Caterpillar Truck Engine Repair in Montreal: C15, C13, C12 and 3406E

Caterpillar stopped supplying engines for new highway tractors around 2010, but C15, C13, C12 and 3406E engines still run in many older trucks. We service and repair them.

Caterpillar engines we repair

Older engines still on the road

  • C15 (including ACERT)
  • C13
  • C12
  • 3406E

These engines are no longer offered in new highway tractors. They are mainly found in older Kenworth, Peterbilt, Freightliner, International and Western Star trucks.

Common Caterpillar engine repairs

Injection

Electronic unit injectors (EUI / MEUI), fuel pressure and hard starts.

Turbo and boost

Turbo, charge-air leaks and power loss, including twin-turbo C15 ACERTs.

Cooling and overheating

Radiator, thermostat, water pump and gaskets.

Engine electrical

Sensors, harnesses and the engine control module.

Problems we diagnose

  • Check engine light
  • Fault codes
  • Derate
  • Power loss
  • Hard starting
  • Fuel injection
  • Fuel pressure
  • Turbo
  • EGR
  • Cooling system
  • Overheating
  • DPF
  • DOC
  • SCR
  • DEF
  • Regen
  • Sensors
  • Engine electrical

FAQ

Are you a Caterpillar dealer?

No. CM Montréal is an independent heavy-duty truck shop; we are not a Caterpillar dealer or warranty centre.

Do you still repair 3406E engines?

Yes, we still service 3406Es; parts availability is checked case by case.

Does Caterpillar still make highway truck engines?

Not for new highway tractors since around 2010. We repair CAT engines in older trucks.

Trouble with your Caterpillar engine?