Model 839-860
Cannon Ball Express ® Pro PLUS
Lanyard Valve 152 Decibels 307/347/440 Hz

When a truck owner demands an ultra powerful horn, the CANNON BALL EXPRESS PRO PLUS TRAIN HORN is the one to choose. Gives any truck a true train horn sound. Constructed of all metal with three (3) triple chrome plated trumpets and operated by a heavy-duty lanyard valve, included. The horn's base is painted steel. The Cannon Ball Express PRO PLUS TRAIN HORN requires an on-board air system. Horn comes with all required mounting hardware, 10 foot length of 1/4" nylon high pressure hose and a heavy-duty lanyard valve.

The on-board air system provided is designed to produce a large volume of high-pressure air to power the CANNON BALL EXPRESS PRO PLUS TRAIN HORN and includes everything necessary for a professional installation. The extra heavy-duty 12-volt motor of the compressor is balanced to precision, and there are 4 heavy rubber bushings mounted into the base virtually eliminating all vibration. The pump produces 3.5 CFM for quick air recovery to the storage tank. For easy installation there is an extended length stainless steel high-pressure hose that allows the compressor to be surface mounted, the stainless steel hose connects the compressor to the 5-gallon metal air storage tank. Other features of the CANNON BALL EXPRESS PRO PLUS are; the tank has a built-in pressure switch, manual water drain, pressure gauge, pressure relief valve and brass fittings. Kit comes with mounting hardware, 10 ft. of flexible high-pressure hose and 20 ft. coiled filler hose with quality brass fittings.