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Caterpillar C15/C16/C18 Specifications Manual (W1A/CJP/MDP/MEP/6NZ/7CZ/9NZ)


Factory Specifications manual for the Cat C15, C16 & C18 engine with engine serial number starting with 8YS & 6NS. Cover engines w/ starting s/n of W1A, CJP, MDP, MEP, 6NZ, 7CZ, 9NZ.


NOTE: If you’re performing an engine overhaul we recommend that you purchase the complete overhaul manual set that we have created in conjunction with Caterpillar. By doing this you’ll have all of the information necessary to properly overhaul your engine.
View Overhaul Set Here

Caterpillar C15/C16/C18 Specifications Manual (W1A/CJP/MDP/MEP/6NZ/7CZ/9NZ)

If you are performing any repair or overhaul on this Caterpillar C15 / C16 or C18 engine, you need the proper information in order to ensure you can perform the job correctly.  This if performing an engine overhaul, this manual is normally used with two other manuals.  They are the (1) Disassembly & Assembly manual & the (2) Systems Operation, Testing and Adjusting manual.

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.

This manual is printed by the Caterpillar print shop so you can be sure the information is correct.
Factory printed manual.  Factory Caterpillar specifications manual.
Engines: Caterpillar C-15, C-16 & C-18
Engine Serial Number Prefix: W1A, CJP, MDP, MEP, 6NZ, 7CZ, 9NZ.

Covers all torque & clearance specs needed for the overhaul/repair of this engine. Includes:

  • Crankshaft & Main Bearings
  • Pistons, Rings, Connecting Rods/Bearings
  • Valves & Valve Train
  • Cylinder Head & Block
  • Turbocharger
  • Manifolds
  • Oil Pump, Pan & Related Lubrication Parts
  • Flywheel
  • Seals
  • Water Temperature Regulator
  • Water Pump & Lines
  • Piston Cooling Jets
  • Starter
  • Alternator / Regulator
  • Sensors (coolant, air inlet, oil & fuel temperature; oil, barometric & atmospheric pressure; APP)
  • Fuel Transfer Pump
  • Fuel Injectors
  • Compression Brake (if equipped)
  • BrakeSaver & Related Parts
  • Front Housing & Gear Group
  • Belt Tensioner

Caterpillar reserves the right to make changes without prior notice

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Caterpillar C15, C16 & C18 Specifications Manual

Manuals normally ship out within 24 hours.

Caterpillar C15/C16/C18 Specifications Manual (W1A/CJP/MDP/MEP/6NZ/7CZ/9NZ)


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Caterpillar C15/C16/C18 Specifications Manual (W1A/CJP/MDP/MEP/6NZ/7CZ/9NZ)