Decoders and Accessories

This motherboard is designed to replace the original lighting board in Atlas and Kato diesel locomotives. Included on this motherboard is a KA2 Keep Alive® for smooth operation over troublesome tracks. Pair with a WOW121 for unparalleled sound and...

This motherboard is designed to replace the original lighting board in Atlas and Kato diesel locomotives. Included with this motherboard is a KA4 Keep Alive® for smooth operation over troublesome tracks. Pair with a WOW121 for unparalleled sound and...

This motherboard is designed to replace the original lighting board in Atlas and Kato diesel locomotives. Included with this motherboard is a KA4 Keep Alive® for smooth operation over troublesome tracks. Pair with a WOW121 for unparalleled sound and...

This motherboard is specifically designed to replace the original lighting board in the Walthers Mainline GE ES44 "GEVo" diesel locomotive. Included on this motherboard is a KA2 Keep-Alive™ for smooth operation over troublesome tracks. Pair with a...

The IMD4 is a N-scale drop-in decoder which is designed for InterMountain locomotives. Examples include the following: InterMountain:SD40-2W See the installation pages for a full list of compatible engines! Back EMF Load Compensation:...

The K7D4 is a 4-function N-scale drop-in decoder designed to fit Kato locomotives. Examples include the following:Kato:ACS-64EMD SPD40FGe 4/4 II and III "Glacier Express"See the installation pages for a full list of compatible engines!Back EMF Load...

The K0D8 is a N-scale drop-in decoder for Kato locomotives. Examples include the following: Kato:E7A See the Installation Pages for a full list of compatible engines! Note: The K0D8 line of decoders are available with different lighting...

2 CV-Selectable Steam & Diesel Sound Schemes IncludedMobile Decoder with SoundFX v3Fits many HO locomotives21MTC interfaceMotor 1.0 Amp/2 Amps Peak8 FX3 Functions, 200ma OutputNew sound .spjs loadable with Digitrax USB programmer

This is a true 4 Amp (12 Amp peak) self contained decoder for S, O and large scale with connectorized wire harnesses. Functions supported: Headlight(s) plus seven additional function outputs. All function outputs have extended effects generators capable...

The A6X is six function HO-scale "drop-in" style mobile decoder with integrated 1.5V power supply for Atlas, Athearn, Kato, etc. locomotives. Examples include the following: Athearn:F59PHIF3Atlas:RS-1/RS-3/RS-11C424GP7Kato:GP35 Back EMF Load...

2 CV-Selectable Steam & Diesel Sound Schemes IncludedMobile Decoder with SoundFX v3Fits many HO locomotivesDigitrax 9-Pin HarnessMotor 1.0 Amp/2 Amps Peak6 FX3 Functions, 200ma OutputNew sound .spjs loadable with Digitrax USB programmer10-Pin sound...

The M1 is a small form factor hard-wire decoder with 2 lighting functions for HO-scale and N-scale installations. This decoder is designed for installations where space is limited. This decoder is also available with 8-pin NMRA plugs or Keep Alive®...

The MC4 is a 4-function HO and N scale hard-wire decoder with a 7 pin JST socket. The MC4 is designed for use in locomotives where a T-series or M-Series decoder is too large, and more than 2 lighting functions are needed. The MC4 is great for use in...

The A4X is four function HO-scale "drop-in" style mobile decoder for Atlas, Athearn, Kato, etc. locomotives. Examples include the following:Athearn:F59PHIF3Atlas:RS-1/RS-3/RS-11C424GP7Kato:GP35See the installation pages for a full list of compatible...

Zen Black Decoder. Midi-sized decoder with 8-pin harness. High Power. 6 Functions. Includes 1x ABC moduleZen decoder software has always been smooth, clever and easy to use but our new BLACK decoder range takes this to a new level, with extended and...

Replaces DN163A2Board Replacement Decoder for Atlas N Scale GP7, GP9 and GP15-1, GP30, GP35 and similar locosDecoder Lock equipped SpecificationsCurrent Rating-Motor: 1.5 Amp (2.0 Amps Peak)Size: 9.5mm x 98.3mm x 4.0mmInstallation: Board replacement...

Board Replacement Decoder for Marklin Mini Club 88455 and others. 1 Amp with 2 FX3 Functions.SpecificationsCurrent Rating-Motor 1.0 Amp/1.25 Amps PeakSize 0.421” x 2.357” x 0.087” (10.6934mm x 59.8678mm x 2.2098mm)

Board Replacement Decoder for Marklin Z 88584 and others.1 Amp with 2 FX3 Functions.SpecificationsCurrent Rating-Motor1.0 Amp/1.25 Amps PeakSize0.415” x 2.722” x .0108” (10.541mm x 69.1388mm x .27432mm)InstallationBoard Replacement (read more)Function...

DescriptionWorks on DCC or DC (limited operation on DC)Works with loco, accessory, or signal addressingBuilt-In Warm white LED (can be disabled)Up to 3 LEDs may be controlled separately 5v with 3 - 10mA outputsBuilt-in resistors - just connect...

This full featured, 2 function, Direct Plug decoder is designed to easily plug into a vast array of locomotives with 8Pin NMRA Sockets. The 8-Pin NMRA plug built directly into this decoder make installation a snap. Included is our auto-adjusting BEMF for...

This full featured, 2 function, Direct Plug decoder is designed to easily plug into a vast array of locomotives with 8Pin NMRA Sockets. The 8-Pin NMRA plug built directly into this decoder is rotated 90 degrees to allow for easy installation in many UK...

The A4X is four function HO-scale "drop-in" style mobile decoder for Atlas, Athearn, Kato, etc. locomotives. Examples include the following: Athearn:F59PHIF3Atlas:RS-1/RS-3/RS-11C424GP7Kato:GP35 See the installation pages for a full list...

Zen Black Decoder: 21 pin MTC and 8 pin connection. 6 full power functions. Includes 1x ABC module.Zen decoder software has always been smooth, clever and easy to use but our new BLACK decoder range takes this to a new level, with extended and improved...

Basic Quad Stationary Decoder for Slow Motion Turnout Machines, add cost effective DCC control to your slow motion turnouts. DS44 Features:No frills stationary decoder.Simple installation and set up.Control 4 slow motion turnout machines from your...

Board Replacement Decoder for American Z Line (AZL) GP-30 Diesels and others. 1 Amp with 2 FX3 Functions.SpecificationsCurrent Rating-Motor1.0 Amp/1.25 Amps PeakSize0.271” x 1.296” x .099” (6.8834mm x 32.9184mm x 25.146mm)

Z Scale Mobile DecoderDCC Board Replacement for AZL PA1 locomotive2 FX3 FunctionsTorque Compensation for smooth as silk silent operation.128 Speed Step operation (14 or 28 steps can also be used)Momentum with acceleration and decelerationNormal Direction...

Series 6 Features4 FX3 Functions.386” x .559” x .137”9.8mm x 14.2mm x 3.48mmFits Many N and HO Locomotives

Fits Many DCC-Ready Z, N and HO Scale Locomotives    Size: .55” x .4” x .148”    14mm x 10.23mm x 3.77mm    Z/N/HO Scale    1.0 Amp/1.5 Amps Peak    4 FX3 Functions, 0.5...

The MC2 is a 2-function HO and N scale hard-wire decoder with a 7 pin JST socket. The MC2 is designed for use in locomotives where a T-series or M-Series decoder is too large. This decoder may be hard-wired, but is also available with 8-pin NMRA plugs...

The DP2X-UK is a HO-Scale direct-plug decoder designed for engines equipped with 8-pin NMRA (NEM652) sockets. By far one of the easiest decoders to install, the DP2X-UK can be plugged into many locomotives with no effort. In contrast to the standard...

This full featured, 2 function, Direct Plug decoder fits the Life Like FA1 as well as other Life Like locomotives with a headlight and a seperate mars light. Included is our auto-adjusting BEMF for outstanding slow speed performance and hassle free set...

This motherboard is designed to replace the existing circuit board in a Walthers Proto 2000 Heritage 0-6-0 and 0-8-0. This board is designed to receive a WOW121 or EU621 decoder and provides an onboard Keep Alive® for uninterrupted performance over...

This motherboard is designed to replace the existing circuit board in a Bachmann Heavy 4-8-2. This board is designed to receive a WOW121 or EU621 decoder and provides an onboard Keep Alive® (KA2 style) for uninterrupted performance over troublesome...

This motherboard is designed to replace the existing circuit board in a Bachmann Baldwin 2-8-2. This board is designed to receive a WOW121 or EU621 decoder and provides an onboard Keep Alive® (KA2 style) for uninterrupted performance over troublesome...

This motherboard is designed to replace the original lighting board in Bachmann steam engines including the K4 steam. Included on this motherboard is a KA3 Keep Alive® for smooth operation over troublesome tracks. Pair with a WOW121 for unparalleled...

This motherboard is designed to replace the original lighting board in Bachmann steam engines including the 4-6-0. Included on this motherboard is a KA3 Keep Alive® for smooth operation over troublesome tracks. Pair with a WOW121 for unparalleled sound...

Digitrax Easy Connect 8 Pin Plug to 8 pin DCC medium plug Motor & Function Decoder that fits many N and HO Scale Locos.    Size: 0.87” x 0.4” x 0.2”    22.16mm x 10.28mm x 5.1mm    N...

TCS Keep-Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work.  Newly-redesigned at half the size of a KA3, the KA1 will power HO or N scale locomotives with...

TCS Keep-Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work.  Newly-redesigned at half the size of a KA4, the KA2 will power HO or N scale locomotives with...

TCS Keep-Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work. The WAUX-KA4 will power an HO-Scale locomotive with headlights on for approximately 6 to 20 seconds...

TCS Keep Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work. The WAX-KA3 will power an HO-Scale locomotive with headlights on for approximately 6 to 20 seconds...

Fits many 21MT equipped HO locomotivesDigitrax 21-pin MT socket1.0 Amp/2 Amps Peak8 FX7 Functions, 300ma Output

Fits many older Atlas N locomotivesMobile DecoderDrop in “A0” Atlas light board replacement decoder1.0 Amp/2 Amps Peak4 FX3 Functions, 200ma output

Board Replacement Decoder for Kato N-Scale Glacier Express1.5 Amp/2.0 Amps Peak Motor Current Rating6 FX3 Functions-500mA Function Current RatingSpecificationsCurrent Rating-Motor1.25

Board replacement Decoder for Kato N Scale MP36PH MetraSpecificationsCurrent Rating-Motor1.00 Amp (1.25 Amps Peak)Size0.411” x 2.351” x .061” (10.4394mm x 59.7154mm x 15.494mm)

Board Replacement Decoder for Walthers Proto GP20 and similar locosSpecificationsCurrent Rating-Motor1.00 Amp (1.25 Amps Peak)Size0.35” x 2.12” x 0.044” (8.89mm x 53.848mm x 11.176mm)InstallationBoard replacement decoderFunction Outputs6-500mA

Fits New InterMountain N Scale SD40-2 released 20171.5 Amp/2 Amp Peak6 FX3 Functions, 0.5 Amp.329” x 2.603” x .065”8.36mm x 66.11mm x 1.64mm

Features:This 2 function FX3 decoder is designed to fit MicroTrains Z scale GP-35 locos. 128 Speed Step operation (14 or 28 steps can also be used)Momentum with acceleration and deceleration.Normal Direction of Travel is user selectable.3 Step Speed...

Wired Motor & Function Decoder that fits many N and HO Scale Locos.    Size: .55” x .4” x .148”    14mm x 10.23mm x 3.77mm    Z/N/HO Scale    1.0 Amp/1.5 Amps Peak    4 FX3...

NCE 5240181 N14A3 N Scale DCC DecoderDirect plug in to Atlas N Scale GP39-2, Intermountain N Scale SD40-2, and other N Scale locomotives with similar frames.Features of this decoder:Silent RunningTM torque compensated motor driveTorque Compensation for...

Zen Blue+ Decoder: NEM651 6-Pin Direct – 2 FunctionZen decoder software has always been smooth, clever and easy to use but our new decoder range takes this to a new level, with simple-to-use ONE step locomotive set-up and advanced brown-out protection...

Fits many 8-pin Medium Socket DCC-Ready HO locomotivesDigitrax 9-Pin Socket and P-HarnessMedium Plug with approximately.3.2" wires1.0 Amp/2 Amps Peak8 FX7 Functions, 300ma Output

Fits many 8-pin Medium Socket DCC-Ready HO locomotivesDigitrax 9-Pin Socket and PS-HarnessMedium Plug with approximately.1.2" wires1.0 Amp/2 Amps Peak8 FX7 Functions, 300ma Output

Series 6 Features2 FX3 Functions.418” x .621” x .107”10.63mm x 15.79mm x 2.72mmFits MicroTrains Line SW1500 units

Fits many older Atlas N locomotivesMobile DecoderDrop in “A1” Atlas light board replacement decoder1.0 Amp/2 Amps Peak4 FX3 Functions, 200ma output

Fits many Kato N-locomotivesDrop-in light board replacement decoder for Kato “K1” form-factor boards1.0 Amp/2 Amps Peak4 FX3 Functions, 200ma outputReplaces both the DN163K1C & DN163K1D

Fits many Kato N-locomotivesDrop-in light board replacement decoder for Kato “K2” form-factor boards1.0 Amp/2 Amps Peak4 FX3 Functions, 200ma output

Features:Board replacement decoder for MicroTrains FT.Golden-White LEDs for added realismDecoder Lock equippedSpecificationsCurrent Rating-Motor1 Amp Continuous/1.5 Amp Peak RatingSize2.158” x .58” x 0.135” (54.8132mm x 14.732mm x 3.429mm)

Fits Intermountain N scale SD40T-2 / SD45T-26 FX3 Functions3.5” x .367” x .135” w/ LED88.9mm x 9.32mm x 3.42 mmReplaces DN163I0▪FX3 Function outputs for prototypical lighting effects and on/off control:     Constant Brightness Lighting...

For Intermountain N scale FT A units with motor contact "shoes"6 FX3 Functions.472” x 2.165” x .098”11.98mm x 54.99mm x 2.4 mmReplaces DN163I1A▪FX3 Function outputs for prototypical lighting effects and on/off control:     Constant...

For Intermountain N scale FT B units with motor contact "shoes"6 FX3 Functions.472” x 2.165” x .098”11.98mm x 54.99mm x 2.4 mmReplaces DN163I1B▪FX3 Function outputs for prototypical lighting effects and on/off control:     Constant...

For Intermountain N scale F3 and F7 A & B units with motor contact "shoes"6 FX3 Functions.472” x 2.165” x .098”11.98mm x 54.99mm x 2.4 mmReplaces DN163I1C▪FX3 Function outputs for prototypical lighting effects and on/off control:   ...

For InterMountain N Scale F7A & B units with wired motors produced after Jan 20146 FX3 Functions.472” x 2.165” x .098”11.98mm x 54.99mm x 2.4 mmNOTE: Will not fit in new Intermountain FP7Replaces DN163I1D▪FX3 Function outputs for prototypical...

For Intermountain N scale FP7A and FP9A with motor contact "shoes"6 FX3 Functions.472” x 2.165” x .098”11.98mm x 54.99mm x 2.4 mmReplaces DN163I2▪FX3 Function outputs for prototypical lighting effects and on/off control:     Constant...

Fits Intermountain N Scale FP7A with wired motors produced after Jan 2014 6 FX3 Functions 472” x 2.165” x .098” 11.98mm x 54.99mm x 2.4mm   ▪FX3 Function outputs for...

Fits many Kato N-locomotivesDrop-in light board replacement decoder for Kato “K0” form-factor boards1.0 Amp/2 Amps Peak6 FX3 Functions, 200ma output

Fits many Kato N-locomotivesDrop-in light board replacement decoder for Kato “K0” form-factor boards1.0 Amp/2 Amps Peak6 FX3 Functions, 200ma output

Fits many Kato N-locomotivesDrop-in light board replacement decoder for Kato “K0” form-factor boards1.0 Amp/2 Amps Peak6 FX3 Functions, 200ma output

Fits many Kato N-locomotivesDrop-in light board replacement decoder for Kato “K0” form-factor boards1.0 Amp/2 Amps Peak6 FX3 Functions, 200ma output

8 function decoder with 21 pin 'MTC' plug.Dimensions: 0.900 x 0.615 x .180 inches – 23 x 16 x 4.7 mmDirect plug in to locos equipped with NMRA 21 pin MTC (NEM651) plugFeatures of this decoder::Silent RunningTM,torque compensated motor driveTorque...

TCS Keep-Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work. The KA4-C will power an HO-Scale locomotive with headlights on for approximately 6 to 20 seconds (depending...

TCS Keep-Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work.The KA5 includes an additional fifth supercapacitor, increasing the maximum capacity and peak charging...

Mobile DecoderFits Next18 socket locomotivesPlug-in Next18 connectorMotor drive at connector capacity6 FX3 Functions

THOMAS & FRIENDS™ TERENCE THE TRACTOR. Terence is an orange crawler tractor who works near Thomas' Branch Line. He is owned by Farmer Finney. Bring your Thomas and Friends train layout to life with your favorite character accessories. Each accessory...

Zen decoder software has always been smooth, clever and easy to use but our new BLACK decoder range takes this to a new level, with extended and improved automatic braking and shuttle abilities, simple-to-use ONE step locomotive set-up and advanced...

Zen Blue+ Decoder: NEM651 6-Pin Direct & Harness. 2 FunctionZen decoder software has always been smooth, clever and easy to use but our new decoder range takes this to a new level, with simple-to-use ONE step locomotive set-up and advanced brown-out...

Fits many HO locomotivesDigitrax 9-Pin Harness Socket1.0 Amp/2 Amps Peak8 FX7 Functions, 300ma Output

Fits E24 socket locomotivesN-Scale Mobile Decoder13 FX3 Functions, 200mA capacityMotor drive at connector capacity

Fits Many DCC-Ready N and HO Scale LocomotivesSize: 1.158” x .386” x .115”29.43mm x 9.81mm x 2.98mmN Scale1.0 Amp/1.5 Amps PeakFX3 Function outputs for prototypical lighting effects and on/off control:Constant Brightness Lighting with directional or...

TCS Keep-Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work. The KA3-C will power an HO-Scale locomotive with headlights on for approximately 6 to 20 seconds (depending...

Essential details for today's railroads big and small are easy to model with the Modern Trackside Details Kit from SceneMaster! Based on equipment used all across North America, the HO set is a terrific value with parts to build:Two modern track-mounted...

HO-scale, 4-function decoder that measures 25 x 16 x 6mm with a 9-pin JST to 8-pin NMRA wiring harness that can be used in many DCC-ready models that have an NMRA 8-pin socket. This decoder will operate in both DC and DCC.Dimensions: 25 x 16 x 6mmMax...

The T4-LED has added Blue and Black/White wires for the use of a KeepAlive device. The T4-LED is a multi-purpose HO-scale decoder. This decoder may be hard-wired or plugged directly into any locomotive with a 9-pin JST plug. The on-board resistors on...

Z/N-scale, 2-function decoder that measures 13 x 9 x 3mm with an attached wire harness, or ‘squid cable,' for easy installation in some Z and most N-scale models. This decoder will operate in DCC only.Dimensions: 13 x 9 x 3mmMax. Motor Stall Current:...

Features:    Board replacement decoder for Atlas MP15 units    Golden-White LEDs for added realism    Decoder Lock equipped Don’t settle for a decoder without the latest features in your locomotive!Upgrade...

Fits Many Z, N and HO Locomotives with 6 Pin NEM 651 type plug    Size: .36” x .42” x .13”    9.05mm x 10.61mm x 2.67mm    N Scale    1.0 Amp/1.5 Amps Peak    2 FX3 Functions, 0.5...

All the great features and reliability of Digitrax decoders in a tiny package that will fit almost anywhere!0.55" x 0.28" x 0.128" (14 x 7.13 x 3.25 mm) Works with Z, N, and HO scale locos 1 Amp/1.25 Amps Peak Motor Current Rating Digitrax LocoMotion®...

Now its easy to add UPS(R) service to your HO layout with this exciting series of officially licensed replicas from Walthers that includes Cornerstone structure kits, SceneMaster vehicles and figures!

Zen Blue+ Decoder: 8 Pin NANO Direct – 4 FunctionZen decoder software has always been smooth, clever and easy to use but our new decoder range takes this to a new level, with super-advanced brown-out protection and nano size.All of our decoders are...

Zen Blue+ Decoder: 8 Pin NANO Wired 2 FunctionZen NANO 8 Pin Wired 2 Function w/Stay Alive connection.The ZN8H.nano is remarkably small! We started off with the world’s smallest, then shrunk it even more! With the same footprint as NANO 8-pin direct, we...

Zen Blue+ Decoder: Super-Small Next18 Direct Decoder – 4 FunctionZen decoder software has always been smooth, clever and easy to use but our new decoder range takes this to a new level, with super-advanced brown-out protection and nano size.All of our...

Features:DH165K1A fits many Kato HO Diesel Locomotives.Compatible with Digitrax Sound BugDecoder Lock equippedSpecificationsCurrent Rating-Motor1.25 Amp (2.0 Amps Peak)Size2.877” x .667” x .173” (73.07mm x 16.93mm x4.4mm)InstallationBoard...

Digitrax LocoMotion™ SystemYour locomotives look like the real thing. The Digitrax LocoMotion™ System makes them run like the real thing, too!Torque Compensation for smooth as silk silent operation.128 Speed Step operation (14 or 28 steps can also be...

NCE 5240178 Next18 DecoderDimensions: 0.595 x 0.390 – 15mm x 10mmDirect plug in to locos equipped with Next18 (NEM-662) socketFeatures of this decoder:Silent Running ,torque compensated motor driveTorque Compensation for ultra smooth low speed...

Features: Series 3 HO Plug ‘N Play Decoders with Integrated PlugCompatible with Sound Bug (Note this is not a plug n' play installation, wiring is required) Decoder Lock equipped SpecificationsCurrent Rating-Motor: 1.5 Amp (2.0 Amps Peak)Size: .67”...

Features:Series 3 Decoder for Proto 2000 Plug ‘N Play InstallationCompatible with Sound BugDecoder Lock equippedSpecificationsCurrent Rating-Motor1.5 Amp (2.0 Amps Peak)Size.67” x 1.05” x 0.25” (17.02mm x 26.67mm x 6.35mm)InstallationPlug ‘N Play for...

Features:DH165Q1 fits Atlas, Intermountain, LifeLike & Other factory sound-equipped HO Locomotives.Compatible with Digitrax Sound Bug.Decoder Lock equippedQSI-style PCB replacement Plug N’Play decoder-Allows replacement with new technology...

For use with Digitrax Decoders Equipped with 6 pin Function Harness8 ohm 16 x 26 x 9 mm box speaker includedKeeps locos running during intermittent power interruptions resulting from dirty or bad track.0.33 F CapacitanceUse on 10-18V Track PowerHold up...

For use with Digitrax Decoders Equipped with 6 pin Function Harness8 ohm 10x18 mm Oval speaker included.Keeps locos running during intermittent power interruptions resulting from dirty or bad track.0.33 F CapacitanceUse on 10-18V Track PowerHold up time...

Keeps locos & sound running during power interruptions caused by dirty or bad track. Hold up time varies based on decoder load & track conditions. Use with Digitrax Series 6 Decoders with 10 pin sound harnesses such as SDH166D...