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HPD450-E490  Oil-Free Rotary Vane Truck Blower


Oil-Free Rotary Vane Truck Blower

The fastest offload times in the business

The HPD 450 and E490 rotary vane dry truck blowers are economical, lightweight, and is a high performance solution for offloading dry bulk materials


The HPD 450 and E490 Truck Blower offers the following benefits:

  • Completely oil-free air delivery
  • Special carbon vanes that automatically adjust for wear providing continuous maximum performance
  • Low noise operation, which allows for no ear protection during normal operation
  • Lower rotor speeds and efficient design that generates less heat and longer blower life
  • Includes a K1310 drive flange and mouting bolts capable of being driven by PTO, belt or hydraulic drive 

Your Benefits at a Glance

  • Coolest operating temperatures in the industry
  • Quietest blower in the industry
  • Lightest blower in it's class
  • Most energy efficient truck blower in its class - 44 HP delivers 325 cfm and 25 psi
  • Lower initial cost (no discharge silencer required)
  • Ideal for lease operators


Built for use in demanding applications

  • Corrosion resistance- Electrolyse Nickel plated rotor provides good resistance. Long life and increased reliability
  • Bearing lubrication - simple injected grease, long life, low maintenance costs
  • Wide performace range - A flexible tank truck means a more versatile fleet. Reduces operational costs
  • Efficiency - The sliding vanes maintain efficiency and flow rates. Reliable, dependable performance
  • Compact - Despite the wide performance range, the size and shape of the machine makes low cost direct driving possible. Low cost installation

It's one of a kind!

  • Reliable, robust, and economical
  • Coolest operating temperatures in the industry
  • Quietest blower in the industry
  • Capable of medium and high pressure off loads



All parts are NOT created equal.

Gardner Denver has a range of accessories to compliment the HPD 450 / E490. Accessories are available as discrete items or packaged together with new blowers. All genuine parts are factory engineered to the exact specifications of our machines, this means you get maximum performance from our blowers and compressors. 

  • Stainless Steel Inlet Filter 
  • Truck Blower Overhaul Kits
  • Relief Valves
  • Complete installation kits including mounting brackets, silencer kits, and filter kits

Service and Warranty

In the competitive market we work in, the cost to a business for a vehicle being off-the-road is high. Down time equals money lost. We understand this. That's why Gardner Denver's nationwide service network and highly skilled and certified technicians are available 24/7 to meet your repair needs. We offer support with extensive stocked spare parts to get you and your product back in operation as soon as possible.

What do we offer?

  • Globally stocked genuine spare parts
  • Service and maintenance kits
  • Detailed commissioning
  • Complete check and overhaul of your compressed air system
  • Reliable, professional maintenance and service contracts
  • Personalized maintenance and service contracts
  • Service training of customers and dealers
  • Professional information and advice