Caterpillar 3406E Specifications Manual (sn. 1LW, 5DS)


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

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.

Factory printed specifications manual for the Cat 3406E engine.  Covers torque specs & engine dimensions & clearances.

Engine: 3406E

Engine Serial Number Prefix: 1LW & 5DS.

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
Cat 3406E Specifications Manual (sn. 1LW)

Manuals normally ship out within 24 hours.


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