Car Bottom Furnace

Car bottom furnaces provide the operator with ease of loading and unloading large, or heavy products without damaging the furnace interior. Typical uses for this style furnace are stress relieving, annealing, normalizing or steel tempering.

Lindberg/MPH designs and manufactures fuel (gas) fired, electrically heated and dual energy car bottom box furnaces for batch processing large parts at temperatures up to 2800°F. These furnaces feature rapid heat-up and cool-down rates. Engineered to the highest quality standards, our car bottom furnaces meet strict temperature uniformity requirements and provide reliable operation. We also offer a wide range of temperature control and full data retrieval systems.

Common Car Bottom Furnace Applications

car bottom furnace

Benefits of Car Bottom Furnaces

  • Innovative and lightweight modular design for easy installation
  • Economical system 30% more energy efficient than conventional brick lined car bottom furnaces
  • Exceptionally fast temperature response and excellent uniformity
  • Maximum utilization of off-peak power rates
  • Quick energy source versatility for fluctuating needs
  • Excellent resistance to thermal shock
  • Requires low maintenance 

Car Bottom Furnace Features

  • Temperature range to 2800°F
  • Electric models utilize Moldatherm insulation with embedded heating elements
  • Gas-fired models utilize medium-velocity gas/air burner combustion systems
  • Modular construction for easy installation.
  • Powered carts with or without raise piers to support workload or base trays.
  • Single or double door designs with one or multiple cars
  • Doors can also be attached to the car when overhead space is not available. 


  • Multiple temperature control zones
  • Large recirculating fans
  • Cooling systems
  • Specialized controls and data acquisition