AIRTRONIC D4 Airtronic D5
Diesel Variant (D) (D) AIRTRONIC D4 AIRTRONIC D5
Gasoline Variant (G) (G)
Voltage (D) V 24 12
Voltage (G) V 12
Heat flow (D) W 4000 5500
Heat flow (G) W 5500
Fuel consumption (D) l/h 0.13 - 0.51 0.15 - 0.66
Fuel consumption (G) l/h 0.27 - 0.75
Size (D) mm 371x140x150 530x170x170
Size (G) mm 530x170x170
All Data All Data


School Bus Heater Applications

E-Guardian 5
Engine pre-heat

E-Guardian 8
100% Bio-diesel

E-Guardian 10
Provides preheat and supplement heat for small to large buses.

E-Guardian 12
Provides a quicker preheat in extreme cold climates.



Technology in detail
Air heaters
Coolant heaters

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Technical information, troubleshooting or application specifications
Bus Heater Types