2017 Thor Gemini 23TB, Length 23.5 ft. Width 7.5 ft. Height 10.42 ft. Interior Height 6.67 ft. (80 in.) Fresh Water Tank Capacity 31 gal. Gray Water Tank Capacity 37 gal. Black Water Tank Capacity 20 gal. Ford Transit Chassis 3.2L I-5 Power Stroke Turbo Diesel, 185HP & 350 lb-ft Torque Lane-Keeping System Onan RV QG 3600 LP Generator 30-amp Shoreline Power Cord Automatic Shoreline-to-Generator ...