2007 Tiffin Allegro Bus 40QSP, 2007 Tiffin Allegro Bus 40QSP 40' Diesel Pusher 4 Slides Cummins 400HP! If you re looking for a high-end diesel pusher with legendary Tiffin build quality, this 2007 Allegro Bus 40QSP is the one to see. Spacious 4-slide layout, powerful Cummins engine, and luxury features throughout. Perfect for long trips, snowbirding, or full-time RV living. ?? Key Specs 2007 Allegro Bus 40QSP
Length: 40 ft
Engine: Cummins ISL 8.9L 400 HP
Chassis: Freightliner
Transmission: Allison 6-speed
Fuel Type: Diesel
Slides: 4
GVWR: 34,320 lbs
Towing Capacity: 10,000 lbs
Fresh Water: 90 gal
Gray Water: 70 gal
Black Water: 46 gal
Propane: 35 gal
Aqua-Hot
Solar
??? Interior Features
Huge quad-slide layout with tons of living space
Premium Tiffin cabinetry and solid-surface countertops