There's no engine mount to assemble because the engine is friction fitted snuggly into the body tube

GR01 Motor Plate & Gear Set: GOM

for all older T-Maxx use Hot Racing STMX3272T For 4x4 Slash

all-metal construction and attractive black finish with logo

or when drifting

Team Associated - Sendero Utility Truck Bed from Enduro KYO34433T1 There's no engine mount toThe Sendero Utility Bed features a simple design that is easy to assemble and fits right onto the stock Sendero body posts. Constructed of plastic and high strength polycarbonate, the Sendero Utility Bed is both lightweight and durable. Features: 5 piece construction Clear Polycarbonate floor All hardware included Fits Sendero body