The Tamiya 56545 Actuator Set adds dependable, scale-accurate dumping movement to your Mercedes-Benz Arocs 3348 Dump Truck and other compatible 1/14 scale tippers. It is aimed at hobbyists who want repeatable, smooth bed motion for display runs and working layouts.
The core component is the ACU-01 Unit, a compact actuator that uses a geared Type 280 motor with a 64:1 ratio to produce controlled lift and lower cycles. It is designed to work with a 4-channel transmitter, for example Tamiya's 4ch Attack 2.4GHz system, so you get intuitive remote control of the dump action.
Limit switches protect the mechanism from over travel, helping prevent damage during operation. Note that this actuator shares the same R/C channel as the Motorized Support Legs (Item 56505) and cannot be used at the same time. It does, however, integrate with common ESC setups and Tamiya multi-function controllers like MFC-01 and MFC-03.
Whether you are fitting your first upgrade or refining a show model, this actuator set improves realism and functionality for Tamiya 1/14 scale dump truck builds. Installation and tuning let you match tipping speed and travel to your setup for convincing operation.
The Tamiya 56545 Actuator Set is a practical upgrade for modelers wanting authentic dump truck operation, combining durable engineering with straightforward compatibility for 1/14 scale tippers.
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