Wolo (837) Cannon Ball Express Truck Horn - 12 Volt Electric Solenoid Operated

Will give any 12-volt truck the powerful sound of a train air horn

Perfect choice when a truck owner demands an ultra-powerful horn

Constructed of all metal with three triple chrome plated trumpets

Requires an on-board air system

Horn comes with all required mounting hardware, 10 foot length of 1/4 inch nylon high pressure hose and a heavy-duty 12-volt electric solenoid valve

The Wolo 837 is the perfect choice when a truck owner demands an ultra-powerful horn. Gives any 12-volt truck a true train horn sound. Constructed of all metal with three (3) triple chrome plated trumpets. The horn's base is painted steel. The Cannon Ball Express 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 12-volt electric solenoid valve. The Cannon Ball Express requires an on-board air system (recommended Wolo on-board air system is Model 840).
Brand: Wolo, Model: 837