TCS - Train Control Systems

Model Railroad Technologies Accutrack II Train Speedometer   Note: This is a portable, stand-alone speed detection device. It works with DC or DCC layouts. It works with any DCC system since they are not connected in any way.   Introducing the...

SBS4DCC - 10pc ESU 53900 LokTester - Zimo MXTAPS Decoder Tester Test Clip Set     The set contains 10 Grabber type test clips molded from glass reinforced plastic in 10 colors.   Colors include Red, Black, Orange, Gray, White, Yellow,...

SBS4DCC - 1pc Black ESU 53900 LokTester - Zimo MXTAPS Decoder Tester Test Clip Set       This is 1pc extra clip to make a full set for decoders with two black wires.     The set contains 10 Grabber type test clips molded...

SBS4DCC - 1pc Brown ESU 53900 LokTester - Zimo MXTAPS Decoder Tester Test Clip Set       This is 1pc extra clip to make a full set for decoders with two brown wires.     The set contains 10 Grabber type test clips molded...

SBS4DCC - 1pc Red ESU 53900 LokTester - Zimo MXTAPS Decoder Tester Test Clip Set       This is 1pc extra clip to make a full set for decoders with two red wires.     The set contains 10 Grabber type test clips molded from...

SBS4DCC - 1pc Violet ESU 53900 LokTester - Zimo MXTAPS Decoder Tester Test Clip Set       This is 1pc extra clip to make a full set for decoders with two violet wires.     The set contains 10 Grabber type test clips...

SBS4DCC - 8pc ESU 53900 LokTester - Zimo MXTAPS Decoder Tester Test Clip Set     The set contains 8 Grabber type test clips molded from plastic in 8 colors.   Colors include Red, Black, White, Yellow, Blue, Green, Brown and Purple, a...

TCS 1000 A4X DCC Decoder - HO Drop-in AT-Style Board     The A4X is four function HO-scale "drop-in" style mobile decoder for Atlas, Athearn, Kato, etc. locomotives. Examples include the...

TCS 1001 A6X DCC Decoder - HO Drop-in AT-Style Board     The A4X is four function HO-scale "drop-in" style mobile decoder for Atlas, Athearn, Kato, etc. locomotives. Examples include the...

TCS 1002 FL2 Function-Only DCC Decoder - NMRA 6-pin JST to Hardwire     This function-only decoder is designed for any scale where extra lighting features and functions are needed. This decoder includes a 6-pin harness for easy installation and...

TCS 1003 FL2 Function-Only DCC Decoder - NMRA 6-pin JST to Hardwire (5 pk)     This function-only decoder is designed for any scale where extra lighting features and functions are needed. This decoder includes a 6-pin harness for easy...

TCS 1004 FL4 Function-Only DCC Decoder - Hardwire     This function-only decoder is designed for any scale where extra lighting features and functions are needed. This decoder includes a 6-pin harness for easy installation and wiring. These...

TCS 1004 FL4 Function-Only DCC Decoder - Hardwire (5 pk)     This function-only decoder is designed for any scale where extra lighting features and functions are needed. This decoder includes a 6-pin harness for easy installation and wiring...

TCS 1006 M1 DCC Decoder - Hardwire     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...

TCS 1011 M4 DCC Decoder - Hardwire     The M4 is a small form factor hard-wire decoder with 4 lighting functions for HO and N scale installations. This decoder is designed for installations where space is limited. This decoder is also...

TCS 1024 T4X DCC Decoder - NMRA 9-pin JST to Hardwire     The T4X has added Blue and Black/White wires to use a KeepAlive device. This model now includes a 2-pin JST Plug for the KA-P Family of KeepAlive® devices. This...

TCS Decoders offer the following features: NMRA DCC CompliantDC or DCC Operation, 2 or 4 Digit Addressing, 14-28-128 Speed Steps, and ConsistingTCS Exclusive Auto-Adjusting BEMFQuiet Drive for super quiet engine performanceThree-step...

TCS 1028 DP2X DCC Decoder - NEM652 8-pin Integral Connector     HO-Scale decoder designed as a direct-plug replacement decoder for engines equipped with 8-pin NMRA sockets. By far one of the easiest decoders to install, the DP2X can be plugged...

TCS 1029 AMD4 DCC Decoder - N Drop-in Board for Atlas GP40-2, U25B, SD35, Trainmaster, B23-7 and others     The AMD4 is a N-scale drop-in decoder for Atlas locomotives. Examples include the...

TCS 1030 MP15N DCC Decoder - N Drop-in Board for Atlas MP15N     The MP-15N is a N-scale drop-in decoder which is designed for the Atlas MP-15 locomotive. See the installation pages for a full list of compatible engines! Back EMF Load...

TCS 1031 VO-1000 DCC Decoder - N Drop-in Board for Atlas VO-1000     The VO-1000 is a N-scale drop-in decoder which is specifically designed for the Atlas VO-1000 locomotive. See the installation pages for a full list of compatible...

TCS 1032 DCC Decoder VR1.5 Voltage Regulator - Hardwire     Never wire another resistor for 1.5v bulbs! The VR1.5 can be used with any decoder to supply a 1.5V regulated supply for all of your light bulbs.   To use the VR1.5, connect the...

TCS 1250 NEM660 - 21MTC 21-Pin Decoder Ejector Tool     Don't use your fingers! Use the Ejector!   No more using screwdrivers or stressing over trying to remove WOW121 decoders from WOWMotherboards. With the Decoder Ejector a hard and...

TCS 1252 WOWSound DCC Sound Decoder - WOW-Plug & Play w/ KA-4 Keep Alive -Electric - HO Drop-in Board for Bachmann ACS-64 This product is specifically designed to be installed into Bachmann's AMTRAK® CITY SPRINTER Trainset. ACS-64 recordings...

TCS 1278 CN DCC Decoder - N Drop-in Board for Atlas Classic, Kato, and InterMountain     The CN is a N-scale drop-in decoder for older Atlas, Kato, and Intermountain locomotives. Examples include the following: Atlas: GP7/GP9 Old...

TCS 1279 ASD4 DCC Decoder - N Drop-in Board for Atlas GP7/GP9, GP15, GP30, GP35     The ASD4 is a N-scale drop-in decoder for Atlas locomotives. Examples include the following: Atlas: GP7/GP9 GP15 GP30 GP35 See the installation pages for a...

TCS 1286 CN-GP DCC Decoder - N Drop-in Board for Atlas Classic, Kato, and Life-Like     The CN-GP is a N-scale drop-in decoder for Atlas, Kato, and Life Like locomotives. Examples include the...

TCS 1287 DP2X-UK DCC Decoder - NEM652 8-pin Integral Connector     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...

TCS 1293 K1D4 DCC Decoder - N Drop-in Board for Post-2006 Kato SD40-2 The K1D4 is a 4-function N-scale drop-in decoder designed for Kato and Athearn locomotives. Examples include the following: Kato: C30-7 SD40 SD70/SD70M/SD70MAC GE C44-9W GE...

TCS 1294 K2D4 DCC Decoder - N Drop-in Board for Kato SD80/90MAC Series, RSC2, RS2 The K2D4 is a N-scale drop-in decoder designed for Kato and Walthers locomotives. Examples include the following: Kato: RS2/RSC2 SD80/SD90MAC Walthers: RS2 GP18 See...

TCS 1295 K3D3 DCC Decoder - N Drop-in Board for Kato NW-2     The K3D3 is a N-scale drop-in decoder designed specifically to fit the Kato N-Scale NW2 locomotive. Note: This decoder is very fragile due to its thickness and physical design...

TCS 1296 Z2 DCC Decoder - Hardwire     This full featured 2 function BEMF decoder is designed specifically to meet the needs of Z and N-Scale modelers who are converting their Z and N-Scale locomotives to DCC. Included is our auto-adjusting...

TCS 1298 EUN651 DCC Decoder - NEM651 6-pin Integral Connector     This decoder is compatible with the NEM651 standard interface found in some N-scale Bachmann and Fox Valley Models locomotives. Back EMF Load Compensation: Provides...

TCS 1302 ALD4 DCC Decoder - N Drop-in Board for Atlas N Scale SD60, SD60M, SD50 and others     The ALD4 is a N-scale drop-in decoder for Atlas locomotives. Examples include the following: Atlas: SD50 SD60 See the installation pages for a...

  TCS 1303 G8 DCC Decoder - Screw Terminals     This decoder is compatible with the NEM651 standard interface found in some N-scale Bachmann and Fox Valley Models locomotives. Back EMF Load Compensation: Provides superior slow speed...

TCS 1318 K1D4-NC DCC Decoder - N Drop-in Board for Post-2006 Kato SD70ACeThe K1D4 is a N-scale drop-in decoder designed for Kato and Athearn locomotives. Examples include the following: Kato: SD70ACe SD40-2 GG1 Athearn: SD75I  See the...

TCS 1327 IMD4 DCC Decoder - N Drop-in Board for InterMountain SD40T-2 / SD45T-2     The IMD4 is a N-scale drop-in decoder which is designed for InterMountain locomotives. Examples include the...

TCS 1328 IMF4 DCC Decoder - N Drop-in Board for InterMountain F3 and F7 A & B units with motor contact "shoes"     The IMF4 is a N-scale drop-in decoder which is designed for InterMountain F-unit locomotives. Examples include the...

TCS 1329 IMFP4 DCC Decoder - N Drop-in Board for InterMountain FP7A and FP9A with motor contact "shoes"     The IMFP4 is a N-scale drop-in decoder which is designed for InterMountain FPA-unit locomotives. Examples include the...

TCS 1330 IMFTA4 DCC Decoder - N Drop-in Board for InterMountain FT A units with motor contact "shoes"     The IMFTA4 is a N-scale drop-in decoder which is specifically designed for InterMountain FTA locomotive. See the installation pages for...

TCS 1331 IMFTB4 DCC Decoder - N Drop-in Board for InterMountain FT B units with motor contact "shoes"     The IMFTB4 is a N-scale drop-in decoder which is specifically designed for InterMountain FTB locomotive. See the installation pages for...

TCS 1332 K0D8-A DCC Decoder - N Drop-in Board for Kato P42     The K0D8 is a N-scale drop-in decoder for Kato locomotives. Examples include the following: Kato: P42 Genesis See the Installation Pages for a full list of compatible...

TCS 1333 K0D8-B DCC Decoder - N Drop-in Board for Kato F3, F7 A-Units     The K0D8 is a N-scale drop-in decoder for Kato locomotives. Examples include the following: Kato: F3A F7A See the installation pages for a full list of compatible...

TCS 1335 DP5 DCC Decoder - NEM652 8-pin Integral Connector     The DP5 is a HO-Scale direct-plug decoder designed for engines equipped with 8-pin NMRA sockets. By far one of the easiest decoders to install, the DP5 can be plugged into many...

TCS 1338 K0D8-C DCC Decoder - N Drop-in Board for Kato F40PH     The K0D8 is a N-scale drop-in decoder for Kato locomotives. Examples include the following: Kato: F40PH See the installation pages for a full list of compatible...

TCS 1339 K0D8-D DCC Decoder - N Drop-in Board for Kato Wide Body Type B-Units     The K0D8-D is a N-scale drop-in decoder for Kato B-unit locomotives. Examples include the following: Kato: PB-1 F3B F7B E9B See the installation pages for a...

TCS 1343 LL8 DCC Decoder - HO Drop-in Board for Life-Like Proto 2000 with NEM652 8-pin Integral Connector     The LL8 is a 8-function direct-plug decoder designed specifically to meet the needs of LifeLike/Proto 2000 models. The LL8 can quickly...

TCS Decoders offer the following features: NMRA DCC CompliantDC or DCC Operation, 2 or 4 Digit Addressing, 14-28-128 Speed Steps, and ConsistingTCS Exclusive Auto-Adjusting BEMFQuiet Drive for super quiet engine performanceThree-step...

TCS 1373 EUN651P-18 DCC Decoder - NEM651 6-pin Wired Plug     This decoder is compatible with the NEM651 standard interface found in some N-scale Bachmann and Fox Valley Models locomotives. The EUN651P-18 is wired to a 18mm harness terminated...

TCS Decoders offer the following features: NMRA DCC CompliantDC or DCC Operation, 2 or 4 Digit Addressing, 14-28-128 Speed Steps, and ConsistingTCS Exclusive Auto-Adjusting BEMFQuiet Drive for super quiet engine performanceThree-step...

TCS 1397 EUN651P-30 DCC Decoder - NEM651 6-pin Wired Plug     This decoder is compatible with the NEM651 standard interface found in some N-scale Bachmann and Fox Valley Models locomotives. The EUN651P-30 is wired to a 30mm harness terminated...

TCS 1402 LL8-LED DCC Decoder - HO Drop-in Board for Life-Like Proto 2000 with NEM652 8-pin Integral Connector     The LL8-LED is a 8-function direct-plug decoder designed specifically to meet the needs of LifeLike/Proto 2000 models. The...

TCS 1412 DP2X-LL DCC Decoder - NEM652 8-pin Integral Connector     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...

TCS 1413 L1D4 DCC Decoder - N Drop-in Board for Walthers Proto N GP20 and similar     The L1D4 is a N-scale drop-in decoder which has been designed for Life Like and Walthers Proto locomotives. Examples include the following: Life...

TCS 1414 K4D6 DCC Decoder - N Drop-in Board for Kato MP36PH Metra     The K4D6 is a N-scale drop-in decoder specifically designed to fit the Kato N-Scale MP36PH locomotive. This decoder is also commonly paired with the K4-LK lighting kit for...

TCS 1415 K4-LK Function-Only DCC Decoder - Hardwire Lighting Expansion Board for TCS 1414 K4D6 DCC Decoder - Kato MP36PH Metra     The K4-LK is a function-only lighting expansion board which has been designed to be installed into the KATO...

TCS 1416 AS6 DCC Decoder - HO Drop-in Board for Atlas S1, S2, S3, S4     This full featured 6 function BEMF decoder fits the following Atlas HO Scale engines: S1, S2, S3, and S4. See the installation pages for a full list of compatible...

TCS KAC Decoders offer the following features:  Attached is a harness terminating in a 2-Pin Quick Connector for use with a TCS Keep Alive.  TCS Decoders offer the following features: NMRA DCC CompliantDC or DCC Operation, 2 or 4...

TCS 1011 M4 DCC Decoder - Hardwire     The M4 is a small form factor hard-wire decoder with 4 lighting functions for HO and N scale installations. This decoder is designed for installations where space is limited. This decoder is also...

TCS 1430 A6X-KA DCC Decoder - HO Drop-in AT-Style Board     The A4X is four function HO-scale "drop-in" style mobile decoder for Atlas, Athearn, Kato, etc. locomotives. Examples include the...

TCS 1001 A6X DCC Decoder - HO Drop-in AT-Style Board     The A4X is four function HO-scale "drop-in" style mobile decoder for Atlas, Athearn, Kato, etc. locomotives. Examples include the...

TCS KA Decoders offer the following features:   Attached is an extra Blue wire and the Black w/ White Stripe wire for use with a TCS Keep Alive.   TCS Decoders offer the following features: NMRA DCC CompliantDC or DCC Operation,...

TCS KA Decoders offer the following features:   Attached is an extra Blue wire and the Black w/ White Stripe wire for use with a TCS Keep Alive.  TCS Decoders offer the following features: NMRA DCC CompliantDC or DCC Operation, 2 or 4...

TCS KAC Decoders offer the following features:  Attached is a harness terminating in a 2-Pin Quick Connector for use with a TCS Keep Alive.   TCS Decoders offer the following features: NMRA DCC CompliantDC or DCC Operation, 2 or...

  TCS 1446 A4X-KA DCC Decoder- HO Drop-in AT-Style Board     The A4X is four function HO-scale "drop-in" style mobile decoder for Atlas, Athearn, Kato, etc. locomotives. Examples include the...

  TCS 1446 A4X-KA DCC Decoder- HO Drop-in AT-Style Board     The A4X is four function HO-scale "drop-in" style mobile decoder for Atlas, Athearn, Kato, etc. locomotives. Examples include the...

TCS 1454 KA1 DCC Decoder Keep-Alive Device - Hardwire 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 and coming in at half the size...

TCS 1455 KA1-C DCC Decoder Keep-Alive Device - 2-pin Mini ConnectorTCS 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 and coming in...

TCS 1456 KA2 DCC Decoder Keep-Alive Device - Hardwire 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...

TCS 1457 KA2-C DCC Decoder Keep-Alive Device - 2-pin Mini ConnectorTCS 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...

TCS 1465 KAT24 DCC Decoder - NMRA 9-pin JST to Hardwire     This decoder is a T4 decoder with built in Keep-Alive™, and will keep your locomotive operating for 6-15 seconds without power (As a result of dirty track, poor contacts, etc.)...

TCS 1466 KAT26 DCC Decoder - NMRA 9-pin JST to Hardwire     This decoder is a T6 decoder with built in Keep-Alive™, and will keep your locomotive operating for 6-15 seconds without power (As a result of dirty track, poor contacts, etc.)...

TCS 1479 KAM4-LED DCC Decoder - Hardwire     This decoder is a M4 decoder with built in Keep-Alive™, and will keep your locomotive operating for 6-15 seconds without power (As a result of dirty track, poor contacts, etc.). This decoder is...

TCS 1481 K0D8-E DCC Decoder - N Drop-in Board for Kato PA, E5, E6, E8, E9 A-Units     The K0D8 is a N-scale drop-in decoder for Kato locomotives. Examples include the following: Kato: ALCO PA-1 E5A E6A E8A E9A See the Installation Pages for...

TCS 1482 T4-LED DCC Decoder - NMRA 9-pin JST to Hardwire     The T4-LED has added Blue and Black/White wires to use a KeepAlive device. This model now includes a 2-pin JST Plug for the KA-P Family of KeepAlive® devices. This...

TCS 1484 T1-LED DCC Decoder - NMRA 9-pin JST to Hardwire     The T1 LED has added Blue and Black/White wires for the use of a KeepAlive device. This decoder has internal resistors for LEDs eliminating the use of external resistors for F0F or...

TCS 1485 KAM4 DCC Decoder - Hardwire     This decoder is a M4 decoder with built in Keep-Alive™, and will keep your locomotive operating for 6-15 seconds without power (As a result of dirty track, poor contacts, etc.). This decoder is...

TCS 1489 K5D7 DCC Decoder - N Drop-in Board for Kato "Metra" F40PH     The K5D7 is a N-scale drop-in decoder specifically designed to fit the Kato F40PH locomotive. This decoder includes onboard LED’s for the forward, reverse, and red...

TCS WOWSound DCC Sound Decoder - WOW101-SteamThe WOW101 is a universal decoder for locomotives with DCC-ready 9-pin plugs, or locomotives which cannot accommodate a motherboard or WOWKit. This decoder may be hard-wired or plugged directly into any...

TCS WOWSound DCC Sound Decoder - WOW101-KA-Steam The WOW101 is a universal sound decoder for locomotives with DCC-ready 9-pin plugs, or which cannot accommodate a motherboard or WOWKit. This decoder may be hard-wired or plugged directly into any...

  TCS WOWSound DCC Sound Decoder - WOW121-SteamThe WOW121 is a universal sound decoder for locomotives with DCC-ready 21-pin MTC connectors, and can also be used with any of TCS' motherboards. The WOW121 requires a motherboard to interface with the...

  TCS WOWSound DCC Sound Decoder - WOW121-Diesel The WOW121 is a universal sound decoder for locomotives with DCC-ready 21-pin MTC connectors, and can also be used with any of TCS' motherboards. The WOW121 requires a motherboard to interface with...

  TCS WOWSound DCC Sound Decoder - WOW101-Diesel The WOW101 is a universal decoder for locomotives with DCC-ready 9-pin plugs, or which cannot accommodate a motherboard or WOWKit. This decoder may be hard-wired or plugged directly into any...

  TCS WOWSound DCC Sound Decoder - WOW101-KA-Diesel The WOW101 is a universal decoder for locomotives with DCC-ready 9-pin plugs, or which cannot accommodate a motherboard or WOWKit. This decoder may be hard-wired or plugged directly into any...

TCS 1543-HP Life-Like P2K MB-1 Motherboard Adapter Board - High Pins   This motherboard is designed to replace the existing circuit board in a Walthers Proto 2000 0-6-0 and 0-8-0. This board is designed to receive a WOW121 or EU621 decoder and...

TCS 1543-LP Life-Like P2K MB-1 Motherboard Adapter Board - Low Pins   This motherboard is designed to replace the existing circuit board in a Walthers Proto 2000 0-6-0 and 0-8-0. This board is designed to receive a WOW121 or EU621 decoder and...

TCS 1544-HP Bachmann MB-1 Motherboard Adapter Board - High Pins     This motherboard is designed to replace the existing circuit board in a Bachmann Light 4-8-2 (short tender) or the 2-8-0. This board provides an onboard Keep Alive® for...

TCS 1544-LP Bachmann MB-1 Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the existing circuit board in a Bachmann Light 4-8-2 (short tender) or the 2-8-0. This board provides an onboard Keep Alive® for...

TCS 1545-HP Bachmann MB-2 Motherboard Adapter Board - High Pins     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...

TCS 1545-LP Bachmann MB-2 Motherboard Adapter Board - Low Pins     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...

TCS 1546-HP Bachmann MB-3 Motherboard Adapter Board - High Pins     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...

TCS 1546-LP Bachmann MB-3 Motherboard Adapter Board - Low Pins     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...

TCS 1549 MT1500 DCC Decoder - N Drop-in Board for Micro-Trains SW1500     The MT1500 is a N-scale drop-in decoder which was designed specifically to fit in the Micro-Trains Line SW1500 diesel switcher. The decoder features a built-in forward...

TCS 1550 AZL4 DCC Decoder - Z Drop-in Board for American Z Line (AZL)     This full-featured, 4 function, drop-in decoder is designed to fit in American Z Lines modern diesel chassis. This decoder includes built-in forward and reverse...

TCS 1551 IMF4-NF DCC Decoder - N Drop-in Board for Post-2014 InterMountain F7A & B units with wired motors     The IMF4-NF is a N-scale drop-in decoder which is designed for InterMountain F-unit locomotives. Examples include the...

TCS 1552 IMFP4-NF DCC Decoder - N Drop-in Board for Post-2014 InterMountain FP7A with wired motors     The IMFP4-NF is a N-scale drop-in decoder which is designed for InterMountain FPA-unit locomotives. Examples include the...

TCS 1556 K6D4 DCC Decoder - N Drop-in Board for Kato Glacier Express and FEF 4-8-4     The K6D4 decoder is specifically designed to operate the Kato N-Scale FEF-3 4-8-4 steam locomotive. This decoder includes a built-in forward LED and 3...

TCS 1557-HP Bachmann MB-4 Motherboard Adapter Board - High Pins     This motherboard is designed to replace the existing circuit board in a Bachmann Richmond 4-4-0. This board is designed to receive a WOW121 or EU621 decoder and provides an...

TCS 1557-LP Bachmann MB-4 Motherboard Adapter Board - Low Pins     This motherboard is designed to replace the existing circuit board in a Bachmann Richmond 4-4-0. This board is designed to receive a WOW121 or EU621 decoder and provides an...

TCS 1560 AZL1D4 DCC Decoder - Z Drop-in Board for American Z Line (AZL) PA     The AZL1D4 is the first drop-in decoder designed for the latest generation of American Z Line diesel locomotives. The design features a screw-down design, unlike...