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5J3263 EXTERNAL RELIEF VALVE GROUP Part of 7J4936 and 7J4937 Tank and Valve Groups shown on Pages 9, 9R, 12 and 12T 173B


HYDRAULIC SYSTEM
VALVE GP-RELIEF
VALVE GP-CONTROL
PUMP GP

HYDRAULIC CONTROL 173B HYDRAULIC CONTROL 59P
 173B & 183B HYD CONTROLS 59P00001-UP UEG0243S 173B 59P   (1969)

HYDRAULIC SYSTEM

VALVE GP-RELIEF
EXTERNAL RELIEF VALVE GROUP
5J-3263 EXTERNAL RELIEF VALVE GROUP
 

#UEG0243S0060
 

5J-3263: EXTERNAL RELIEF VALVE GROUP

5J3263 EXTERNAL RELIEF VALVE GROUP
Part of 7J4936 and 7J4937 Tank and Valve Groups shown on Pages 9, 9R, 12 and 12T
c203776 UEG0243S
5J3263 EXTERNAL RELIEF VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 173B HYDRAULIC CONTROL:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  6J-1327 [1] BODY  
  5J-3199 [1] COVER  
  3B-1915 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  0L-2070 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  3J-7473 [5] SHIM (.005" THICK)  
  3J-7470 [1] SHIM (.048" THICK)  
  8M-4435 [1] SEAL  
  6J-1311 [1] ROD  
  4F-7115 [1] SPRING  
  1J-8497 [1] VALVE  
  8J-6760 C [1] SEAT  
  8M-5127 [1] SEAL  
  8M-5260 [1] SEAL  
  4K-1388 C [1] SEAL  
  9S-8009 C [1] PLUG  
  9S-8004 C [1] PLUG  
  3J-1907 C [1] SEAL  
  8M-2530 [2] BOLT  
  0S-1616 [1] BOLT  
  9S-1366 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  0T-0320 [2] BOLT  
  3B-4507 [2] LOCKWASHER  
  4J-2923 [1] FLANGE  
  4J-8997 [1] SEAL  
  5J-3151 [1] PLUG  
  5P-2570 C [2] BOLT  
  3B-4507 [2] LOCKWASHER  
  2J-6088 [1] SPRING  
  8M-4986 [1] SEAL  
  8M-5127 [1] SEAL  
  5J-3242 [1] BODY GROUP  
  4J-4759 [1] PLUG  
  4J-0522 [1] SEAL  
  7J-6847 C [1] RETAINER  
  5J-1358 [1] SEAL  
  C   INDICATES CHANGE
 

#UEG0243S0061
 

6J-4734: CONTROL VALVE GROUP

6J4734 CONTROL VALVE GROUP
Part of 7J4936 and 7J4937 Tank and Valve Groups shown on Pages 9, 9C, 9F, 9R, 12, 12C, 12F and 12T
c135320 UEG0243S
6J4734 CONTROL VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 173B HYDRAULIC CONTROL:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2J-5436 [1] VALVE  
  2J-5845 [1] SPRING  
  3J-1553 [1] PLUG  
  2J-5820 [1] PLUG  
  4J-0519 [1] SEAL  
  4J-5267 [1] SEAL  
  4J-2923 [1] FLANGE  
  0T-0320 [2] BOLT  
  3B-4507 [2] LOCKWASHER  
  0S-1590 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  5J-0380 [4] SHIM  
  4J-3789 [1] SPRING  
  4J-1184 [4] PLUG ASSEM.  
  0S-1594 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  5J-8155 [1] DETENT  
  4J-6502 [1] RETAINER  
  4J-6505 [1] HOUSING  
  8J-0381 [1] SPACER  
  4J-6503 [1] RETAINER  
  5J-0561 [1] SPACER  
  3J-5122 [1] PLUG ASSEM.  
  3J-7354 [1] SEAL  
    (PART OF 3J5122 PLUG ASSEM.)
  3J-5317 [1] COVER  
  0S-1585 [3] BOLT  
  3B-4508 [3] LOCKWASHER  
  4J-0523 [2] SEAL  
  1J-8960 [2] SPRING  
  7J-6718 [1] BODY GROUP  
  [1] BODY ASSEM.  
  [1] STEM  
  4J-5140 [1] SEAL  
  5J-2959 [1] PLUG  
  4J-2923 [1] FLANGE  
  0T-0320 [2] BOLT  
  3B-4507 [2] LOCKWASHER  
  4J-0523 [3] SEAL  
  5J-2974 [6] SEAL  
  4J-0523 [2] SEAL  
  5J-8359 [1] BODY  
  4J-7415 [2] VALVE  
  1D-4566 [3] BOLT  
  3B-4508 [3] LOCKWASHER  
 

#UEG0243S0062
 

7J-2026: CONTROL VALVE GROUP

7J2026 CONTROL VALVE GROUP
Serial No. 59P1 to 59P784 inclusive & 60P1 to 60P1091 inclusive. Part of 7J4936 & 7J4937 Tank & Valve Groups shown on Pages 9 & 11
c107407 UEG0243S
7J2026 CONTROL VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 173B HYDRAULIC CONTROL:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3J-2493 [1] PLUG ASSEM.  
    (Part of Body Group 7J1789)
  3K-0360 [1] "O" RING  
    (Part of Plug Assem. 3J2493)
  8F-0394 [1] SPRING  
  4J-2935 [1] SEAT  
  4J-5140 [1] SEAL  
  1J-8497 [1] VALVE  
  4J-2967 [1] SLEEVE  
  2J-6089 [1] SPRING  
  3J-7470 [1] SHIM (.048" Thick)  
  3J-7473 [10] SHIM (.005" Thick)  
  4K-1412 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  4J-2962 [1] COVER  
  5J-2945 [2] PLUG  
  5J-2974 [2] SEAL  
  4J-5267 [4] SEAL  
  4J-3002 [1] SEAT  
  [1] VALVE  
    (Parts of Body Group 7J1789)
  3J-5334 [1] PLUG ASSEM.  
  3J-1907 [1] SEAL  
    (Part of Plug Assem. 3J5334)
  4J-3003 [1] VALVE  
  6B-6663 [1] SPRING  
  4J-2934 [1] PLUG  
  4J-5140 [1] SEAL  
  7J-2025 [1] SPRING  
  5J-2946 [1] SPACER  
  1L-0509 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  1A-4784 [1] WASHER  
  5J-2942 [1] HOUSING  
  4K-1412 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  5J-3670 [1] SPACER  
  [1] STEM  
    (Part of Body Group 7J1789)
  7J-1789 [1] BODY GROUP  
  8M-5260 [9] SEAL  
 

#UEG0243S0063
 

5J-3047: CONTROL VALVE GROUP

5J3047 CONTROL VALVE GROUP--Field Installation
Serial No. 59P5641-Up and 60P7078-Up
Part of 7J4936 and 7J4937 Tank and Valve Groups shown on Pages 9R and 12S
c145197 UEG0243S
5J3047 CONTROL VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 173B HYDRAULIC CONTROL:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  9S-8005 [1] PLUG  
  3K-0360 [1] "O" RING  
    (Parts of 7J1789 Group)
  8F-0394 [1] SPRING  
  4J-2935 [1] SEAT  
  4J-5140 [1] SEAL  
  1J-8497 [1] VALVE  
  4J-2967 [1] SLEEVE  
  2J-6089 [1] SPRING  
  3J-7470 [1] SHIM (.048" Thick)  
  3J-7473 [10] SHIM (.005" Thick)  
  6J-1311 [1] ROD  
  030-8535 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  4J-2962 [1] COVER  
  5J-2945 [2] PLUG  
  5J-2974 [2] SEAL  
  9S-8002 [1] PLUG  
  3J-7354 [1] SEAL  
    (Parts of 7J1789 Group)
  4J-5267 [4] SEAL  
  4J-3002 [1] SEAT  
  [1] VALVE  
    (Parts of Body Group 7J1789)
  9S-8004 [1] PLUG  
  3J-1907 [1] SEAL  
  4J-3003 [1] VALVE  
  6B-6663 [1] SPRING  
  4J-2934 [1] PLUG  
  4J-5140 [1] SEAL  
  7J-2025 [1] SPRING  
  5J-2946 [1] SPACER  
  1L-0509 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  1A-4784 [1] WASHER  
  5J-2942 [1] HOUSING  
  030-8535 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  5J-3670 [1] SPACER  
  [1] STEM  
    (Part of Body Group 7J1789)
  7J-1789 [1] BODY GROUP  
  8M-5260 [9] SEAL  
 

#UEG0243S0064
 

7J-2026: CONTROL VALVE GROUP

7J2026 CONTROL VALVE GROUP--Replaced by 5J3067 shown on Page 14B
Serial No. 59P785 to 59P5640 inclusive and 60P1092 to 60P7077 inclusive
Part of 7J4936 and 7J4937 Tank and Valve Groups shown on Pages 9, 9C, 9F, 9J, 9M, 11, 12B, 12E, 12H, and 12L
c145212 UEG0243S
7J2026 CONTROL VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 173B HYDRAULIC CONTROL:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  9S-8005 C [1] PLUG  
  3K-0360 [1] "O" RING  
    (Parts of 7J1789 Group)
  8F-0394 [1] SPRING  
  4J-2935 [1] SEAT  
  4J-5140 [1] SEAL  
  1J-8497 [1] VALVE  
  4J-2967 [1] SLEEVE  
  2J-6089 [1] SPRING  
  3J-7470 [1] SHIM (.048" Thick)  
  3J-7473 [10] SHIM (.005" Thick)  
  6J-1311 C [1] ROD  
  030-8535 C [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  4J-2962 [1] COVER  
  5J-2945 [2] PLUG  
  5J-2974 [2] SEAL  
  9S-8002 C [1] PLUG  
  3J-7354 C [1] SEAL  
    (Parts of 7J1789 Group)
  4J-5267 [4] SEAL  
  4J-3002 [1] SEAT  
  [1] VALVE  
    (Parts of Body Group 7J1789)
  9S-8004 C [1] PLUG  
  3J-1907 [1] SEAL  
  4J-3003 [1] VALVE  
  6B-6663 [1] SPRING  
  4J-2934 [1] PLUG  
  4J-5140 [1] SEAL  
  7J-2025 [1] SPRING  
  5J-2946 [1] SPACER  
  1L-0509 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  1A-4784 [1] WASHER  
  5J-2942 [1] HOUSING  
  030-8535 C [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  5J-3670 [1] SPACER  
  [1] STEM  
    (Part of Body Group 7J1789)
  7J-1789 [1] BODY GROUP  
  8M-5260 [9] SEAL  
  C   INDICATES CHANGE
 

#UEG0243S0065
 

7J-4152: CONTROL VALVE GROUP

7J4152 CONTROL VALVE GROUP
Part of 7J4937 Tank and Valve Group shown on Pages 11, 12B, 12E,
12H, 12L, 12P and 12S
c126897 UEG0243S
7J4152 CONTROL VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 173B HYDRAULIC CONTROL:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2J-5436 [1] VALVE  
  2J-5845 [1] SPRING  
  2J-5820 [1] PLUG  
  4J-0519 [1] SEAL  
  0S-1585 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4J-5225 [1] FLANGE  
  8F-3469 [4] SEAL  
  4J-5573 [3] SEAL  
  7J-6717 [1] BODY GROUP  
  [1] BODY  
  [1] STEM  
  0L-1352 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  7J-4169 [1] RING  
  7J-4168 [1] RETAINER  
  4J-7446 [1] RETAINER  
  4J-3840 [1] SPRING  
  7J-4153 [1] SPACER  
 

#UEG0243S0066
 

7J-4634: HYDRAULIC PUMP ASSEMBLY

7J4634 HYDRAULIC PUMP ASSEMBLY--Replaced by 9J5058 shown on Pages 19A and 19B
Part of all Arrangements listed on Pages 3 and 4
c205501 UEG0243S
7J4634 HYDRAULIC PUMP ASSEMBLY Parts scheme
  For full view, you need register

Parts for your 173B HYDRAULIC CONTROL:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2H-3931 H [1] SEAL  
  1S-0668 H [1] RING  
  1H-7339 H [1] SEAL  
  4F-7952 H [1] SEAL  
  4J-9222 H [1] RING  
  4J-1657 [1] COVER  
  O [10] VANE  
  O [10] INSERT  
  1D-4574 [4] BOLT  
  O [1] ROTOR  
  4J-2457 [1] COVER  
  O [1] PLATE  
  0T-0319 [4] BOLT  
  O [1] RING  
  O [2] PIN  
  O [2] SCREW  
  O [1] PLATE ASSEM.  
  J [2] SCREW  
  J [10] VANE  
  J [10] INSERT  
  J [2] PIN  
  2H-4145 H [1] SEAL  
  7J-4733 [1] BODY  
  7J-7967 R [1] CARTRIDGE ASSEM.  
    (14 Gallon Per Minute)
    (Consists of Parts Marked O)
  7J-0561 R [1] CARTRIDGE ASSEM.  
    (21 Gallon Per Minute)
    (Consists of Parts Marked J)
  8J-0205 C [1] SHAFT  
  4J-0980 J [1] SEAL  
  4M-7648 [1] WASHER  
  1L-8497 [1] RING  
  6B-1124 [1] BEARING  
  4M-7652 [1] RING  
  1S-0670 H [1] RING  
  1H-9696 J [1] SEAL  
  H [1] PLATE  
  1S-0669 H [1] RING  
  2H-3934 H [1] SEAL  
  J [1] ROTOR  
  J [1] RING  
  J [1] PLATE ASSEM.  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  9J-3000 C [1] KIT (seal)  
    (Consists of Parts Marked H)
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0243S0067
 

7J-0612: HYDRAULIC PUMP ASSEMBLY

7J612 HYDRAULIC PUMP ASSEMBLY--Type 1
Part of all Arrangements listed on Pages 5 and 6
c108893 UEG0243S
7J0612 HYDRAULIC PUMP ASSEMBLY Parts scheme
  For full view, you need register

Parts for your 173B HYDRAULIC CONTROL:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  J [2] SCREW  
  J [1] RING  
  2H-3931 O [1] SEAL  
  1S-0668 O [1] RING  
  1H-7339 O [1] SEAL  
  4J-1657 [1] COVER  
  0T-0319 [4] BOLT  
  4J-3548 [1] WASHER  
  4J-9222 O [1] RING  
  4F-7952 O [1] SEAL  
  J [1] PLATE  
  1D-4597 [4] BOLT  
  J [1] ROTOR  
  J [10] VANE  
  J [10] INSERT  
  H [2] SCREW  
  H [1] PLATE ASSEM.  
  J [2] PIN  
  J [1] PLATE  
  1B-4206 L [2] NUT  
  3B-4510 L [2] LOCKWASHER  
  4J-4670 [1] COVER  
  H [1] ROTOR  
  2J-8163 O [1] SEAL  
  H [2] PIN  
  2H-3928 O [1] SEAL  
  2J-8165 [1] BODY  
  5F-3106 L [1] SEAL  
  H [1] PLATE  
  4J-9225 O [1] RING  
  2L-5271 [1] BEARING  
  2J-8168 [1] WASHER  
  2J-8170 O [1] WIPER  
  4J-6353 [1] SHAFT  
  4J-9285 L [1] KIT (SEAL)  
    (CONSISTS OF PARTS MARKED O)
  7J-0573 [1] CARTRIDGE ASSEM.  
    (38 U.S. GALLONS PER MINUTE)
    (CONSISTS OF PARTS MARKED H)
  7J-0581 [1] CARTRIDGE ASSEM.  
    (14 U.S. GALLONS PER MINUTE)
    (CONSISTS OF PARTS MARKED J)
  2J-8169 O [1] SEAL  
  4M-5285 [1] RING  
  2J-8172 [1] RING  
  1H-5728 O [1] SEAL  
  4J-9220 O [1] RING  
  H [1] RING  
  H [10] VANE  
  H [10] INSERT  
  L   NOT PART OF 7J612 PUMP ASSEM.
 

#UEG0243S0068
 

7J-0612: HYDRAULIC PUMP ASSEMBLY

7J612 HYDRAULIC PUMP ASSEMBLY--Type 2
Part of all Arrangements listed on Pages 5 and 6
c108894 UEG0243S
7J0612 HYDRAULIC PUMP ASSEMBLY Parts scheme
  For full view, you need register

Parts for your 173B HYDRAULIC CONTROL:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  J [2] SCREW  
  J [1] RING  
  2H-3931 O [1] SEAL  
  1S-0668 O [1] RING  
  1H-7339 O [1] SEAL  
  4J-1657 [1] COVER  
  0T-0319 [4] BOLT  
  4J-9222 O [1] RING  
  4F-7952 O [1] SEAL  
  J [1] PLATE  
  1D-4597 [4] BOLT  
  J [1] ROTOR  
  J [10] VANE  
  J [10] INSERT  
  H [2] SCREW  
  H [1] PLATE ASSEM.  
  J [2] PIN  
  J [1] PLATE  
  1B-4206 L [2] NUT  
  3B-4510 L [2] LOCKWASHER  
  4J-4670 [1] COVER  
  H [1] ROTOR  
  2J-8163 O [1] SEAL  
  H [2] PIN  
  2H-3928 O [1] SEAL  
  9J-5123 [1] BODY  
  H [1] PLATE  
  4J-9225 O [1] RING  
  2L-5271 [1] BEARING  
  2J-8168 [1] WASHER  
  2J-8170 O [1] WIPER  
  4J-6353 [1] SHAFT  
  4J-9285 L [1] KIT (seal)  
    (CONSISTS OF PARTS MARKED O)
  7J-0573 [1] CARTRIDGE ASSEM.  
    (38U.S. GALLONS PER MINUTE)
    (CONSISTS OF PARTS MARKED H)
  7J-7967 RC [1] CARTRIDGE ASSEM.  
    (14 U.S. GALLONS PER MINUTE)
    (CONSISTS OF PARTS MARKED J)
  2J-8169 O [1] SEAL  
  4M-5285 [1] RING  
  2J-8172 [1] RING  
  1H-5728 O [1] SEAL  
  4J-9220 O [1] RING  
  H [1] RING  
  H [10] VANE  
  H [10] INSERT  
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
  L   NOT PART OF 7J612 PUMP ASSEM.
 

#UEG0243S0069
 

9J-5058: PUMP GP-VANE

9J5058 HYDRAULIC PUMP GROUP--Type 1
Part of all Arrangements listed on Pages 3 and 4
c156235 UEG0243S
9J5058 PUMP GP-VANE Parts scheme
  For full view, you need register

Parts for your 173B HYDRAULIC CONTROL:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2H-3931 H [1] SEAL  
  1S-0668 H [1] RING  
  1H-7339 H [1] SEAL  
  4F-7952 H [1] SEAL  
  4J-9222 H [1] RING  
  4J-1657 [1] COVER  
  L [10] VANE  
  L [10] INSERT  
  1D-4574 [4] BOLT  
  L [1] ROTOR  
  4J-2457 [1] COVER  
  L [1] PLATE  
  0T-0319 [4] BOLT  
  L [1] RING  
  L [2] PIN  
  L [2] SCREW  
  L [1] PLATE ASSEM.  
  J [2] SCREW  
  J [10] VANE  
  J [10] INSERT  
  J [2] PIN  
  2H-4145 H [1] SEAL  
  9J-5121 [1] BODY  
  9J-5150 [1] SEAL  
  7J-7967 R [1] CARTRIDGE ASSEM.  
    (14 Gallon Per Minute)
    (Consists of Parts Marked L)
  7J-0561 R [1] CARTRIDGE ASSEM.  
    (21 Gallon Per Minute)
    (Consists of Parts Marked J)
  9J-5104 [1] SHAFT  
  4J-0980 H [1] SEAL  
  4M-7648 [1] WASHER  
  1L-8497 [1] RING  
  6B-1124 [1] BEARING  
  4M-7652 [1] RING  
  1S-0670 H [1] RING  
  1H-9696 J [1] SEAL  
  H [1] PLATE  
  4H-0407 H [1] PLUG  
  1S-0669 H [1] RING  
  2H-3934 H [1] SEAL  
  J [1] ROTOR  
  J [1] RING  
  J [1] PLATE ASSEM.  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  9J-5112 [1] KIT (seal)  
    (Consists of Parts Marked H)
  R   REMFG PART MAY BE AVAILABLE
 

Information:

Caterpillar Parts SIS Catalog 173B :

7J-4937 HYDRAULIC TANK AND VALVE GROUP
7J-4937 HYDRAULIC TANK AND VALVE GROUP
HYDRAULIC TANK AND VALVE GROUP
7J-4937 HYDRAULIC TANK AND VALVE GROUP
7J-4937 HYDRAULIC TANK AND VALVE GROUP
7J-4937 HYDRAULIC TANK AND VALVE GROUP
HYDRAULIC TANK AND VALVE GROUP
7J-4937 HYDRAULIC TANK AND VALVE GROUP
7J-4937 HYDRAULIC TANK AND VALVE GROUP
7J-4937 HYDRAULIC TANK AND VALVE GROUP
CONTROL VALVE GROUP
6J-4734 CONTROL VALVE GROUP
CONTROL VALVE GROUP
7J-2026 CONTROL VALVE GROUP
CONTROL VALVE GROUP
5J-3047 CONTROL VALVE GROUP
CONTROL VALVE GROUP
7J-2026 CONTROL VALVE GROUP
CONTROL VALVE GROUP
7J-4152 CONTROL VALVE GROUP
HYDRAULIC PUMP ASSEMBLY
7J-4634 HYDRAULIC PUMP ASSEMBLY
HYDRAULIC PUMP ASSEMBLY
7J-0612 HYDRAULIC PUMP ASSEMBLY
HYDRAULIC PUMP ASSEMBLY
7J-0612 HYDRAULIC PUMP ASSEMBLY

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The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
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.