Rectangular Bell Horns & Kits

The classic Hadley Rectangular Bell is the most widely recognized truck air horn in the world. Made famous as original equipment on over-the-road trucks, heavy duty RV, and specialty vehicles. The Hadley Rectangular Bell horn is a heavy duty beauty that is the standard of its industry.

As with all Hadley horns, do-it-yourself kits are available for Rectangular Bell Horns which include everything needed to mount the system; horns, compressor, hoses, and 7/16″ 24 thread air port fittings with complete installation instructions. Whether as a single unit or as a set, the Hadley Rectangular Bell horn offers the traditional “Hadley Sound”, a crystal clear, characteristic note that can be heard for up to a mile.




rectangular-bell-horns_04 rectangular-bell-horns_05 rectangular-bell-horns_06 rectangular-bell-horns_07 rectangular-bell-horns_08 rectangular-bell-horns_11 rectangular-bell-horns_12




Legacy Bell Design, Two single rectangular bell shape horns, Manual Lanyard vavle, shield, tubing, and horn supports included. rectangular-bell-horns_14 rectangular-bell-horns_15rectangular-bell-horns_17 rectangular-bell-horns_18 rectangular-bell-horns_19 rectangular-bell-horns_20 rectangular-bell-horns_21


Click on an image to learn more about that particular product line.


© Hadley | Copyright 2022