truck manuals

Caterpillar 3406E Service Manual (5EK/6TS/1WL/5DS)


Print version. Factory Cat 3406E service manual for engines with serial numbers starting with 5EK, 1WL, 5DS & 6TS.

Caterpillar 3406E Service Manual (5EK/6TS/1WL/5DS)

If you are performing any repair, service, diagnostics or overhaul on this 3406E engine, this Caterpillar 3406E Service Manual contains  all of the information you’ll need. 

This Caterpillar 3406E engine service manual is full sized and chock full of the factory information you need to service,  repair, diagnose & overhaul this 3406E engine.
Saving both, money and space. has been working with the Caterpillar print facility for many years, ensuring the correct factory service information.  We make these manuals available to 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.   This would include torque specifications, dimensions & procedures, systems operation, adjusting, electronic diagnostic information, 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 may have been acceptable years ago would now 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

Print version.  Factory Caterpillar 3406E service manual for engines with serial numbers starting with 5EK, 1WL, 5DS & 6TS.

Includes the following information:

  • Specifications
  • Systems Operation, Testing & Adjusting
  • Disassembly & Assembly
  • Air Compressor (as needed)
  • PTO
  • Troubleshooting / Electronic Diagnostics
  • Electrical
  • Operation & Maintenance
  • More

Caterpillar 3406E Service Manual (s/n 5EK, 6TS, 1WL, 5DS )

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While this is a factory manual, we are not representing to be an agent of this manufacturer | Diesel Diagnostic Equipment

Caterpillar 3406E Service Manual (5EK/6TS/1WL/5DS)


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Caterpillar 3406E Service Manual (5EK/6TS/1WL/5DS)