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CRANKSHAFT BEARING REPLACEMENTS 943 TRACK LOADER


BASIC ENGINE
CRANKSHAFT GP
PISTON & ROD GP
CAMSHAFT GP
PISTON & ROD GP
CAMSHAFT GP
PISTON & ROD GP
CAMSHAFT GP
CYLINDER BLOCK GP

TRACK LOADER 943 TRACK LOADER 03Y
 943 TRACK LOADER / POWER SHIFT / 03Y00001-01385 (MACHINE) POWERED BY 3204 ENGINE HEBP1312 943 03Y   (1981)

BASIC ENGINE

CRANKSHAFT GP
CRANKSHAFT GP
6N-8288 CRANKSHAFT GP
CRANKSHAFT GP
1W-0402 CRANKSHAFT GP
CRANKSHAFT GP
1W-9768 CRANKSHAFT GP
CRANKSHAFT BEARING REPLACEMENTS
 

#HEBP13120010
 

CRANKSHAFT BEARING REPLACEMENTS

CRANKSHAFT BEARING REPLACEMENTS
HEBP13120010 HEBP1312
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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
    CYLINDER BLOCK NOT REBORED
    CRANKSHAFT GROUND FOR UNDERSIZE
    MAIN BEARING I.D. OF:
    FRONT MAIN--NON-GROOVED:
  8N-8976 [1] 0.25MM  
  8N-8972 [1] 0.51MM  
    INTERMEDIATE--GROOVED:
  8N-9022 [1] 0.25MM  
  8N-9023 [1] 0.51MM  
    CYLINDER BLOCK REBORED (0.25MM)
    (FOR BEARING OVERSIZE O.D.)
    CRANKSHAFT GROUND FOR UNDERSIZE
    MAIN BEARING I.D. OF:
    FRONT MAIN--NON-GROOVED:
  8N-8973 [1] 0 (STANDARD)  
  8N-8971 [1] 0.51MM  
    INTERMEDIATE--GROOVED:
  [1] 0(STANDARD)  
  8N-9019 [1] 0.51MM  
 

#HEBP13120011
 

8N-4079: PISTON & ROD GP

8N4079 CONNECTING ROD AND PISTON GROUP-4 REQUIRED
ENGINE SERIAL NO. 10X1 TO 5364 INCLUSIVE
ALSO PART OF 8N9190 & 8N9191 SHORT CYLINDER BLOCK GROUPS LISTED ON PAGE
10A
c308255 HEBP1312
8N4079 PISTON & ROD GP Parts scheme
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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8N-5537 [1] PISTON GROUP (standard)  
    (Includes)
2. 9L-6233 [1] RING (Standard-compression)  
3. 9L-9316 [1] RING (Standard - oil)  
4. 9N-5406 CA [1] PISTON BODY .510 mm(.02 in.)oversize  
5. 9N-0581 CA [1] RING (Oversize - compression)  
6. 9L-9673 CA [1] RING (Oversize - oil)  
7. 9N-5407 CA [1] PISTON BODY 1.02mm(.04 in.)oversize  
8. 9N-0578 CA [1] RING (Oversize - compression)  
9. 9L-9323 CA [1] RING (Oversize - oil)  
10. 7N-9803 [1] PIN  
11. 8N-7294 C [2] RETAINER  
12. 8N-6308 [1] BEARING (standard)  
  1W-3906 CA [1] BEARING 1.27mm(.05 in.) U.S.  
  1N-3821 CA [1] BEARING .254mm(.01 in.) U.S.  
  1N-3822 CA [1] BEARING .510mm(.02 in.) U.S.  
13. 8N-3753 RC [1] ROD ASSEM.  
    (Includes)
  9N-5082 [1] BEARING  
14. 9N-3832 [2] BOLT  
  9L-7669 [2] NUT  
  A   NOT PART OF THIS GROUP
  R   REMFG PART MAY BE AVAILABLE
  C   INDICATES CHANGE
 

#HEBP13120012
 

2W-0331: CAMSHAFT GP

2W0331 CAMSHAFT GROUP
ENGINE SERIAL NO. 10X3177 TO 10X4200 INCLUSIVE
c238032 HEBP1312
2W0331 CAMSHAFT GP Parts scheme
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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8S-1491 [1] LOCK  
2. 0S-0509 [2] BOLT  
3. 7S-2204 [1] WASHER  
4. 2W-0310 [1] CAMSHAFT ASSEM.  
    (Includes)
  1B-8712 [1] KEY  
5. 2W-0313 [1] STUD  
6. 1F-7958 [1] NUT  
7. 9N-5022 [1] WASHER  
 

#HEBP13120013
 

2W-1040: PISTON & ROD GP

2W1040 CONNECTING ROD & PISTON GROUP-4 REQUIRED
ENGINE SERIAL NO. 10X5365-UP. ALSO PART OF 2W2024 SHORT BLOCK GROUP LISTED
ON PAGE 10B. 2W1040 PISTON PARTS ARE SHOWN ON PAGE 10-2
c466251 HEBP1312
2W1040 PISTON & ROD GP Parts scheme
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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2W-4841 Y [1] PISTON GP  
2. 8N-6308 [1] BEARING-CONNECTING ROD (STANDARD)  
  1W-3906 A [1] BEARING-CONNECTING ROD  
    1.27MM(.05 IN)UNDERSIZE
  1N-3821 A [1] BEARING-ROD  
    .254MM(.01 IN)UNDERSIZE
  1N-3822 A [1] BEARING-ROD  
    .51MM(.021 IN)UNDERSIZE
3. 8N-3753 [1] ROD AS-CONNECTING  
  9N-5082 [1] BEARING-CONNECTING ROD  
4. 9N-3832 [2] BOLT-CONNECTING ROD  
  9L-7669 [2] NUT-CONNECTING ROD  
5. 7N-9803 [1] PIN-PISTON  
6. 8N-7294 [2] RETAINER-PIN  
  A   NOT PART OF THIS GROUP
  Y   SEPARATE ILLUSTRATION
 

#HEBP13120014
 

2W-0854: CAMSHAFT GP

2W0854 CAMSHAFT GROUP
ENGINE SERIAL NO. 10X4201 TO 10X4888 INCLUSIVE
c306612 HEBP1312
2W0854 CAMSHAFT GP Parts scheme
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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8S-1491 [1] LOCK  
2. 0S-0509 [2] BOLT  
3. 7S-2204 [1] WASHER  
4. 2W-0853 [1] CAMSHAFT ASSEM.  
  1B-8712 [1] KEY  
5. 2W-0313 [1] STUD  
6. 1F-7958 [1] NUT  
7. 9N-5022 [1] WASHER  
 

#HEBP13120015
 

2W-4841: PISTON GP

2W4841 PISTON GROUP
ENGINE SERIAL NO. 10X5365-UP
PART OF 2W1040 CONNECTING ROD & PISTON GROUP SHOWN ON PAGE 10-1
c456490 HEBP1312
2W4841 PISTON GP Parts scheme
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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9L-6233 [1] RING-PISTON-TOP (COMPRESSION)  
2. 2W-8045 [1] RING AS-PISTON (OIL)  
3. 2W-4831 C [1] BODY AS-PISTON  
4. 2W-8411 A [1] BODY AS-PISTON  
  2W-8647 A [1] RING GP-PISTON 1.02MM(.04IN.)OVERSIZE  
  9N-0578 [1] RING-PISTON-TOP (COMPRESSION)  
  2W-8417 [1] RING-PISTON (OIL)  
5. 2W-8410 A [1] BODY AS-PISTON  
  2W-8646 A [1] RING GP-PISTON .51MM(.02IN.)OVERSIZE  
  9N-0581 [1] RING-PISTON-TOP (COMPRESSION)  
  2W-8416 [1] RING-PISTON (OIL)  
  2W-8265 CA [1] RING GP-PISTON (CONSISTS OF A COMPLETE  
    SET OF RINGS FOR ONE
    STANDARD PISTON)
  A   NOT PART OF THIS GROUP
  C   CHANGE FROM PREVIOUS TYPE
 

#HEBP13120016
 

2W-1337: CAMSHAFT GP

2W1337 CAMSHAFT GROUP
ENGINE SERIAL NO. 10X4889-UP
c464598 HEBP1312
2W1337 CAMSHAFT GP Parts scheme
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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2W-1221 [1] CAMSHAFT  
2. 2W-1577 [1] WASHER-THRUST  
3. 0S-0509 [2] BOLT  
4. 8S-1491 [1] LOCK  
5. 0L-0639 [4] BOLT  
6. 1W-4402 [1] GEAR-CAMSHAFT (80 TEETH)  
   
    THE FOLLOWING REPAIR
    KIT IS AVAILABLE:
  9Y-3352 R [1] KIT-CAMSHAFT  
    (INCLUDES CAMSHAFT,
    LIFTERS & LUBRICANT)
  R   REMFG PART MAY BE AVAILABLE
 

#HEBP13120017
 

8N-9191: CYLINDER BLOCK GP

8N9191 SHORT CYLINDER BLOCK GROUP-FIELD INSTALLATION*R
HEBP13120017 HEBP1312
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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
   
   
  6N-9049 Y [1] CYLINDER BLOCK GROUP  
   
  1W-0402 Y [1] CRANKSHAFT GROUP  
   
  8N-4079 Y [4] CONNECTING ROD AND PISTON GROUP  
   
  Y   SEPARATE ILLUSTRATION
 

#HEBP13120018
 

8N-9190: CYLINDER BLOCK GP

8N9190 SHORT BLOCK GROUP-FIELD INSTALLATION-*R
REPLACED BY 8N9191 LISTED ON PAGE 10A
ENGINE SERIAL NO. 10X1 TO 10X4888 INCLUSIVE
HEBP13120018 HEBP1312
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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
   
   
  6N-2390 Y [1] CYLINDER BLOCK GROUP  
   
  6N-8288 Y [1] CRANKSHAFT GROUP  
   
  8N-4079 Y [1] CONNECTING ROD AND PISTON GROUP  
  Y   SEPARATE ILLUSTRATION
 

#HEBP13120019
 

2W-2024: CYLINDER BLOCK GP

2W2024 SHORT BLOCK GROUP-FIELD INSTALLATION
ENGINE SERIAL NO. 10X4889-UP
HEBP13120019 HEBP1312
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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
   
   
  6N-9049 Y [1] CYLINDER BLOCK GROUP  
   
  8N-4079 Y [4] CONNECTING ROD AND PISTON GROUP  
   
    -OR-
   
  2W-1040 Y [4] CONNECTING ROD AND PISTON GROUP  
   
  1W-9768 Y [1] CRANKSHAFT GROUP  
   
    FORM SMHS7701
  Y   SEPARATE ILLUSTRATION
 

Information:

Special Instruction
Installing Crankshaft Seals And Wear Sleeves Using The Former 9S8868, 9S8873, 9S8881 And 9S8888 Tools Groups{1160, 1161, 0704}
Installing Crankshaft Seals And Wear Sleeves Using The Former 9S8868, 9S8873, 9S8881 And 9S8888 Tools Groups{1160, 1161, 0704}
Installation Of Crankshaft Seals And Wear Sleeves{1160, 1161}
Installation Of Crankshaft Seals And Wear Sleeves{1160, 1161}
Installation Of Crankshaft Seals And Wear Sleeves{1203}
Installation Of Crankshaft Seals And Wear Sleeves{1203}
Use Of 1P4000 Line Boring Tool Group{0672, 1201, 1203}
Use Of 1P4000 Line Boring Tool Group{0672, 1201, 1203}
Crankshaft Seal And Wear Sleeve Installation{1160, 1161}
Crankshaft Seal And Wear Sleeve Installation{1160, 1161}
Installation Of Seal Groups With Hydrodynamic Grooves In The Seal Lip{1160, 1161}
Installation Of Seal Groups With Hydrodynamic Grooves In The Seal Lip{1160, 1161}
Specifications
Crankshaft
943 & 953 TRACK-TYPE LOADERS
Bearing Surface (Journal) For Connecting Rods
943 & 953 TRACK-TYPE LOADERS
Bearing Surface (Journal) For Main Bearings
943 & 953 TRACK-TYPE LOADERS
Tool Operating Manual
9U-5132 Timing and Fuel System Setting Tool Group{1105, 1162, 1290, 1905}
9U-5132 Timing and Fuel System Setting Tool Group{1105, 1162, 1290, 1905}
420-7630 Main Bearing Cap Lifting Device{0599, 0629, 0632, 0701, 1201, 1203, 1230}
420-7630 Main Bearing Cap Lifting Device{0599, 0629, 0632, 0701, 1201, 1203, 1230}
Reuse And Salvage Guidelines
Inspection and Reconditioning Procedures of Main Bearing Bores in Cylinder Blocks {1201, 1202, 1224, 1224}
Inspection and Reconditioning Procedures of Main Bearing Bores in Cylinder Blocks {1201, 1202, 1224, 1224}
Reuse and Salvage for Crankshafts {0674, 1202}
Reuse and Salvage for Crankshafts {0674, 1202}
Visual Inspection of Main Bearings and Connecting Rod Bearings {1202, 1203, 1225, 1230}
Visual Inspection of Main Bearings and Connecting Rod Bearings {1202, 1203, 1225, 1230}
9U-5132 Timing and Fuel System Setting Tool Group{1105, 1162, 1290, 1905}
9U-5132 Timing and Fuel System Setting Tool Group{1105, 1162, 1290, 1905}
Reuse and Salvage for Engine Dampers {1202, 1205}
Reuse and Salvage for Engine Dampers {1202, 1205}
Disassembly and Assembly
Crankshaft Main Bearings
3204 VEHICULAR ENGINE FOR 943 & 953 TRACK-TYPE LOADERS
Crankshaft Front Seal
3204 VEHICULAR ENGINE FOR 943 & 953 TRACK-TYPE LOADERS
Crankshaft Front Pulley
3204 VEHICULAR ENGINE FOR 943 & 953 TRACK-TYPE LOADERS
Crankshaft Rear Seal And Wear Sleeve
3204 VEHICULAR ENGINE FOR 943 & 953 TRACK-TYPE LOADERS
Crankshaft And Gear
3204 VEHICULAR ENGINE FOR 943 & 953 TRACK-TYPE LOADERS
Service Magazine
Engine Storage; Engine Start-Up After Storage{1000}
1982/02/22
Use 6V6035 Hardness Tester On Crankshafts{0651,1202}
1982/02/22
New Crankshaft Has Wider Main Journals; Wider Main Bearings{1202,1203}
1982/03/15
Inspection Marks On Bearings{7551,1230,1226,1203,1219,1227}
1982/05/03
Wider Bearing Gives More Support To Front Camshaft Journal{1211,1201}
1982/05/10
Changes To 3204 Engine Accessory Drive And Engine Block; New Engine Arrangements Used{1202,1207,1286}
1982/10/04
New Crankshaft Seal Group Has Assembled Rear Seal And Wear Sleeve{1161}
1982/10/18
6V6142 And 6V6143 Installers Can Be Used To Install Crankshaft Seals And Wear Sleeves{0622,0626,1160,1161}
1982/11/01
Check Cylinder Bores For Chamfer During Reconditioning{1202,1222,1223}
1983/02/14
Procedure To Clean Oil Passages In Crankshafts And Cylinder Blocks{0622,0675,1201,1202}
1983/05/16
Reuse Of Engine Bearings{1230}
1983/05/16
Crankshaft Failures{1202,1230}
1983/11/21
Reuse Of Engine Bearings{1230,1219,1203}
1983/11/21
Remanufactured Undersize Crankshafts Are Available{1202}
1983/11/21
New Crankshaft Pulley Available{1205}
1984/04/23
New Main And Connecting Rod Bearings Have Copper Bond Material{1203,1219,1230}
1984/10/01
New Rear Crankshaft Seal Has Longer Service Life{1161}
1985/01/21
Installing New Copper Bonded Bearings Can Extend Engine Life{1230,1203,1219}
1985/04/29
Remanufactured Crankshafts Are Available In Standard And Two Undersize Dimensions (U.S. and Canada){1202,7754}
1985/11/18
Put Grease On Front Crankshaft Seal Before Installing The Crankshaft Pulley And Damper{1160}
1986/01/13
Bearing Failures On Engines Due To Lack Of Lubrication{1230,1219,1203,1202}
1986/09/08
Tools To Install Crankshaft Seal And Wear Sleeve{1160,1161,0622}
1977/07/11
Crankshaft Support Groups Are Available To Measure Bent Crankshafts{0653,1202}
1977/11/07
Main And Connecting Rod Bearing Part Numbers {1203,1219,1230}
1987/01/26
Use New Main Bearings In Replacement Cylinder Blocks{1203,1201}
1978/06/12
Change In Procedure To Check Main Bearing Clearance{1203}
1978/08/28
New Centering Rings For Oversized Main Bearings{0665,1230}
1979/06/04
Checking Crankshaft Journal Surface Hardness On Remanufactured Crankshafts{1202}
1991/01/07
Use the 171-7212 Wear Sleeve to Repair the Crankshaft Hub {1160}
2011/09/20
40 Power Microscope is Available for Inspecting Bearing Journals on Crankshafts {0777, 1202}
2006/01/16

Caterpillar Parts SIS Catalog 943 :

CAMSHAFT GROUP
7N-9550 CAMSHAFT GROUP
CRANKSHAFT GP
1W-9768 CRANKSHAFT GP
CRANKSHAFT GP
1W-0402 CRANKSHAFT GP
CRANKSHAFT GP
6N-8288 CRANKSHAFT GP
CYLINDER BLOCK AS
7N-4821 CYLINDER BLOCK AS
CYLINDER BLOCK GP
6N-9049 CYLINDER BLOCK GP
CYLINDER BLOCK GP
6N-2390 CYLINDER BLOCK GP
4N-8376 ENGINE AR
PISTON & ROD GP
8N-4079 PISTON & ROD GP
CAMSHAFT GP
2W-0331 CAMSHAFT GP
PISTON & ROD GP
2W-1040 PISTON & ROD GP
CAMSHAFT GP
2W-0854 CAMSHAFT GP
PISTON GP
2W-4841 PISTON GP
CAMSHAFT GP
2W-1337 CAMSHAFT GP
8N-9191 CYLINDER BLOCK GP
8N-9190 CYLINDER BLOCK GP

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