This led to the invention of the Spread Axle Chassis with a spread of 109 in (2,769 mm) allowing for the same weight to be dispersed on the rear axles of the trailer (42,000 lb or 19,051 kg) as the tri-axle.
Malvern is a borough in Chester County, Pennsylvania, United States. It is twenty-five miles west of Philadelphia. The population was 2,998 at the 2010 census. The town is bordered by Paoli Pike on the south, Sugartown Road on the west, the Willistown Township on the east, and the East Whiteland Township on the north.
Harmony is a borough in Butler County, Pennsylvania, United States. The population was 890 at the 2010 census. It is located about 30 miles (48 km) north of Pittsburgh.