OVERVIEW
Product Overview
The 2020 Tiffin Allegro Bus 37AP delivers the premium craftsmanship, innovative engineering, and luxury amenities that have made the Allegro Bus one of the most respected Class A motorhomes on the road. Built on Tiffin’s exclusive PowerGlide chassis and powered by a 450-horsepower Cummins diesel engine, the 37AP offers exceptional performance, smooth handling, and confident towing capability while maintaining a more manageable 38-foot footprint.
Inside, the 37AP features a spacious quad-slide floorplan that creates an open, residential-style living environment. Handcrafted hardwood cabinetry, polished porcelain tile flooring, solid-surface countertops, and premium furnishings showcase Tiffin’s renowned attention to detail. The inviting living area includes comfortable seating, a large entertainment center, and an electric fireplace, making it the perfect place to relax after a day of travel.
The gourmet kitchen is equipped with residential-grade appliances, including a large refrigerator, induction cooktop, convection microwave, dishwasher, and abundant cabinetry. Generous counter space and thoughtful storage make preparing meals on the road as convenient as it is at home.
The private master suite offers a king-size bed, spacious wardrobe, washer and dryer, and elegant finishes throughout. A large mid bathroom features dual sinks, a glass-enclosed shower, premium fixtures, and abundant storage.
Outside, the 2020 Allegro Bus 37AP features stunning full-body paint, Girard power awnings, pass-through basement storage with slide-out trays, hydraulic leveling, and premium exterior amenities designed for effortless travel. Built with Tiffin’s legendary quality and owner-focused engineering, this luxury diesel pusher is ready to deliver years of exceptional adventures.
The 2020 Tiffin Allegro Bus 37AP combines flagship luxury, outstanding diesel performance, and residential comfort in a coach that’s easy to drive and built to impress wherever the road leads.
FLOOR PLAN

SPECIFICATIONS
FEATURES
- Tiffin PowerGlide chassis
- Cummins ISL9 450 HP diesel engine
- Allison 3000 MH 6-speed transmission
- Independent front suspension
- Two-stage compression engine brake
- Side-mounted radiator cooling system
- Valid air-leveling system
- HWH hydraulic leveling jacks
- 15,000 lb towing capacity
- 150-gallon fuel capacity
- Hydronic heating and continuous hot water system
- Dual-zone heated porcelain tile flooring
- Three 15,000 BTU roof A/C units with heat pumps
- Onan 10.0kW Quiet Diesel generator
- Pure sine wave inverter
- Six house batteries
- Automatic generator start
- 10-inch Spyder touchscreen control system
- Heated water and holding-tank compartments
- Power-retractable 50-amp cord reel
- Memory foam king-size bed
- Stacked washer and dryer
- Residential stainless-steel refrigerator
- Two-burner induction cooktop
- Expand-an-Island galley extension
- Fireplace and mid-coach entertainment center
- Solid hardwood cabinetry
- Polished solid-surface countertops
- Girard power patio, window, and entrance awnings
- Digital instrument cluster with rear and side-view cameras












































