truck manuals

Caterpillar 3306B Service Manual (9NR)


Print version. Complete factory service manual for a power generation version of the Cat 3306B

Caterpillar 3306B Service Manual (9NR)

Complete factory service manual for a power generation version of the Cat 3306B

Caterpillar 3306B Service Manual (9NR)

Engine: Caterpillar 3306B
Engine S/N Prefix: 9NR

If you are performing any repair or overhaul on this Caterpillar 3306B engine with engine serial code prefix 9NR, this service manual will cover your needs.  This factory printed service manual provides the proper information in order to ensure you can perform the job correctly.
This manual is printed by the Caterpillar print shop so you can be sure the information is correct.

Engine: CAT 3306B
Serial Code Prefix: 9NR has worked with the Caterpillar print facility for many years, ensuring the correct factory service information is available.  Whether you are involved with fleets, municipalities, independent service facilities, this manual is the one you need.

At we feel that it is critical that the industry mechanics be supplied with the correct information.  Torque specifications, dimensions & procedures, electronic diagnostic information is all at your fingertips.

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. Most of all orders are shipped within 24 hours
Caterpillar 3306B Service Manual contents::
  • Safety Info
  • General Torque Info
  • Specifications
  • Disassembly & Assembly
  • Systems Operation, Testing & Adjusting
  • PTO Supplement (if used)
  • Air Compressor (if used)
  • Troubleshooting
  • Operation & Maintenance


Cat 3306B Service Manual sn. prefix 9NR

Why risk a failed repair? Why not use official factory information? With this factory manual you’re that you’re getting the correct information. Is it worth taking the chance?

Manuals normally ship out within 24 hours.

Need more factory service manuals?  Click here.

Need diagnostic software or computers?  Click here.

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

Weight 13 oz


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Caterpillar 3306B Service Manual (9NR)