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4W2568 CRANKSHAFT CONVERSION SEAL GP-FRONT-STANDARD ROTATION When Using This Group To Convert An Engine A New Front Adapter Must Also Be Used Field Installation D379A


BASIC ENGINE
CRANKSHAFT GP
MISCELLANEOUS INFORMATION
SERVICE EQUIPMENT AND SUPPLIES
GASKET & SEAL KITS
BASIC ENGINE
BALANCER GP
FLYWHEEL GP
CAMSHAFT GP
PISTON & ROD GP

MARINE ENGINE D379A MARINE ENGINE 69B
 D379B MARINE ENGINE 69B01227-UP UEG0647S D379A 69B   (1961)

BASIC ENGINE

CRANKSHAFT GP
SEAL GP-CRANKSHAFT CONVERSION
3N-8000 SEAL GP-CRANKSHAFT CONVERSION
SEAL GP-CRANKSHAFT CONVERSION
4W-2571 SEAL GP-CRANKSHAFT CONVERSION
SEAL GP-CRANKSHAFT CONVERSION
4W-2568 SEAL GP-CRANKSHAFT CONVERSION
SEAL GP-CRANKSHAFT CONVERSION
4W-2570 SEAL GP-CRANKSHAFT CONVERSION
CRANKSHAFT BEARING REPLACEMENTS
CRANKSHAFT BEARING REPLACEMENTS
 

#UEG0647S0090
 

4W-2568: SEAL GP-CRANKSHAFT CONVERSION

4W2568 CRANKSHAFT CONVERSION SEAL GP-FRONT-STANDARD ROTATION
When Using This Group To Convert An Engine A New Front Adapter
Must Also Be Used
Field Installation
c331652 UEG0647S
4W2568 SEAL GP-CRANKSHAFT CONVERSION Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4W-2566 [1] ADAPTER-SEAL  
2. 5L-2093 [1] GASKET  
3. 4W-2606 [1] SEAL GP-CRANKSHAFT  
 

#UEG0647S0091
 

4W-2570: SEAL GP-CRANKSHAFT CONVERSION

4W2570 CRANKSHAFT CONVERSION SEAL GP-FRONT-OPPOSITE ROTATION When Using This Group To Convert An Engine A New Front Adapter
Must Also Be Used
Field Installation
c331742 UEG0647S
4W2570 SEAL GP-CRANKSHAFT CONVERSION Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4W-2566 [1] ADAPTER-SEAL  
2. 5L-2093 [1] GASKET  
3. 4W-2607 [1] SEAL GP-CRANKSHAFT  
 

#UEG0647S0092
 

4W-2569: SEAL GP-CRANKSHAFT CONVERSION

4W2569 SEAL GP-CRANKSHAFT CONVERSION
Rear-Standard Rotation
Field Installation
c331743 UEG0647S
4W2569 SEAL GP-CRANKSHAFT CONVERSION Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4W-2567 [1] ADAPTER-SEAL  
2. 5L-2093 [1] GASKET  
3. 4W-2607 [1] SEAL GP-CRANKSHAFT  
 

#UEG0647S0093
 

GASKET KITS

GASKET KITS
UEG0647S0093 UEG0647S
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5P-0913 DIESEL ENGINE COMPLETE  
  5P-0914 COMPLETE VALVE GRINDING  
  5P-6432 VALVE GRINDING (FOR ONE HEAD ONLY)  
  3S-1723 WATER PUMP  
  1S-8757 SEA WATER PUMP  
 

#UEG0647S0094
 

4L-8787: BALANCER GP

4L8787 BALANCER GROUP
Serial No. 69B1227 to 69B1808 inclusive
c143784 UEG0647S
4L8787 BALANCER GP Parts scheme
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Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4L-7839 [1] GEAR ASSEM.  
    (24 TEETH-REAR)
  4L-7827 [1] RETAINER  
  0L-1351 [2] BOLT  
  9M-1367 [1] LOCK  
  3L-0526 [12] BOLT  
  3B-4507 [12] LOCKWASHER  
  4L-3732 [1] COVER  
  4L-7839 [1] GEAR ASSEM.  
    (24 TEETH-STANDARD ROTATION-FRONT)
    - OR -
  4L-9154 [1] GEAR ASSEM.  
    (24 TEETH-OPPOSITE STANDARD ROTATION-FRONT)
  6L-7967 [1] BEARING  
    (PART OF GEAR ASSEM 4L7839 AND 4L9154)
  5L-2106 [1] WASHER  
  5L-2106 [1] WASHER  
  6L-7967 [1] BEARING  
    (PART OF GEAR ASSEM 4L7839)
  0L-1351 [2] BOLT  
  9M-1367 [1] LOCK  
  4L-7827 [1] RETAINER  
  7L-2607 [1] SHIELD  
 

#UEG0647S0095
 

4L-8787: BALANCER GP

4L8787 BALANCER GROUP
Serial No. 69B1809-Up
c229884 UEG0647S
4L8787 BALANCER GP Parts scheme
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Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4L-7839 [1] GEAR ASSEM.  
    (24 TEETH-REAR)
  4L-7827 [1] RETAINER  
  0S-1594 C [2] BOLT  
  9M-1367 [1] LOCK  
  3L-0526 [12] BOLT  
  3B-4507 [12] LOCKWASHER  
  4L-3732 [1] COVER  
  4L-7839 [1] GEAR ASSEM.  
    (24 TEETH-STANDARD ROTATION-FRONT)
  6L-7967 [1] BEARING  
    (PART OF GEAR ASSEM. 4L7839)
  5L-2108 [1] WASHER  
  5L-2108 [1] WASHER  
  [1] BEARING  
    (PART OF GEAR ASSEM. 4L7839)
  0S-1594 C [2] BOLT  
  9M-1367 [1] LOCK  
  4L-7827 [1] RETAINER  
  7L-2607 [1] SHIELD  
  C   INDICATES CHANGE
 

#UEG0647S0096
 

5L-1955: FLYWHEEL GP

FLYWHEEL (5L1955 N/S)-S.A.E. Standard Engine Rotation
c138084 UEG0647S
5L1955 FLYWHEEL GP Parts scheme
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Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1N-5742 [1] GEAR (183 TEETH)  
    (PART OF FLYWHEEL ASSEM. 1N5748)
  5L-6745 [1] POINTER  
    (TIMING)
  0S-1596 C [10] BOLT  
  4M-6953 C [10] WASHER  
  1N-5748 C [1] FLYWHEEL ASSEM.  
  C   INDICATES CHANGE
 

#UEG0647S0097
 

1N-5760: FLYWHEEL GP

1N5760 FLYWHEEL GROUP-S.A.E. Opposite Standard Engine Rotation
Only separate parts serviced
c138045 UEG0647S
1N5760 FLYWHEEL GP Parts scheme
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Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1N-5743 [1] GEAR (183 T.)  
    (PART OF FLYWHEEL ASSEM. 1N5749)
  5L-6745 [1] POINTER  
    (TIMING)
  0S-1596 C [10] BOLT  
  4M-6953 C [10] WASHER  
  1N-5749 [1] FLYWHEEL ASSEM.  
  C   INDICATES CHANGE
 

#UEG0647S0098
 

4L-8788: CAMSHAFT GP-GENERATOR

4L8788 CAMSHAFT GROUP
Serial No. 69B1227 to 69B2124 inclusive
c229882 UEG0647S
4L8788 CAMSHAFT GP-GENERATOR Parts scheme
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Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8N-1355 C [1] GEAR (96 teeth)  
2. 6L-2195 [1] WASHER ASSEM.  
    (Includes)
  4B-4158 C [1] SCREW  
3. 5L-2864 [1] CAMSHAFT  
4. 4L-6753 [1] GEAR ASSEM. (80 teeth)  
    (Includes)
5. 8B-1312 [1] PIN  
6. 6H-1717 [8] BOLT  
  4L-6183 [4] LOCK  
7. 1B-8741 [1] KEY  
8. 0S-1585 [2] BOLT  
  4L-6184 [1] LOCK  
9. 5L-2101 [1] PLATE  
10. 0L-1351 [4] BOLT 2.22 cm(.875 in.)long  
    - OR -
  1A-2029 C [4] BOLT 2.86 cm(1.125 in.)long  
11. 4L-6182 [2] LOCK  
  C   INDICATES CHANGE
 

#UEG0647S0099
 

6L-2868: PISTON & ROD GP

6L2868 CONNECTING ROD AND PISTON GROUP--8 Required
Serial No. 69B1227 to 69B1968 inclusive
c227696 UEG0647S
6L2868 PISTON & ROD GP Parts scheme
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Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3S-5502 [1] PISTON ASSEM.  
    (Includes)
2. 9S-7507 [1] RING (top)  
3. 3S-4059 [1] RING (intermediate)  
4. 5M-5487 [1] RING (oil)  
5. 1P-0009 R [1] ROD ASSEM.  
    (Includes)
6. 1P-1758 [2] BOLT  
7. 7M-4925 [1] BEARING  
8. 4L-3763 [1] BEARING (standard)  
  6N-8317 C [1] BEARING  
    .635 mm(.025 in.) U.S.-.254 mm(.01 in.) O.S.
  6N-8316 C [1] BEARING  
    1.27 mm(.05 in.) U.S.-.254 mm(.01 in.) O.S.
  5L-4195 [1] BEARING 1.27 mm(.05 in.) U.S.  
  6N-8318 C [1] BEARING .254 mm(.01 in.) O.S.  
9. 7M-4926 [2] RETAINER  
10. 4L-3843 [1] PIN  
  4S-7424 C [1] PISTON RING GROUP  
    (Includes a complete set of rings for one piston)
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
 

Information:

Engine News
During Installation Of Crankshaft Piston Ring Seals, Put Silicone Grease In The Groove And On The Seal
1979/04/25
New Bend Specification For Used Or Field Reground Crankshafts
1980/08/13
Use 6V6035 Hardness Tester On Crankshafts
1982/02/24
New Crankshaft Wear Sleeve For Engines With Lip-Type Seals
1982/08/25
Procedure To Clean Oil Passages In Crankshafts And Cylinder Blocks
1983/05/25
Crankshaft Failures
1983/11/30
Remanufactured Undersize Crankshafts Are Available
1984/04/11
Make Sure Crankshaft Is Installed Correctly
1984/08/08
New Crankshaft Seal Groups Available
1984/09/12
Information For Reversing Crankshaft Rotation Of All 6.25" Bore V8, V12 And V16 Engines
1984/10/03
Correct Specifications For Crankshaft Deflection
1985/01/16
New Crankshaft Seals Used
1985/06/01
Why Choose Caterpillar Remanufactured Crankshafts? Because We Offer More ...
1985/09/01
Caterpillar Crankshaft Heat Code Locations
1986/11/01
Special Instruction
Using 6V9433 Crankshaft Removal Group{1000, 1202}
Using 6V9433 Crankshaft Removal Group{1000, 1202}
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}
Installing 3N8000 (Rear) And 3N8008 (Front) Crankshaft Seal Conversion Groups{1160, 1161}
Installing 3N8000 (Rear) And 3N8008 (Front) Crankshaft Seal Conversion Groups{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}
Installing The 3N3166 Crankshaft Seal And 2W1794 Wear Sleeve{1160, 1161}
Installing The 3N3166 Crankshaft Seal And 2W1794 Wear Sleeve{1160, 1161}
Special Handling Information And Installation Procedure For 4W2568, 4W2569, 4W2570 And 4W2571 Crankshaft Seal Conversion Groups And 4W2606 Or 4W2607 Crankshaft Seal Group{1160, 1161, 1202}
Special Handling Information And Installation Procedure For 4W2568, 4W2569, 4W2570 And 4W2571 Crankshaft Seal Conversion Groups And 4W2606 Or 4W2607 Crankshaft Seal Group{1160, 1161, 1202}
Field Replacement Of 5L2662 And 6L8201 Counterweights On Crankshafts For 6.25 Bore Vee Engines{1202}
Field Replacement Of 5L2662 And 6L8201 Counterweights On Crankshafts For 6.25 Bore Vee Engines{1202}
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
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Bearing Surface (Journal) For Connecting Rods
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Bearing Surface (Journal) For Main Bearings
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Disassembly and Assembly
Crankshaft Front Seal Ring And Thrower
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Crankshaft Front Seal (Lip Type) And Wear Sleeve
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Crankshaft Main Bearings
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Crankshaft Rear Seal Ring And Thrower
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Camshaft Bearings
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Crankshaft
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Service Magazine
Some Nuts Used On Main Bearing Caps Are Smaller Than Standard Size Across The Flat Sides{1203}
1980/07/14
New Main Bearings And Connecting Rod Bearings Have Thicker Layer Of Surface Material{1230,1203,1219}
1982/02/22
Engine Storage; Engine Start-Up After Storage{1000}
1982/02/22
Use 6V6035 Hardness Tester On Crankshafts{0651,1202}
1982/02/22
Inspection Marks On Bearings{7551,1230,1226,1203,1219,1227}
1982/05/03
New Crankshaft Wear Sleeve For Engines With Lip-Type Seals{1160,1161}
1982/07/05
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
Replacement Counterweights And Information For Replacement Of Counterweights And Balancing The Crankshaft{1202,0652}
1983/09/05
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
Make Sure Crankshaft Is Installed Correctly{1202}
1984/07/16
New Crankshaft Seal Groups Available{1202}
1984/09/03
Information For Reversing Crankshaft Rotation Of All 6.25" Bore V8, V12 And V16 Engines{1000}
1984/10/08
Correct Specifications For Cranskshaft Deflection {1202}
1985/01/14
Installing New Copper Bonded Bearings Can Extend Engine Life{1230,1203,1219}
1985/04/29
New Crankshaft Seals Used{1160,1161,1202}
1985/06/03
Remanufactured Crankshafts Are Available In Standard And Two Undersize Dimensions (U.S. and Canada){1202,7754}
1985/11/18
Bearing Failures On Engines Due To Lack Of Lubrication{1230,1219,1203,1202}
1986/09/08
Caterpillar Crankshaft Heat Code Locations{1202}
1986/10/20
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
During Installation Of Crankshaft Piston Ring Seals, Put Silicone Grease In The Groove And On The Seal{1160,1161}
1979/04/09
New Centering Rings For Oversized Main Bearings{0665,1230}
1979/06/04
40 Power Microscope is Available for Inspecting Bearing Journals on Crankshafts {0777, 1202}
2006/01/16

Caterpillar Parts SIS Catalog D379A :

SEAL GP-CRANKSHAFT CONVERSION
4W-2571 SEAL GP-CRANKSHAFT CONVERSION
SEAL GP-CRANKSHAFT CONVERSION
3N-8000 SEAL GP-CRANKSHAFT CONVERSION
SEAL GP-CRANKSHAFT CONVERSION
3N-8008 SEAL GP-CRANKSHAFT CONVERSION
CRANKSHAFT GROUP
3N-7968 CRANKSHAFT GROUP
CRANKSHAFT GROUP
3N-7968 CRANKSHAFT GROUP
CRANKSHAFT GP
4W-2574 CRANKSHAFT GP
CRANKSHAFT GP
4L-8791 CRANKSHAFT GP
CRANKSHAFT GP
4L-8791 CRANKSHAFT GP
SEAL GP-CRANKSHAFT CONVERSION
4W-2570 SEAL GP-CRANKSHAFT CONVERSION
SEAL GP-CRANKSHAFT CONVERSION
4W-2569 SEAL GP-CRANKSHAFT CONVERSION
GASKET KITS
BALANCER GP
4L-8787 BALANCER GP
BALANCER GP
4L-8787 BALANCER GP
FLYWHEEL GP
5L-1955 FLYWHEEL GP
FLYWHEEL GP
1N-5760 FLYWHEEL GP
CAMSHAFT GP-GENERATOR
4L-8788 CAMSHAFT GP-GENERATOR

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