In addition to its principal business, the company also has a parts division, a financial services segment, and manufactures and markets industrial winches.

The company built a new factory in Renton in 1909 after its Duwamish facility was destroyed in fire as well as to fulfill large number of orders.

The following years the company specialized in designing air brakes, open cars, refrigerated boxcars for shipment of perishable items and the universal trailer which could be pulled by a truck.

[13] During the late 1930s, Pacific Car and Foundry received government contracts for steel fabrication for construction of Lacey V. Murrow Memorial Bridge as well as orders from other companies.

[10] Everett-Pacific Shipbuilding & Dry Dock Company was established in 1942 that built ships and other marine products for the US Navy in Port Gardner Bay in Everett.

[15] After World War II ended, Pacific Car was a part of the federal government's Mobilization Planning Program, which meant that it promised to devote 100 percent of its facilities to military production in the event of a national emergency.

Named after founding stockholders Harry Kent and Edgar Worthington, Kenworth had been producing trucks in Seattle since it was incorporated in 1923.

During World War II, Kenworth produced trucks, airplane assemblies and sub-assemblies for the United States military.

The firm provided 5,668 steel panels, weighing 58,000 tons, which formed a major part of the load bearing walls for New York City's World Trade Center twin towers.

[8][22][23][24] In 1970 PACCAR created an overseas manufacturing facility at Bayswater, Melbourne, Australia, producing Kenworth Trucks to serve the growing developing local and Southeast Asian Markets, which still trade strongly today.

The first completed locally built truck rolled off the production line in March 1971, and Australian made vehicle exports commenced in 1975.

The tech center conducts an Open House event every April that coincides with the Skagit Valley Tulip Festival.

[40] PACCAR acquired Trico Industries in 1986 which was a manufacturer of oil exploration equipment based in Gardena, California, for $65 million in order to reduce its dependence on the Class 8 Truck market.

In the same year, PACCAR purchased a 21 percent stake in Wood Group ESP which added to its oil field equipment manufacturing.

[54] In 1996, the company spent $543 million to acquire DAF Trucks N.V. based in the Netherlands, an acquisition it first pursued back in the mid-1980s.