For sale: 33ft. Double slide, allison trans. 350hp class a - gas / carthage, mo description: this 2003 Allegro 32ba has 47,ooo miles on a workhorse chassis, 350hp 8.1 vortec engine, clean & fresh in & out, slide out awnings, window awnings, 5500 onan marquis gold generator, convection microwave, newer fridge, 2 a/c's, good tires, sleeps 6 features: length feet: 33 engine make: chevrolet engine model: 8.1 vortec engine type: efi horsepower: 350 hp fuel type: gas transmission: allison chassis model: workhorse no. Of slide-outs: 2 no. Of air conditioners: 2 leveling jacks: 350 hp