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Standard Features
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The most versatile, robust indirect fired air heaters producing clean, moisture free air for various heating and drying applications. The HI900 is easy to set-up and simple to operation making these units extremely user friendly, and can operate on diesel, natural gas or propane for maximum job site convenience. All models are CSA certified.


Wacker Neuson
Model Year
HI900 G
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Overall: 139 in. (3,540 mm)
Shipping: 151 in. (3,830 mm)
Overall: 77 in. (1,960 mm)
Shipping: 84 in. (2,120 mm)
Overall: 47 in. (1,190 mm)
Shipping: 50 in. (1,270 mm)
Dry: 2,874 lbs. (1,303.6 kg)
Operating with Fuel: 2,550 lbs. (1,156.7 kg)


Fuel Type
Fuel Consumption
NG: 850 cu. ft./hr (24.03 m³/h)
LP: 8.19 gph (35.1 l/h)


850,000 BTU/hr heating power heat input
Air Flow
6,447 cfm (10,953.5 m³/h)

Standard Features

 Indirect fired air heaters produce clean, dry, healthy heat offering an ideal environment for a variety of construction, residential and restoration applications without the use of an open flame, combustion carbons or water.  
 The unique Recircul-Air design allows adjustable recirculation of warm inside air, while pressurizing with fresh air, resulting in fuel savings and even temperatures.  
 Industry leading for heat delivery in its class, boasting up to 878,000 BTU/hr and up to 6,450 cubic feet per minute, the HI 900 also features a static pressure gauge, helping maximize heat delivery and avoid output air restrictions.  
 Designed for maximum mobility with integrated forklift pockets and a single lift point, the HI 900 is able to fit through a 36 in. door opening.  


 Model Variations
 HI 900 D - 2 x 20 in. adapters  
 HI 900 D - 3 x 16 in. adapters  
 HI 900 D - 4 x 12 in. adapters  
 “Plug and play” burners can easily be swapped between diesel and NG/LP and units feature extra-large burner compartment for ideal service access or simple burner conversion.  

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*Price, if shown, is Manufacturer's Suggested Retail Price (MSRP) and does not include government fees, taxes, dealer freight/preparation, dealer document preparation charges or any finance charges (if applicable). MSRP and/or final actual sales price will vary depending on options or accessories selected.