Caterpillar 3126 Disassembly & Assembly Manual (BKD/G3E/DPF/1AJ, 8YL/CKM/CRP/7AS/8SZ/9SZ


Factory Cat 3126B & E Engine Disassembly & Assembly Manual for engine serial numbers starting w/ BKD1, G3E1, DPF1, 1AJ1, 8YL1, CKM1, CRP1, 7AS1, 8SZ1, 9SZ1

Factory printed Caterpillar 3126 disassembly & assembly manual.
Factory printed manual.  Factory Caterpillar 3126B & 3126E engine.

  • Engine: CAT 3126
  • Engine Serial Code Prefix: BKD1, G3E1, DPF1, 1AJ1, 8YL1, CKM1, CRP1, 7AS1, 8SZ1, 9SZ1

Partial list of coverage:

  • 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 specifications as those are located in the respective Specifications manual. 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

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