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HYDRAULIC PUMP AND LINES Effective with Serial No. 53A1210 3K1796 Hydraulic Pump Assembly and 3K6609 Hydraulic Oil Filter Group parts are shown on Pages 211 and 214 Refer also to Page 294, 295 and 296 for special parts 977H


HYDRAULIC SYSTEM
LINES GP-PUMP
POWER TRAIN
FILTER GP
HYDRAULIC SYSTEM
FILTER GP
LINES GP-HYDRAULIC
CYLINDER GP
OPERATOR STATION
CONTROL GP-HYDRAULIC
FRAME AND BODY
FRAME GP

TRACK LOADER 977H TRACK LOADER 53A
 977 TRAXCAVATOR 53A00001-01906 (MACHINE) UE034905 977H 53A   (1960)

HYDRAULIC SYSTEM

LINES GP-PUMP
HYDRAULIC PUMP AND LINES
HYDRAULIC PUMP AND LINES
HYDRAULIC PUMP AND LINES
HYDRAULIC PUMP AND LINES
 

#UE0349050260
 

HYDRAULIC PUMP AND LINES

HYDRAULIC PUMP AND LINES
Effective with Serial No. 53A1210
3K1796 Hydraulic Pump Assembly and 3K6609 Hydraulic Oil Filter Group parts are shown on Pages 211 and 214
Refer also to Page 294, 295 and 296 for special parts
c67246 UE034905
None HYDRAULIC PUMP AND LINES Parts scheme
  For full view, you need register

Parts for your 977H TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3K-6609 Y [1] FILTER GROUP  
    (SEE SEPARATE ILLUSTRATION)
  5H-4450 [4] CLAMP  
  2B-0947 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  1H-9696 [3] SEAL  
  7H-0010 [1] HOSE  
  0S-1585 [4] BOLT  
  3B-4508 [4] LOCKWASHER  
  5H-8848 [1] SEAL  
  3K-2948 [1] TUBE ASSEM.  
  3K-7173 [1] HOSE ASSEM.  
  1A-2029 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  4B-5271 [1] WASHER  
  3K-9599 [1] BRACKET  
  7F-1354 [1] "U" BOLT  
  1D-4717 [2] NUT  
  3B-4506 [2] LOCKWASHER  
  4B-5271 [2] WASHER  
  1A-1460 [4] BOLT  
  3B-4508 [4] LOCKWASHER  
  0S-1595 [3] BOLT  
  3B-4508 [3] LOCKWASHER  
  3K-2956 [1] PLUG  
  6F-5559 [1] SEAL  
  3K-2096 [1] TUBE ASSEM.  
  5H-8848 [1] SEAL  
  0S-1585 [8] BOLT  
  3B-4508 [8] LOCKWASHER  
  3K-1796 Y [1] PUMP ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  1D-4574 [1] BOLT  
  3B-4508 [1] LOCKWASHER  
  3K-2354 [1] GASKET  
  9F-1399 [1] SEAL  
  0S-1587 [4] BOLT  
  3B-4508 [4] LOCKWASHER  
  2B-0947 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  3K-5143 [1] ADAPTER  
  0S-1587 [1] BOLT  
  3B-4508 [1] LOCKWASHER  
  3H-4330 [2] FLANGE  
  7F-8267 [1] SEAL  
  3K-7024 [1] HOSE ASSEM. (47"LONG)  
  Y   SEPARATE ILLUSTRATION
 

#UE0349050261
 

3K-6609: HYDRAULIC OIL FILTER GROUP

3K6609 HYDRAULIC OIL FILTER GROUP
Serial No. 53A1 to 53A1741 inclusive
Part of Hydraulic Pump and Lines shown on Pages 212 and 213
c71907 UE034905
3K6609 HYDRAULIC OIL FILTER GROUP Parts scheme
  For full view, you need register

Parts for your 977H TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3K-5914 [10] STUD  
    (PART OF ASSEM. 3K5999)
  3K-5861 [1] BOLT  
  1K-4703 [1] WASHER  
  1B-4206 [10] NUT  
  3J-8741 [10] WASHER  
  3K-5982 [1] COVER  
  2J-8125 [1] SEAL  
  2K-8256 [1] WASHER  
  2K-8257 [1] SEAL  
  3K-6693 [1] HOUSING  
  5H-3257 [1] SPRING  
  5H-3253 [1] VALVE  
  5H-3335 [1] SPRING  
  5H-3255 [1] WASHER  
  5H-3249 [1] RING  
  3K-5999 [1] HOUSING ASSEM.  
  4J-0806 [1] ELEMENT ASSEM. (DISPOSABLE)  
  2J-6189 [1] WASHER  
  5F-1678 [1] SEAL  
  3B-1915 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  3K-8704 [1] COVER  
 

#UE0349050262
 

3K-6609: HYDRAULIC OIL FILTER GROUP

3K6609 HYDRAULIC OIL FILTER GROUP
Effective with Serial No. 53A1742
Part of Hydraulic Pump and Lines shown on Page 213
c84329 UE034905
3K6609 HYDRAULIC OIL FILTER GROUP Parts scheme
  For full view, you need register

Parts for your 977H TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3K-5861 [1] BOLT  
  1K-4703 [1] WASHER  
  0S-1625 [10] BOLT  
  3J-8741 [10] WASHER  
  3K-5982 [1] COVER  
  2J-8125 [1] SEAL  
  2K-8256 [1] WASHER  
  2K-8257 [1] SEAL  
  3K-6693 [1] HOUSING  
  5H-3257 [1] SPRING  
  5H-3253 [1] VALVE  
  5H-3335 [1] SPRING  
  5H-3255 [1] WASHER  
  5H-3249 [1] RING  
  3K-5991 [1] HOUSING ASSEM.  
  4J-0806 [1] ELEMENT ASSEM.  
    (DISPOSABLE)
  2J-6189 [1] WASHER  
  5F-1678 [1] SEAL  
  3B-1915 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  3K-8704 [1] COVER  
 

#UE0349050263
 

CYLINDER LINES

CYLINDER LINES
c68291 UE034905
None CYLINDER LINES Parts scheme
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Parts for your 977H TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3H-5368 [8] BOLT  
  3B-4507 [8] LOCKWASHER  
  3H-3667 [4] FLANGE  
  4F-7952 [2] SEAL  
  3K-1934 [1] TUBE ASSEM.  
  3K-1933 [1] TUBE ASSEM.  
  2K-0190 [8] FLANGE  
  5F-1678 [4] SEAL  
  3K-1932 [1] TUBE ASSEM.  
  3K-1915 [1] TUBE ASSEM.  
  1A-2029 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
  1H-9696 [4] SEAL  
  2K-4656 [2] HOSE ASSEM. (19 INCHES LONG)  
  2B-0947 [8] BOLT  
  3B-4508 [8] LOCKWASHER (TO HYDRAULIC TANK)  
  2K-0190 [8] FLANGE  
  5F-1678 [4] SEAL  
  3K-2058 [1] MANIFOLD  
  0S-1588 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  4B-5271 [4] WASHER  
  1H-3305 [8] FLANGE  
  6F-6673 [4] SEAL  
  1A-2029 [16] BOLT  
  3B-4506 [16] LOCKWASHER  
  1A-2029 [16] BOLT  
  3B-4506 [16] LOCKWASHER  
  3K-1906 [2] HOSE ASSEM. (24 50 INCHES LONG)  
  3K-1969 [1] MANIFOLD  
  1A-2029 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  3H-5368 [8] BOLT  
  3B-4507 [8] LOCKWASHER  
  3H-3667 [4] FLANGE  
  4F-7952 [2] SEAL  
  3K-1913 [1] BLOCK  
  1A-2029 [16] BOLT  
  3B-4506 [16] LOCKWASHER  
  2K-4463 [2] HOSE ASSEM. (43.75 INCHES LONG)  
  1A-2029 [32] BOLT  
  3B-4506 [32] LOCKWASHER  
  3K-1908 [4] HOSE ASSEM. (42.25 INCHES LONG)  
  1H-3305 [16] FLANGE  
  6F-6673 [8] SEAL  
 

#UE0349050264
 

3K-2971: LIFT CYLINDER GROUP

3K2971 LIFT CYLINDER GROUP--R.H.--6.50" Bore x 32" Stroke
3K2972 LIFT CYLINDER GROUP--L.H.--6.50" Bore x 32" Stroke
Refer also to Page 293 for special parts
c68284 UE034905
  For full view, you need register

Parts for your 977H TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3K-2973 [1] CYLINDER ASSEM. (R.H.)  
    (PART OF CYLINDER GROUP 3K2971)
  3K-2974 [1] CYLINDER ASSEM. (L.H.)  
    (PART OF CYLINDER GROUP 3K2972)
  2K-0028 [1] PISTON  
  2K-0029 [1] PACKING  
  2K-0030 [1] RETAINER  
  5F-8000 [1] RING  
  2K-0031 [1] NUT  
  3B-4635 [1] COTTER PIN  
  2K-4507 [1] BUSHING  
    (PART OF CYLINDER ASSEM. 3K2973 AND 3K2974)
  2K-4472 [1] RING  
  2K-4473 [1] WASHER  
  1K-7114 [1] PACKING  
  1K-7103 [2] SHIM  
  1K-7034 [3] SHIM  
  1K-5593 [1] GLAND  
  1K-6982 [1] SEAL  
  3K-5242 [1] BUSHING  
    (PART OF ROD ASSEM. 3K5243)
  3K-5243 [1] ROD ASSEM.  
  0S-1585 [2] BOLT  
  9B-0453 [2] LOCKWASHER  
  1D-4625 [4] BOLT  
  2H-3923 [4] LOCKWASHER  
  2K-3935 [1] HEAD (R.H.)  
    (PART OF CYLINDER GROUP 3K2971)
  2K-3936 [1] HEAD (L.H.)  
    (PART OF CYLINDER GROUP 3K2972)
 

#UE0349050265
 

3K-2972: LIFT CYLINDER GROUP

3K2971 LIFT CYLINDER GROUP--R.H.--6.50" Bore x 32" Stroke
3K2972 LIFT CYLINDER GROUP--L.H.--6.50" Bore x 32" Stroke
Refer also to Page 293 for special parts
c68284 UE034905
3K2972 LIFT CYLINDER GROUP Parts scheme
  For full view, you need register

Parts for your 977H TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3K-2973 [1] CYLINDER ASSEM. (R.H.)  
    (PART OF CYLINDER GROUP 3K2971)
  3K-2974 [1] CYLINDER ASSEM. (L.H.)  
    (PART OF CYLINDER GROUP 3K2972)
  2K-0028 [1] PISTON  
  2K-0029 [1] PACKING  
  2K-0030 [1] RETAINER  
  5F-8000 [1] RING  
  2K-0031 [1] NUT  
  3B-4635 [1] COTTER PIN  
  2K-4507 [1] BUSHING  
    (PART OF CYLINDER ASSEM. 3K2973 AND 3K2974)
  2K-4472 [1] RING  
  2K-4473 [1] WASHER  
  1K-7114 [1] PACKING  
  1K-7103 [2] SHIM  
  1K-7034 [3] SHIM  
  1K-5593 [1] GLAND  
  1K-6982 [1] SEAL  
  3K-5242 [1] BUSHING  
    (PART OF ROD ASSEM. 3K5243)
  3K-5243 [1] ROD ASSEM.  
  0S-1585 [2] BOLT  
  9B-0453 [2] LOCKWASHER  
  1D-4625 [4] BOLT  
  2H-3923 [4] LOCKWASHER  
  2K-3935 [1] HEAD (R.H.)  
    (PART OF CYLINDER GROUP 3K2971)
  2K-3936 [1] HEAD (L.H.)  
    (PART OF CYLINDER GROUP 3K2972)
 

#UE0349050266
 

2K-3893: TILT CYLINDER GROUP

2K3893 TILT CYLINDER GROUP--R.H.--5.5" x 21.38"
2K3894 TILT CYLINDER GROUP--L.H.--5.5" x 21.38"
c43417 UE034905
  For full view, you need register

Parts for your 977H TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2K-4448 [1] RETAINER  
  2K-1335 [1] PACKING SET  
  2K-4447 [1] PISTON  
  2K-4438 [1] NUT  
  3B-4636 [1] COTTER PIN  
  1H-9696 [1] SEAL  
  2K-4513 [1] BUSHING  
    (PART OF ASSEM. 2K4459 & 2K4460)
  2K-4459 [1] CYLINDER ASSEM. (R.H.)  
    (PART OF CYL GROUP 2K3893)
    - OR -
  2K-4460 [1] CYLINDER ASSEM. (L.H.)  
    (PART OF CYL ASSEM 2K3894)
  2H-9247 [1] SEAL  
  2K-2961 [1] WASHER (LEATHER)  
  2K-4328 [1] HEAD  
  2K-4434 [1] PACKING SET  
  2K-4436 [3] SHIM  
  2K-4437 [2] SHIM  
  2K-4419 [1] SEAL  
  2K-4418 [1] GLAND  
  2K-4327 [1] ROD ASSEM  
  2K-4442 [1] BUSHING  
    (PART OF ROD ASSEM)
  0S-1585 [2] CAP SCREW  
  9B-0453 [2] LOCKWASHER  
  2A-1538 [4] CAP SCREW  
  2H-3922 [4] LOCKWASHER  
 

#UE0349050267
 

2K-3894: TILT CYLINDER GROUP

2K3893 TILT CYLINDER GROUP--R.H.--5.5" x 21.38"
2K3894 TILT CYLINDER GROUP--L.H.--5.5" x 21.38"
c43417 UE034905
2K3894 TILT CYLINDER GROUP Parts scheme
  For full view, you need register

Parts for your 977H TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2K-4448 [1] RETAINER  
  2K-1335 [1] PACKING SET  
  2K-4447 [1] PISTON  
  2K-4438 [1] NUT  
  3B-4636 [1] COTTER PIN  
  1H-9696 [1] SEAL  
  2K-4513 [1] BUSHING  
    (PART OF ASSEM. 2K4459 & 2K4460)
  2K-4459 [1] CYLINDER ASSEM. (R.H.)  
    (PART OF CYL GROUP 2K3893)
    - OR -
  2K-4460 [1] CYLINDER ASSEM. (L.H.)  
    (PART OF CYL ASSEM 2K3894)
  2H-9247 [1] SEAL  
  2K-2961 [1] WASHER (LEATHER)  
  2K-4328 [1] HEAD  
  2K-4434 [1] PACKING SET  
  2K-4436 [3] SHIM  
  2K-4437 [2] SHIM  
  2K-4419 [1] SEAL  
  2K-4418 [1] GLAND  
  2K-4327 [1] ROD ASSEM  
  2K-4442 [1] BUSHING  
    (PART OF ROD ASSEM)
  0S-1585 [2] CAP SCREW  
  9B-0453 [2] LOCKWASHER  
  2A-1538 [4] CAP SCREW  
  2H-3922 [4] LOCKWASHER  
 

#UE0349050268
 

HAND CONTROL

HAND CONTROL
c72112 UE034905
None HAND CONTROL Parts scheme
  For full view, you need register

Parts for your 977H TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1A-9252 [2] END  
  5B-9079 [2] NUT  
  3K-8744 [1] ROD ASSEM.  
  3K-2765 [1] ROD ASSEM.  
  3B-1915 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  4H-1021 [1] BRACKET  
  0L-1170 [2] HANDLE  
  4M-4625 [1] PLATE  
  7B-3028 [4] SCREW  
  3K-2764 [1] LEVER ASSEM.  
  7F-7983 [2] BEARING  
    (PART OF LEVER ASSEM. 3K2764)
  1J-4384 [2] PIN  
  3B-4615 [2] COTTER PIN  
  1J-4384 [2] PIN  
  3B-4615 [2] COTTER PIN  
  6H-5295 [1] LEVER ASSEM.  
  7F-7983 [2] BEARING  
    (PART OF LEVER ASSEM. 6H5295)
  0S-1571 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  4H-0433 [1] SHAFT  
  5H-6406 [4] SEAL  
  3B-8488 [2] FITTING  
 

#UE0349050269
 

FRAME

FRAME
Serial No. 53A1 to 53A679 inclusive
c59911 UE034905
None FRAME Parts scheme
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Parts for your 977H TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3K-6630 [1] STEP ASSEM.  
  0S-1585 [4] BOLT  
  3B-4508 [4] LOCKWASHER  
  [4] BOLT  
  3B-4516 [4] LOCKWASHER  
  2K-4453 [2] PIN  
  3B-8489 [2] FITTING  
  2K-0703 [4] BAR  
  0S-1621 [8] BOLT  
  3B-4508 [8] LOCKWASHER  
  3B-8489 [2] FITTING  
  2K-4454 [2] PIN  
  1B-4333 [2] NUT  
    (PART OF ASSEM. 3K2427)
  1D-4638 [2] BOLT  
  3B-4516 [2] LOCKWASHER  
  1F-7464 [4] BOLT  
  1A-1935 [4] NUT  
  3K-5234 [8] WASHER  
  [6] BOLT  
  1A-1935 [6] NUT  
  3K-5234 [12] WASHER  
  3K-2427 [1] FRAME ASSEM.  
 

Information:

Caterpillar Parts SIS Catalog 977H :

HYDRAULIC PUMP AND LINES
HYDRAULIC PUMP AND LINES
HYDRAULIC PUMP ASSEMBLY
3K-1796 HYDRAULIC PUMP ASSEMBLY
RELIEF VALVE
3J-1969 RELIEF VALVE
HYDRAULIC PUMP ASSEMBLY
6J-0761 HYDRAULIC PUMP ASSEMBLY
RELIEF VALVE GROUP
3J-0319 RELIEF VALVE GROUP
RELIEF VALVE GROUP
3J-0319 RELIEF VALVE GROUP
2J-7886 TANK AND VALVE GROUP
TANK AND VALVE GROUP
2J-7886 TANK AND VALVE GROUP
HYDRAULIC OIL FILTER GROUP
3K-6609 HYDRAULIC OIL FILTER GROUP
HYDRAULIC OIL FILTER GROUP
3K-6609 HYDRAULIC OIL FILTER GROUP
CYLINDER LINES
CYLINDER LINES
3K-2971 LIFT CYLINDER GROUP
LIFT CYLINDER GROUP
3K-2972 LIFT CYLINDER GROUP
2K-3893 TILT CYLINDER GROUP
TILT CYLINDER GROUP
2K-3894 TILT CYLINDER GROUP
HAND CONTROL
HAND CONTROL

Truck sale:

1966 CAT 977H
USD $5,850 
1966 CAT 977H

HOLTHAUS TRUCK SERVICE INC.
 
 
CAT 977H

WESTERN CONSTRUCTION AUCTIONS
Perris, California
1964 CAT 977H
USD $5,000 
1964 CAT 977H

CHICAGO MACHINERY CO
Lynwood, Illinois
1970 CAT 977H
USD $10,000 
1970 CAT 977H

Eagle Equipment
Jasper, Tennessee
 
USD $9,800 
1971 CAT 977H

Schaefer Equipment Company
Emporia, Kansas
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