2014 Keystone Raptor 31DS (often listed as model M-31 DS) is a travel trailer toy hauler designed for high-capacity hauling and residential-style comfort. 
Core Specifications

• Length: 35' 6"
• Dry Weight (Base): 8,804 lbs
• Carrying Capacity: 4,196 lbs
• Hitch Weight: 1,215 lbs
• Garage Length: 10 feet
• Sleeping Capacity: Up to 8 people 

Key Features

• Garage & Loading: Features a rear ramp door that leads to double electric bunk beds in the cargo area. It includes a 30-gallon fuel stationto keep your equipment running.
• Interior Layout: Designed with a single slide-out that houses a sofa with a dinette table. The kitchen is equipped with a three-burner range, a refrigerator, and a double sink.
• Climate Control: Comes standard with a 15,000 BTU ducted air conditioner and a 35,000 BTU heater.