Up for bid is a Lionel No. 100-25 E-Unit that may be used on the following engines: 221,224,224e,637,646,665,675,671,682,685,726,746,1101,1654,1655,1656,1665,1666,2016,2018,2020,2023,2025,2026,2035,2036,2037,2046,2055,2056,2065,2245,2330,GG-1,2340,and 2360 Locos. The e-unit was cleaned and tested. It cycled well when tested.Please see pictures to verify condition before you bid. All items sold as is with no returns. Additional pictures available upon request. Shipping specified is for the Continental U.S. only. U.S. bidders only please. I will combine shipping on auctions won on the same day where possible, if you wait for me to send an invoice. Payment to be made via Pay-Pal within 3 days of the close of the auction. Thank you for viewing my auction, please check out my other items on E-Bay.