The easy-tow Liberty II has all of the features of the Liberty I but is a tandem axle unit. The Liberty II can bear more weight, offering an additional array of available options. It also comes with four ASME cylinders instead two.
The easy-tow Liberty I is a totally enclosed single axle trailer that is well suited for mobile applications. It comes with two ASME storage cylinders and is capable of being towed by any vehicle rated for 6,000 pounds or more.
The Liberty Slip-In is a complete modular charging system that is designed for use in an existing or new truck or trailer.