The 1975 Airstream Overlander is a classic travel trailer known for its iconic aluminum body and efficient design. Here are its "original" specifications: General Specifications Model: Airstream Overlander Year: 1975 Type: Travel Trailer Length: 27 ft Weight: Approximately 6,000 lbs (varies based on specific configurations and renovations) Sleeping Capacity: Sleeps 4 (typically accommodates two in a queen-sized bed and two in twin beds) Structural Features Construction: Hand-riveted monocoque shell made of heat-treated aluminum. Understructure: High-strength steel frame with patented airflow contoured shape for efficient towing. Axles: Features Dura-Torque torsion bar axles for improved ride quality. Utilities and Amenities Water System: 45-gallon freshwater tank with a marine pump. Heating: Propane gas space heater and a 10-gallon gas water heater. Kitchen: Equipped with a gas range, oven, and refrigerator (typically around 6 cubic feet). Electrical: 12-volt electric system and has a built-in electrical service line. Additional Specs Brakes: 12-volt electric brakes on all wheels. Exterior Width: Approximately 7 ft 8 in. Interior Height: About 6 ft 7 in. Ground Clearance: Ranges around 16 in, depending on the load. Notes The Airstream Overlander is recognized for its durability and timeless design, often appealing to collectors and enthusiasts alike. Models from this era may have undergone renovations, making specific features and conditions variable across different units Description from J.D. Power and Associates