Caterpillar C10 & C12 Specifications Manual


Caterpillar factory Specifications manual for the Cat C10 & C12 engine with engine serial number prefix of 8YS & 6NS. Covers torque specifications, engine dimensions & clearances.

SKU: TMRE1322 Category:
Factory printed Caterpillar C10 & C12 specifications manual for the Caterpillar C10 & C12 engine.  Covers torque specifications, bore sizing, dimensions & clearances needed for the overhaul/repair of this engine.  
If you are performing any repair or overhaul on this Cat engine, you need 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.

Engines: Caterpillar C10 & C12

Engine S/N Prefix: 7YS, 9NS 

Partial list includes:

  • Main bearings
  • Connecting rods bearings
  • Valve lash
  • Cylinder head
  • Rocker arms
  • Manifolds
  • Oil pump, pan & related lubrication parts
  • Pistons & rings
  • Crankshaft
  • Flywheel
  • Seals
  • Water temperature regulator
  • Piston cooling jets
  • Starter
  • Alternator
  • Sensors
  • More has been working with the Caterpillar print facility since 1999, ensuring the correct factory service information is available to fleets, municipalities, water districts, independent service facilities & more.  We at have always felt strongly that it is critical that the industry mechanics be supplied with the correct torque specifications, dimensions & procedures, electronic diagnostic information be made available.  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 in a truck engine 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 | Diesel Diagnostic Equipment

Cat C10 & C12 Specifications Manual

Manuals normally ship out within 24 hours.


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