VehiclesRedcat Racing MT-18UpgradesRear steering servo for four-wheel steering

Rear steering servo for four-wheel steering

Redcat Racing MT-18 · RER33539

This adds a rear steering servo so you can use the MT-18's selectable four-wheel steering. It lets you steer with the rear wheels as well as the front, using the rear-steering hardware already supplied with the truck.

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Parts & installation

Manufacturer documented

Vehicle: Redcat Racing MT-18RER33539
Position: rear
Change: Front-wheel steering to selectable four-wheel steering

Parts needed

Per MT-18 truck. One servo is sold individually.

Part	Qty
RER21791HX-M4K 4kg micro servo, one piece	1

Manufacturer-documented option for the specified vehicle configuration.

Installation notes

Fit one RER21791 HX-M4K rear steering servo using the rear-steering hardware supplied with the MT-18.
Center the servo, set its direction and adjust travel using the MT-18 instructions before operating four-wheel steering.
The MT-18 supplies the remaining rear-steering hardware. This is an MT-18 conversion, not a general Ascent-18 axle or radio recipe.

Sources

MT-18 maker description and four-wheel steering requirements

Product details, supplied components and stated application limits.

RER21791 HX-M4K manufacturer product and compatibility

Product details, supplied components and stated application limits.