Need a air tank and compressor too, to put them on the Suburban. On my Allegro (class A I owned before upgrading) I put a 7 gallon air tank from Walmart. Then I bought a Viarre (spelling?) 12v air compressor from ebay. It's the kind they use on those low riders I think. It was probably a bit overkill but I wanted to also use it to air up the 100psi tires. Plumbed the compressor into the tank. Then put a nice pair of Hadley air horns in with a electric over air solonoid, wired to the original electric horn. Worked great. Sounded like a cruise ship. When I blow out the train horns I might go back to some deep Hadleys for a change.
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'03 Freightliner FL112, 295" wheel base, with '03 United Specialties 26' living quarters, single screw, Cat C12 430 h/p 1650 torque, Eaton 10speed , 3.42 rear axle ratio
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