Mercedes Actros Mp4 tractor head Model..2017 Engine size 471 The engine was changed from size 470 to size 471 Model 2018 For sale, only serious buyers should contact. The car is clean. Reason for selling: I want to buy a Mercedes 2x4 tractor head. It works on the Yemen line. Whoever likes it, may God grant them success. The trailer is clean, serviced at the agency for everything. Meaning, come, start, and hit the road, and nothing will happen to you. The car's maintenance is all done at the agency, it's all organized, agency standard.