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8J7390 HYDRAULIC OIL FILTER GROUP Part of 8K182 Pump Lines Group shown on Pages 57, 58B, 58E, 58H, 58L, 58P, 58T and 59B 225


HYDRAULIC SYSTEM
FILTER GP
VALVE GP-RELIEF
VALVE GP-PRESSURE REDUCING
VALVE GP
MOTOR GP
PUMP GP

EXCAVATOR 225 EXCAVATOR 51U
 225 EXCAVATOR 51U00590-02033 (MACHINE) UEG0852S 225 51U   (1972)

HYDRAULIC SYSTEM

FILTER GP
OIL FILTER GROUP
7J-3020 OIL FILTER GROUP
OIL FILTER GROUP
7J-3020 OIL FILTER GROUP
OIL FILTER GROUP
7J-3020 OIL FILTER GROUP
FILTER GP-EXTERNAL
9J-3952 FILTER GP-EXTERNAL
BYPASS GP-FILTER
9J-3954 BYPASS GP-FILTER
FILTER GP-EXTERNAL
9J-3952 FILTER GP-EXTERNAL
FILTER GP-OIL
9J-1212 FILTER GP-OIL
FILTER GP
8J-7390 FILTER GP
 

#UEG0852S0150
 

8J-7390: FILTER GP

8J7390 HYDRAULIC OIL FILTER GROUP
Part of 8K182 Pump Lines Group shown on Pages 57, 58B, 58E,
58H, 58L, 58P, 58T and 59B
c217086 UEG0852S
8J7390 FILTER GP Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-4686 [1] PLUG-O-RING  
2. 7J-5589 C [1] BOLT-FILTER  
3. 8F-9206 C [1] SEAL-O-RING  
4. 1H-8128 [1] SEAL-O-RING  
5. 5J-1095 [1] SEAT-VALVE  
6. 5J-1096 [1] VALVE  
7. 4J-0816 [1] ELEMENT-FILTER (DISPOSABLE)  
    -OR-
  3G-5653 CA [1] ELEMENT-FILTER (FIRE RESISTANT FLUID)  
8. 9S-4191 [1] PLUG-O-RING  
9. 3J-1907 [2] SEAL  
10. 8J-7387 [1] HOUSING AS  
11. 3J-1997 [1] RETAINER-SPRING  
12. 7F-9802 [1] SPRING  
13. 3J-1162 [1] SPRING  
14. 2M-8729 [1] PIN-SPRING  
15. 8J-7389 [1] COVER  
  A   NOT PART OF THIS GROUP
  C   CHANGE FROM PREVIOUS TYPE
 

#UEG0852S0151
 

8J-2460: VALVE GP-RELIEF

8J2460 RELIEF VALVE GROUP
Part of 9J773 Combination Valve Group shown on Page 60
c116799 UEG0852S
8J2460 VALVE GP-RELIEF Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-8001 [1] PLUG  
  4J-7533 [1] SEAL  
2. 9S-8002 [5] PLUG  
  3J-7354 [5] SEAL  
3. 8J-6152 [2] STOP  
4. 5J-2722 [2] SHIM (.048" Thick)  
  5J-2721 [19] SHIM (.005" Thick)  
5. 8J-2304 [1] VALVE GROUP  
6. 0L-1352 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
7. 9S-8005 [2] PLUG  
8. 3K-0360 [3] SEAL  
9. 2H-6488 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
10. 8J-2300 [1] VALVE GROUP  
11. 3H-7675 [1] SPRING  
12. 9S-8004 [1] PLUG  
  3J-1907 [1] SEAL  
13. 5J-4571 [2] SPRING  
14. 4J-0519 [2] SEAL  
15. 5J-0901 [2] VALVE  
16. 4J-5309 [1] SEAL  
17. 9S-4187 [1] PLUG  
18. 8J-2307 [1] VALVE  
19. 4J-0523 [1] SEAL  
20. 2J-0075 [1] SPRING  
21. 4J-5573 [1] SEAL  
22. 4J-0522 [1] SEAL  
23. 3J-3435 [1] BODY GROUP  
24. 8F-9206 [1] SEAL  
 

#UEG0852S0152
 

9J-8732: VALVE GP-RELIEF

9J8732 RELIEF VALVE GROUP
Serial No. 51U1492-Up
Part of 8K180 Swing Motor Lines Group shown on Page 70A-2
c159006 UEG0852S
9J8732 VALVE GP-RELIEF Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-4185 [1] PLUG  
  3K-0360 [1] SEAL  
2. 9J-8730 Y [2] VALVE GROUP  
    (Separate Illustration)
  Y   SEPARATE ILLUSTRATION
 

#UEG0852S0153
 

9J-8730: VALVE GP-RELIEF

9J8730 RELIEF VALVE GROUP--Pilot Operated
Part of 9J8732 Relief Valve Group
c159007 UEG0852S
9J8730 VALVE GP-RELIEF Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7M-8485 [2] SEAL-O-RING  
2. 8J-3627 [1] VALVE GP  
3. 4J-0522 [1] SEAL  
4. 8J-3620 [1] CAP  
5. 5J-6153 [4] SHIM .193MM(.0076IN)THK  
  6J-8696 [4] SHIM 1.22MM(.048IN)THK  
6. 8J-0322 [1] SPRING  
7. 8J-0331 [1] VALVE  
 

#UEG0852S0154
 

9J-0776: REDUCING VALVE GROUP

9J776 REDUCING VALVE GROUP
Part of 9J773 Combination Valve Group shown on Page 60
c147879 UEG0852S
9J0776 REDUCING 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. 9J-0777 [1] VALVE GROUP  
2. 9J-0779 [1] SLUG  
3. 9J-0780 [4] PISTON  
4. 4J-5309 [6] SEAL  
5. 8J-9371 [1] BODY  
6. 9S-4191 [1] PLUG  
  3J-1907 [1] SEAL  
7. 8F-6419 [4] BOLT  
  3B-4507 [4] LOCKWASHER  
8. 8F-6711 [2] SEAL  
9. 9J-0781 [1] COVER  
 

#UEG0852S0155
 

9J-0775: VALVE GP

9J775 VALVE GROUP
Part of 9J773 Combination Valve Group shown on Page 60
c201168 UEG0852S
9J0775 VALVE GP Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2J-5436 [2] VALVE  
2. Z [1] BODY  
  Z   NOT SERVICED SEPARATELY
 

#UEG0852S0156
 

8J-0448: PISTON MOTOR GROUP

8J448 PISTON MOTOR GROUP
Serial No. 51U590 to 51U1253 inclusive
Also part of Swing Motor Lines shown on Page 70. Note: Two required for
propelling track and one required for actuating swing
c202110 UEG0852S
8J0448 PISTON MOTOR GROUP Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-0532 [1] HEAD  
2. 8J-0422 [1] CUP  
3. 7F-8698 [4] BOLT  
4. 1H-8397 [1] RING  
5. 8J-0423 [1] CONE  
6. 8J-0485 [9] PISTON ASSEM.  
7. 8J-0481 [1] PLATE  
8. 8J-0533 [1] GASKET  
9. 4F-5192 [8] BOLT  
10. 3B-4507 [12] LOCKWASHER  
11. 8J-0483 [1] SPRING  
12. 8J-0484 [1] RING  
13. 8J-2559 [1] PLATE  
  4B-4158 [4] SCREW  
14. 9S-8005 [3] PLUG  
  3K-0360 [3] SEAL  
15. 9J-3969 [1] BARREL ASSEM.  
16. 8J-0490 [1] RETAINER  
17. 2A-0762 [8] BOLT  
  8J-0493 [8] LOCK  
18. 8J-0491 [4] SHIM (.002 in. thick)  
  8J-0492 [4] SHIM (.005 in. thick)  
19. 8J-0489 [1] PLATE  
20. 8J-0488 [1] PLATE  
21. 5B-5821 [5] DOWEL  
22. 8J-2478 [1] CAM ASSEM.  
23. 5P-0402 [1] SEAL  
24. 4D-1736 [1] RING  
25. 6J-2819 [2] SCREW  
  1H-1023 [2] SEAL  
26. 8J-0537 [1] SHAFT  
27. 7K-8877 [1] CONE  
28. 9J-3970 C [1] BODY  
29. 7K-8876 [1] CUP  
30. 8J-0482 [2] SPACER  
  C   INDICATES CHANGE
 

#UEG0852S0157
 

8J-0448: PISTON MOTOR GROUP

8J448 PISTON MOTOR GROUP
Two required for propelling track and One required for actuating swing.
Track Usage: Serial No. 51U1254 to 51U1546, 51U1743 and 51U1744 inclusive.
Swing Usage: Serial No. 51U1254 to 51U1419 inclusive. Note: Serial No. 51U1744
uses 1--8J448 Motor and 1--3G784 Motor
c155670 UEG0852S
8J0448 PISTON MOTOR GROUP Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9J-4763 C [1] HEAD  
2. 8J-0422 [1] CUP  
3. 7F-8698 [4] BOLT  
4. 5B-7892 C [1] DOWEL  
5. 8J-0423 [1] CONE  
6. 8J-0485 [9] PISTON ASSEM.  
7. 9J-1282 C [1] PLATE  
8. 8J-0533 [1] GASKET  
9. 4F-5192 [8] BOLT  
10. 3B-4507 [12] LOCKWASHER  
11. 8J-0483 [1] SPRING  
12. 8J-0484 [1] RING  
13. 8J-2559 [1] PLATE  
  4B-4158 [4] SCREW  
14. 9S-8005 [3] PLUG  
  3K-0360 [3] SEAL  
15. 9J-2417 RC [1] BARREL ASSEM.  
16. 8J-0490 [1] RETAINER  
17. 031-0216 C [8] BOLT  
18. 8J-0491 [4] SHIM (.002 in. thick)  
  8J-0492 [4] SHIM (.005 in. thick)  
19. 8J-9966 C [1] PLATE  
20. 9J-0560 C [1] PLATE  
21. 5B-5821 [5] DOWEL  
22. 9J-7741 C [1] CAM  
23. 9J-8757 C [1] SEAL  
24. 4D-1736 [1] RING  
25. 6J-2819 [2] SCREW  
  1H-1023 [2] SEAL  
26. 8J-0537 [1] SHAFT  
27. 7K-8877 [1] CONE  
28. 9J-3970 [1] BODY  
29. 7K-8876 [1] CUP  
30. 8J-0482 [2] SPACER  
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0852S0158
 

3G-0784: MOTOR GP-PISTON

3G784 PISTON MOTOR GROUP
Two required for propelling track and One required for actuating swing.
Track Usage: Serial No. 51U1547 to 51U1742 and 51U1744-Up. Swing Usage: Serial
No. 51U1420-Up. Note: Serial No. 51U1744 uses 1--8J448 Motor and
1--3G784 Motor
c231945 UEG0852S
3G0784 MOTOR GP-PISTON Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9J-4763 [1] HEAD  
2. 8J-0422 [1] CUP  
3. 7F-8698 [4] BOLT  
4. 5B-7892 [1] DOWEL  
5. 8J-0423 [1] CONE  
6. 8J-0485 [9] PISTON ASSEM.  
7. 3G-4745 RC [1] PLATE  
8. 8J-0533 [1] GASKET  
9. 4F-5192 [8] BOLT  
10. 3B-4507 [12] LOCKWASHER  
11. 8J-0483 [1] SPRING  
12. 8J-0484 [1] RING  
13. 8J-2559 [1] PLATE  
  4B-4158 [4] SCREW  
14. 9S-8005 [3] PLUG  
  3K-0360 [3] SEAL  
15. 9J-2417 RC [1] BARREL ASSEM.  
16. 3G-5636 C [1] BEARING  
17. 031-0216 [8] BOLT  
18. 8J-0491 [4] SHIM  
  8J-0492 [4] SHIM  
19. 8J-9966 [1] PLATE  
20. 3G-9671 C [1] PLATE  
21. 5B-5821 [5] DOWEL  
22. 9J-7741 [1] CAM  
23. 1U-1655 C [1] SEAL  
24. 4D-1736 [1] RING  
25. 6J-2819 [2] SCREW  
  1H-1023 [2] SEAL  
26. 8J-0537 [1] SHAFT  
27. 7K-8877 [1] CONE  
28. 9J-3970 [1] BODY  
29. 7K-8876 [1] CUP  
30. 8J-0482 [2] SPACER  
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0852S0159
 

8J-8723: PISTON PUMP GROUP

8J8723 PISTON PUMP GROUP--Part 1 of 2
Serial No. 51U590 to 51U1080 inclusive
8J4501 Pump Head parts are shown on Page 68
c227826 UEG0852S
8J8723 PISTON PUMP GROUP Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-9703 [1] PLATE  
2. 4B-4158 [4] SCREW  
3. 8J-0423 [1] CONE  
4. 4B-7220 [6] BOLT  
5. 3B-4507 [10] LOCKWASHER  
6. 8J-4501 YC [1] HEAD GROUP  
    (Separate Illustration)
  8J-0499 [1] GASKET  
7. 8J-2024 [1] PLATE  
8. 8J-0484 [1] RING  
9. 1H-8397 [1] RING  
10. 5B-5821 [2] DOWEL  
11. 5B-5059 [2] BOLT  
12. 8F-6419 C [2] BOLT  
13. 2A-0762 [10] BOLT  
  8J-0493 [10] LOCK  
14. 8J-2067 [2] BEARING  
15. 8J-2068 [6] SHIM .06mm (.002 in.) thick  
  8J-2069 [4] SHIM .13 mm (.005 in.) thick  
16. 8J-0488 [1] PLATE  
17. 8J-0489 [1] PLATE  
18. 8J-1912 [9] PISTON ASSEM.  
19. 8J-0483 [1] SPRING  
20. 9J-3969 C [1] BARREL ASSEM.  
21. 8J-0482 [2] SPACER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

Information:

Special Instruction
Instructions For 3208 Engine Oil Filter Base Installation{1306}
Instructions For 3208 Engine Oil Filter Base Installation{1306}
Guidelines for the Use of Clean Out Filters for the Hydraulic Oil System and for the Power Train Oil System{3067, 5068}
Guidelines for the Use of Clean Out Filters for the Hydraulic Oil System and for the Power Train Oil System{3067, 5068}
Guidelines for the Use of High Efficiency Filters for the Hydraulic Oil System and for the Power Train Oil System {3000, 3004, 5050, 5068}
Guidelines for the Use of High Efficiency Filters for the Hydraulic Oil System and for the Power Train Oil System {3000, 3004, 5050, 5068}
Specifications
Pilot System Filter<BR> (8J7390)
225 EXCAVATOR HYDRAULIC SYSTEM
Filter For Main Oil System<BR> (7J3020)
225 EXCAVATOR HYDRAULIC SYSTEM
Case Drain Filter<BR> (9J1212)
225 EXCAVATOR HYDRAULIC SYSTEM
Filter For Main Oil System<BR> (9J3952)
225 EXCAVATOR HYDRAULIC SYSTEM
Pilot System Filter<BR> (8J7390)
225 EXCAVATOR HYDRAULIC SYSTEM
Tool Operating Manual
Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}
Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}
188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095}
188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095}
Contamination Control Guidelines
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Disassembly and Assembly
Main System Oil Filter
225 EXCAVATOR VEHICLE SYSTEMS
Pilot System Oil Filter
225 EXCAVATOR VEHICLE SYSTEMS
Main System Oil Filter
225 EXCAVATOR VEHICLE SYSTEMS
Pilot System Oil Filter
225 EXCAVATOR VEHICLE SYSTEMS
Case Drain Filter
225 EXCAVATOR VEHICLE SYSTEMS
Service Magazine
Seal Added To Prevent Hydraulic Oil Leakage Around Bolt In Pilot Filter Group{5068}
1981/02/09
Two New Oil Filter Assemblies Available; Always Use Correct Oil Filter And Follow Caterpillar Change Intervals{1318}
1981/02/23
Oil Filter Inspection Can Save Additional Internal Engine Damage{1318}
1985/06/17
Modification To Permit Easier Removal Of Cover From Hydraulic System Filter{5068,7251}
1979/04/02
Color Coded Dust Caps for S&middot;O&middot;S Ports Will Be Available {7770}
2003/12/01
A Replacement Filter Is Incorrectly Identified {5050, 5068}
2002/12/23
Optional High Efficiency Filters Are Now Available {3004, 5068}
2003/07/07
New Oil Filters for all Cat Machines are Available {3004, 3067, 4295, 431F, 5068}
New Oil Filters for all Cat Machines are Available {3004, 3067, 4295, 431F, 5068}

Caterpillar Parts SIS Catalog 225 :

VALVE GP-PITCH RELIEF
8J-2057 VALVE GP-PITCH RELIEF
VALVE GP-PITCH RELIEF
8J-2057 VALVE GP-PITCH RELIEF
VALVE GP-REDUCING
8J-8578 VALVE GP-REDUCING
VALVE GP-REDUCING
8J-8578 VALVE GP-REDUCING
COMBINATION VALVE GROUP
9J-0773 COMBINATION VALVE GROUP
FILTER GP-OIL
9J-1212 FILTER GP-OIL
8K-0182 PUMP LINES GROUP
8K-0182 PUMP LINES GROUP
VALVE GP-RELIEF
8J-2460 VALVE GP-RELIEF
VALVE GP-RELIEF
9J-8732 VALVE GP-RELIEF
VALVE GP-RELIEF
9J-8730 VALVE GP-RELIEF
REDUCING VALVE GROUP
9J-0776 REDUCING VALVE GROUP
VALVE GP
9J-0775 VALVE GP
PISTON MOTOR GROUP
8J-0448 PISTON MOTOR GROUP
PISTON MOTOR GROUP
8J-0448 PISTON MOTOR GROUP
MOTOR GP-PISTON
3G-0784 MOTOR GP-PISTON

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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