Muck the Dump Truck
Color: Red
Gender: Male in UK, female in US version
Catchphrase: "Muck to the rescue!"
Voiced by: Rob Rackstraw (UK), Lorelei King, Lachele Carl, and Sophie Aldred (US)

Muck is a bulldozer with additional dumping bed. Muck often acts before thinking and subsequently gets in trouble for it.