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I'm trying to determine the least expensive way to add basic TMCC control to some of my locos (both modern DC motors as well as older AC motors).  I am learning about all of the TMCC components.... It seems that adding up all necessary components gets expensive pretty quick.

I came across the LCRU and LCRU2 boards on while looking at ebay.  Are these boards basically standalone TMCC boards?  Is an LCRU (or LCRU2) basically all thats needed to add TMCC functionality?  Do ALL LCRU boards include TMCC Command Control?

I was confused by this because I came across this listing and it seems to indicate that the board is a reverser only.  Would even this board provide command control function?

https://www.ebay.com/itm/Lione...e:g:LnAAAOSw~TRf~hOk

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Besides a Command Base & a Cab 1 only ONE  of EACH, the only thing you need to add to  each loco is a LCRU (Lionel Command Reversing Unit). It will give you TMCC command control of the locos (both with DC can & AC universal motors) and control of coil couplers (except MTH Proto 2 couplers). I used these on all my locos until ERR came out with the Cruise Commander and Cruise Commander Lite. I cannot address sound or smoke as i never use smoke and did some creative work arounds for for horn/whistle and bell sounds.

Unless you're getting a killer deal on the LCRU or LCRU2, I'd really consider the ERR products.  You get an up to date board that is documented, supported, and isn't 20+ years old.

Most of the LCRU stuff I see on eBay is as expensive as the ERR AC or DC Commander, and you would be far better off with the ERR boards.  Add a little money and you have cruise for DC motors, you really will never look back!

Last edited by gunrunnerjohn

Unless you're getting a killer deal on the LCRU or LCRU2, I'd really consider the ERR products.  You get an up to date board that is documented, supported, and isn't 20+ years old.

Most of the LCRU stuff I see on eBay is as expensive as the ERR AC or DC Commander, and you would be far better off with the ERR boards.  Add a little money and you have cruise for DC motors, you really will never look back!

Perhaps I'm incorrect, but you need to add (at minimum) an L4RC board to the DC commander to get it running, correct?  I've seen the LCRU boards go pretty cheap on ebay from time to time.   60, maybe 80 bucks or so....   A DC/AC commander plus L4RC will put you at around 150.   Converting multiple locos that all starts to add up.... just weighing my options I suppose...

Last edited by Loochy88
@Loochy88 posted:

Perhaps I'm incorrect, but you need to add (at minimum) an L4RC board to the DC commander to get it running, correct?  I've seen the LCRU boards go pretty cheap on ebay from time to time.   60, maybe 80 bucks or so....   A DC/AC commander plus L4RC will put you at around 150.   Converting multiple locos that all starts to add up.... just weighing my options I suppose...

Actually, the R4LC comes with the AC or DC commander in the package, so it's zero dollars extra.

GRJ's advice is very correct. I checked my files: LCRU's brand new retailed for $60 each plus about $5 or $6 for shipping (up to 3) with directions and all necessary parts (capacitors) and a warranty. I recently got rid of all mine for $20 or $25 each and was happy to get it.

Maybe I'm looking in the wrong places, but 60 bucks for the ability to run TMCC sounds like a steal.  and 20 bucks, I'll buy any that anyones got left at that cost. 

The AC or DC Commander is a far superior solution, for one thing the 100 step mode will give you MUCH smoother running, and much better low speed performance.  Of course, for every DC commander I sell, I sell twenty Cruise Commanders, it's my go-to product for upgrading anything with a DC motor.

Note they specifically mention the R4LC in the product listing for each of the products that it comes with.

I removed the LCRU2 and used the AC Commander when I added a second motor to my Lionel Phantom Locomotive.  It made a HUGE difference in performance and gives it really good low speed handling.

Forum thread: Improving the Lionel Phantom Locomotive

Drop me a line if you need ERR stuff.

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Last edited by gunrunnerjohn

Unless you're getting a killer deal on the LCRU or LCRU2, I'd really consider the ERR products.  You get an up to date board that is documented, supported, and isn't 20+ years old.

Most of the LCRU stuff I see on eBay is as expensive as the ERR AC or DC Commander, and you would be far better off with the ERR boards.  Add a little money and you have cruise for DC motors, you really will never look back!

$105 does not seem like a killer deal to me. More like a deal killer. I agree that ERR is a much better bet.

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