No, it's not a Merlin. Even though Packard produced Rolls-Royce Merlins under licence during the Second World War Two, the 4M-2500 is an altogether different kettle of fish. It was designed before ...

The V12 was built from two blocks of six cylinders, and was first offered on Packard's 1-25 and 1-35 chassis, stretching 125 inches and 135 inches long, respectively.

You may feel like a V12 is the height of engines, but Packard doubled that in the 1920s with a 24-cylinder beast. Here's the short but interesting story.

While this engine was under development, the Packard Company obtained an Army contract for a refined and enlarged version known as the 1500. This was superseded by the 2A-1500 which was built in ...

The first engine employing the new form of construction, the 268 kW (360 hp) Packard 1300 was built under a Navy contract. While this engine was under development, the Packard Company obtained an Army ...

JMS Racing Engines in El Monte, California, is rebuilding a rare flathead V-12 engine from a 1934 Packard Twelve.

The Hawker Hurricanes, Mustangs and other aircraft got the Packard-built version of the Rolls-Royce Merlin supercharged V12 -- the far better-known of the two wartime engines.

The 473 ci cast-iron V12 engine produced 175 hp, was fed by a dual Bendix Stromberg downdraft carburetor, featured a three-speed, column-mounted manual transmission with Synchromesh.

The Packard L-head V12 engine is also included in the sale and is mounted on a display stand. The listing does not mention the condition of its internal components.