Terex
Resistor box for Terex BT4792
This resistor box is designed for the electrical system of the Terex BT4792 crane. It serves as a housing for internal electrical resistors that regulate current flow and control voltage parameters within the machine circuitry.
Parts diagram
Compatible models
Specifications
- Part number
- T121671
- Brand
- Terex
The resistor box, part number T121671, is an electrical component integrated into the installation subsystem of the Terex BT4792 crane. Its primary function is to house and protect a set of electrical resistors that manage current flow and control specific electrical parameters such as voltage and motor speed. By dissipating excess energy as heat, these resistors support functions like dynamic braking and the protection of sensitive electronic components from electrical overloads.
This component is specifically configured for the Terex BT4792 model. It ensures that electrical circuits operate within their designed parameters, maintaining the intended performance of the crane's motors and actuators. The enclosure provides a protective environment for the internal resistor bank, shielding the circuitry from external environmental factors found in industrial work sites.
Resistor boxes are used in heavy machinery to manage electrical loads and regulate the operation of motors and control systems. They are typically found in circuits where precise control of current or voltage is required to ensure the safe and efficient movement of machine components.

