HornAir 5HB Onboard Air System

Honking & Light Pneumatic Use


Suggested Addons
Add Viair Air Compressor Bracket Tooltip
The Viair Air Compressor Bracket will allow you to mount your compressor upright and is compatible with Viair Compressor models 275C-485C.
Add Tire Inflation Kit Tooltip
Our Tire Inflation Kit includes a 30' Coil Hose, Tire Inflation Gun, Air Relocation Kit, Blow Gun, & a complete Air Accessory Fitting Kit!
Add 220 PSI Digital Pressure Gauge Tooltip
Using a tank mounted sensor wired directly to your gauge, our 220-PSI rated Digital Air Pressure Gauge delivers unparalleled accuracy with microprocessor stabilized readings.
Add Cooling Fan Isolator Kit Tooltip
Isolate your Compressor, drastically cutting down on vibration, allowing your compressor to run quieter & cooler, & extending the duty cycle up you 25%!
Add 400C Dual Air Compressor Upgrade Tooltip
Double your performance with the 400C Dual Compressor upgrade. Recharge your tank faster and honk more often.


Designed to supply massive amounts of air when you need it most. The HornAir 5HB comes complete with everything needed to get this onboard air system installed in your vehicle. The 5HB is perfect to be paired with even our most extreme train horns!

The 5HB air system features a 5-gallon air tank, big enough to keep up any air-hungry beast honking for at least 5-7 seconds.

  • Designed for extreme train horns
  • All-inclusive onboard air solution
  • Comes with a standard 1/2" push-to-pull fitting
  • Complete brass NPT fitting kit & wiring kit
  • All standard mounting hardware
  • Stainless steel liquid-filled air pressure gauge
  • Air Tank: HornAir 5-gallon air tank
  • Tank Length: 20.5" (520.7 mm)
  • Tank Diameter: 9.5" (241.3 mm)
  • Tank Height (With Legs): 11.5" (292.1 mm)
  • Tank Weight: 20 lb (9.07 Kg)
  • Operating Pressure: 150 PSI
  • Restart Pressure: 110 PSI
  • Voltage: 12 volts DC
  • Air Compressor Length: 8.75" (222.25 mm)
  • Air Compressor Width: 4" (101.6 mm)
  • Air Compressor Height: 6.6" (167.64 mm)
  • Max Amp Draw: 25 Amps

5-Gallon Air Tank Dimensional Drawing

  • Money-Back Guarantee/Refund Policy
    All merchandise unless otherwise indicated may be returned within 30 days from the shipment arrival date for a refund. A Returned Merchandise Authorization (RMA) number is required for all returns. A 15% restocking fee may apply. Additional deductions may be made to reflect the products current market value. These terms apply to all refunds. Most products are shipped with a refund/replacement guarantee period unless otherwise noted in the product listing. Customers must inform HornBlasters.com of any order discrepancy within 7 days from the invoice date so that we may investigate and resolve the situation accordingly.
  • Warranty
    This product is backed by our 2-year manufacturer's defect warranty!
  • HornBlasters.com Satisfaction Guarantee
    HornBlasters.com offers our customers a 30-day satisfaction replacement or refund guarantee on all purchases, except when otherwise noted in the product listing.
  • Cross-Shipments
    HornBlasters.com will not cross-ship returned merchandise.
  • Physical Damage Policy
    Physical damage to any product purchased at HornBlasters.com will effectively void warranty coverage. Physical damage includes but is not limited to improper handling and/or any other type of damage sustained by irregular usage.

Warnings & Notices

Safety warning icon

This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.p65warnings.ca.gov.