Spec K4 4-6-2 w/Sound Pre-War PRR #5442 HO (bac84404) Bachmann Model Train Locomotive Steam

Equipped with DCC On Board technology, which allows you to digitally control the direction, speed, and lighting of this locomotive using Bachmann's E-Z Command Digital Command Control System (bac44902), or any NMRA-compliant DCC system.
The decoder itself features the following: * 2 and 4 digit addresses * advanced consisting * dimmable lighting * settable acceleration, decleration, starting speed, and much more! 100% backwards-compatible with standard DC (non-digital) layouts.
Equipped with a 28-speed step decoder.
Main track programming.
Also equipped with a state-of-the-art Digital Sound Decoder that's based on SoundTraxx Tsunami Digital Sound Technology.
The decoder has been designed with a powerful Digital Signal Processor (DSP) and: * Supports extended address mode for assigning any locomotive number up to 9,999 * Supports advanced consist addressing * Supports "Operation Mode Programming," allowing CVs to be changed on the mainline without using a programming track The automatic dual mode decoder is set to operate immediately using either a 12 volt DC power pack or NMRA-compatible DCC command station.
Many advanced throttle features including: * Programmable acceleration, deceleration and starting voltage for prototypical starting and stopping * Use of standard and alternate speed tables The 16-bit sound processor provides: * Adjustable volume control of each sound effect individually * 1-watt audio amplifier * Auto-Exhaust allows chuff to be synchronized to the locomotive speed without the complexity of a synchronizing cam All of the steam sound effects have been re-mastered and re-digitized for the best audio possible: - Steam Exhaust Chuff - Airpump - Bell - Dynamo - Whistle - Water Stop - Short Whistle - Brake Squeal - Brake Release - Snifter Valve - Side Rod Clank - Cylinder Cocks - Firebox Blower - Johnson Bar/Power Reverser - Coupler Clank - Cylinder Blowdown (Hiss) The Dynamic Digital Exhaust modifies exhaust volume, cutoff and timbre as locomotive load changes.
Operating headlight.
Die cast trailing truck.
Blackened metal wheels with RP25 contours.
Wire boiler handrails, grab rails and coupler cut levers.
5-pole skew wound motor.
All-metal chassis and side rods.
E-Z Mate Mark II couplers with metal coil springs.
Exquisitely detailed tender with coal load.
Pre-war with slat pilot.
Painted engineer figures within the detailed cab.
Accurately molded plastic body shell prototypically painted black with multi-stripe pattern and crisp gold print: Pennsylvania, 5404.
Quick Start Guide and CD-ROM instructions for Bachmann DCC Sound-Equipped locomotives.
Dummy plugs also included with installation instructions.