WATCH: Pure-electric Ford F-150 tow 450-tonne train

Ford has released a new video to help demonstrate the might of its forthcoming pure-electric Ford F-150 pick-up truck by towing more than a million pounds of train.

The video, said to feature a prototype version of the All-Electric Ford F-150, shows an engineer load up what's claimed to be 10 double-decker cargo train carts with a further 42 F-150s, increasing the total weight of train and trucks to an incredible 1.25 million pounds – around 570 tonnes in our money.

The battery-powered F-150 prototype then successfully tows the train more than 1000ft (305m).

It's not known if, or how, Ford prepared the F-150 EV for the stunt, but the Blue Oval has admitted that the plug-in pick-up has a towing capacity far beyond any production truck's published capacity when used for one short event demonstration, hinting that the production zero-emission truck won't be able to tow anywhere near what the pick-up featured in the stunt did.

Ford has yet to reveal any technical information on the forthcoming electric F-150 -- other than to say that it will arrive following the launch of the hybrid version that's due in 2020.

Ford Australia doesn’t officially import the F-150 but it is available here via various importers including Performax and Harrison F-Trucks.

It's not the first time we've see an electric car pull an impossible large load.

Most recently, MINI released a video of its battery-powered hatch towing a Boeing 777 -- although the empty, unfuelled cargo plane was only said to tip the scales at a modest 150 tonnes.