In August 1901, the case hardened receiver was changed to a blued version.

Also the head of the robot was changed to a more antropomorphic version with red eyes and a mouth piece.

During that period they also changed their old extreme metal logo to a more simplified version.

Several more teams changed from a single uniform to a light version and dark version.

The next improvement came along in 1965, when the frame was changed to a riveted version rather than a welded one.

Harry later changed the spelling of his last name to an earlier version, Huddleston.

The theme was changed to a more conventional version in the early nineties.

In 1879, the design was changed to a modified version of the Confederate "stars and bars" that eliminated the original seal.

In 2005 the Ultimate was dropped and all trim levels were changed to a version of Signature.

Later on, thanks to an improved alternator design, the fan was changed to an electric version for the 2003-2006 models.