seal)  
    (Consists of Parts Marked H)
  7J-0575 [1] CARTRIDGE ASSEM.  
    (38 gallons per minute)
    (Consists of parts marked L)
  6J-1101 R [1] CARTRIDGE ASSEM.  
    (50 gallons per minute)
    (Consists of parts marked J)
  L [1] PLATE  
  4J-7945 [4] BOLT  
  L [1] RING  
  L [10] VANE  
  L [10] INSERT  
  7J-4076 [4] DAMPER  
    (Part of 7J3977 Assem.)
  L [1] PLATE  
  J [1] PLATE ASSEM.  
  8J-1578 [1] COVER ASSEM.  
    (Includes)
  7J-4076 [8] DAMPER  
  J [1] ROTOR  
  9J-5120 [1] BODY  
  4J-9221 H [1] RING  
  5F-3106 H [1] SEAL  
  6H-3977 H [1] SEAL  
  1S-0668 H [1] RING  
  3J-7719 [1] RING  
  3L-1425 [1] BEARING  
  2J-7764 H [1] SEAL  
  9J-5151 H [1] SEAL  
  9J-5088 [1] SHAFT  
  4H-0407 H [1] PLUG  
  2J-7763 [1] WASHER  
  1J-6474 [1] RING  
  J [1] PLATE  
  2H-3935 H [1] SEAL  
  J [10] VANE  
  J [10] INSERT  
  J [1] RING  
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0630S0287
 

9J-5136: VANE PUMP GROUP

9J5136 VANE PUMP GROUP--Type 2
Provides Field Replacement for 7J601 shown on Page 147
3G2747 and 3G2836 Cartridge parts are shown on Page 146C
c165300 UEG0630S
9J5136 VANE PUMP GROUP Parts scheme
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Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-2836 YC [1] CARTRIDGE ASSEM. (38 gpm)  
2. 3G-2747 YC [1] CARTRIDGE ASSEM. (50 gpm)  
    (Separate Illustration)
3. 3J-7719 [1] RING  
4. 3L-1425 [1] BEARING  
5. 2J-7763 [1] WASHER  
6. 2J-7764 [1] SEAL  
7. 9J-5151 [1] SEAL  
8. 1J-6474 [1] RING  
9. 9J-5088 [1] SHAFT  
10. 3G-2632 C [1] PLUG  
11. 9J-5120 [1] BODY  
12. 8J-1578 [1] COVER ASSEM.  
    (Includes)
  7J-4076 [8] DAMPER  
13. 4J-7781 [1] COVER  
14. 4J-7945 [4] BOLT  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0630S0288
 

3G-2747: CARTRIDGE GROUP

3G2747 CARTRIDGE GROUP
Part of 9J5136 Vane Pump Group shown on Page 146B
c165288 UEG0630S
3G2747 CARTRIDGE GROUP Parts scheme
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Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-2241 [4] RETAINER  
2. 3G-2240 [4] SEAL  
3. 2H-3935 [1] SEAL  
4. 3G-2242 [1] SEAL  
5. 1S-0668 [1] RING  
6. 6H-3977 [1] SEAL  
 

#UEG0630S0289
 

3G-2836: CARTRIDGE GROUP

3G2836 CARTRIDGE GROUP
Part of 9J5136 Vane Pump Group shown on Page 146B
c164928 UEG0630S
3G2836 CARTRIDGE GROUP Parts scheme
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Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-1264 [4] RETAINER  
2. 3G-1265 [4] SEAL  
3. 2J-8163 [1] SEAL  
4. 3G-1820 [1] RING  
5. 4J-9225 [1] RING  
6. 1H-5728 [1] SEAL  
 

Information:

Special Instruction
Hose and Coupling Assembly and Repair Process Guide{0684, 3016, 3103, 3154, 4133, 4257, 4304, 5057, 7554}
Hose and Coupling Assembly and Repair Process Guide{0684, 3016, 3103, 3154, 4133, 4257, 4304, 5057, 7554}
New Hose Couplings Are Now Used{0684, 5057, 5057, 7554}
New Hose Couplings Are Now Used{0684, 5057, 5057, 7554}
O-Rings - Radial, Fitting Assembly O-Rings and Other O-Ring Applications {0599, 0738, 4000, 4250, 4300, 5050, 5057, 7555}
O-Rings - Radial, Fitting Assembly O-Rings and Other O-Ring Applications {0599, 0738, 4000, 4250, 4300, 5050, 5057, 7555}
Technical Information Bulletin
Some Hydraulic Couplings are Identified with an Incorrect Part Number{5057}
Some Hydraulic Couplings are Identified with an Incorrect Part Number{5057}
The Flange Head on <NOBR>442-5593</NOBR> Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}
Specifications
Scraper Control Valve<BR> (5J8787, 6J21 and 7J5779)
J621 ELEVATING SCRAPER HYDRAULIC SYSTEM
Tool Operating Manual
358-4528 (380/480 V, 50/60 Hz, 3 Phase), 457-6040 (230V, 60 Hz, Single Phase) , 457-6039 (230V, 50 Hz, Single Phase) Hose Machine Group Set-Up and Operation{0599, 0684}
358-4528 (380/480 V, 50/60 Hz, 3 Phase), 457-6040 (230V, 60 Hz, Single Phase) , 457-6039 (230V, 50 Hz, Single Phase) Hose Machine Group Set-Up and Operation{0599, 0684}
Crimputer III Setup and Operation{0684, 5057}
Crimputer III Setup and Operation{0684, 5057}
242-3567 Variable Crimp Die Bowl{0684}
242-3567 Variable Crimp Die Bowl{0684}
Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}
Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}
Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}
Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Converting 137-7238 Hose Assembly Machines and 134-5640 Hose Assembly Machines (100 Ton) from Sony Control to Crimputer Control{0374, 0599, 0684, 5057}
Converting 137-7238 Hose Assembly Machines and 134-5640 Hose Assembly Machines (100 Ton) from Sony Control to Crimputer Control{0374, 0599, 0684, 5057}
Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}
Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}
Using the 9U-5792, 4C-5052, 4C-5054, 4C-3670, and 4C-3680 Hydraulic Hose Machines{0374, 0599, 0684, 0738, 5057}
Using the 9U-5792, 4C-5052, 4C-5054, 4C-3670, and 4C-3680 Hydraulic Hose Machines{0374, 0599, 0684, 0738, 5057}
Reuse And Salvage Guidelines
Crimputer III Setup and Operation{0684, 5057}
Crimputer III Setup and Operation{0684, 5057}
Contamination Control Guidelines
Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}
Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}
Disassembly and Assembly
Swivel Joint
J621 ELEVATING SCRAPER VEHICLE SYSTEMS
Service Magazine
Stronger Lever Assemblies Are Now Available For Scraper Control Valve Groups{5300,6200}
1980/05/19
New Hose Assemblies Have O-Ring Seals Instead Of Metal Back Seals{5057}
1982/02/15
Color Coded Dust Caps for S&middot;O&middot;S Ports Will Be Available {7770}
2003/12/01
Information Release Memo, HOS04-02, "XT-6 Hose and Couplings to XT-6 ES Components" Is Available {5057}
2004/06/21
Information Release Memo, PELJ0340 , "Reusable Couplings for Caterpillar -12 and -16 XT-6 ES Hose" {5057}
2004/06/28
Five New Wrenches Remove Snap To Connect Couplings from Hydraulic Hose Assemblies {0602, 0738, 5057}
2006/02/13
Caterpillar Hose and Coupling Practices {0618, 1000, 5057, 7000}
2008/05/26
Hydraulic Hose Suppression Sleeves for Certain Machines are Now Available {5057}
Hydraulic Hose Suppression Sleeves for Certain Machines are Now Available {5057}

Caterpillar Parts SIS Catalog 621 :

CUSHION HITCH LINES
7D-8650 CUSHION HITCH LINES
CUSHION HITCH LINES
7D-8650 CUSHION HITCH LINES
CUSHION HITCH LINES
7D-8650 CUSHION HITCH LINES
CUSHION HITCH LINES
7D-8650 CUSHION HITCH LINES
CUSHION HITCH LINES
7D-8650 CUSHION HITCH LINES
CUSHION HITCH LINES
7D-8650 CUSHION HITCH LINES
CUSHION HITCH LINES
7D-8650 CUSHION HITCH LINES
CUSHION HITCH LINES
7D-8650 CUSHION HITCH LINES
CUSHION HITCH LINES
7J-9582 CUSHION HITCH LINES
CUSHION HITCH LINES
7J-9582 CUSHION HITCH LINES
ACCUMULATOR GROUP
8J-6323 ACCUMULATOR GROUP
PUMP GP-GEAR 1 HO
8D-1995 PUMP GP-GEAR 1 HO
VANE PUMP
8D-2660 VANE PUMP
VANE PUMP GROUP
9J-5136 VANE PUMP GROUP
VANE PUMP GROUP
9J-5136 VANE PUMP GROUP
CARTRIDGE GROUP
3G-2747 CARTRIDGE GROUP

Truck sale:

Caterpillar 621K WT, water trucks, Transport
699,500 
Caterpillar 621K WT, water trucks, Transport
- water trucks
HOLT OF CALIFORNIA
Caterpillar 621K, Road Scraper, Construction
379,500 
Caterpillar 621K, Road Scraper, Construction
- Road Scraper
ALTORFER INC.
 
826,455 
Caterpillar 621K, Road Scraper, Construction


Caterpillar 621K, Road Scraper, Construction
500,000 
Caterpillar 621K, Road Scraper, Construction

HOLT CAT
Caterpillar 621K, Road Scraper, Construction
435,000 
Caterpillar 621K, Road Scraper, Construction

CAROLINA CAT
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