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3G3920 SERVO VALVE GROUP Part of 8J4501 Pump Control Head Group shown on Page 126A 3G3918 Spool and 3G3919 Sleeve are replaced by 3G3927 225


HYDRAULIC SYSTEM
VALVE GP-SERVO
VALVE GP
PUMP GP
LINES GP-PUMP

EXCAVATOR 225 EXCAVATOR 51U
 225 EXCAVATOR 51U02034-02831 (MACHINE) POWERED BY 3208 ENGINE SEBP1159 225 51U   (1972)

HYDRAULIC SYSTEM

VALVE GP-SERVO
SERVO VALVE GROUP
9J-3875 SERVO VALVE GROUP
VALVE GP-SERVO
3G-3920 VALVE GP-SERVO
 

#SEBP11590250
 

3G-3920: VALVE GP-SERVO

3G3920 SERVO VALVE GROUP
Part of 8J4501 Pump Control Head Group shown on Page 126A
3G3918 Spool and 3G3919 Sleeve are replaced by 3G3927
c232213 SEBP1159
3G3920 VALVE GP-SERVO Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-3919 [1] SLEEVE  
2. 8J-2027 [1] SPACER  
3. 3D-8317 [1] RING  
4. 3G-3917 [1] STOP  
5. 3G-3916 [1] RING  
6. 8J-2032 [1] PISTON  
7. 9J-4999 [1] PISTON ASSEM.  
8. 8J-2040 [1] INSERT  
9. 2L-6726 [1] RING  
10. 8J-8345 [1] CARTRIDGE  
11. 8S-3159 C [1] SETSCREW  
12. 3G-3918 [1] SPOOL  
  C   INDICATES CHANGE
 

#SEBP11590251
 

3G-3927: VALVE GP

3G3927 FOLLOWER VALVE GROUP--Field Installation
c215498 SEBP1159
3G3927 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. 3G-3917 [1] STOP  
2. 8J-2027 [1] SPACER  
3. 3D-8317 [1] RING  
4. 3G-3916 [1] RING  
5. 3G-3919 [1] SLEEVE  
6. 3G-3918 [1] SPOOL  
 

#SEBP11590252
 

8J-2059: GEAR PUMP GROUP

8J2059 GEAR PUMP GROUP--Swing and Pilot
Serial No. 51U2034 to 2727, 2729 to 2733 and 51U2735--Up and 61X1--Up
c145896 SEBP1159
8J2059 GEAR 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. 8H-5724 [8] NUT  
2. 6J-2391 [8] WASHER  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  9J-0488 [1] KIT (repair front)  
  8J-8364 [1] KIT (repair rear)  
  8J-9239 [1] KIT (seal)  
    (Includes Seals & Retainer)
 

#SEBP11590253
 

3G-2875: PUMP GP-GEAR

3G2875 GEAR PUMP GROUP
To permit addition of hydraulic circuit
AN ATTACHMENT
c168304 SEBP1159
3G2875 PUMP GP-GEAR Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-1280 [1] SPACER  
2. 2H-3046 [8] STUD  
  8H-5724 [8] NUT  
3. 6J-2391 [12] WASHER  
4. 5S-1522 [1] RING  
5. 7J-4772 [1] COUPLING  
6. 1H-6227 [1] SEAL  
7. 8J-5790 [1] COVER  
8. 0S-1620 [4] BOLT  
9. 2D-4534 [4] BOLT  
10. 9J-9841 [1] PLUG  
11. 9J-5654 C [2] SEAL  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  3G-2316 [1] KIT (section front)  
  8J-5784 [1] KIT (section rear)  
  8J-5785 [1] KIT (seal)  
    (Includes Seals, Rings and Spacer)
  C   INDICATES CHANGE
 

#SEBP11590254
 

3G-4466: PUMP GP-GEAR

3G4466 GEAR PUMP GROUP--Pilot Pump
Serial No. 51U2728 and 51U2734 only
c220244 SEBP1159
3G4466 PUMP GP-GEAR Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-1859 [1] COUPLING  
  2J-6356 [1] RING (snap)  
2. 1J-6473 [1] RING  
3. 2D-9359 [1] SEAL  
4. 5L-4183 [8] BOLT  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  3G-1831 [1] SEAL KIT  
 

#SEBP11590255
 

9J-7900: PUMP GP-GEAR

9J7900 AUXILIARY GEAR PUMP GROUP--8 GPM--Field Installation
FOR USE WITH 3G2875 GEAR PUMP GROUP & 2V1727 PUMP LINES GROUP
SHOWN ON PAGES 27 & 127C
c215333 SEBP1159
9J7900 PUMP GP-GEAR Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1T-0417 [8] BOLT-12 POINT HEAD  
2. 3G-5994 [1] COUPLING-SPLINE  
3. 7J-4772 [1] COUPLING-SPLINE  
4. 5S-1522 [1] RING-SNAP  
   
    THE FOLLOWING REPAIR
    KIT IS AVAILABLE:
  3G-5989 [1] KIT-SEAL  
    (INCL SEALS & RING)
 

#SEBP11590256
 

9J-7901: PUMP GP-GEAR

9J7901 AUXILIARY GEAR PUMP GROUP--15 GPM--Field Installation
FOR USE WITH 3G2875 GEAR PUMP GROUP & 2V1727 PUMP LINES GROUP
SHOWN ON PAGES 127 & 127C
c215329 SEBP1159
9J7901 PUMP GP-GEAR Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1T-0417 [8] BOLT-12 POINT HEAD  
2. 3G-5994 [1] COUPLING-SPLINE  
3. 7J-4772 [1] COUPLING-SPLINE  
4. 5S-1522 [1] RING-SNAP  
   
    THE FOLLOWING REPAIR
    KIT IS AVAILABLE:
  3G-5989 [1] KIT-SEAL  
    (INCL SEALS & RING)
 

#SEBP11590257
 

9J-7902: PUMP GP-AUXILIARY GEAR

9J7902 AUXILIARY GEAR PUMP GROUP--22 GPM--Field Installation
FOR USE WITH 3G2875 GEAR PUMP GROUP & 2V1726 PUMP LINES
GROUP SHOWN ON PAGES 127 & 127D
c215330 SEBP1159
9J7902 PUMP GP-AUXILIARY GEAR Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5S-1522 [2] RING-SNAP  
2. 0S-1595 [8] BOLT  
  6J-2391 [8] WASHER  
3. 3G-5991 [1] COUPLING-SPLINE  
  3G-5990 [1] KIT-SEAL  
    (INCL RETAINER,
    RING & SEAL)
 

#SEBP11590258
 

9J-7903: PUMP GP-GEAR

9J7903 AUXILIARY GEAR PUMP GROUP--28 GPM--Field Installation
FOR USE WITH 3G2875 GEAR PUMP GROUP & 2V1726 PUMP LINES GROUP
SHOWN ON PAGES 127 & 127D
c215331 SEBP1159
9J7903 PUMP GP-GEAR Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5S-1522 [2] RING-SNAP  
2. 0S-1595 [8] BOLT  
  6J-2391 [8] WASHER  
3. 3G-5991 [1] COUPLING-SPLINE  
  3G-5990 [1] KIT-SEAL  
    (INCL RETAINER,
    RING & SEAL)
 

#SEBP11590259
 

2V-1727: AUXILIARY PUMP LINES GROUP

2V1727 AUXILIARY PUMP LINES GROUP--Field Installation
FOR USE WITH 9J7900 OR 9J7901 GEAR PUMP GROUPS SHOWN ON PAGE 127A
c215338 SEBP1159
2V1727 AUXILIARY PUMP LINES GROUP Parts scheme
  For full view, you need register

Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-1915 [4] BOLT  
2. 4B-4278 [12] WASHER  
3. 1P-4576 [4] FLANGE  
  4J-5267 [2] SEAL  
4. 2V-1695 [1] HOSE ASSEM. 96.5 cm(38 in.)  
5. 030-7950 [1] ELBOW  
6. 3R-9704 [1] ELBOW  
  3D-2824 [1] SEAL  
7. 1P-4582 [2] FLANGE  
  8F-6711 [1] SEAL  
8. 0S-1587 [4] BOLT  
9. 4B-4280 [8] WASHER  
10. 2V-1697 [1] HOSE ASSEM. 86 cm(33.85 in.)  
11. 0S-1588 [8] BOLT  
12. 1P-4577 [2] FLANGE  
  4J-0520 [1] SEAL  
13. 2V-1700 [1] ELBOW  
14. 1H-7339 [1] SEAL  
15. 3J-7479 [1] COVER  
  4J-0519 [1] SEAL  
  0L-1351 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
16. 4F-7226 [4] BOLT  
17. 3B-4507 [8] LOCKWASHER  
18. 2V-1724 [1] TUBE ASSEM.  
    (Includes)
19. 9S-4184 [1] PLUG  
  3D-2824 [1] SEAL  
20. 0T-0768 [4] BOLT  
21. 1P-3705 [2] SEAL  
22. 1P-4584 [2] FLANGE  
  5H-8848 [1] SEAL  
23. 6F-5282 [4] BOLT  
24. 2V-1698 [1] HOSE ASSEM. 106.5 cm(41.92 in.)  
 

Information:

Service Magazine
Use FT1612 Pump Tool To Adjust Servo Valve In Piston Type Hydraulic Pump{0654,5070}
1981/05/25

Caterpillar Parts SIS Catalog 225 :

HEAD GP-PUMP CONTROL
8J-4501 HEAD GP-PUMP CONTROL
SERVO VALVE GROUP
9J-3875 SERVO VALVE GROUP
HEAD GP-PUMP CONTROL
8J-4501 HEAD GP-PUMP CONTROL
HEAD GP-PUMP
3G-3286 HEAD GP-PUMP
PUMP GP-PISTON
3G-3287 PUMP GP-PISTON
PUMP GP-PISTON
3G-3287 PUMP GP-PISTON
PUMP GP-PISTON
9J-9362 PUMP GP-PISTON
PUMP GP-PISTON
9J-9362 PUMP GP-PISTON
VALVE GP
3G-3927 VALVE GP
GEAR PUMP GROUP
8J-2059 GEAR PUMP GROUP
PUMP GP-GEAR
3G-2875 PUMP GP-GEAR
PUMP GP-GEAR
3G-4466 PUMP GP-GEAR
PUMP GP-GEAR
9J-7900 PUMP GP-GEAR
PUMP GP-GEAR
9J-7901 PUMP GP-GEAR
PUMP GP-AUXILIARY GEAR
9J-7902 PUMP GP-AUXILIARY GEAR
PUMP GP-GEAR
9J-7903 PUMP GP-GEAR

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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