Willys-Overland built five Quad jeeps as pilot models for the Army design competition in late 1940, a very successful design with much better performance than the first Bantam or Ford Pygmy pilot submissions. The Vice President of Engineering at Willys-Overland was Delmar G. "Barney" Roos. He designed the Willys Quad engine and led the production team during the intense competition with Bantam and Ford for the Army contract. Two Quads were delivered to the Army at Camp Holabird, MD, one with four-wheel steering, on 13 November 1940.
The Quad looked a lot like the Bantam BRC-60 because the Army had provided Willys with Bantam's blueprints (on the basis that the design belonged to the U.S. Government). But the Willys 60hp "Go-Devil" engine, newly designed by Roos, made it more powerful than the competitors. The Quad was also too heavy by hundreds of pounds and a redesign was required.
Reducing the weight of the Quad led to the next evolution of the jeep, the Willys MA which borrowed many features from the Bantam and Ford designs. No Quads are known to have survived and even photos are rare.
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