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
Lego Motorized Bulldozer - 8275 (2007) - Snow Mobile 8275 Inspiration Model
LEGO Technic RC Bulldozer (8275) for sale online | eBay
LEGO 8275 Motorized Bulldozer Set Parts Inventory and Instructions - LEGO Reference Guide