Max, Monty, Percy, Byron and Isabela at the construction site
Max and Monty are two Devious and Troublesome Dumptruck Twins.
They are numbered 15 and 16.
Plot:
Max and Monty were reckless, rude, devious and troublesome. Despite this, They were being good hearted when they are sternly scolded by Miss Jenny.
Appearances:
- Season 7: Stanley, Whiff, and The Troublesome Dumptrucks
- Season 8: A Challenge for the Controller, parts 1 and 2
- Season 12: Greetings, Montague! (not named; do not speak)
- Season 15: Jock Beats the Clock (cameo), The Island Of Misfit Engines (cameo)
- Season 16: Sweet Sixteen (cameo), Luke Dukes It Out (cameo), Knock it Off, Stanley (cameo)
Specials:
- Saving Pirate Ryan (Max only; Monty cameo)
