The UNDERHOOD™ air compressor is the best choice for customers who need to save cargo space, reduce vehicle GVW, and minimize maintenance requirements. Working closely with leading manufacturers, VMAC engineers mounting kits for the easiest possible installation and ensures that mounting kits do not affect OEM warranties. Mounting kits are available for the most popular work trucks and commercial vans.
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UNDERHOOD™ Air Compressor (VR150)

VMAC® UNDERHOOD™ Vehicle Mounted Air Compressor
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UNDERHOOD™ 40 Air Compressor
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UNDERHOOD™ 70 Air Compressor
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VMAC UNDERHOOD™ 150 Air Compressor
Description N/A UNDERHOOD™ 150 air compressors allow you to free up your truck hitch, so it can be used for towing other equipment. By freeing up your hitch for other equipment, you can haul more of materials to the jobsite, make only one trip to the jobsite, or reduce the number of trucks you need on the jobsite. N/A The UNDERHOOD™ air compressor is the best choice for customers who need to save cargo space, reduce vehicle GVW, and minimize maintenance requirements. Working closely with leading manufacturers, VMAC engineers mounting kits for the easiest possible installation and ensures that mounting kits do not affect OEM warranties. Mounting kits are available for the most popular work trucks and commercial vans. N/A The UNDERHOOD™ air compressor is the best choice for customers who need to save cargo space, reduce vehicle GVW, and minimize maintenance requirements. Working closely with leading manufacturers, VMAC engineers mounting kits for the easiest possible installation and ensures that mounting kits do not affect OEM warranties. Mounting kits are available for the most popular work trucks and commercial vans. N/A The UNDERHOOD™ air compressor is the best choice for customers who need to save cargo space, reduce vehicle GVW, and minimize maintenance requirements. Working closely with leading manufacturers, VMAC engineers mounting kits for the easiest possible installation and ensures that mounting kits do not affect OEM warranties. Mounting kits are available for the most popular work trucks and commercial vans.
Height with Oil Filter N/A N/A 17.5 in N/A N/A
Width with Oil Filter N/A N/A 8 in N/A N/A
Length with Oil Filter N/A N/A 19.75 in N/A N/A
Duty Cycle N/A N/A 100 % N/A 100 % N/A 100 %
Compressor Type N/A N/A Belt-Driven VMAC Oil-Injected Rotary Screw N/A Rotary Screw N/A
Rated Air Capacity at 100 psi (150 psi Maximum) N/A N/A 40 ft³/min N/A 70 ft³/min N/A 140 ft³/min
Approximate Weight (Wet) N/A 200 lb90 kg N/A 62 lb N/A 150 lb N/A 200 lb
WHASP Tank N/A N/A Combined air/oil cooler and air/oil separator tank N/A N/A
Bracket N/A N/A Application Engineered Easy Installation Mounts in OEM Optional Secondary Alternator Position N/A N/A
Throttle Control N/A Variable speed; digital throttle control connects to OBD2 CAN bus connector (2020+ model year trucks only); adjusts truck engine speed automatically to match air demand. N/A Two-speed Operation; Automatically modulates engine RPM depending on air usage; adjustable N/A Variable speed; adjusts truck engine speed automatically to match air demand N/A Variable speed; adjusts truck engine truck speed automatically to match air demand
Interface Panel N/A N/A Easy to Read Hour Meter On/Off Controls with Indicator Light N/A N/A
Safety Features N/A N/A Electro-magnetic clutch
Compressor thermal protection circuit
Automatic rapid blow-down valve on tank
200 psi air pressure relief valve 		N/A LCD Display
Service notifications
Error Messages
System temperature 		N/A LCD Display
Service notifications
Error Messages
System temperature
Why Choose UNDERHOOD™ 40? N/A N/A Minimum 6-Gallon air receiver tank; recommended for best performance.

Call for information on below freezing applications 		N/A N/A
Note N/A N/A Why Choose UNDERHOOD™40?
  • Do you require compressed air to run your air tools?
  • Is space at a premium and you can't afford to lose valuable room?
  • Are you concerned with carrying fuel for a gas-powered compressor?
  • Have you had to reduce what you can carry due to payload concerns?
  • Is your productivity affected by using compressors that don’t run at 100% duty cycle?
 		N/A N/A
Brands N/A VMAC® N/A N/A N/A
Air Compressor Output at 100 Pound Per Square Inch (psi) (Maximum 175 Pound Per Square Inch (psi))1 N/A Up to 140 ft³/min N/A N/A N/A
Air Compressor Type N/A Belt-driven, 100% duty cycle, VMAC® oil-injected rotary screw N/A N/A N/A
Pressure Relief Valve N/A 200 psi N/A N/A N/A
Control Box N/A
  • LCD Display
  • Service notifications
  • Displays error messages and stores error codes
  • System temperature
 		N/A N/A N/A
Safety System N/A
  • Electro-Magnetic Clutch
  • Compressor over-temp sensor
  • Automatic rapid blow-down valve on tank
  • Truck drive disable circuit on throttle control
  • Truck park brake safety shut-off switch on control box
 		N/A N/A N/A
Warranty N/A Two years on all major components; VMAC® air-ends are covered by VMAC’s Lifetime Limited Warranty. N/A N/A N/A
Optional Accessories N/A Item# - A700031
Item Name - Air System De-Icer

Item# - A700136
Item Name - Heavy-Duty Air Filter

Item# - A700138
Item Name - Heavy-Duty Air Filter

Item# - A700221
Item Name - Filter Regulator Lubricator (FRL) - Up to 185 CFM

Item# - A800185
Item Name - Air Aftercooler & Filter Regulator Lubricator (FRL)

Item# - A700221
Item Name - Air Aftercooler & Filter Regulator Lubricator (FRL) 		N/A N/A N/A
Additional Information N/A THROTTLE COMMANDER throttle controls are easy to install idle up speed controllers activated with a 12-volt signal. Designed for electronic and non-electronic engines, these load sensing throttle controls will follow a preset programmed rpm setting. N/A N/A N/A
  • 1 Actual maximum CFM output of the air compressor varies by vehicle application. See application list for details.