---
product_id: 82713327
title: "GMC-UD Twin Track Panel Mounted Controller"
brand: "gaugemaster"
price: "56.07 OMR"
currency: OMR
in_stock: true
reviews_count: 13
category: "Gaugemaster"
url: https://www.desertcart.com.om/products/82713327-gmc-ud-twin-track-panel-mounted-controller
store_origin: OM
region: Oman
---

# Feedback control for consistent speed on gradients DPDT switch for seamless track switching Dual speed dials for 2 locomotives GMC-UD Twin Track Panel Mounted Controller

**Brand:** gaugemaster
**Price:** 56.07 OMR
**Availability:** ✅ In Stock

## Summary

> 🎛️ Master your model railway like a pro—control, precision, and smooth rides guaranteed!

## Quick Answers

- **What is this?** GMC-UD Twin Track Panel Mounted Controller by gaugemaster
- **How much does it cost?** 56.07 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/82713327-gmc-ud-twin-track-panel-mounted-controller)

## Best For

- gaugemaster enthusiasts

## Why This Product

- Trusted gaugemaster brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Educational Edge:** Boost numeracy and spatial awareness while mastering model train control—perfect for aspiring engineers aged 11+.
- • **Panel-Ready Design:** Sleek, compact build designed to mount flush in your control panel for a professional setup.
- • **Precision Twin Control:** Effortlessly manage two locomotives with independent speed dials for ultimate multitasking.
- • **Gradient Speed Stability:** Advanced feedback control keeps your trains cruising smoothly uphill and downhill—no slowdowns, no fuss.
- • **Plug-and-Play Simplicity:** No batteries or assembly needed—just connect and command your railway empire instantly.

## Overview

The Gaugemaster GMC-UD Twin Track Panel Mounted Controller is a compact, dual-locomotive speed controller featuring feedback technology to maintain consistent speeds on gradients. Designed for ages 11 and up, it mounts neatly into control panels and requires no batteries or assembly, making it an ideal tool for both hobbyists and young engineers developing numeracy and spatial skills.

## Description

Shop Gaugemaster GMC-UD Twin Track Panel Mounted Controller. Free delivery and returns on eligible orders of £20 or more.

Review: Highly recommended - Very cheap on desertcart to buy came very well packed very smooth operation with slow running. Perfect piece of kit for any model railway. Ease of use.
Review: Worjs great - Required a supply unit which would be helpful to know when buying

## Features

- Feature Feedback control which allows the locomotive to stay the same speed while going up and down gradients
- Controller has two rotating dials to control the speed of two locomotives and a DPDT switch
- Double track controller designed to sit inside a control panel

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 15 x 12 x 8 cm; 270 g |
| Manufacturer recommended age | 11 - 18 years |
| Item model number | GM-GMC-UD |
| Educational Objective(s) | Numeracy & Spacial Awareness |
| Language: | English |
| Number of Game Players | 1 |
| Assembly Required | No |
| Batteries Required? | No |
| Batteries included? | No |
| tech_spec_battery_description_toys | No batteries required |
| Material Type(s) | Plastic |
| Remote Control Included? | No |
| Colour | Multicolor |
| ASIN | B00D3KWKX4 |

## Images

![GMC-UD Twin Track Panel Mounted Controller - Image 1](https://m.media-amazon.com/images/I/61Muyxeb16L.jpg)

## Questions & Answers

**Q: At the rear of the ud gaugemaster controller which side does the two wires from the track go, ac or dc terminals**
A: output to the track is from the controlled DC terminals

**Q: Is this controller suitable for n gauge.**
A: You have a 16v and 12v outlet on the back the 16v is for the track, but you still need a transformer for it if you buy it, saying that mine works well and have no complaints, good luck.

**Q: I have hornby  2 track   and a standard  hornby  transformer  will this be any good**
A: May be worth giving Gaugemaster technical support a call.
Gaugemaster are at Ford Arundel if you are looking for phone number.

**Q: can you use one 16vac to supply both AC inputs on this unit?
Is there a supply for accessories ie points and turntable?**
A: I have a two  track layout so I use one outlet for each run , also I use one 12v outlet for my points and one 12v outlet to a  3 / 5v transformer for all my light etc, hope this may help.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Highly recommended
*by D***N on 19 March 2025*

Very cheap on Amazon to buy came very well packed very smooth operation with slow running. Perfect piece of kit for any model railway. Ease of use.

### ⭐⭐⭐⭐⭐ Worjs great
*by D***N on 8 January 2026*

Required a supply unit which would be helpful to know when buying

### ⭐⭐⭐⭐⭐ Great
*by #***E on 10 January 2021*

What an amazing controller. Saved myself the extra £40 by cutting off the end of two old hornby 16v ac transformers and wired them up. Obviously turn them off first. The slow crawl is better than anything I've ever in used. Would highly recommend!

## Frequently Bought Together

- Gaugemaster GMC-UD Twin Track Panel Mounted Controller
- Kato USA Model Train Products Unitrack, 282mm (11") Radius 45-Degree Curve Track (4-Piece)
- HO Code 100 9" Straight (6)

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**Shop now:** [https://www.desertcart.com.om/products/82713327-gmc-ud-twin-track-panel-mounted-controller](https://www.desertcart.com.om/products/82713327-gmc-ud-twin-track-panel-mounted-controller)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-01-22*