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Caterpillar 3406E Disassembly & Assembly (5EK/6TS)


Print version. OEM factory disassembly & assembly manual for the Cat 3406E engine with engine serial number starting with 5EK & 6TS.

Caterpillar 3406E Disassembly & Assembly (5EK/6TS)

This is a factory printed Caterpillar 3406E disassembly & assembly manual with the engine serial code prefixes 5EK and 6TS.  This manual set will provide the information you need to service, repair, diagnose & overhaul the mechanical portion of this engine.  This manual provides the exact procedures the factory recommends to do the job right.  Following these factory approved procedures will help you do the job correctly and in a time saving manner.  Rather than purchasing the entire Caterpillar service manual (which take up a lot of space), why not get just the exact manual you need?

This Caterpillar 3406E disassembly & assembly manual set takes very little space & includes the factory information you need to service, repair or overhaul this Cat engine.  Saves both money and space. has been working with the Caterpillar print facility for many years, ensuring the correct factory service information.  We supply fleets, municipalities, water districts, independent service facilities & more.  At we have always felt strongly that it is critical that the industry mechanics be supplied with the correct information.  An example is torque specifications, dimensions & procedures, electronic diagnostic information, systems operation, testing, adjusting, etc.

The changes in the trucking industry over the decades have made it critical to “do the job once, do the job right”.   Procedures that were acceptable years ago would, if tried now, would likely cause rapid failures if they were used on present day engines & drivetrains.

The customer has two great advantages when dealing with

  1. Factory printed manuals
  2. 97% of all orders are shipped within 24 hours
Engine Overhaul Note: Performing an engine overhaul?  Save time & money and purchase the complete overhaul manual set. By doing this you’ll have all of the information necessary to properly overhaul your engine.
Factory printed disassembly & assembly manual for the Cat 3406E.
Engine: Caterpillar 3406E
Engine Serial Number Prefix: 5EK & 6TS
Disassembly & Assembly
Coverage Includes:
  • Camshaft & bearings
  • Crankshaft & bearing
  • Pistons, rods & bearings
  • Seal replacement
  • Oil pan & pump
  • Water pump
  • Cylinder head
  • Fuel transfer pump
  • Turbocharger
  • Injectors
  • Injector Sleeves
  • More

Does not cover any torque or other specifications as those are located in the respective Specifications manual.

Manufacturer reserves the right to make changes without prior notice.

Caterpillar 3406E Disassembly & Assembly (s/n starting w/ 5EK, 6TS)

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Caterpillar 3406E Disassembly & Assembly (5EK/6TS)


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Caterpillar 3406E Disassembly & Assembly (5EK/6TS)