Kenkimon

Kenkimon is an Armor Digivolution using the Digi-Egg of Friendship. He appears to be a fusion of various construction vehicles.

Digimon World DS
Kenkimon digivolves from Guardromon if it's holding the Digi-Egg of Friendship.

Digimon World Dawn and Dusk
Kenkimon digivolves from Armadillomon at level 24 with 3000 machine species exp. with the Digi-Egg of Friendship.

Digimon Story: Lost Evolution
Kenkimon digivolves from Armadillomon after the Digi-Egg of Friendship plate is set, and can digivolve into Machinedramon. It is obtainable by digivolution or degeneration only.

Attacks
 * Crazy Crane
 * Hyper Bulldozer