D2991 is a 'haughty', two-faced diesel engine from the mainland.
Not much is known about him apart from him having two faces. He is red with pink hazard stripes and both lengths of each articulated parts are not even. He hasn't been seen on Sodor for more than 78 years.
- He is based on a 2010 Take 'n' Play Salty with minor modifications.
- He is currently in possession of Percythegreenengine.
- He works with D4871.
- He was cut of from the 'Lapandsap' Series.