Kelly is an elderly mobile crane who works for the Crotoonian Construction Company.
The eldest of the Sodor machines, Kelly is usually put in charge of some of the more dangerous work around the construction site, such as structures and lifting heavy and dangerous loads high up. He's willing to help anybody with anything, and gets along with just about everyone! He's a slower worker who knows that certain jobs on the site are NOT to be rushed and needs to be taken with the greatest of care.
Kelly is based on a Coles Vintage 1937 EMA 5 Austin K6 lorry.
Kelly is painted navy blue with red lining and a cream crane arm. His wheels are navy blue with red lining. He has the number "17" painted on his sides in cream.