Tamiya Tractor Truck Silver Aluminum Coupler Lock by JAZRIDER TTT-56505-04-S  [TTT-56505-04-S]

Aluminum coupler lock for tractor trucks

This JAZRIDER replacement coupler lock is an RC-scale accessory intended for use with Tamiya Tractor Truck models. Machined from silver aluminum, the part is designed to replace common plastic or stamped couplers and provide a firmer, longer-lasting connection point between tractor and trailer on scale rigs.

The component's role is focused: secure the trailer coupling, reduce play at the hitch interface, and support setup changes during chassis tuning. The description avoids claiming compatibility with specific chassis beyond the general Tractor Truck family; confirm fit on your model before installation.

Installation is straightforward for experienced hobbyists who inspect the mount points and match the factory hole pattern. The part fits into the existing coupling area and is intended to work within standard RC-scale coupling arrangements without modifying drivetrain or suspension components.