VMAC UNDERHOOD Air Compressor - How It Works

Complete system includes:

• belt-driven rotary screw air compressor
• drive system
• air/oil separator tank
• oil cooler
• throttle control

VMAC's air-on-demand technology matches air output with air demand.  As your tools require more air, the truck engine increases RPM to produce more air, matching your requirements.  With rotary screw compressors, you can run 100% duty cycle and not have to worry about re-filling a bulky reservoir tank.  This means you can use your tools without having to wait for your air supply to catch up.  More uptime means your can accomplish more.

UNDERHOOD compressors use only a small air/oil separator tank that safely mounts on the frame rail of your truck.  The rest of the components are neatly mounted under your hood so you save valuable weight and payload space.  Not mounting a larger gas or hydraulic drive compressor in the back of your truck gives you more room for tools and other equipment.

UNDERHOOD compressors will run most of your pneumatic tools.  You won't need to drag a tow-behind with you that requires extra maintenance, fuel, insurance and ties up your receiver hitch.  As work trucks are being used for more and more jobs, the room you save by using an UNDERHOOD system allows you to equip your truck for a wider variety of jobs.

Components:

VR Rotary Screw Compressor
Small, light and very powerful.  Rotary screw compressors deliver more air than older, reciprocating piston style compressors.  100% duty cycle means more uptime.  Driven by your truck's engine gives you the advantage of not having to bring extra fuel to the job site, or maintain and insure a separate trailer just for your air needs.

Drive System
The compressor is driven by it's own serpentine belt.  The drive system is mounted forward of the OEM belt and uses idlers and tensioners to exacting tolerances.  OEM drive systems have limited capacity for further horsepower draws and add side-loading to aftermarket pulleys.  The VR drive system is designed specifically to match the horsepower and alignment of the compressor.

Air/Oil Separator Tank
Required to separate compressor oil from compressed air, the tank mounts safely to your truck's frame rail.  There is no need to mount a bulky receiver tank that takes up payload. 

Oil Cooler
Liquid to liquid or air to liquid, depending on the system.  The compressor cooler mounts in the engine compartment and out of the way.