Bachmann Streamlined K4 Resources

The new streamlined version of the K4 4-6-2 includes a TCS WOWSound® CD-Quality 16-bit 44,100Hz decoder with Audio Assist® for easy configuration without programming CVs as well as a Keep-Alive® device for uninterrupted operation, even over dirty track. It features a WOWSound® steam locomotive sound package that includes bell, whistle, blow down, cylinder cocks, water fill, coupler close/release, brake release and application, momentum, grade crossing quill, departing and arriving station announcements, and more.

Bachmann Streamlined K4 Product Literature Download

Link to the "Quick Start Guide" product literature included with the Streamlined K4 models.

TCS Comprehensive Programming Guide Download

The Comprehensive Programming Guide contains all the information we could fit into one document regarding CVs and decoder configuration. Learn how to modify everything from decoder addresses and lighting features, remap functions, establish user presets, set speed curves, control momentum, and program CVs unique to WOWSound decoders. Download the Comprehensive Programming Guide (PDF document, 713KB.)

WOWSound Steam K4 Programming Guide V4 Download

This manual covers the setup and configuration of the sound components of the Version 4 WOWSound Steam decoder. This guide contains details for steam-specific sounds and functions. All general NMRA, lighting, and motor control programming options are covered in the TCS Comprehensive Programming Guide above. Download the WOWSteam Guide (PDF document, 830KB). 

Bachmann Trains Warranty Program Visit

Follow the link above to learn more about the Bachmann factory warranty on your Streamlined K4 model or fill out a repair request.