UT6D Duplex Radio Utility Throttle (UT6D)

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Digitrax: UT6D Duplex Radio Utility Throttle (UT6D)

Summary: Small throttle with display screen and infrared capability. Replaces the UT4D throttle. Requires UR90, UR91, or UR92 for infrared functionality. Requires UR92 or UR93 for radio functionality. Can access 2000 accessory decoder addresses. Very similar to the UT6 throttle, except adds duplex radio capabilities.

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Digitrax UT6.jpg
General information
Manufacturer Digitrax
MSRP 190.00 USD193.42 EUR <br />169.23 GBP <br />287.15 AUD <br />256.33 CAD <br />
Check Prices Latest Prices
Manufacturer Part Number DIG-UT6D
Common Name UT6D Duplex Radio Utility Throttle
UPC Number
Release information
Product URL Product Link
Manual URL Manual Link
Has computer interface None
Firmware Upgrade Possible Yes
Year Released 2020/10
Year EOL
Predecessor UT4D
Connection Details
Throttle Network
Throttle Connection Methods Infrared, Radio, Wired"Infrared, Radio, Wired" is not in the list (Infrared, Radio, Wired) of allowed values for the "Has Throttle Connection Methods" property.
Infrared Requirements UR90, UR91, UR92
Radio Requirements UR92, UR93
Power method Battery, Wired
Max Current
Display screen size 1.5
DCC Features
Number of instant throttle controls

How many trains can be controlled instantly with knobs

Can control stationary decoders Yes
Max Controllable Switches
Max Number of Controllable Functions 29


This throttle can operate wirelessly using infrared light in simplex mode, or duplex using radio. For infrared operations, a compatible infrared receiver such as the UR90, UR91, UR92 attached to the LocoNet throttle network is required. For duplex radio operations, a UR92 or 93 receiver is required. When operating wireless, the cord can be detached.

Among the many improvements over the UT4D throttle is how it's powered when operating wirelessly. Previous generations used a 9V battery, and no power switch. This version is powered by three AA cells, or an optional Digitrax BP600MH rechargeable battery. There is a power on/off switch, so no more flipping batteries around to save battery life.

The addition of the display screen additional features and better confirmation of status.

If radio operation is not required, see the UT6 lower-cost version. Radio is required for wireless operations outdoors as infrared will not work in sunlight.


  • Screen is 1.5" LCD
  • Numeric keys to quickly selecting locomotives or turnouts.
  • Access 29 decoder functions


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