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.
Mount Pleasant is a borough in Westmoreland County, Pennsylvania, in the United States. It stands 45 miles (72 km) southeast of Pittsburgh. As of the 2010 census, the borough population was 4,454. The Borough of Mount Pleasant, consisting of the town area, should not be confused with Mount Pleasant Township, which is an entirely separate municipality. Mount Pleasant Township is predominantly rural and adjoins the borough to the north. In the past, Mount Pleasant was a center of an extensive coke-making industry.