Embraer Regional Jet; How many passengers can an ERJ 170 carry? ERJ 170 has a maximum capacity of 80 passengers. The Embraer 170 is a narrow-body, twin-engine jet airliner manufactured by Embraer, a Brazilian aerospace company. The aircraft is a low wing design with engines mounted below the wings. The wings of the Embraer 170 are fitted with winglets, which reduces the drag and provides increased lift and improved efficiency. Length; 29.9m. Wingspan; 26.0m. Height; 9.67m. Engines; 2× General Electric CF34-8E turbofans. Maximum speed; 890km/h. Range; 3,334km.