The Squat Hovercar was shown on the Winter 1987 and February 1988 Rogue Trader part 1 flyers. In blister it was TSF20 Halfling Cloud Car. Beardiest halfling I ever saw... The painted version is from the collection of and courtesy of Mr Billy Bunter.
Iron Claw Megabot & Squat Hovercar
RT1 Flyer (February 1988)
Iron Claw Squat Hovercar / TSF20 Halfling Cloud Car
Iron Claw Squat Hovercar / TSF20 Halfling Cloud Car