Update on AC4400

Discussion in 'HO Scale Model Trains' started by jeffrey-wimberl, Mar 5, 2007.

  1. jeffrey-wimberl

    jeffrey-wimberl Active Member

    I found out what was wrong and corrected it. I must have gotten a Friday locomotive. The pickups in the trucks were so badly placed that they were making intermittent contact and in some cases were shorting out. I fixed that problem in about 30 minutes. The soldering was very badly done. The wires on the trucks were so poorly soldered that they would come loose with just a gentle tug. 5 minutes of soldering fixed that. Here's the biggie. The motor is faulty. I'm not sure what's wrong with it, but it won't hold a steady RPM. I changed it out with the motor from a John Deere BB F7. The locomotive runs fine now on DC and DCC, no humming, no growling (except a little from the BB motor). The growl sounds quite a bit like a diesel engine. These are problems I would expect to find in a BB locomotive, not a $110 RTR that's supposed to represent quality. If this had been a Proto 2000, Walther's would have gotten it back with a strong letter of complaint.

    With all this repair work, it has earned itself the title of 'Honorary Tyco Locomotive'.
  2. Squidbait

    Squidbait Recovering ALCO-holic

    Did you try contacting Horizon Hobby (Athearn's distributor)? They are very good with customer support. Usually they'll replace bad items. I've had (and seen) them give very good support for their RC products, I can't imagine it would be any different for their train lines.
  3. jeffrey-wimberl

    jeffrey-wimberl Active Member

    After waiting almost a year for a replacement part for a steamer I wasn't about to wait for their assistance. I've got the problem resolved to my satisfaction and that's what counts. :)
  4. jbaakko

    jbaakko Active Member


    I'd send them the motor and ask for a replacement, 95% chance you get it!
  5. Thoroughbreed

    Thoroughbreed Member

    Well at least you figured out the prob!! But I would definitely send them the motor for a replacement!
  6. jeffrey-wimberl

    jeffrey-wimberl Active Member

    I'm going to. Then I'll have a HP motor to put in the BB F7 that I took the other motor out of.

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