OO RTC Red/Blue Laboratory 20 21-Pin is a detailed model locomotive designed for realistic railway modelling and authentic scale operation in OO scale.
Featuring:
- Detail & Finish: Red and blue livery with laboratory markings and printed number 20 on the RTC locomotive body, plus finely moulded cab and chassis detailing.
- Drive & Performance: Smooth-running motor with all driving wheels powered for reliable traction on OO gauge track.
- Control & Compatibility: DCC-ready with 21-pin decoder interface
- Couplings & Integration: Standard OO gauge couplings for seamless integration with compatible rolling stock
Model Dimensions (Approximate):
- Scale: OO
Technical Specifications:
- Brand: RTC
- Model Type: Locomotive
- Assembly: Ready-to-run
- Included: OO scale RTC Laboratory 20 locomotive with 21-pin interface
Ideal for modellers building a detailed OO layout seeking a distinctive locomotive with DCC upgrade potential and accurate scale appearance.
Why this model matters
This RTC red and blue laboratory locomotive adds character and operational variety to OO scale layouts. The 21-pin interface allows easy installation of a DCC decoder for enhanced control, making it a versatile choice for both analogue and digital modellers.
How to use it
Place the locomotive on compatible OO gauge track. For DC operation, control speed and direction using a suitable analogue controller. For DCC control, install a compatible 21-pin decoder before use. Maintain clean wheels and track for smooth running, and check couplings for reliable operation. Store safely when not in use to preserve paint and detail.

