1990 Tiffin Allegro 31 B, Inside this used RV for sale you'll find a double door refrigerator, a microwave, side sofa, and lounge chair. Other delights include a 31' long exterior with an attractive retro style! This Tiffin Allegro 31B is a 1990 model with a durable Onan generator and plenty of charm left. This stylish 1990 used Tiffin Allegro 31B Class A Gas motor home has a retro feel, while still being clean and comfortable. DASH TVDRIVERS SIDE DOOR, FULL SIZE SHOWER, GAS RANGE/OVENMICROWAVE2 DOOR REFRIGERATOR, MIDDLE DINETTESIDE SOFALOUNGE CHAIR, ONAN GENERATORSPARE TIRERETRO LOOK, QUEEN BED, JOHN DEERE CHASSIS