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EMERGENCY BRAKE CONTROL (7D3820 N/S)--As Viewed from Rear Right Hand Side of Machine--Part 2 of 2 Serial No. 66K1 to 66K222 inclusive. 4D487 and 2R619 Valve parts are shown on Page 138 666B




BRAKING SYSTEM

CONTROL GP
 

#UEG0108S0390
 

7D-3820: EMERGENCY BRAKE CONTROL

EMERGENCY BRAKE CONTROL (7D3820 N/S)--As Viewed from Rear Right Hand Side of Machine--Part 2 of 2
Serial No. 66K1 to 66K222 inclusive. 4D487 and 2R619 Valve parts are shown on Page 138
c108013 UEG0108S
  For full view, you need register

Parts for your 666B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5H-4778 [1] UNION  
2. 4S-7565 [1] HOSE ASSEM.  
3. 9M-8406 [6] CLIP  
4. 1A-2029 [5] BOLT  
5. 3B-4506 [8] LOCKWASHER  
6. 6D-3784 [1] RESERVOIR ASSEM.  
7. 4B-4845 [2] PLUG  
8. 1H-8306 [1] SCREW  
9. 2H-5202 [1] BODY  
10. 4J-8648 [2] STRIP  
11. 2L-3331 [1] UNION  
12. 6D-4246 [3] CLIP  
13. 0S-0509 [2] BOLT  
14. 6D-9599 [1] HOSE ASSEM.  
15. 8M-9727 [1] ELBOW  
16. 4D-0487 Y [1] VALVE  
    (See Separate Illustration)
17. 2D-0193 [1] UNION  
18. 4J-3914 [1] UNION  
19. 7J-0482 [1] ELBOW  
20. 2R-0619 Y [1] VALVE ASSEM.  
    (See Separate Illustration)
21. 7D-3964 [1] HOSE ASSEM. (108" long overall)  
22. 1D-4717 [2] NUT  
23. 3S-4904 [1] VALVE ASSEM.  
24. 5M-6213 [1] PLUG  
25. 3L-7055 [1] UNION  
  Y   SEPARATE ILLUSTRATION
 

#UEG0108S0391
 

7D-3820: EMERGENCY BRAKE CONTROL

EMERGENCY BRAKE CONTROL (7D3820 N/S)--As Viewed from Rear Right Hand Side of Machine--Part 1 of 2
Serial No. 66K223 to 66K226 inclusive
2R619 and 7D2316 Valve parts are shown on Page 138 and 139
c132452 UEG0108S
  For full view, you need register

Parts for your 666B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7D-7378 [2] INDICATOR  
2. 7K-0447 [1] HORN ASSEM.  
  2A-0762 [2] BOLT  
  1B-4330 [2] NUT  
  3B-4504 [2] LOCKWASHER  
  4B-4276 [2] WASHER  
3. 7D-2316 Y [1] VALVE ASSEM.  
    (See Separate Illustration)
4. 2L-3402 [1] SWITCH  
5. 7D-7388 [1] SOCKET & WIRE ASSEM.  
  3D-5365 [1] TERMINAL  
  2D-3981 [1] INSULATOR  
    (Parts of 7D7388 Assem.)
6. 4D-6475 [1] UNION  
7. 3D-8884 [1] ELBOW  
8. 6D-0372 [1] WIRE ASSEM.  
9. 7F-9224 [2] TERMINAL  
  2D-3981 [2] INSULATOR  
    (Parts of 6D372 Assem.)
10. 7D-7715 [2] WIRE ASSEM.  
  3D-4467 [2] TERMINAL  
11. 7F-9224 [2] TERMINAL  
  2D-3981 [2] INSULATOR  
    (1 in each 7D7715 Assem.)
12. 7D-4935 [2] WIRE ASSEM.  
13. 7F-9224 [4] TERMINAL  
  2D-3981 [4] INSULATOR  
    (2 each in 7D4935 Assem.)
14. 7D-3956 [1] HOSE ASSEM. (53" long overall)  
15. 6B-5072 [1] BUSHING  
16. 5H-4778 [4] UNION  
17. 4S-7561 [1] HOSE ASSEM.  
18. 5K-5338 [1] CLIP  
19. 9M-8406 [2] CLIP  
20. 0S-1594 [2] BOLT  
21. 1D-4717 [1] NUT  
22. 3B-4506 [1] LOCKWASHER  
23. 7D-3963 [1] HOSE ASSEM. (114" long overall)  
  3D-7587 [1] UNION  
24. 2R-0619 Y [1] VALVE ASSEM.  
    (See Separate Illustration)
  3B-7741 [2] NIPPLE  
25. 4J-3914 [1] UNION  
26. 7J-0482 [1] ELBOW  
27. 4D-9982 [1] SPRING  
28. 5D-0019 [1] BULB  
  4D-9981 [1] LENS  
  7D-7249 [1] PLATE  
  Y   SEPARATE ILLUSTRATION
 

#UEG0108S0392
 

7D-3820: EMERGENCY BRAKE CONTROL

EMERGENCY BRAKE CONTROL (7D3820 N/S)--As Viewed from Rear Right Hand Side of Machine--Part 2 of 2
Serial No. 66K223 to 66K226 inclusive
4D487 and 2R619 Valve parts are shown on Page 138
c132453 UEG0108S
  For full view, you need register

Parts for your 666B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5H-4778 [1] UNION  
2. 4S-7565 [1] HOSE ASSEM.  
3. 9M-8406 [6] CLIP  
4. 1A-2029 [5] BOLT  
5. 3B-4506 [8] LOCKWASHER  
6. 7D-7377 [1] RESERVOIR ASSEM.  
7. 4B-4845 [2] PLUG  
8. 7D-6864 [1] VALVE  
9. 7D-6865 [1] BODY  
10. 4J-8648 [2] STRIP  
11. 2L-3331 [1] UNION  
12. 6D-4246 [3] CLIP  
13. 0S-0509 [2] BOLT  
14. 6D-9599 [1] HOSE ASSEM.  
15. 8M-9727 [1] ELBOW  
16. 4D-0487 Y [1] VALVE  
    (See Separate Illustration)
17. 2D-0193 [1] UNION  
18. 4J-3914 [1] UNION  
19. 7J-0482 [1] ELBOW  
20. 2R-0619 Y [1] VALVE ASSEM.  
    (See Separate Illustration)
21. 7D-3964 [1] HOSE ASSEM. (108" long overall)  
22. 1D-4717 [2] NUT  
23. 3S-4904 [1] VALVE ASSEM.  
24. 5M-6213 [1] PLUG  
25. 3L-7055 [1] UNION  
  Y   SEPARATE ILLUSTRATION
 

#UEG0108S0393
 

7D-3820: EMERGENCY BRAKE CONTROL GROUP

7D3820 EMERGENCY BRAKE CONTROL GROUP--As Viewed from Right Hand Side of Machine--Part 1 of 2
Serial No. 66K227-Up
2R619 and 6D3782 Valve parts are shown on Pages 138 and 186A
c157675 UEG0108S
  For full view, you need register

Parts for your 666B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7D-7378 [2] INDICATOR  
2. 7K-0447 [1] HORN ASSEM.  
  2A-0762 [2] BOLT  
  1B-4330 [2] NUT  
  3B-4504 [2] LOCKWASHER  
  4B-4276 [2] WASHER  
3. 6D-3782 Y [1] VALVE ASSEM.  
    (Separate Illustration)
4. 2L-3402 [1] SWITCH  
5. 7D-7388 [1] SOCKET & WIRE ASSEM.  
    (Includes)
  3D-5365 [1] TERMINAL  
  2D-3981 [1] INSULATOR  
6. 4D-6475 [1] UNION  
7. 5H-8936 [1] ADAPTER  
8. 6D-0372 [1] WIRE ASSEM.  
    (Includes)
9. 7F-9224 [2] TERMINAL  
  2D-3981 [2] INSULATOR  
10. 7D-7715 [2] WIRE ASSEM.  
    (Each Includes)
  3D-4467 [1] TERMINAL  
11. 7F-9224 [1] TERMINAL  
  2D-3981 [2] INSULATOR  
12. 7D-4935 [2] WIRE ASSEM.  
    (Each Includes)
13. 7F-9224 [2] TERMINAL  
  2D-3981 [2] INSULATOR  
14. 7D-3956 [1] HOSE ASSEM. 13.46 dm(53 in.)  
15. 6B-5072 [1] BUSHING  
16. 5H-4778 [3] UNION  
17. 4S-7561 [1] HOSE ASSEM.  
18. 5K-5338 [1] CLIP  
19. 9M-8406 [2] CLIP  
20. 0S-1594 [2] BOLT  
21. 1D-4717 [1] NUT  
22. 3B-4506 [1] LOCKWASHER  
23. 7D-3963 [1] HOSE ASSEM. 28.96 dm(114 in.)  
  3D-7587 [1] UNION  
24. 2R-0619 Y [1] VALVE ASSEM.  
    (Separate Illustration)
  3B-7741 [2] NIPPLE  
25. 4J-3914 [1] UNION  
26. 7J-0482 [1] ELBOW  
27. 4D-9982 [1] SPRING  
28. 5D-0019 [1] BULB  
  4D-9981 [1] LENS  
  7D-7249 [1] PLATE  
29. 8H-7696 [1] FITTING  
  Y   SEPARATE ILLUSTRATION
 

#UEG0108S0394
 

7D-3820: EMERGENCY BRAKE CONTROL GROUP

7D3820 EMERGENCY BRAKE CONTROL GROUP--As Viewed from Rear Right Hand Side of Machine--Part 2 of 2
Serial No. 66K227-Up
4D487, 2R619 and 5D470 Valve parts are shown on Pages 138 and 138A
c157676 UEG0108S
  For full view, you need register

Parts for your 666B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5H-4778 [2] UNION  
2. 4S-7565 [1] HOSE ASSEM.  
3. 9M-8406 [6] CLIP  
4. 1A-2029 [5] BOLT  
5. 3B-4506 [8] LOCKWASHER  
6. 7D-7377 [1] RESERVOIR ASSEM.  
7. 4B-4845 [2] PLUG  
8. 7D-6864 [1] VALVE  
9. 7D-6865 [1] BODY  
10. 4L-8648 [2] STRIP  
11. 2L-3331 [1] UNION  
12. 6D-4246 [3] CLIP  
13. 0S-0509 [2] BOLT  
14. 6D-9599 [1] HOSE ASSEM.  
15. 8M-9727 [1] ELBOW  
16. 4D-0487 Y [1] VALVE  
    (Separate Illustration)
17. 2D-0193 [1] UNION  
18. 4J-3914 [2] UNION  
19. 7J-0482 [1] ELBOW  
20. 2R-0619 Y [1] VALVE ASSEM.  
    (Separate Illustration)
21. 7D-3964 [1] HOSE ASSEM. 27.43 dm(108 in.)  
22. 1D-4717 [2] NUT  
23. 3S-4904 [1] VALVE ASSEM.  
24. 5M-6213 [1] PLUG  
25. 3L-7055 [1] UNION  
26. 5D-0470 YC [1] VALVE ASSEM.  
    (Separate Illustration)
27. 2B-2695 [2] BOLT  
  1D-4716 [2] NUT  
  3B-4505 [2] LOCKWASHER  
28. 5H-8936 [1] ADAPTER  
29. 4D-2847 [1] HOSE ASSEM. 4.51 dm(17.75 in.)  
30. 2B-7409 [1] PLUG  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0108S0395
 

8S-6413: RETARDER OIL COOLER

RETARDER OIL COOLER (8S6413 N/S)
Serial No. 66K1 to 66K226 inclusive
c107330 UEG0108S
  For full view, you need register

Parts for your 666B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-8382 [1] BONNET  
2. 8S-6063 [1] ADAPTER  
3. 8S-6533 [1] CORE ASSEM.  
  3H-9675 [1] PIN  
4. 7S-8768 [1] ADAPTER  
5. 7S-8758 [2] SEAL  
    (Parts of 8S6533 Assem.)
6. 7S-8767 [2] GASKET  
7. 8S-6039 [1] ELBOW  
8. 8S-5574 [1] BONNET  
9. 7S-8423 [1] PIPE  
10. 9F-7283 [2] SEAL  
11. 7S-8704 [1] ADAPTER  
12. 2S-3721 [2] GASKET  
13. 1A-5822 [6] BOLT  
14. 3B-4508 [23] LOCKWASHER  
15. 1A-1135 [4] BOLT  
  3B-4510 [4] LOCKWASHER  
16. 8M-9307 [1] PLUG  
  6F-7062 [1] WASHER  
17. 1A-2029 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
18. 2S-7042 [1] GASKET  
19. 7B-3235 [6] BOLT  
20. 9S-1366 [6] BOLT  
21. 5L-5032 [1] SEAL  
22. 2A-1531 [1] BOLT  
23. 3J-5390 [1] PLUG  
24. 0S-1573 [2] BOLT  
25. 1D-4572 [2] BOLT  
 

#UEG0108S0396
 

8S-6413: RETARDER OIL COOLER GROUP

8S6413 RETARDER OIL COOLER GROUP
Serial No. 66K227 to 66K235 inclusive
c155075 UEG0108S
  For full view, you need register

Parts for your 666B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1P-6771 C [1] BONNET  
2. 8S-6063 [1] ADAPTER  
3. 8S-6533 [1] CORE ASSEM.  
  3H-9675 [1] PIN  
4. 7S-8768 [1] ADAPTER  
  7S-8758 [2] SEAL  
5. 3B-4506 [4] LOCKWASHER  
6. 7S-8767 [2] GASKET  
7. 1P-0385 C [1] ELBOW  
8. 8S-5574 [1] BONNET  
9. 7S-8423 [1] PIPE  
10. 9F-7283 [2] SEAL  
11. 1P-6770 C [1] ADAPTER  
12. 2S-3721 [2] GASKET  
13. 1A-5822 C [4] BOLT  
14. 3B-4508 [22] LOCKWASHER  
15. 1A-1135 [4] BOLT  
  3B-4510 [4] LOCKWASHER  
16. 8M-9307 [1] PLUG  
  6F-7062 [1] GASKET  
17. 1A-2029 [4] BOLT 2.86 cm(1.125 in.) long  
    -OR-
  0S-1588 C [4] BOLT 3.18 cm(1.25 in.) long  
18. 2S-7042 [1] GASKET  
19. 7B-3235 C [5] BOLT  
20. 9S-1366 C [7] BOLT  
21. 5L-5032 [1] SEAL  
22. 2A-1531 C [2] BOLT  
23. 3J-5390 [1] PLUG  
24. 0S-1573 [2] BOLT 10.16 cm(4 in.) long  
25. 1D-4572 [2] BOLT 13.97 cm(5.50 in.) long  
  C   INDICATES CHANGE
 

#UEG0108S0397
 

8S-6413: RETARDER OIL COOLER GROUP

8S6413 RETARDER OIL COOLER GROUP
Serial No. 66K236-Up and Engine Serial No. 73X1-Up
6N9994 Core Assembly is replaced by 6N9831 shown on Page 142C
c167251 UEG0108S
  For full view, you need register

Parts for your 666B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1P-6771 [1] BONNET  
2. 8S-6063 [1] ADAPTER  
3. 6N-9994 C [1] CORE ASSEM.  
  3H-9675 [1] PIN  
4. 7S-8768 [1] ADAPTER  
  7S-8758 [2] SEAL  
5. 3B-4506 [4] LOCKWASHER  
6. 7S-8767 [2] GASKET  
7. 7N-2475 C [1] ELBOW  
8. 8S-5574 [1] BONNET  
9. 7S-8423 [1] PIPE  
10. 9F-7283 [2] SEAL  
11. 1P-6770 [1] ADAPTER  
12. 2S-3721 [2] GASKET  
13. 1A-5822 [4] BOLT  
14. 3B-4508 C [21] LOCKWASHER  
15. 1A-1135 [4] BOLT  
  3B-4510 [4] LOCKWASHER  
16. 8M-9307 [1] PLUG  
  6F-7062 [1] GASKET  
17. 0S-1588 [4] BOLT 3.18 cm(1.25 in.) long  
18. 2S-7042 [1] GASKET  
19. 7B-3235 [5] BOLT  
20. 9S-1366 [7] BOLT  
21. 5L-5032 [1] SEAL  
22. 2A-1531 C [1] BOLT 16.51 cm(6.5 in.) long  
23. 3J-5390 [1] PLUG  
24. 0S-1573 [2] BOLT 10.16 cm(4 in.) long  
25. 1D-4572 [2] BOLT 13.97 cm(5.50 in.) long  
  C   INDICATES CHANGE
 

#UEG0108S0398
 

6N-9831: OIL COOLER CORE ASSEMBLY

6N9831 OIL COOLER CORE ASSEMBLY--Field Installation
Serial No. 66K236-Up
c224627 UEG0108S
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Parts for your 666B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-8758 C [2] SEAL  
2. 3H-9675 [1] PIN  
3. 0S-1587 [2] BOLT  
4. 7S-8768 [1] ADAPTER  
5. 8M-9307 [3] PLUG  
  6F-7062 [3] WASHER  
  C   INDICATES CHANGE
 

#UEG0108S0399
 

5D-6740: HYDRAULIC PUMP, LINES AND STEERING GEAR

HYDRAULIC PUMP, LINES AND STEERING GEAR (5D6740 N/S)--Part 1 of 3
AS VIEWED FROM RIGHT HAND SIDE OF MACHINE
Serial No. 66K1 to 66K226 inclusive
4D6590 Steering Gear parts are shown on Page 147
c107789 UEG0108S
  For full view, you need register

Parts for your 666B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-1418 [1] NUT  
  3B-1417 [1] RING  
2. 3B-8488 [1] FITTING  
3. 1B-8708 [1] KEY  
4. 5F-5442 [4] SCREW  
5. 4D-0874 [1] COVER  
  2H-9458 [1] GASKET  
6. 5B-1484 [1] NUT  
7. 4L-6942 [1] SEAL  
8. 2D-9487 [1] NUT  
9. 7B-2380 [1] BEARING  
10. 5F-2815 [1] WHEEL  
11. 0S-1571 [2] BOLT  
12. 3B-4506 [14] LOCKWASHER  
13. 6B-4203 [1] CLAMP  
  6B-4202 [1] GASKET  
14. 4D-1786 [1] BRACKET  
15. 3B-1915 [2] BOLT  
  3L-9689 [2] WASHER  
16. 5D-6702 [1] COLUMN ASSEM.  
17. 5D-6704 [1] SHAFT ASSEM.  
18. 0S-1588 [6] BOLT  
19. 5F-6368 [1] GASKET  
20. 4D-6590 Y [1] STEERING GEAR ASSEM.  
    (See Separate Illustration)
21. 3D-0682 [1] ARM  
22. 4D-6713 [2] BALLSTUD  
23. 3B-4641 [2] COTTER PIN  
24. 2B-0119 [2] NUT  
25. 1D-4270 [2] WASHER  
26. 4D-6741 [1] SPRING  
27. 4D-6743 [2] WASHER  
28. 6D-9907 [2] BEARING  
29. 0S-1594 [4] BOLT  
30. 4D-6747 [1] CAP  
31. 4D-6764 [1] SPRING  
32. 3B-8485 [1] FITTING  
33. 4D-6742 [1] SEAL  
  Y   SEPARATE ILLUSTRATION
 

Information:

Specifications
Emergency Brake Control Valves<BR> (7D2316 &amp; 7K2738)
657B & 666B TRACTORS-SCRAPERS AIR SYSTEM AND BRAKES
Parking And Emergency Brake Control Valve<BR> (6D3782)
657B & 666B TRACTORS-SCRAPERS AIR SYSTEM AND BRAKES
Brake Control Valves<BR> (4D2287 &amp; 6G1576)
657B & 666B TRACTORS-SCRAPERS AIR SYSTEM AND BRAKES
Reuse And Salvage Guidelines
Final Drive Steering System, Wheel Braking System, and Wheels & Tires Salvage and Reuse Manual Contents {4000, 4050, 4100, 4250, 4300}
Final Drive Steering System, Wheel Braking System, and Wheels & Tires Salvage and Reuse Manual Contents {4000, 4050, 4100, 4250, 4300}
Service Magazine

Caterpillar Parts SIS Catalog 666B :

Truck sale:

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