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RETURN AND FILTER LINES (8K179 N/S)--Part 1 of 2 Serial No. 51U474-Up Also available for European market prior to Serial No. 51U474 when machines are equipped with Noise Suppression 225


HYDRAULIC SYSTEM
LINES GP-RETURN
VALVE GP-RELIEF
VALVE GP-PRESSURE REDUCING
LINES GP-PUMP

EXCAVATOR 225 EXCAVATOR 51U
 225 EXCAVATOR 51U00001-00589 (MACHINE) UEG0663S 225 51U   (1972)

HYDRAULIC SYSTEM

LINES GP-RETURN
RETURN AND FILTER LINES
8K-0179 RETURN AND FILTER LINES
8K-0179 RETURN AND FILTER LINES
RETURN AND FILTER LINES
8K-0179 RETURN AND FILTER LINES
8K-0179 RETURN AND FILTER LINES
RETURN AND FILTER LINES
8K-0179 RETURN AND FILTER LINES
8K-0179 RETURN AND FILTER LINES
 

#UEG0663S0130
 

8K-0179: RETURN AND FILTER LINES

RETURN AND FILTER LINES (8K179 N/S)--Part 1 of 2
Serial No. 51U474-Up
Also available for European market prior to Serial No.
51U474 when machines are equipped with Noise Suppression
c119297 UEG0663S
8K0179 RETURN AND FILTER LINES Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [4] FLANGE  
2. [2] SEAL  
3. [8] BOLT  
4. [1] HOSE ASSEM. (20.40 in long overall)  
5. [4] BOLT  
6. [2] SEAL  
7. [1] TUBE ASSEM.  
8. [1] PLUG  
  [1] SEAL  
9. [1] SEAL  
10. [4] BOLT  
11. [12] LOCKWASHER  
12. [2] FLANGE  
13. [8] BOLT  
14. [1] HOSE ASSEM.  
15. [1] SEAL  
16. [2] SEAL  
17. [1] CONNECTOR  
18. [1] TUBE ASSEM.  
19. [1] ELBOW  
20. [2] FLANGE  
21. [1] HOSE ASSEM.  
22. [2] SEAL  
23. [4] BOLT  
24. [1] TUBE ASSEM.  
25. [2] SEAL  
26. [8] BOLT  
  [8] LOCKWASHER  
27. [1] TUBE ASSEM.  
28. [2] SEAL  
29. [4] CLAMP  
30. H HOSE 6"  
31. [1] CLAMP  
  [1] BOLT  
32. [1] TUBE ASSEM.  
33. [1] PLUG  
  [1] SEAL  
34. C [1] SPACER  
35. C [1] BOLT  
36. [2] LOCKWASHER  
37. C [2] ELBOW  
38. C [1] HOSE ASSEM. (12.00 in. long)  
39. C [1] ELBOW  
40. C [1] HOSE ASSEM. (22.00 in. long)  
41. [1] ELBOW  
42. [2] CLIP  
  C   INDICATES CHANGE
  H   ORDER BY THE INCH
 

#UEG0663S0131
 

8K-0179: RETURN AND FILTER LINES

RETURN AND FILTER LINES (8K179 N/S)--Part 2 of 2
Serial No. 51U474-Up. 7J3020 Filter and 8J2340 Valve parts are shown on Pages
73B and 78. Also available for European market prior to Serial No.
51U474 when machines are equipped with Noise Suppression
c119298 UEG0663S
8K0179 RETURN AND FILTER LINES Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7J-3020 Y [1] FILTER GROUP  
    (Separate Illustration)
2. 8K-1225 [2] CLAMP  
3. 1D-4719 [2] NUT  
4. 8K-3966 C [1] TUBE ASSEM.  
5. 030-7945 C [1] ELBOW  
6. 7M-8485 [2] SEAL  
7. 8K-3967 C [1] TUBE ASSEM.  
8. 030-7935 C [1] CONNECTOR  
9. 8J-2340 Y [1] VALVE GROUP  
    (Separate Illustration)
10. 1P-3709 [4] SEAL  
11. 8K-2183 [1] TUBE ASSEM.  
12. 9S-7583 [2] PLUG  
  030-4606 [2] SEAL  
13. 0S-1573 [8] BOLT  
14. 3B-4508 [16] LOCKWASHER  
15. 8F-6711 [1] SEAL  
16. 1P-4582 [4] FLANGE  
17. 0S-1585 [8] BOLT  
18. 1A-1460 [10] BOLT  
19. 8K-0783 [1] TUBE ASSEM.  
20. 9S-7583 [1] PLUG  
  030-4606 [1] SEAL  
21. 8K-3986 C [1] TUBE ASSEM.  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0663S0132
 

8J-2340: RELIEF VALVE GROUP

8J2340 RELIEF VALVE GROUP
Part of 8K179 Return and Filter Lines Group shown on Pages 75, 76A and 77
c114883 UEG0663S
8J2340 RELIEF VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7J-7652 [1] BODY  
2. 8B-4624 [2] SHIM  
3. 5J-2792 [1] SPRING  
4. 7B-3235 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
5. 4J-4759 [1] PLUG  
  4F-7952 [1] SEAL  
6. 3H-0110 [1] COVER  
7. 1J-8945 [1] VALVE  
 

#UEG0663S0133
 

8J-8578: VALVE GP-REDUCING

8J8578 REDUCING VALVE GROUP--Type 1
Part of 8K182 Pump Lines Group shown on Pages 80, 83, 84B, 84E & 84H
c201050 UEG0663S
8J8578 VALVE GP-REDUCING Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-1896 [1] SLUG  
  1L-5316 [1] PIN (Spring)  
2. 8J-2054 [1] WASHER  
3. 0S-1618 [2] BOLT  
  3B-4505 [2] LOCKWASHER  
4. 8J-2055 [1] COVER  
5. 2H-3932 [1] SEAL  
6. 9S-8004 [1] PLUG  
  3J-1907 [1] SEAL  
7. 8J-2051 [1] NEEDLE  
8. 2H-3429 [1] RING  
9. 8J-2092 [1] PLUG  
10. 2A-1989 [1] LOCK  
11. 1B-4430 [1] NUT  
12. 1H-1023 [1] SEAL  
13. 9S-8001 [5] PLUG  
  4J-7533 [5] SEAL  
14. 8J-8574 [1] SPRING  
15. 4F-7952 [1] SEAL  
16. 8J-8572 [1] SLUG  
17. 9S-8005 [1] PLUG  
18. 3K-0360 [2] SEAL  
19. 1A-2029 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
20. 8J-8573 [1] COVER  
21. 2H-5001 [1] SEAL  
22. 8J-8577 [1] VALVE GROUP  
23. 8J-8575 [1] RETAINER  
 

#UEG0663S0134
 

8J-8578: VALVE GP-REDUCING

8J8578 REDUCING VALVE GROUP--Underspeed Valve--Type 2
Part of 8K182 Pump Lines shown on Pages 80, 83, 84B, 84E and 84H
c214626 UEG0663S
8J8578 VALVE GP-REDUCING Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9J-7278 [1] SLUG  
  7H-3639 C [1] PIN (Spring)  
2. 8J-2054 [1] WASHER  
3. 0S-1618 [2] BOLT  
  3B-4505 [2] LOCKWASHER  
4. 8J-2055 [1] COVER  
5. 2H-3932 [1] SEAL  
6. 9S-8004 [1] PLUG  
  3J-1907 [1] SEAL  
7. 9J-7210 C [1] PLUNGER  
8. 8J-8575 [1] RETAINER  
9. 9J-7211 C [1] PLUG  
10. 3S-4506 C [1] LOCK  
11. 1B-4203 C [1] NUT  
12. 6J-3134 C [1] SEAL  
13. 9S-8001 [5] PLUG  
  4J-7533 [5] SEAL  
14. 8J-8574 [1] SPRING  
15. 4F-7952 [1] SEAL  
16. 8J-8572 [1] SLUG  
17. 9S-8005 [1] PLUG  
18. 3K-0360 [2] SEAL  
19. 1A-2029 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
20. 8J-8573 [1] COVER  
21. 2H-5001 [1] SEAL  
22. 8J-8577 [1] VALVE GROUP  
  C   INDICATES CHANGE
 

#UEG0663S0135
 

8K-0182: PUMP LINES

PUMP LINES (8K182 N/S)--Part 1 of 3
Serial No. 51U1 to 51U187 inclusive
8J1846 Combiner and Relief Valve parts are shown on Page 89
c116322 UEG0663S
8K0182 PUMP LINES Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-6130 [1] PLUG  
  2S-4078 [1] SEAL  
2. 8K-2424 [1] ADAPTER  
3. 1P-3705 [3] SEAL  
4. 1P-5767 [10] FLANGE  
5. 9H-8260 [4] BOLT  
6. 9S-4191 [1] PLUG  
  3J-1907 [1] SEAL  
7. 8K-1706 [1] HOSE ASSEM.  
8. 8K-2299 [1] HOSE ASSEM.  
9. 8K-2217 [1] HOSE ASSEM.  
10. 8K-1678 [1] HOSE ASSEM.  
11. 1P-3704 [7] SEAL  
12. 1A-1135 [2] BOLT  
13. 1P-5768 [2] FLANGE  
14. 8K-1934 [1] CLAMP  
  0S-1621 [2] BOLT  
15. 3B-4508 [9] LOCKWASHER  
16. 8K-2395 [1] BRACKET ASSEM.  
  1F-0748 [2] NUT  
17. 0S-0509 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  4B-4278 [2] WASHER  
18. 8K-2426 [1] TUBE ASSEM.  
19. 1A-1460 [30] BOLT  
20. 8K-1679 [1] HOSE ASSEM.  
21. 8K-0973 [1] HOSE ASSEM.  
22. 030-7948 [1] ELBOW  
23. 8M-0547 [1] ELBOW  
24. 1P-5766 [8] FLANGE  
25. 0T-0768 [8] BOLT  
26. 1P-3703 [2] SEAL  
27. 8J-1846 Y [1] VALVE GROUP  
    (Separate Illustration)
28. 6H-1717 [3] BOLT  
  4B-4280 [3] WASHER  
29. 030-7950 [1] ELBOW  
  3D-2824 [1] SEAL  
30. 8K-0974 [1] HOSE ASSEM.  
31. 8K-2396 [1] FITTING  
32. 4S-4869 [1] TEE  
33. 3K-0360 [2] SEAL  
  Y   SEPARATE ILLUSTRATION
 

#UEG0663S0136
 

8K-0182: PUMP LINES

PUMP LINES (8K182 N/S)--Part 2 of 3
Serial No. 51U1 to 51U187 inclusive. 8J8578 Reducing Valve, 8J6720 Filter and 8J2057 Relief Valve
parts are shown on Pages 78, 85 and 87
c116323 UEG0663S
8K0182 PUMP LINES Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 030-7941 [2] ELBOW  
2. 3J-7354 [4] SEAL  
3. 8K-1691 [2] HOSE ASSEM.  
4. 030-7961 [1] ELBOW  
5. 7J-4026 [1] ELBOW  
6. 030-7950 [3] ELBOW  
7. 3D-2824 [9] SEAL  
8. 4S-4857 [1] TEE  
9. 8J-8578 Y [1] VALVE GROUP  
    (Separate Illustration)
10. 0S-1619 [2] BOLT  
11. 3B-4506 [24] LOCKWASHER  
12. 7H-7954 [4] BOLT  
13. 8K-1119 [1] SUPPORT ASSEM.  
14. 8K-1116 [2] CLAMP  
15. 0S-0509 [10] BOLT  
16. 1D-4717 [8] NUT  
17. 8K-1117 [4] CLAMP  
18. 8K-1310 [1] TUBE ASSEM.  
19. 8K-1122 [1] ADAPTER  
  4J-5267 [1] SEAL  
20. 8K-1309 [1] TUBE ASSEM.  
21. 8K-1118 [1] STRIP  
22. 9S-4191 [2] PLUG  
23. 3J-1907 [3] SEAL  
24. 0L-1352 [4] BOLT  
25. 8K-1123 [1] MANIFOLD  
26. 4J-0519 [1] SEAL  
27. 2R-6276 [3] CONNECTOR  
28. 4J-5267 [1] SEAL  
29. 8K-1758 [1] HOSE ASSEM.  
30. 8J-2057 Y [1] VALVE GROUP  
    (Separate Illustration)
31. 8K-1252 [1] TUBE ASSEM.  
32. 8K-2806 [1] TUBE ASSEM.  
33. 8L-3161 [2] NUT  
  8L-3162 [2] SLEEVE  
34. 030-7946 [1] ELBOW  
35. 0S-1588 [4] BOLT  
36. 030-7944 [2] ELBOW  
37. 8J-6720 Y [1] FILTER GROUP  
    (Separate Illustration)
38. 8K-1693 [1] HOSE ASSEM.  
  Y   SEPARATE ILLUSTRATION
 

#UEG0663S0137
 

8K-0182: PUMP LINES

PUMP LINES (8K182 N/S)--Part 3 of 3
Serial No. 51U1 to 51U187 inclusive
c146414 UEG0663S
8K0182 PUMP LINES Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1587 [16] BOLT  
2. 3B-4508 [28] LOCKWASHER  
3. 8K-3722 C [1] TUBE ASSEM.  
4. 5H-8848 C [4] SEAL  
5. 8K-1711 [1] HOSE ASSEM.  
6. 2B-2006 [2] BOLT (4.75 in. long)  
  1D-4569 [2] BOLT (4.25 in. long)  
7. 8K-1935 [1] ELBOW  
8. 1P-3705 [3] SEAL  
9. 1P-3704 [5] SEAL  
10. 9K-4209 [1] TUBE ASSEM.  
11. 1A-2029 [2] BOLT  
  1D-4717 [2] NUT  
  3B-4506 [2] LOCKWASHER  
12. 9K-4215 [2] CLAMP  
13. 8K-1715 [1] HOSE ASSEM.  
14. 030-7961 [1] ELBOW  
15. 8K-2904 [2] HOSE ASSEM.  
16. 4S-4857 [1] TEE  
17. 1A-1460 [8] BOLT  
18. 1P-5767 [8] FLANGE  
19. 9K-4210 [1] HOSE  
20. 9H-2094 C [4] CLAMP  
21. 9K-4214 [1] TUBE ASSEM.  
22. 0S-1595 [4] BOLT  
23. 8F-6711 [2] SEAL  
24. 8K-3719 C [1] TUBE ASSEM.  
25. 8K-3721 C [1] TUBE ASSEM.  
26. 4H-1753 [8] CLAMP  
27. 2S-6659 H HOSE 16 in  
28. 8K-3720 C [1] TUBE ASSEM.  
29. 9S-6130 [2] PLUG  
  2S-4078 [2] SEAL  
30. 8K-2268 [2] ELBOW  
31. 2H-6488 [8] BOLT  
32. 9S-4191 [2] PLUG  
  3J-1907 [2] SEAL  
33. 8J-8741 [2] VALVE ASSEM.  
34. 3J-7354 [3] SEAL  
  C   INDICATES CHANGE
  H   ORDER BY THE INCH
 

#UEG0663S0138
 

8K-0182: PUMP LINES

PUMP LINES (8K182 N/S)--Part 1 of 3--Type 1
Serial No. 51U188 to 51U473 inclusive. 8J1846 Combiner and Relief
Valve parts are shown on Page 89
c116326 UEG0663S
8K0182 PUMP LINES Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-6130 [1] PLUG  
  2S-4078 [1] SEAL  
2. 8K-2424 [1] ADAPTER  
3. 1P-3705 [3] SEAL  
4. 1P-5767 [10] FLANGE  
5. 9H-8260 [4] BOLT  
6. 9S-4191 [1] PLUG  
  3J-1907 [1] SEAL  
7. 8K-3207 C [1] HOSE ASSEM. (46 in. long overall)  
8. 8M-0547 [1] ELBOW  
9. 030-7948 C [1] ELBOW  
10. 8K-0973 [1] HOSE ASSEM.  
11. 1P-3704 [7] SEAL  
12. 1A-1135 [2] BOLT  
13. 1P-5768 [2] FLANGE  
14. 8K-1934 [1] CLAMP  
  0S-1621 [2] BOLT  
15. 3B-4508 [9] LOCKWASHER  
16. 8K-2395 [1] BRACKET ASSEM.  
  1F-0748 [2] NUT (Weld)  
17. 0S-0509 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  4B-4278 [2] WASHER  
18. 8K-2426 [1] TUBE ASSEM.  
19. 1A-1460 [30] BOLT  
20. 8K-3206 C [1] HOSE ASSEM. (37.80 in. long overall)  
21. 3K-0360 [1] SEAL  
22. 4S-4869 [2] TEE  
23. 8K-2396 [1] FITTING  
24. 1P-5766 [8] FLANGE  
25. 0T-0768 [8] BOLT  
26. 1P-3703 [2] SEAL  
27. 8K-3220 C [1] HOSE ASSEM. (55 in. long overall)  
28. 8K-3219 C [1] HOSE ASSEM. (51.50 in. long overall)  
29. 8K-3205 C [1] HOSE ASSEM. (42 in long overall)  
30. 8K-0974 [1] HOSE ASSEM.  
31. 030-7950 [2] ELBOW  
32. 3D-2824 [1] SEAL  
33. 8J-1846 Y [1] VALVE GROUP  
    (Separate Illustration)
34. 6H-1717 [3] BOLT  
  4B-4280 [3] WASHER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0663S0139
 

8K-0182: PUMP LINES

PUMP LINES (8K182 N/S)--Part 2 of 3--Type 1
Serial No. 51U188 to 51U473 inclusive. 8J8578 Reducing Valve, 8J7390 Filter
and 8J2057 Relief Valve parts are shown on Pages 78, 86 and 87
c116327 UEG0663S
8K0182 PUMP LINES Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. C [2] ELBOW  
2. [4] SEAL  
3. C [4] HOSE ASSEM.  
4. [1] ELBOW  
5. [1] ELBOW  
6. C [2] ELBOW  
7. [9] SEAL  
8. C [1] TEE  
9. H [1] VALVE GROUP  
10. [2] BOLT  
11. C [20] LOCKWASHER  
12. [4] BOLT  
13. [1] SUPPORT ASSEM.  
14. [2] CLAMP  
15. [10] BOLT  
16. [8] NUT  
17. [4] CLAMP  
18. [1] TUBE ASSEM.  
19. [1] ADAPTER  
  [1] SEAL  
20. [1] TUBE ASSEM.  
21. [1] STRIP  
22. [2] PLUG  
23. [3] SEAL  
24. [4] BOLT  
25. [1] MANIFOLD  
26. [1] SEAL  
27. [3] CONNECTOR  
28. [1] SEAL  
29. [1] HOSE ASSEM.  
30. H [1] VALVE GROUP  
31. [1] TUBE ASSEM.  
32. [1] TUBE ASSEM.  
33. [2] NUT  
  [2] SLEEVE  
34. [1] ELBOW  
35. C [2] BOLT  
36. [2] ELBOW  
37. H [1] FILTER GROUP  
38. [1] HOSE ASSEM.  
39. C [2] NUT  
  [2] LOCKWASHER  
40. C [1] CONNECTOR  
  [1] SEAL  
41. C [1] ELBOW  
42. C [1] TEE  
  C   INDICATES CHANGE
  H   SEPARATE ILLUSTRATION
 

Information:

Service Magazine
New Hose Assembly Used In Oil Return And Filter Lines Group{5057}
1978/10/16

Caterpillar Parts SIS Catalog 225 :

8K-0179 RETURN AND FILTER LINES
RETURN AND FILTER LINES
8K-0179 RETURN AND FILTER LINES
8K-0179 RETURN AND FILTER LINES
RETURN AND FILTER LINES
8K-0179 RETURN AND FILTER LINES
OIL FILTER GROUP
7J-3020 OIL FILTER GROUP
RELIEF VALVE GROUP
9J-2505 RELIEF VALVE GROUP
VALVE GP-RELIEF
8J-6798 VALVE GP-RELIEF
RELIEF VALVE GROUP
8J-4641 RELIEF VALVE GROUP
8K-0179 RETURN AND FILTER LINES
RELIEF VALVE GROUP
8J-2340 RELIEF VALVE GROUP
VALVE GP-REDUCING
8J-8578 VALVE GP-REDUCING
VALVE GP-REDUCING
8J-8578 VALVE GP-REDUCING
PUMP LINES
8K-0182 PUMP LINES
8K-0182 PUMP LINES
8K-0182 PUMP LINES
PUMP LINES
8K-0182 PUMP LINES

Truck sale:

CATERPILLAR 225 1985
 
CATERPILLAR 225 1985
- TRACK EXCAVATORS
ZEPPELIN BAUMASCHINEN
Gebrauchtmaschinen Pool Karl-Bröger-Strasse 8 - Alsfeld
 
 
CATERPILLAR 225 1979
- TRACK EXCAVATORS
PETERSON TRACTOR CO
CATERPILLAR 225 1984
 
CATERPILLAR 225 1984
- TRACK EXCAVATORS
MILTON CAT
100 Quarry Drive - MILFORD - Massachus
1986 CAT 225
Call 
1986 CAT 225

Sound Heavy Machinery
North Carolina
1977 CAT 225
USD $26,900 
1977 CAT 225

Construction Station
Wayne, Michigan
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