Hi my Name is Josh and I was wondering if any one knew a replacement for a motor to a C40-8W in HO it is a Bachmann Spectrum it looks something simular to this one->http://estore.bachmanntrains.com/index.php?main_page=popup_image&pID=1283 but is a C40-8W and the new modern one looks like this->http://estore.bachmanntrains.com/index.php?main_page=popup_image&pID=1358 which one should anyone suggest I buy I am sort of lost