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Engine Coolant Heater

sioux engine coolant heater Heat and Circulate Engine Coolant for Rapid Equipment Startup in Cold Weather


  • Reduces startup time of heavy equipment.
  • Raises 150 gallons of engine coolant from -40°F to +60°F in 33 minutes; alternate starting methods can take up to 24 hours.
  • Pays for itself in one use; Sioux mining customers have estimated that each engine coolant heater saves them $70,000-$80,000 per cold weather day by eliminating startup delays.
  • Engineered and manufactured to last 20 to 30 years.
  • Completely self-contained, portable system. 



mining in winterThe Engine Coolant Heater heats and circulates anti-freeze through the radiator and engine block of the equipment, quickly warming the coolant and engine, allowing faster equipment startup.

The heater is a completely self-contained system designed to fit between the wheel wells of a standard pick-up truck. The system includes the Sioux M-200 heating unit, generator, circulating pump, anti-freeze storage tank, and all hoses and hose reels needed to operate the system.



   Sioux Model CT200
 Parameter  Unit of Measure
 Motor HP 3/4
 Heat Output
 Generator - Gas Engine
 Coolant Tank Size
gallons (liters)
 26 (98.8)
 Circulation Pump Type
 Heating Coil
  1/2" schedule 80 steel pipe
 Fuel Type - Burner
 Fuel Tank Size - Burner
gallons (liters)
 30 (113.5)
 Inlet Hose Size (OD)
in (mm)
 1 (25.4)
 Inlet Hose Length
 ft (m)
 25 (7.6)
 Outlet Hose Size (OD)
in (mm)
 1 (25.4)
 Outlet Hose Length
 ft (m)
25 (7.6)
 Voltage volts
 Operating Current
 Machine Dimensions (Approx.)*   L x W x H 
in (m)
73 x 48 x 67
(1.85 x 1.22 x 1.7)
 Shipping Dimensions (Approx.)*  L x W x H   
 in (m)
80 x 55 x 72
(2 x 1.4 x 1.8)
 Machine Weight, Dry (Approx.)*  lb (kg)
 1400 (635)
 Shipping Weight (Approx.)*
1480 (671)