My collection of Lego Technics with 3 more on the way that I bought off E-bay. Lego technic 8275 motorized bulldozer, lego technic 42009 mobile crane mk II and lego technic 8258
Amazon.com: LEGO Technic Crawler Dozer Bulldozer Building/Construction Toy 42028 : Toys & Games
Lego Motorized Bulldozer - 8275 (2007) - Snow Mobile 8275 Inspiration Model