In 1927, class leader N 110 was equipped with a two cylinder Franklin booster engine which drove the trailing truck axle.
James Edgeston, who lives two doors away from the destroyed duplex, said a truck axle with four wheels attached landed in his kitchen.
With financial backing from Torbensen's mother, the company was set to manufacture Torbensen's patented internal-gear truck axle.
A chunk the size of a truck axle landed in downtown Nacogdoches.
Shay experimented first with a chain drive from the engine through the floor to the truck axle.
That evidence, including the truck axle with its identifying number, led to the arrest of Timothy James McVeigh, who has been charged.
And in addition to its growing military and commercial electronics business, the company makes a variety of industrial products including truck axles and Goss printing presses.
There are heavy industries in the West who want to get out of the business of making truck axles.
Col. Willard F. Rockwell made his fortune with the invention and successful launch of a new bearing system for truck axles in 1919.
Rockwell built heavy-duty truck axles and drive-trains in the U.S. along with power windows, seats and locks.