When it comes to pickup trucks, Detroit's Big Three never rest. Full-size trucks like the Ford F-150 and Chevrolet Silverado are big business, commanding huge average transaction prices and packing big margins, while at the same time claiming an outsize portion of North American new vehicle sales.

Knowing that, it comes as little surprise that Ford is declaring its thirteenth-generation F-150 obsolete a bit early, redesigning the truck from head to toe after just six years on the market. Its replacement - the all-new, fourteenth-generation F-150 - will launch for the 2021 model year, with a reveal set for Thursday, June 25.

That date was officially publicized this week along with an official teaser image showing the 2021 Ford F-150 drenched in shadow, leaving nothing visible but for a scant silhouette of the front end and two sharp, orthogonal bracket-shaped light arrangements. Those lights, which likely constitute a set of LED daytime running lamps, are split between a longer upper portion flanking the grille, and a shorter segment on either side of the bumper.

They also appear quite similar to the ones seen on an early rendering from F150GEN14, as does the hood with its raised center and angled creases, and the side mirrors with their blocky, squared shape.

Those design elements, then, are as good as confirmed, but we'll have to wait for the official unveiling before we can get a peak at the rest of the truck. Spy photos of the new light-duty pickup have surfaced in the past, but the camouflage worn by those prototype trucks left much to the imagination.

Mechanically, not much is expected to change between the outgoing and incoming Ford F-150s, with the same engine options and standard ten-speed automatic transmission. The overall design direction is expected to remain largely the same, although the interior is set for a thoughtful overhaul.

But the big shifts will come in the form of brand new electrified models - a plug-in hybrid, expected for 2021, and a pure-electric model due some time later. We don't know whether either model will be present at the big reveal this Thursday.