Brio is the only merchandise line not to give Lady her headlamps.
On Diesel 10, a magnetized version of Pinchy is connected to his arm by a string. The arm is similar to that of a crane's arm, as it can move up, down, sideways and extend.
Splatter and Dodge have light grey wheels instead of black.
With an 0-4-2 wheel arrangement to be depicted with four wheels instead of six.
Whose cab entrance is not black, instead being blue with a black outline.
Oliver, Lady, Skarloey, Sir Handel, Peter Sam and Duncan all reuse Duke's smokebox moulding, which includes his unique stepped funnel base.
Henry, Gordon and Duke have a hook that connects them to their tenders, however Edward and James use magnets.
Edward, Henry, Gordon and James are the only engines not to have front couplings.
Toby and the diesel engines are the only engines to have front couplings the same size as their rear couplings.
In a Japanese advertisement, Toad is refered to as "ブレークバン" (Burēkuban) meaning "Brake van" and the Troublesome Truck is called "トラブルサム" (Toraburusamu) meaning "troublesome".
Cranky's toy was repurposed for the tower crane in the main Brio range (33320).