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CYLINDER HEAD AND VALVE MECHANISM--PART 1 OF 2 EFFECTIVE WITH SERIAL NO. 67B714 D398A MARINE ENGINE


BASIC ENGINE
CYLINDER HEAD GP
CYLINDER BLOCK GP
CRANKSHAFT GP

MARINE ENGINE D398A MARINE ENGINE 67B
 D398 MARINE ENGINE 67B00001-00919 UE034179 D398A 67B   (1961)

BASIC ENGINE

CYLINDER HEAD GP
CYLINDER HEAD AND VALVE MECHANISM
CYLINDER HEAD AND VALVE MECHANISM
CYLINDER HEAD AND VALVE MECHANISM
CYLINDER HEAD AND VALVE MECHANISM
CYLINDER HEAD AND VALVE MECHANISM
CYLINDER HEAD AND VALVE MECHANISM
CYLINDER HEAD AND VALVE MECHANISM
CYLINDER HEAD AND VALVE MECHANISM
CYLINDER HEAD AND VALVE MECHANISM
CYLINDER HEAD AND VALVE MECHANISM
CYLINDER HEAD AND VALVE MECHANISM
CYLINDER HEAD AND VALVE MECHANISM
 

#UE0341790080
 

CYLINDER HEAD AND VALVE MECHANISM

CYLINDER HEAD AND VALVE MECHANISM--PART 1 OF 2
EFFECTIVE WITH SERIAL NO. 67B714
c121519 UE034179
None CYLINDER HEAD AND VALVE MECHANISM Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  9F-8254 [24] SOCKET  
    (1 IN EACH ARM ASSEM. 4L3855 & 4H9811)
  7B-2420 [36] FERRULE  
  7B-2419 [36] GROMMET  
  3B-0645 [48] PLUG  
    (8 IN EACH HEAD ASSEM. 7L138)
  0T-0065 [2] BOLT  
  0L-0364 [2] LOCK  
  4L-3362 [1] ELBOW  
    (OIL MANIFOLD)
  6L-1651 [13] SEAL  
  2A-1278 [12] END  
  1B-4203 [12] NUT  
  4L-7856 [12] ROD  
  1B-4204 [24] NUT  
  1A-0744 [24] SCREW  
  4L-3796 [6] COVER  
  0L-1351 [12] BOLT  
  3B-4506 [12] LOCKWASHER  
  3F-7445 [24] BUSHING  
    (1 IN EACH ARM ASSEM. 4L3855 & 4H9811)
  4L-3855 [12] ARM ASSEM. (INTAKE)  
  4H-9811 [12] ARM ASSEM. (EXHAUST)  
  6H-3217 [6] SHAFT ASSEM.  
  3B-4621 [12] COTTER PIN  
  4F-4585 [12] PLUG  
    (2 IN EACH SHAFT ASSEM. 6H3217)
  4H-6716 [36] WASHER  
  1B-9917 [12] SPRING (SHORT)  
  6F-5034 [6] SPRING (LONG)  
  1H-8645 [2] SCREW  
  2A-3278 [2] GASKET  
  4L-7849 [2] SHAFT  
  7B-0280 [4] SEAL  
  1F-6618 [4] BRACKET  
  4L-8188 [12] STUD  
  5H-2746 [2] PAWL  
  5H-2747 [2] BRACKET  
  [24] BOLT  
  3F-4550 [12] LOCK  
  0T-0065 [12] BOLT  
  1A-7427 [6] LOCK  
  4L-3380 [6] CONNECTOR  
  4L-8548 [6] BRACKET ASSEM.  
  3F-6808 [12] DOWEL  
    (2 IN EACH BRACKET ASSEM. 4L8548)
 

#UE0341790081
 

CYLINDER HEAD AND VALVE MECHANISM

CYLINDER HEAD AND VALVE MECHANISM--PART 2 of 2
EFFECTIVE WITH SERIAL NO. 67B714
c121520 UE034179
None CYLINDER HEAD AND VALVE MECHANISM Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8F-4994 [12] SEAL  
  3F-9780 [12] WASHER  
  8H-7097 [12] VALVE (EXHAUST)  
  7M-7817 [12] VALVE (INTAKE)  
  5H-1012 [12] GASKET  
  7S-6366 [12] BUSHING (EXHAUST)  
  7S-6322 [12] BUSHING (INTAKE)  
    (2 OF EACH IN EACH HEAD ASSEM 7L138)
  7M-6848 [12] CHAMBER ASSEM.  
  4L-7820 [24] ROD ASSEM.  
  6B-7021 [12] SEAL  
  5L-5486 [24] LIFTER ASSEM.  
  5H-4064 [12] RETAINER  
  5H-7370 [12] SEAL  
  1B-4205 [24] NUT  
  4L-3803 [12] BRACKET  
  8F-8858 [24] BUTTON  
  8F-9206 [24] RING  
  3H-5867 [24] RETAINER  
  6L-3352 [6] GASKET  
  3B-1143 [72] LOCK  
  8M-5251 [24] SEAL  
  7S-6323 [24] SPRING  
  4S-7468 [24] ROTOCOIL  
  1F-3278 [6] FITTING  
  4H-0945 [6] FITTING  
  4H-2495 [6] NUT  
  4H-2494 [6] SLEEVE  
    (1 OF EACH IN EACH FITTING 4H945)
  7L-0138 R [6] HEAD ASSEM.  
  1F-1344 [6] NUT  
    (1 IN EACH FITTING 1F3278)
  4L-7892 [6] TUBE (8.09" LONG)  
  5H-7071 [48] DIRECTOR  
    (8 IN EACH HEAD ASSEM. 7L138)
  6L-7813 [48] SEAL  
  6B-6224 [48] FERRULE  
  4L-6740 [6] GASKET (COPPER)  
  6L-4497 [6] GASKET (PLAIN)  
  5B-2383 [12] NUT  
  4L-8189 [12] STUD  
  6B-6682 [96] NUT  
  5H-1504 [96] WASHER  
  8M-4014 [12] INSERT (EXHAUST)  
  4S-8906 H [12] INSERT (.005" OVERSIZE)  
  4S-8907 H [12] INSERT (.010" OVERSIZE)  
  5S-1757 [12] INSERT (INTAKE)  
  4S-8908 H [12] INSERT (.005" OVERSIZE)  
  4S-8909 H [12] INSERT (.010" OVERSIZE)  
    (2 OF EACH IN EACH HEAD ASSEM. 7L138)
  H   NOT PART OF 7L138 HEAD ASSEM.
  R   REMFG PART MAY BE AVAILABLE
 

#UE0341790082
 

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--Side View--Part 1 of 2
Serial No. 67B1 to 67B180 inclusive
c85568 UE034179
None CYLINDER BLOCK AND COVERS Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1A-2223 [24] DOWEL  
  5L-2894 [7] BEARING  
    (PARTS OF BLOCK ASSEM. 4L4626)
  [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4L-7562 [2] GASKET  
  0L-1351 [4] BOLT  
  3B-4506 [8] LOCKWASHER  
  5F-9303 [2] COVER  
  1F-3131 [2] GASKET  
  3B-0551 [2] PLUG  
  1A-0168 [6] BOLT  
  3B-4508 [6] LOCKWASHER  
  2A-1531 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  0L-2061 [2] DOWEL (.875" LONG)  
  2B-2994 [2] DOWEL (1.50" LONG)  
    (PARTS OF BLOCK ASSEM. 4L4626)
  7F-7669 [1] GASKET  
  7F-7670 [1] COVER  
  0L-1351 [4] BOLT  
  4L-4653 [2] PLATE  
  1A-8537 [8] BOLT  
  3B-4510 [14] LOCKWASHER  
  [6] BOLT  
  5L-4095 [2] CAP GROUP  
    (PART OF BLOCK ASSEM. 4L4626)
  5L-4143 [4] SHIM (LARGE)  
    (2 IN EACH CAP GROUP 5L4095)
  5L-4144 [12] SHIM (SMALL)  
    (6 IN EACH CAP GROUP 5L4095)
  4L-4626 [1] BLOCK ASSEM.  
  4L-6142 [14] STUD  
  4L-5834 [14] NUT  
  4L-6830 [14] COTTER PIN  
    (PARTS OF BLOCK ASSEM. 4L4626)
  4F-2609 [1] DOWEL  
  1A-2036 [6] DOWEL  
    (PARTS OF BLOCK ASSEM. 4L4626)
  5L-4090 [5] CAP GROUP  
    (PART OF BLOCK ASSEM. 4L4626)
  5L-4143 [10] SHIM (LARGE)  
    (2 IN EACH CAP GROUP 5L4090)
  5L-4144 [30] SHIM (SMALL)  
    (6 IN EACH CAP GROUP 5L4090)
  5L-7280 [1] COVER ASSEM.  
  1F-9223 [1] GASKET  
  4L-6788 [96] STUD  
    (PART OF BLOCK ASSEM. 4L4626)
  4L-7586 [1] GASKET  
  4L-3395 [2] DOWEL  
    (PART OF BLOCK ASSEM. 4L4626)
 

#UE0341790083
 

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--Front View--Part 2 of 2
Serial No. 67B1 to 67B180 inclusive
Note: 8M1538 Piston and Liner Group is available
c85569 UE034179
None CYLINDER BLOCK AND COVERS Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  0S-1590 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  0S-1589 [6] BOLT  
  3B-4510 [6] LOCKWASHER  
  4L-7587 [6] COVER  
  1F-4419 [6] GASKET  
  0S-1588 [69] BOLT  
  3B-4506 [69] LOCKWASHER  
  5H-2674 [36] SEAL  
  1S-1160 [12] LINER  
  1A-9759 [8] DOWEL  
  0S-1594 [14] BOLT  
  3B-4506 [14] LOCKWASHER  
  [2] BOLT  
  3B-4510 [2] LOCKWASHER  
  4L-6265 [1] SUPPORT  
  7F-5174 [1] FLANGE  
  6F-7557 [1] GASKET  
  1B-5174 [1] PLUG  
  0S-1588 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  1F-4418 [5] COVER  
  1F-9223 [5] GASKET  
  0S-0509 [96] BOLT  
  3B-4506 [96] LOCKWASHER  
  4L-4667 [1] HOUSING (FLYWHEEL)  
 

#UE0341790084
 

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--Side View--Part 1 of 2
Serial No. 67B181 to 67B738 inclusive
c79380 UE034179
None CYLINDER BLOCK AND COVERS Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1A-2223 [24] DOWEL  
  5L-2894 [7] BEARING  
    (PARTS OF BLOCK ASSEM 5L9583)
  [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4L-7562 [2] GASKET  
  0L-1351 [4] BOLT  
  3B-4506 [8] LOCKWASHER  
  5F-9303 [2] COVER  
  1F-3131 [2] GASKET  
  3B-0551 [2] PLUG  
  1A-0168 [6] BOLT  
  3B-4508 [6] LOCKWASHER  
  9M-7269 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  0L-2061 [2] DOWEL (.875" LONG)  
  2B-2994 [2] DOWEL (1.50" LONG)  
    (PARTS OF BLOCK ASSEM. 5L9583)
  7F-7669 [1] GASKET  
  7F-7670 [1] COVER  
  0L-1351 [4] BOLT  
  4L-4653 [2] PLATE  
  1A-8537 [8] BOLT  
  3B-4510 [14] LOCKWASHER  
  [6] BOLT  
  5L-4095 [2] CAP GROUP  
    (PART OF BLOCK ASSEM. 5L9583)
  5L-4143 [4] SHIM (LARGE)  
    (2 IN EACH CAP GROUP 5L4095)
  5L-4144 [12] SHIM (SMALL)  
    (6 IN EACH CAP GROUP 5L4095)
  5L-9583 [1] BLOCK ASSEM.  
  4L-6142 [14] STUD  
  4L-5834 [14] NUT  
  4L-6830 [14] COTTER PIN  
    (PARTS OF BLOCK ASSEM. 5L9583)
  2A-3348 [1] DOWEL  
  1A-2036 [6] DOWEL  
    (PARTS OF BLOCK ASSEM. 5L9583)
  5L-4090 [5] CAP GROUP  
    (PART OF BLOCK ASSEM. 5L9583)
  5L-4143 [10] SHIM (LARGE)  
    (2 IN EACH CAP GROUP 5L4090)
  5L-4144 [30] SHIM (SMALL)  
    (6 IN EACH CAP GROUP 5L4090)
  5L-7280 [1] COVER ASSEM.  
  1F-9223 [1] GASKET  
  4L-6788 [96] STUD  
    (PART OF BLOCK ASSEM. 5L9583)
  4L-7586 [1] GASKET  
  4L-3395 [2] DOWEL  
    (PART OF BLOCK ASSEM. 5L9583)
 

#UE0341790085
 

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--Front View--Part 2 of 2
Serial No. 67B181 to 67B738 inclusive
Note: 8M1538 Piston and Liner Group is available
c121464 UE034179
None CYLINDER BLOCK AND COVERS Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  0S-1590 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  0S-1589 [6] BOLT  
  3B-4510 [6] LOCKWASHER  
  4L-7587 [6] COVER  
  1F-4419 [6] GASKET  
  0S-1588 [69] BOLT  
  3B-4506 [69] LOCKWASHER  
  6L-7815 [36] SEAL  
  1S-2587 [12] LINER  
  1A-9759 [8] DOWEL  
  0S-1594 [14] BOLT  
  3B-4506 [14] LOCKWASHER  
  [2] BOLT  
  3B-4510 [2] LOCKWASHER  
  4L-6265 [1] SUPPORT  
  7F-5174 [1] FLANGE  
  1F-3131 [1] GASKET  
  1B-5174 [1] PLUG  
  0S-1588 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  1F-4418 [5] COVER  
  1F-9223 [5] GASKET  
  0S-0509 [96] BOLT  
  3B-4506 [96] LOCKWASHER  
  6L-2787 [1] HOUSING  
    (FLYWHEEL)
  8N-4708 F BAND-FILLER  
  F   NOT SHOWN
 

#UE0341790086
 

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--Side View--Part 1 of 2
Effective with Serial No. 67B739
c79380 UE034179
None CYLINDER BLOCK AND COVERS Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1A-2223 [24] DOWEL  
  5L-2894 [7] BEARING  
    (PARTS OF BLOCK ASSEM 5L9583)
  [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4L-7562 [2] GASKET  
  0L-1351 [4] BOLT  
  3B-4506 [8] LOCKWASHER  
  5F-9303 [2] COVER  
  1F-3131 [2] GASKET  
  3B-0551 [2] PLUG  
  1A-0168 [6] BOLT  
  3B-4508 [6] LOCKWASHER  
  9M-7269 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  0L-2061 [2] DOWEL (.875" LONG)  
  2B-2994 [2] DOWEL (1.50" LONG)  
    (PARTS OF BLOCK ASSEM. 5L9583)
  7F-7669 [1] GASKET  
  7F-7670 [1] COVER  
  0L-1351 [4] BOLT  
  4L-4653 [2] PLATE  
  1A-8537 [8] BOLT  
  3B-4510 [14] LOCKWASHER  
  [6] BOLT  
  5L-4095 [2] CAP GROUP  
    (PART OF BLOCK ASSEM. 5L9583)
  5L-4143 [4] SHIM (LARGE)  
    (2 IN EACH CAP GROUP 5L4095)
  5L-4144 [12] SHIM (SMALL)  
    (6 IN EACH CAP GROUP 5L4095)
  5L-9583 [1] BLOCK ASSEM.  
  4L-6142 [14] STUD  
  4L-5834 [14] NUT  
  4L-6830 [14] COTTER PIN  
    (PARTS OF BLOCK ASSEM. 5L9583)
  2A-3348 [1] DOWEL  
  1A-2036 [6] DOWEL  
    (PARTS OF BLOCK ASSEM. 5L9583)
  5L-4090 [5] CAP GROUP  
    (PART OF BLOCK ASSEM. 5L9583)
  5L-4143 [10] SHIM (LARGE)  
    (2 IN EACH CAP GROUP 5L4090)
  5L-4144 [30] SHIM (SMALL)  
    (6 IN EACH CAP GROUP 5L4090)
  5L-7280 [1] COVER ASSEM.  
  1F-9223 [1] GASKET  
  4L-6788 [96] STUD  
    (PART OF BLOCK ASSEM. 5L9583)
  4L-7586 [1] GASKET  
  4L-3395 [2] DOWEL  
    (PART OF BLOCK ASSEM. 5L9583)
 

#UE0341790087
 

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--Front View--Part 2 of 2
Effective with Serial No. 67B739
Note: 8M1538 Piston and Liner Group is available
Refer also to Page 88A for special parts
c105272 UE034179
None CYLINDER BLOCK AND COVERS Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  0S-1590 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  0S-1589 [6] BOLT  
  3B-4510 [6] LOCKWASHER  
  8L-4857 C [6] COVER  
  1F-4419 [6] GASKET  
  0S-0509 C [69] BOLT  
  3B-4506 [69] LOCKWASHER  
  6L-7815 [36] SEAL  
  1S-2587 [12] LINER  
  1A-9759 [8] DOWEL  
  0S-1594 [14] BOLT  
  3B-4506 [14] LOCKWASHER  
  8S-9092 [2] BOLT  
  3B-4510 [2] LOCKWASHER  
  4L-6265 [1] SUPPORT  
  7F-5174 [1] FLANGE  
  1F-3131 [1] GASKET  
  1B-5174 [1] PLUG  
  0S-1588 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  1F-4418 [5] COVER  
  1F-9223 [5] GASKET  
  0S-0509 [96] BOLT  
  3B-4506 [96] LOCKWASHER  
  6L-2787 [1] HOUSING  
    (FLYWHEEL)
  C   INDICATES CHANGE FROM PREVIOUS
 

#UE0341790088
 

CRANKSHAFT

CRANKSHAFT
Serial No. 67B1 to 67B85 and 67B87 inclusive
Refer also to Page 89 for special parts
c65932 UE034179
None CRANKSHAFT Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1A-2029 [24] BOLT  
  3B-4506 [24] LOCKWASHER  
  5L-1560 [2] SEAL  
  5L-1982 [1] THROWER  
  4L-4647 [7] BEARING (STANDARD)  
  5L-4184 [7] BEARING (.050" UNDERSIZE)  
  5L-1981 [2] BAFFLE  
  5L-2093 [2] GASKET  
  5L-6293 [1] CRANKSHAFT ASSEM.  
  5L-1852 [1] SHIELD  
  4L-8819 [1] ADAPTER  
  5L-1983 [1] THROWER  
  6F-7035 [10] BOLT  
  3B-4514 [10] LOCKWASHER  
 

#UE0341790089
 

CRANKSHAFT

CRANKSHAFT
SERIAL NO. 67B86 AND 67B88 TO 67B554 INCLUSIVE
REFER ALSO TO PAGE 89 FOR SPECIAL PARTS
c79379 UE034179
None CRANKSHAFT Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  0S-1594 [12] BOLT  
  3B-4506 [12] LOCKWASHER  
  7L-2534 [1] RING  
  5L-7856 [1] THROWER  
  4L-4647 [7] BEARING  
    (STANDARD)
  5L-4184 [7] BEARING  
    (.050" UNDERSIZE)
  5L-2093 [1] GASKET  
  5L-7857 [1] BAFFLE  
  5L-6293 [1] CRANKSHAFT ASSEM.  
  5L-1852 [1] SHIELD  
  5L-7857 [1] BAFFLE  
  5L-2093 [1] GASKET  
  4L-8819 [1] ADAPTER  
  5L-7858 [1] THROWER  
  7L-2534 [1] RING  
  0S-1594 [12] BOLT  
  3B-4506 [12] LOCKWASHER  
  6F-7035 [10] BOLT  
  3B-4514 [10] LOCKWASHER  
 

Information:

Engine News
New Exhaust Valve And Valve Guide
1979/03/07
New Exhaust Valve Has Improved Three-Piece Construction
1979/04/25
Too Much Clearance For Exhaust Valves Can Cause Wear To The Camshaft Lobes And Valve Lifters
1980/01/09
New Inlet And Exhaust Valves And Valve Guides Have Tighter Fit To Prevent Corrosion And Guide Wear
1981/04/01
Bolts Now Used Instead Of Studs To Hold Cylinder Heads
1982/05/12
Use Caution During Replacement Of Damaged Nozzle Adapters Or Precombustion Chambers
1983/01/19
Engine Valve Stem "Use Again" Specifications
1983/03/16
Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures
1983/10/26
A New Book "Analyzing Diesel And Natural Gas Engine Valve Failures" Is Available
1985/03/01
Determining The Cause Of Glow Plug Tip Failures
1986/06/01
Valve Lash Adjustment Interval Is Changed
1986/07/01
New Camshaft And Lifter Kits Available For Slipper Type Cam Followers (Valve Lifters)
1989/12/01
New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads
1990/10/01
Reworking Diesel And Gas Cylinder Heads On 6.25 Bore V Engines {1101}
1994/09/01
Exhaust Valve Guides With A Counterbore Are Now Available
1977/01/28
Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures
1977/05/25
Tolerance Added To Valve Clearance Specifications
1978/01/18
Use Again Specifications For Valve Springs Are Changed
1978/03/01
Caterpillar Warranty Claims on Cylinder Head Valves {1105}
2005/10/03
Special Instruction
Use Of The 1P7451 Valve Guide Honing Group{0673, 1104}
Use Of The 1P7451 Valve Guide Honing Group{0673, 1104}
Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}
Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}
Use Of 6V4805 Valve Seat Insert Puller Group{0703}
Use Of 6V4805 Valve Seat Insert Puller Group{0703}
Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}
Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}
Use Of 6V9050 Exhaust Stud Removal Group{1100}
Use Of 6V9050 Exhaust Stud Removal Group{1100}
Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}
Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}
Service Letter-NACD
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
Service Letter-Australia
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
Service Letter-CFEL
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
Service Letter-CSARL
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
Service Letter-Americas
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
Service Letter-Truck/Ag/Marine
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
Specifications
Cylinder Head
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Valves
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Tool Operating Manual
{0374, 0599, 0629, 0632, 0700, 0701, 1100, 1101}
{0374, 0599, 0629, 0632, 0700, 0701, 1100, 1101}
Service Letter-China
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
Service Letter-Asia
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
Reuse And Salvage Guidelines
Engine Valve Failure Modes{1100, 1105}
Engine Valve Failure Modes{1100, 1105}
Using the 9U-5383 Vacuum Tester {0774, 0781, 1000, 1100}
Using the 9U-5383 Vacuum Tester {0774, 0781, 1000, 1100}
Applied Failure Analysis
Engine Valve Failure Modes{1100, 1105}
Engine Valve Failure Modes{1100, 1105}
Information Release Memo
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
Service Letter-APD
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R2669 AND 0R2670 REMAN CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING CERTAIN 0R-2669 AND 0R-2670 CYLINDER HEADS FROM DEALER PARTS STOCK
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
0R0828, 0R2171, 0R2172, 0R2578, 0R2588, 0R2593, 0R2669, And 0R2670 Remanufactured Cylinder Heads May Need To Be Removed From Dealer Parts Stock
Disassembly and Assembly
Precombustion Chambers
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Cylinder Heads
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Valves
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Valve Guides
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Valve Seat Inserts
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Water Directors
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Service Magazine
New Inlet And Exhaust Valves And Valve Guides Have Tighter Fit To Prevent Corrosion And Guide Wear{1104,1105,1101,1103,1108,1109}
1981/03/16
New Inlet And Exhaust Valves And Valve Guides Have Tighter Fit To Prevent Corrosion And Guide Wear{1104,1105,1101,1103,1108,1109}
1981/06/29
Bolts Now Used Instead Of Studs To Hold Cylinder Heads{1101,1201}
1982/05/10
Vacuum Tester Checks For Leaks Between Valve Face and Seat{0651,1103,1105}
1982/09/06
New 6V7059 Micrometer Measures Liner Top Flange And Valve Lip {0653,1216,1105}
1982/11/29
Engine Valve Stem "Use Again" Specifications{0653,1105}
1983/02/28
Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures{1105,1208}
1983/10/17
Valve Lash Adjustment Not A Warranty Item {1102,1105}
1985/01/14
Determining The Cause Of Glow Plug Tip Failures{1053,1105,1412}
1986/06/02
Valve Lash Adjustment Interval Is Changed {1105}
1986/07/07
New Water Temperature Regulator Has A Closer Fit At The Valve Seat To Keep Leakage At A Minimum{1355}
1977/01/17
Exhaust Valve Guides With A Counterbore Are Now Available{1104}
1977/01/24
Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures{1209}
1977/05/16
Tools Now Available To Ream And/Or Hone 0.500" (12.70 mm) Diameter Valve Guides{0663}
1977/08/22
Tolerance Added To Valve Clearance Specifications{1105,0374}
1978/01/16
Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures{1105,1208}
1978/01/30
Use Again Specifications For Valve Springs Are Changed{1108}
1978/03/06
New Exhaust Valve And Valve Guide{1104,1105}
1979/02/19
New Exhaust Valve Has Improved Three-Piece Construction{1105}
1979/04/09
A New Method To Clean And Polish Engine Valve Stems{0674,1105}
1979/05/28
Why Engines Are Damaged By Fuel Sulfur{1104,1216,1280,1318,1215}
1979/08/27
Fuel Sulfur-Your Diesel's Silent Enemy{0375,1280}
1979/12/17
Too Much Clearance For Exhaust Valves Can Cause Wear To The Camshaft Lobes And Valve Lifters{1105,1210,1209}
1979/12/24
New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads{1105,1101}
1990/10/08

Caterpillar Parts SIS Catalog D398A :

CYLINDER HEAD AND VALVE MECHANISM
CYLINDER HEAD AND VALVE MECHANISM
CYLINDER HEAD AND VALVE MECHANISM
CYLINDER HEAD AND VALVE MECHANISM
CYLINDER HEAD AND VALVE MECHANISM
CYLINDER HEAD AND VALVE MECHANISM
CYLINDER HEAD AND VALVE MECHANISM
CYLINDER HEAD AND VALVE MECHANISM
FRONT ACCESSORY DRIVE
FRONT ACCESSORY DRIVE
FRONT ACCESSORY DRIVE
FRONT ACCESSORY DRIVE
FRONT ACCESSORY DRIVE
FRONT ACCESSORY DRIVE
FRONT ACCESSORY DRIVE
FRONT ACCESSORY DRIVE
CYLINDER HEAD AND VALVE MECHANISM
CYLINDER HEAD AND VALVE MECHANISM
CYLINDER BLOCK AND COVERS
CYLINDER BLOCK AND COVERS
CYLINDER BLOCK AND COVERS
CYLINDER BLOCK AND COVERS
CYLINDER BLOCK AND COVERS
CYLINDER BLOCK AND COVERS
CYLINDER BLOCK AND COVERS
CYLINDER BLOCK AND COVERS
CYLINDER BLOCK AND COVERS
CYLINDER BLOCK AND COVERS
CYLINDER BLOCK AND COVERS
CYLINDER BLOCK AND COVERS
CRANKSHAFT
CRANKSHAFT

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