About Loy's Toys
Retirement Sale
T4X HO-Scale Locomotive Decoders
DCC Compatibility
 
 

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QSI QARC (Quantum Analog Remote Control) Warning
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RWB Line
The T4X utilizes the JST harness connector and comes with the standard 7" harness. We offer the T4X with a variety of other harnesses. While some NMRA plug harness lengths are for the specific locos listed with them, they can be used for any other application you deem appropriate.
Where to Order
T4X/
TCS-T4XW
4-Function Decoder, Dither, Quiet Drive, 7-Inch Wires to Cut and Solder
 
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Ulrich
TCS-T4XAT
4-Function Decoder, Dither, Quiet Drive, Athearn Clip-On Harness
  • Will work on most Athearn road units
  • NOT for yard switchers or the Genesis series.
  Ulrich
TCS-T4XPL
4-Function Decoder, Dither, Quiet Drive, NMRA Plug on 6-5/8-Inch OS Harness
 
  Ulrich
TCS-T4XP7
4-Function Decoder, Dither, Quiet Drive, NMRA Plug on 5.5-Inch OS Harness
  • For Life-Like P2K E7.
  • Click here for installation information.
  Ulrich
TCS-T4XPE
4-Function Decoder, Dither, Quiet Drive, NMRA Plug on 3-9/16-Inch OS Harness
  • For Life-Like P2K E6.
  • Click here for installation information.
  Ulrich
TCS-T4XPP
4-Function Decoder, Dither, Quiet Drive, NMRA Plug on 2-7/8-Inch GS Harness
  • For Life-Like PA and PB.
  • Click here for a warning about motor current draw.
  Ulrich
TCS-T4XPM
4-Function Decoder, Dither, Quiet Drive, NMRA Plug on 1.75-Inch GS Harness
  • For Stewart C628/630
  Ulrich
TCS-T4XPC
4-Function Decoder, Dither, Quiet Drive, NMRA Plug on 1.5-Inch OS Harness
  • For Kato F40PH
  Ulrich
TCS-T4XPJ
4-Function Decoder, Dither, Quiet Drive, NMRA Plug on 1.375-Inch GS Harness
  • For Bachmann N&W "J" class 4-8-4.
  • Click here for installation information.
  Ulrich
TCS-T4XPS
4-Function Decoder, Dither, Quiet Drive, NMRA Plug on 1-1/4-Inch OS Harness
 
  Ulrich
TCS-T4XPB
4-Function Decoder, Dither, Quiet Drive, Reversed NMRA Plug on 1-Inch GS Harness
  • For Bachmann 3-truck Shay.
  Ulrich
TCS-T4XPR
4-Function Decoder, Dither, Quiet Drive, NMRA Plug on 5/8-Inch OE Harness
  • For Rivarossi Allegheny
  Ulrich
TCS-T4XPF
4-Function Decoder, Dither, Quiet Drive, NMRA Plug on 3/8-Inch OE Harness
  • For Stewart FT
  Ulrich
TCS-T4XPV
4-Function Decoder, Dither, Quiet Drive, NMRA Plug on 1/4-Inch OS Harness
  • For Stewart V0
  Ulrich
TCS-T4XPK
4-Function Decoder, Dither, Quiet Drive, Reversed NMRA Plug on 1/4-Inch GS Harness
  • For Life-Like GP60
  • Change bulbs or add resistors.
  Ulrich
TCS-T4XPK1
4-Function Decoder, Dither, Quiet Drive, Assembled Low-Profile NMRA Plug
  • For you to install on the T1 harness yourself
  • Make any length of harness you need
  SOLD OUT
TCS-T4XPK0
4-Function Decoder, Dither, Quiet Drive, Low-Profile NMRA Plug Kit
  • For you to assemble and install on the T1 harness yourself
  • Make any length of harness you need
  SOLD OUT
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T4X Features:
1" long, 0.66" wide, 0.25" thick
JST Connector harness system
Amperage: 1.3 amps continuous motor drive
Quiet Drive
Dither
V-Start, V-Mid, V-Max in all speed-step modes
Two- and Four-Digit addressing
Speed Steps: 14, 28 and 128
Momentum: Acceleration and Deceleration
Base-Direction Programming
User Identifiers
User-Loadable Speed Table
Decoder-Assisted Consisting
DC Analog Conversion
DC Braking Section Control
DC Function Control
DAC Momentum Trim
Decoder Programming Lock
Four 125 mA Functions
Function Remapping
Full-Wave (Blue Common) Wiring
Directional/Non-Directional Lighting
FX Lighting

Random Flicker (for steam fire-boxes)
Mars Light
Flashing Headlight
Single-Pulse Strobe
Double-Pulse Strobe
Rotary Beacon
Gyralite
Rule 17 Dimmable Headlight (dims when Function 4 is turned on or loco direction is opposite)
Opposite Dim
Blinking Ditch Lights (starts blinking when Function 2 [the horn button] is pressed)

CV Reset
DAC Function Control
Service-Mode Programming, all forms
OPS-Mode Programming
Auxiliary Connector

T4X Decoders Do Not Have:
Trim: Forward and Reverse
Power-Source Conversion (CV12) - it has automatic analog instead
Packet Time-Out
Back-EMF control
Transponding
Short-Circuit Protection
Thermal Protection
Switching Speed
OPS-Mode Read-Back

Refer to the Decoder Feature Index page for information about any decoder feature.

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