Mobile / Universal

The Digitrax SDXH187MT is the perfect addition to your HO scale model trains. With its Series 7 Sound Decoder, this product provides realistic and high-quality sound experience. Being an industry leader, Digitrax guarantees superior performance and compatibility for your model trains. 8 CV-Selectable Steam & Diesel Sound Schemes Included Mobile Decoder with SoundFX v3 Fits many HO locomotives 21MTC interface Motor 1.0 Amp/2 Amps Peak 8 FX3 Functions, 200ma Output New sound .spjs loadable with Digitrax USB programmer More Information Item # SDXH187MT Brand Digitrax Scale HO Scale MSRP $65.00 TCA Grading C-10 Mint - Brand New Availability In-Stock/Restockable Manuals Instruction Sheet

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While LokPilot 5 decoders can undoubtedly meet all imaginable requirements of even the most demanding experts, many model railway eras are looking for a robust, high-quality DCC decoder for your standard requirements, which should also be affordable. The LokPilot 5 Basic was developed with the aim of offering a modern decoder with a reasonable range of functions at a reasonable price. The LokPilot 5 Basic comes in two versions: In addition to a version with an 8-pin NEM interface, a version with 21MTC interface is also available. This makes the LokPilot 5 Basic particularly suitable for use in track H0 vehicles. Modes The LokPilot 5 Basic is a "pure-bred" DCC decoder. 14 to 128 driving steps are as self-evident as 2- and 4-digit addresses. Up to 20 functions can be triggered. Thanks to RailComPlus®, the decoders log in fully automatically to a suitable digital center. It masters all DCC programming modes and thanks to RailCom® the CV values can be read out on the main track with suitable control panels. Auxiliary registers exist for control panels that can only program the CVs from 1-255. The LokPilot 5 Basic Decoder detects the Märklin® brake distances as well as the Lenz® ABC system. Braking with DCC brake blocks or dc voltage is also possible.The LokPilot 5 Basic Decoder can be used on analog DC webs. The maximum speed can be set separately.The decoder switches "on-the-fly" fully automatically between operating modes. Most of the time, nothing needs to be adjusted. Functions The LokPilot 5 Basic has 4 reinforced function outputs in each version. In the 21MTC interface, there are 8 logic-level outputs at the interface, two of which are also suitable for controlling servos. All important lighting functions are available. The brightness of each output can be set separately. Motor The motor control of the LokPilot 5 Basic delivers up to 0.9A continuous current. A variable PWM clock frequency from 10kHz to 50kHz ensures super-quiet operation, especially for bell anchor motors – The typical "hum" is a thing of the past. The load control can be adapted to difficult cases with up to 10 CVs. The unique "Autotune" function allows the decoder to be automatically measured against the motor. Operational reliability On request, a PowerPack can be connected to the LokPilot 5 Basic to bridge dirty rail cuts. Protection Of course, all function outputs as well as the motor output are protected against overload. We want you to enjoy your decoder for as long as possible. More Information Item # 59020 Brand ESU LLC Scale HO MSRP $29.90 WARNING: This product can expose you to a chemical, which is known to the State of California to cause Cancer and Reproductive Harm - For more information go to www.P65Warnings.ca.gov

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The Digitrax DH187A0 is a drop-in light board replacement for HO locomotives - you unscrew the factory DC light board and this Series 7 decoder takes its place, keeping the original lighting positions. It is the standard fit for many Kato, Athearn Genesis and Stewart models, and it brings eight FX7 function outputs at 300mA, far more lighting capability than a two-function decoder. Building a DCC fleet? Browse our DCC Decoders, DCC Speakers, and DCC Accessories. Features Drop-in light board replacement - swaps for the factory DC board in many Kato, Athearn Genesis, Stewart and similar HO locomotives. No harness to route. 8 FX7 function outputs at 300mA - enough for headlights, ditch lights, number boards, cab light and class lights, with prototypical effects on each. 1.0 amp continuous, 2.0 amps peak - ample for single-motor HO diesels. Series 7 platform with back-EMF speed stabilisation for steady low-speed control. Standard NMRA DCC - runs and programs on any DCC system, not just Digitrax. More Information Brand Digitrax Item Number DH187A0 Product Type DCC Mobile Decoder (Drop-In Board) Scale HO Motor Current 1.0 A continuous / 2.0 A peak Function Outputs 8 x FX7, 300 mA Connection Direct board replacement Series Digitrax Series 7 Sound No - motor and function decoder only Condition New FAQ How do I know it will fit my locomotive?Drop-in boards are shape-specific. Pull the shell and compare the factory board footprint, mounting clips and light positions against the DH187A0. It is the usual fit for many Kato, Athearn Genesis and Stewart HO diesels, but check yours before ordering - if it does not match, a wired decoder such as the DH127D is the fallback. Why choose a drop-in board over a plug-in decoder?No harness and no wire to hide, and the lighting stays where the manufacturer put it. On models where the light board also carries the motor contacts, a drop-in is usually the cleanest install you can do. What can I do with eight function outputs?Headlight and rear headlight, ditch lights that alternate with the horn, number boards, cab light, class lights - each output can be assigned its own effect and dimming via CV settings. Does it have sound?No. This is a motor and function decoder. For sound in HO, look at a Digitrax SDXH series decoder or a SoundTraxx unit, plus a speaker.

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Maximize your model railway's efficiency with the Digitrax DHDP DC dummy plugs. This pack of 5 dummy plugs are specifically designed for HO scale models, improving performance and ensuring reliable operation. Experience seamless connectivity and enhanced functionality with the Digitrax DHDP. Lets you run locos as DC or DCC For DC only operation use the dummy plug with either DHWH or DHWHPS For DCC operation remove the DNDP and replace with a decoder 5-Pack More Information Item # DHDP  Brand Digitrax  MSRP $22.00 TCA Grading C-10 Mint - Brand New Availability In-Stock/Restockable Manuals Instruction Sheet, Specification Sheet, Decoder Manual V1, Decoder Manual V2 (01/2014)

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The TCS A4X is a four-function HO-scale "drop-in" DCC mobile decoder for popular Atlas, Athearn, and Kato diesels — a clean, no-solder upgrade on supported models. Examples include the Athearn F59PHI and F3; Atlas RS-1, RS-3, RS-11, C424, and GP7; and the Kato GP35. If you need more than four functions or plan to run 1.5V bulbs, step up to the A6X. Browse more DCC Decoders and DCC Accessories, or shop the full Train Control Systems lineup. Features Four-function HO drop-in mobile decoder for supported Atlas, Athearn, and Kato diesels. Back-EMF load compensation for superior slow-speed control under load. Quiet Drive super-quiet motor control for buzz-free running. No-solder installation on supported drop-in locomotives. Step up to the A6X for six functions or 1.5V bulbs. More Information Brand Train Control Systems (TCS) Item Number 1000 (A4X) Type DCC Mobile Decoder (drop-in) Functions 4 Fits Many Atlas / Athearn / Kato HO diesels Scale HO Scale Condition New FAQ Will it fit my locomotive?The A4X drops into many Atlas, Athearn, and Kato HO diesels (for example Athearn F59PHI/F3; Atlas RS-1/RS-3/RS-11/C424/GP7; Kato GP35). Check the TCS drop-in chart for your model. Does it include sound?No — it is a motor and function (mobile) decoder. For sound, see the TCS WOW series. A4X or A6X?The A4X covers four-function installs; choose the A6X if you need six functions or the 1.5V bulb supply.

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The Train Control Systems KA1 Keep-Alive® is a compact stay-alive capacitor pack that feeds backup power to your DCC decoder whenever the wheels lose contact with the rails. No more stalling on dirty track, dead frogs, or insulated turnouts. The KA1 comes in at about half the size of a KA3 and delivers roughly one-third the capacitance of a KA3/KA4, making it a great choice where space is tight in N and smaller HO locomotives. It includes Blue and Black-with-White-stripe lead wires to solder to your decoder's keep-alive pads (V+ and ground), so it works with TCS and most other-brand decoders that accept an external keep-alive. Browse more decoder add-ons in our DCC Accessories collection, shop the full Train Control Systems lineup, or pair it with a new sound decoder from our DCC Decoders collection. Features Keep-Alive® stay-alive capacitor pack eliminates stalling on dirty track, dead frogs, and insulated rail joints. Compact — about half the size of a KA3; delivers roughly one-third the capacitance of a KA3/KA4. Includes Blue and Black/White lead wires to solder to your decoder's keep-alive pads — works with TCS and most other-brand decoders. Dimensions: 1.063" x 0.35" x 0.244" (27 x 8.9 x 6.2 mm). Input rating 12–16V; works with any scale and any DCC system. More Information Brand Train Control Systems (TCS) Item Number 1454 (KA1) Type Keep-Alive / Stay-Alive Capacitor Pack Connection Blue + Black/White Wire Leads (solder-on) Dimensions 1.063" x 0.35" x 0.244" (27 x 8.9 x 6.2 mm) Input Rating 12–16V Scale Any Scale Condition New FAQ What does a Keep-Alive actually do?It stores an electrical charge and feeds it to your decoder when track power drops out, so the locomotive keeps moving and its lights and sound stay on across dirty track, frogs, and gaps. How do I connect the KA1?Solder the Blue wire to your decoder's keep-alive positive (V+) pad and the Black/White wire to the ground pad. It works with TCS decoders and most other brands that offer keep-alive connections — check your decoder's manual for the correct pads. Why choose the KA1 over a larger KA3/KA4?It's much smaller and fits where bigger packs won't — ideal for N scale and cramped HO shells. It holds less charge, so for longer run-through use a KA3 or KA4 if you have the room.

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The Digitrax DO487 is the heavy hauler of the mobile decoder range: four amps continuous and five amps peak, wired rather than plugged, for the large-scale and O scale locomotives that will cook an ordinary HO decoder. Eight FX3 function outputs at 300mA give you the lighting capacity to match, and because it is a wired decoder it goes into anything you can solder to. Building a DCC fleet? Browse our DCC Decoders, DCC Speakers, and DCC Accessories. Features 4.0 amps continuous, 5.0 amps peak - built for large-scale and O scale mechanisms, dual-motor drives and older high-draw motors. 8 FX3 function outputs at 300mA for headlights, marker lights, cab lighting, smoke units and other accessories. Wired installation - no socket required, so it suits scratch installs, brass models and repowered older locomotives. Suits HO, S, O and G scale where the current draw justifies it. Standard NMRA DCC - runs and programs on any DCC system, not just Digitrax. More Information Brand Digitrax Item Number DO487 Product Type DCC Mobile Decoder (High Capacity) Scale HO, S, O, G Motor Current 4.0 A continuous / 5.0 A peak Function Outputs 8 x FX3, 300 mA Connection Wired - no plug fitted Sound No - motor and function decoder only Condition New FAQ Do I actually need a 4 amp decoder?Only if the locomotive draws it. Measure stall current on DC before deciding - a typical single-motor HO diesel pulls well under an amp and is fine on a 1 amp decoder. Reach for the DO487 when you have a large-scale mechanism, twin motors, or an older open-frame motor. Will it fit in the locomotive?It is a physically larger board than an HO decoder, which is rarely a problem in O or G scale. In HO it is worth measuring the available space in the shell or tender before ordering. Does it have sound?No. The DO487 is a motor and function decoder. Pair it with a separate sound decoder, or choose a high-current sound decoder instead, if you want audio. How do I wire it in?Track pickups to the red and black leads, motor to orange and grey, and function outputs to your lighting. Isolate the motor completely from the frame before you connect anything - a motor still grounded to the chassis is the most common way to destroy a decoder.

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The Digitrax DH127PS is the short-harness version of the Series 7 HO decoder: the same 9-pin decoder wired to an 8-pin NMRA medium plug on roughly 1.2 inches of wire. That short lead is the whole point. In a tight shell where the socket sits exactly where the decoder needs to live, the longer harness just becomes wire you have to hide. Building a DCC fleet? Browse our DCC Decoders, DCC Speakers, and DCC Accessories. Features 8-pin NMRA medium plug on a short 1.2 in. harness - built for tight installs where there is nowhere to stuff excess wire. 1.0 amp continuous, 2.0 amps peak - ample for single-motor HO diesels and steam. 2 FX7 function outputs at 200mA for directional headlights plus effects such as Mars light, ditch lights, rotary beacon and flicker. Series 7 platform with back-EMF speed stabilisation, so slow switching moves stay smooth and controlled. Plug-and-play on any DCC-ready HO locomotive with an 8-pin socket - no soldering. More Information Brand Digitrax Item Number DH127PS Product Type DCC Mobile Decoder Scale HO Motor Current 1.0 A continuous / 2.0 A peak Function Outputs 2 x FX7, 200 mA Connection 9-pin socket with PS-harness, 8-pin medium plug Harness Length Approx. 1.2 in. Series Digitrax Series 7 Sound No - motor and function decoder only Condition New FAQ DH127PS or DH127P - which one do I want?Same decoder, different harness length. The PS has about 1.2 in. of wire for cramped installs; the P has about 3.2 in., which routes more easily in a roomy diesel hood. If you are unsure, the longer one is more forgiving - you can always coil the slack. Will it fit my locomotive?If the loco is DCC-ready with an 8-pin NMRA socket, yes. Remove the dummy plug, keep it somewhere safe in case you ever sell the loco as DC, and seat the decoder plug with pin 1 to the marked corner. Does it have sound?No. This is a motor and function decoder. For sound in HO, look at a Digitrax SDXH series decoder or a SoundTraxx unit, plus a speaker. Do I need a Digitrax command station?No. It is a standard NMRA DCC decoder and will run and program on any DCC system.

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The Digitrax SDXN167n18 is an N scale sound decoder on the Next18 plug, so in a Next18-equipped locomotive the install is a single connector and nothing else. It carries SoundFX v3 with eight CV-selectable steam and diesel sound schemes on board, which means one decoder covers a lot of different models, and new .spjs sound files can be loaded later with a Digitrax USB programmer. Building a DCC fleet? Browse our DCC Decoders, DCC Speakers, and DCC Accessories. Features Next18 plug-in connector - no soldering, no harness. Fits the Atlas N FA-1 and other Next18-equipped N scale locomotives. 8 CV-selectable sound schemes included, steam and diesel, so you can match the decoder to the prototype without reloading anything. SoundFX v3 with reloadable .spjs sound files via a Digitrax USB programmer if you want something specific later. 6 FX3 function outputs for headlights and lighting effects alongside the sound functions. Motor drive rated to the Next18 connector capacity - sized for N scale mechanisms. More Information Brand Digitrax Item Number SDXN167n18 Product Type DCC Sound and Motor Decoder Scale N Connection Next18 plug-in connector Function Outputs 6 x FX3 Sound Yes - SoundFX v3, 8 selectable schemes Speaker Included No - speaker sold separately Motor Drive To Next18 connector capacity Series Digitrax Series 7 Condition New FAQ Does my locomotive have a Next18 socket?Pull the shell and look for a small 18-pin connector, much smaller than a 21MTC and finer-pitched than an 8-pin socket. Manufacturers usually advertise it as "Next18 ready". The Atlas N FA-1 is one common example. Is a speaker included?No. Pick a speaker that fits your shell and matches the decoder impedance - in N scale that usually means a 13mm round or a small oval. Fitting it in a sealed baffle makes a large difference to the result. What do the eight sound schemes cover?A mix of steam and diesel prime movers, selectable by CV, so one decoder can serve several different models in your fleet without reloading sound. Can I load a different sound file?Yes. New .spjs files can be written to the decoder with a Digitrax USB programmer such as the PR4. Running the decoder needs no Digitrax hardware at all - any NMRA DCC system will do.

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