pulling cap of the brill trolley

[ForThemPanzerz]

i have a roundhouse climax with a stripped gear and other misc broken parts and was wondering if the bachmanns brill trolley motor and frame could be strong enough to pull at least 3 cars up an at most 3% grade. i  thought when i took the chassis off the trolley and placed it under the climax shell it looked great and hads the bonus of the working lights. just asking for peoples thoughts