Pierce-Arrow Model 48 Dual-Valve 4-Passenger Roadster

In contrast to Peerless and Packard, which introduced their new V-8 and “Twin Six” V-12 engines in 1916, Pierce-Arrow held firm to its line of powerful, large-displacement sixes through 1927. In particular, Pierce’s hallmark for many years was its T-head engine layout, produced in several sizes; for most of the teen years, they were available in 38-, 48- and 66-horsepower variants. In 1918, the 38 and 66 were both discontinued and the 48 was redesigned with sophisticated dual-valve cylinder heads providing high efficiency with four valves per cylinder.

This car was auctioned off by RM Auctions in January of 2012 at the Arizona Biltmore Resort & Spa, Phoenix, Arizona.

48 hp, 524 cu. in. dual-valve T-Head six-cylinder engine, four-speed selective sliding-gear manual transmission, I-beam front axle with semi-elliptic leaf springs, semi-floating rear axle with three-quarter elliptic leaf springs, and rear-wheel mechanical drum brakes. Wheelbase: 142".

Source: RM Auctions
Photo Credit: Copyright Yana Shevchenko

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