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8J3888 CONTROL VALVE GROUP--5 Stem--Part 1 of 2 Serial No. 51U203 to 51U394 inclusive 225 EXCAVATOR


HYDRAULIC SYSTEM
VALVE GP-CONTROL
VALVE GP

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

HYDRAULIC SYSTEM

VALVE GP-CONTROL
CONTROL VALVE GROUP
8J-3888 CONTROL VALVE GROUP
8J-3888 CONTROL VALVE GROUP
CONTROL VALVE GROUP
8J-3888 CONTROL VALVE GROUP
8J-3888 CONTROL VALVE GROUP
CONTROL VALVE GROUP
8J-3888 CONTROL VALVE GROUP
8J-3888 CONTROL VALVE GROUP
 

#UEG0663S0110
 

8J-3888: CONTROL VALVE GROUP

8J3888 CONTROL VALVE GROUP--5 Stem--Part 1 of 2
Serial No. 51U203 to 51U394 inclusive
c146419 UEG0663S
8J3888 CONTROL 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. 8J-8807 [5] HOUSING  
2. 1H-5728 [8] SEAL  
3. 0T-0055 [20] BOLT  
4. 3B-4506 [32] LOCKWASHER  
5. 9S-4191 [7] PLUG  
  3J-1907 [7] SEAL  
6. 9F-2167 [8] SCREW  
7. 0S-1571 [12] BOLT  
8. 8J-8806 [3] HOUSING  
9. 4J-0522 [2] SEAL  
10. 8J-3596 [2] HOUSING  
11. 4F-5192 [8] BOLT  
  3B-4507 [8] LOCKWASHER  
12. 8J-3599 [2] SPRING  
13. 8J-4360 C [3] SPRING (outer)  
18. 3B-4508 C [3] LOCKWASHER  
  1J-8965 C [3] WASHER  
25. 8J-0350 [6] RETAINER  
26. 0S-1621 [3] BOLT  
27. 8J-0351 C [6] RETAINER  
28. 4B-9605 C [18] SHIM  
29. 8J-4361 C [3] SPRING (inner)  
30. 9S-8004 [1] PLUG  
31. 3J-1907 [2] SEAL  
32. 8J-9990 [1] PLUG  
  C   INDICATES CHANGE
 

#UEG0663S0111
 

8J-3888: CONTROL VALVE GROUP

8J3888 CONTROL VALVE GROUP--5 Stem--Part 2 of 2
Serial No. 51U203 to 51U394 inclusive. 8J4560, 8J328, 8J6798 and
8J4641 Valve parts are shown on Pages 71J, 72 and 73
c146420 UEG0663S
8J3888 CONTROL 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. 8J-4645 [6] PLUG  
  7J-7852 [6] SPRING  
2. 7M-8485 [12] SEAL  
3. 8J-0324 [6] PLUG  
  5F-5835 C [6] SPRING  
4. 8J-0328 Y [2] VALVE GROUP  
    (Separate Illustration)
5. 8J-6798 Y [2] VALVE GROUP  
    (Separate Illustration)
6. 8J-4641 Y [2] VALVE GROUP  
    (Separate Illustration)
7. 8J-4560 Y [1] VALVE GROUP  
    (Separate Illustration)
8. 8J-6815 [2] PLUG  
9. 4F-7952 [1] SEAL  
10. 8J-1567 [1] MANIFOLD  
11. 0T-0319 [2] BOLT  
  3B-4507 [2] LOCKWASHER  
12. 9S-4180 [2] PLUG  
  4J-7533 [2] SEAL  
13. 2M-4453 [4] SEAL  
14. 9S-4183 [2] PLUG  
  3D-2824 [2] SEAL  
15. 2S-4078 [5] SEAL  
16. 9J-2021 C [5] PLUG  
17. 7S-8491 [5] SPRING  
18. 7J-7423 [5] VALVE  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0663S0112
 

8J-3888: CONTROL VALVE GROUP

8J3888 CONTROL VALVE GROUP--5 Stem--Part 1 of 2
Serial No. 51U395 to 51U561 inclusive
c146602 UEG0663S
8J3888 CONTROL 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. 8J-8807 [5] HOUSING  
2. 1H-5728 [8] SEAL  
3. 0T-0055 [20] BOLT  
4. 3B-4506 [32] LOCKWASHER  
5. 9S-4191 [7] PLUG  
  3J-1907 [7] SEAL  
6. 9F-2167 [8] SCREW  
7. 0S-1571 [12] BOLT  
8. 8J-8806 [3] HOUSING  
9. 4J-0522 [2] SEAL  
10. 8J-3596 [2] HOUSING  
11. 4F-5192 [8] BOLT  
  3B-4507 [8] LOCKWASHER  
12. 8J-3599 [2] SPRING  
13. 9S-8004 [1] PLUG  
14. 3J-1907 [2] SEAL  
15. 8J-9990 [1] PLUG  
 

#UEG0663S0113
 

8J-3888: CONTROL VALVE GROUP

8J3888 CONTROL VALVE GROUP--5 Stem--Part 2 of 2
Serial No. 51U395 to 51U561 inclusive. 8J4560, 8J328, 8J6798 and
8J4641 Valve parts are shown on Pages 71K, 72 and 73
c146603 UEG0663S
8J3888 CONTROL 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. 8J-4645 [6] PLUG  
  7J-7852 [6] SPRING  
2. 7M-8485 [12] SEAL  
3. 8J-0324 [6] PLUG  
  5F-5835 [6] SPRING  
4. 8J-0328 Y [2] VALVE GROUP  
    (Separate Illustration)
5. 8J-6798 Y [2] VALVE GROUP  
    (Separate Illustration)
6. 8J-4641 Y [2] VALVE GROUP  
    (Separate Illustration)
7. 8J-4560 Y [1] VALVE GROUP  
    (Separate Illustration)
8. 8J-6815 [2] PLUG  
9. 4F-7952 [1] SEAL  
10. 9J-2397 C [1] MANIFOLD  
11. 5K-0517 C [2] BOLT  
  3B-4507 [2] LOCKWASHER  
12. 9S-4180 [2] PLUG  
  4J-7533 [2] SEAL  
13. 2M-4453 [4] SEAL  
14. 9S-4183 [2] PLUG  
  3D-2824 [2] SEAL  
15. 2S-4078 [5] SEAL  
16. 9J-2021 C [5] PLUG  
17. 7S-8491 [5] SPRING  
18. 7J-7423 [5] VALVE  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0663S0114
 

8J-3888: CONTROL VALVE GROUP

8J3888 CONTROL VALVE GROUP--5 Stem--Part 1 of 2
Serial No. 51U562-Up
c149408 UEG0663S
8J3888 CONTROL 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. 8J-8807 [5] HOUSING  
2. 1H-5728 [8] SEAL  
3. 0T-0055 [20] BOLT  
4. 3B-4506 [32] LOCKWASHER  
5. 9S-4191 C [8] PLUG  
  3J-1907 [8] SEAL  
6. 9F-2167 [8] SCREW  
7. 0S-1571 [12] BOLT  
8. 8J-8806 [3] HOUSING  
9. 4J-0522 [2] SEAL  
10. 8J-3596 [2] HOUSING  
11. 4F-5192 [8] BOLT  
  3B-4507 [8] LOCKWASHER  
12. 8J-3599 [2] SPRING  
13. 8J-9990 [1] PLUG  
  3J-1907 [1] SEAL  
  C   INDICATES CHANGE
 

#UEG0663S0115
 

8J-3888: CONTROL VALVE GROUP

8J3888 CONTROL VALVE GROUP--5 Stem--Part 2 of 2
Serial No. 51U562-Up. 8J4560, 8J328, 8J6798 and 9J2505
Valve parts are shown on Pages 71K, 72 and 73B
c149409 UEG0663S
8J3888 CONTROL 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. 8J-4645 [6] PLUG  
  7J-7852 [6] SPRING  
2. 7M-8485 [12] SEAL  
3. 8J-0324 [6] PLUG  
  5F-5835 [6] SPRING  
4. 8J-0328 Y [2] VALVE GROUP  
    (Separate Illustration)
5. 8J-6798 Y [2] VALVE GROUP  
    (Separate Illustration)
6. 9J-2505 YC [2] VALVE GROUP  
    (Separate Illustration)
7. 8J-4560 Y [1] VALVE GROUP  
    (Separate Illustration)
8. 8J-6815 [2] PLUG  
9. 4F-7952 [1] SEAL  
10. 9J-2397 [1] MANIFOLD  
11. 5K-0517 [2] BOLT  
12. 9S-4180 [2] PLUG  
  4J-7533 [2] SEAL  
13. 2M-4453 [4] SEAL  
14. 9S-4183 [2] PLUG  
  3D-2824 [2] SEAL  
15. 2S-4078 [5] SEAL  
16. 9J-2021 [5] PLUG  
17. 7S-8491 [5] SPRING  
18. 7J-7423 [5] VALVE  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0663S0116
 

8J-4421: BASIC VALVE GROUP

8J4421 BASIC VALVE GROUP
Serial No. 51U203 to 51U388 inclusive
Part of Control Valve shown on Page 67B
c147902 UEG0663S
8J4421 BASIC 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. 8B-4624 [3] SHIM (.032 in. thick)  
  8J-1864 [6] SHIM (.005 in. thick)  
2. 8J-1588 [1] RETAINER  
3. 8S-9089 [1] BOLT  
  3B-4508 [1] LOCKWASHER  
  1J-8965 [1] WASHER  
  8J-1590 [1] SPACER  
4. 1M-7534 [2] SHIM (.030 in. thick)  
  2J-2866 [4] SHIM (.005 in. thick)  
5. 8J-3598 [1] SPRING  
6. 8J-1589 [1] RETAINER  
 

#UEG0663S0117
 

8J-4421: BASIC VALVE GROUP

8J4421 BASIC VALVE GROUP
Serial No. 51U389-Up
Part of Control Valve shown on Page 67D
c146607 UEG0663S
8J4421 BASIC 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. 8B-4624 [6] SHIM (.032 in. thick)  
  8J-1864 [1] SHIM (.005 in. thick)  
2. 8J-1588 [1] RETAINER  
3. 8S-9089 [1] BOLT  
  8J-1590 [1] SPACER  
4. 3B-4508 C [3] LOCKWASHER  
  1J-8965 C [3] WASHER  
5. 1M-7534 [2] SHIM (.020 in. thick)  
  2J-2866 [4] SHIM (.005 in. thick)  
6. 8J-3598 [1] SPRING  
7. 8J-1589 [1] RETAINER  
8. 8J-4360 C [2] SPRING (outer)  
9. 9S-1328 C [1] WASHER  
10. 0S-1621 C [2] BOLT  
11. 8J-0350 C [4] RETAINER  
12. 4B-9605 C [12] SHIM  
13. 8J-4361 C [2] SPRING (inner)  
14. 8J-0351 C [4] RETAINER  
  C   INDICATES CHANGE
 

#UEG0663S0118
 

8J-4560: BASIC VALVE GROUP

8J4560 BASIC VALVE GROUP
Serial No. 51U203 to 51U394 inclusive
Part of Control Valve shown on Page 71B
c146604 UEG0663S
8J4560 BASIC 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. 8B-4624 [4] SHIM (.032 in. thick)  
2. 8J-1864 [12] SHIM (.005 in. thick)  
3. 8J-4361 [1] SPRING (inner)  
4. 4B-9605 [6] SHIM  
5. 0S-1573 [1] BOLT  
  8J-0354 [1] SPACER  
6. 1J-8965 [2] WASHER  
7. 3B-4508 [2] LOCKWASHER  
8. 8J-0351 [2] RETAINER  
9. 8J-4360 [1] SPRING (outer)  
10. 8J-6797 [2] RETAINER  
11. 2J-2866 [4] SHIM (.005 in. thick)  
  1M-7534 [2] SHIM (.020 in. thick)  
12. 8S-9089 [1] BOLT  
  8J-1590 [1] SPACER  
13. 8J-1588 [1] RETAINER  
14. 8J-3598 [1] SPRING  
15. 8J-1589 [1] RETAINER  
 

#UEG0663S0119
 

8J-4560: BASIC VALVE GROUP

8J4560 BASIC VALVE GROUP
Serial No. 51U395-Up
Part of Control Valve shown on Page 71D
c147035 UEG0663S
8J4560 BASIC 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. 8B-4624 [4] SHIM (.032 in. thick)  
2. 8J-1864 [12] SHIM (.005 in. thick)  
3. 8J-4361 [4] SPRING (inner)  
4. 4B-9605 [24] SHIM  
5. 0S-1573 [1] BOLT  
  8J-0354 [1] SPACER  
6. 1J-8965 [5] WASHER  
7. 3B-4508 [5] LOCKWASHER  
8. 8J-0351 [8] RETAINER  
9. 8J-4360 [4] SPRING (outer)  
10. 8J-6797 [2] RETAINER  
11. 2J-2866 [4] SHIM (.005 in. thick)  
  1M-7534 [2] SHIM (.020 in. thick)  
12. 8S-9089 [1] BOLT  
  8J-1590 [1] SPACER  
13. 8J-1588 [1] RETAINER  
14. 8J-3598 [1] SPRING  
15. 8J-1589 [1] RETAINER  
16. 8J-0350 [6] RETAINER  
17. 0S-1621 [3] BOLT  
 

Information:

Special Instruction
Parts List For Installation Of Field Conversion Stick Check Valve Lines Group And Increased Pressure Control Group{5450}
Parts List For Installation Of Field Conversion Stick Check Valve Lines Group And Increased Pressure Control Group{5450}
Installation Of Field Conversion Stick Check Valve Lines Group And Increased Pressure Control Group{5450}
Installation Of Field Conversion Stick Check Valve Lines Group And Increased Pressure Control Group{5450}
Specifications
Boom Vent Valve<BR> (8J6696 &amp; 9J387)
225 EXCAVATOR HYDRAULIC SYSTEM
Main System Control Valves<BR> (8J3887 and 8J3888)
225 EXCAVATOR HYDRAULIC SYSTEM
Speed Control And Steering Valve<BR> (8J3889)
225 EXCAVATOR HYDRAULIC SYSTEM
Make-Up Valve<BR> (7J7853)
225 EXCAVATOR HYDRAULIC SYSTEM
Boom Check And Relief Valve<BR> (8J6311)
225 EXCAVATOR HYDRAULIC SYSTEM
Boom Vent Valve<BR> (9J387)
225 EXCAVATOR HYDRAULIC SYSTEM
Main Control Valve<BR> (3G3940)
225 EXCAVATOR HYDRAULIC SYSTEM
Main Control Valve<BR> (3G3125)
225 EXCAVATOR HYDRAULIC SYSTEM
Main Control Valve<BR> (1U4597)
225 EXCAVATOR HYDRAULIC SYSTEM
Speed Control And Steering Valve<BR> (3G3818)
225 EXCAVATOR HYDRAULIC SYSTEM
Boom Check And Relief Valve<BR> (8J6311)
225 EXCAVATOR HYDRAULIC SYSTEM
Logic Valve<BR> (3G4063)
225 EXCAVATOR HYDRAULIC SYSTEM
Tool Operating Manual
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}
Disassembly and Assembly
Boom Check And Relief Valve
225 EXCAVATOR VEHICLE SYSTEMS
Boom Speed Control Valve
225 EXCAVATOR VEHICLE SYSTEMS
Boom Speed Control Valve
225 EXCAVATOR VEHICLE SYSTEMS
Boom Vent Valve
225 EXCAVATOR VEHICLE SYSTEMS
Safety Valve
225 EXCAVATOR VEHICLE SYSTEMS
Bucket And Boom Pilot Control Valve
225 EXCAVATOR VEHICLE SYSTEMS
Stick And Swing Pilot Control Valve
225 EXCAVATOR VEHICLE SYSTEMS
Pilot Control Valves
225 EXCAVATOR VEHICLE SYSTEMS
Speed And Direction Pilot Control Valve
225 EXCAVATOR VEHICLE SYSTEMS
Make-Up Valves
225 EXCAVATOR VEHICLE SYSTEMS
Three Stem Control Valve
225 EXCAVATOR VEHICLE SYSTEMS
Five Stem Control Valve
225 EXCAVATOR VEHICLE SYSTEMS
Summing Valve
225 EXCAVATOR VEHICLE SYSTEMS
Three Stem Control Valve
225 EXCAVATOR VEHICLE SYSTEMS
Five Stem Control Valve
225 EXCAVATOR VEHICLE SYSTEMS
Line Make-Up Valves
225 EXCAVATOR VEHICLE SYSTEMS
Make-Up Valves
225 EXCAVATOR VEHICLE SYSTEMS
Boom Check And Relief Valve
225 EXCAVATOR VEHICLE SYSTEMS
Boom Vent Valve
225 EXCAVATOR VEHICLE SYSTEMS
Logic Valve
225 EXCAVATOR VEHICLE SYSTEMS
Stick And Swing Pilot Control Valve
225 EXCAVATOR VEHICLE SYSTEMS
Bucket And Boom Pilot Control Valve
225 EXCAVATOR VEHICLE SYSTEMS
Pilot Control Valves
225 EXCAVATOR VEHICLE SYSTEMS
Speed And Direction Pilot Control Valve
225 EXCAVATOR VEHICLE SYSTEMS
Service Magazine
New Seal Used In Pilot Control Valve{5452,5059}
1980/03/24
New Pilot Valve Group And Control Valve Group Give Improved Modulation For Swing Control{5465,5464}
1981/04/06
Check Valve Lines Group Available For Field Installation Of Load Check Valve In Stick Circuit{5472,5057}
1981/06/01
New Stem And Springs In Overspeed Valves Permit Operation Down Steeper Grades Without Track Motor Damage{5051,5451,5474}
1982/03/15
New Boom Check And Relief Valve Prevents Boom Drift In Some Load Conditions{5453,5057}
1984/01/23
New Lip-Type Seal Helps Prevent Leaks In Hydraulic Control Valve Groups{5050}
1984/06/11
New Torque Value For Load Check Valve Plugs And Core Clean-Out Plugs In Main Control Valves{5451,5051}
1978/11/20
Different Rod Ends Can Be Used In Control Linkage For Pilot Valve{5063}
1979/02/19
Loose Orifices Or Ones Not Installed In Main Hydraulic Control Valves Can Cause Track Chatter{5451,5058,4150,4351}
1979/10/15
New Spring Retainer Used In Main Hydraulic Control Valves{5051}
1994/09/26
The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

Caterpillar Parts SIS Catalog 225 :

8J-3888 CONTROL VALVE GROUP
CONTROL VALVE GROUP
8J-3888 CONTROL VALVE GROUP
8J-3888 CONTROL VALVE GROUP
CONTROL VALVE GROUP
8J-3888 CONTROL VALVE GROUP
8J-3887 CONTROL VALVE GROUP
CONTROL VALVE GROUP
8J-3887 CONTROL VALVE GROUP
8J-3887 CONTROL VALVE GROUP
CONTROL VALVE GROUP
8J-3887 CONTROL VALVE GROUP
8J-3888 CONTROL VALVE GROUP
CONTROL VALVE GROUP
8J-3888 CONTROL VALVE GROUP
8J-3888 CONTROL VALVE GROUP
CONTROL VALVE GROUP
8J-3888 CONTROL VALVE GROUP
8J-3888 CONTROL VALVE GROUP
BASIC VALVE GROUP
8J-4421 BASIC VALVE GROUP
BASIC VALVE GROUP
8J-4421 BASIC VALVE GROUP
BASIC VALVE GROUP
8J-4560 BASIC VALVE GROUP

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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AVSpare.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only. Cat® and Caterpillar® are registered trademarks of Caterpillar, Inc.