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The Willys F4-134 Hurricane was an inline-4 F-head piston engine that powered the M38A1 military Jeep in 1952, followed by the famous Jeep CJ in the CJ-3B, CJ-5, and CJ-6 models. It was also used in the Willys 473 and 475 pickups, wagons, and sedan deliveries.
The engine was developed by Willys' Chief Engineer, Delmar "Barney" Roos, and was the most powerful of the three prototype vehicles evaluated by the U.S. Army for production. [4] Roos took the "less than impressive" 48 hp (36 kW; 49 PS) automobile engine and increased its performance and durability. [ 5 ]
Series 4 cars used an 134.2 cu in (2.2 L) L-head I4 engine producing 68 hp (51 kW), and the Series 6 was powered by a 161 cu in (2.6 L) L-head I6 rated at 80 hp (60 kW), both built by Willys. A three-speed manual transmission was standard, with overdrive available for $104 extra.
The Lightning was a Willys straight-6 engine produced in the 1940s and 1950s. It was used in the Willys Jeep Station Wagon and other Jeep-based vehicles at the time. It was replaced with the Willys Super Hurricane engine.
The M274 evolved from improvements to a vehicle designed at the end of World War Two by Willys-Overland as a medical evacuation litter carrier from areas and terrain that would be a problem for the standard light vehicle of the period (the Jeep) to access. U.S. Patent 2457400 for the original design was applied for on December 2, 1944 and ...
For 1952, the model names Eagle, Wing and Ace were used for cars that had the six-cylinder F-head Hurricane engine and the Aero-Lark had the six-cylinder flathead Lightning engine. All 1952's had a two-piece split windshield. Eagles and Aces had a three-piece wraparound rear window, while the Larks and Wings had a smaller one-piece rear window.
The Willys Americar was a line of automobiles produced by Willys-Overland Motors from 1937 to 1942, either as a sedan, coupe, station wagon or pickup truck. The coupe version is a very popular hot rod choice, [ 1 ] either as a donor car or as a fiberglass model.
The system, called "Planadyne" by Willys, was similar in concept to the "planar" suspension Roos had developed for Studebaker in the mid-1930s. [ 10 ] In 1953 the U.S. military included the 4x4 station wagon models 463 and 473 as non (standard) classified 1/4-ton trucks under Standard Nomenclature List number G-740 in Technical Manual edition ...