Bulldozer

A bulldozer comprising:

• a cab;
• a work implement located frontward of said cab;
• an engine arranged between said cab and said work implement;
• a first exhaust gas treatment unit including a first exhaust gas treatment device and a second exhaust gas treatment device;
• a second exhaust gas treatment unit including a third exhaust gas treatment device and a fourth exhaust gas treatment device;
• and
• an exhaust pipe connected to each of said second exhaust gas treatment device and said fourth exhaust gas treatment device,
• said first to fourth exhaust gas treatment devices being arranged next to each other, between said cab and said work implement, in an order of said first exhaust gas treatment device, said second exhaust gas treatment device, said fourth exhaust gas treatment device, and said third exhaust gas treatment device, so that a longitudinal direction of each exhaust gas treatment device is along a vehicular width direction, as seen in a plan view, and
• said exhaust pipe being located within a region made up of a region where said second exhaust gas treatment device is arranged, a region where said fourth exhaust gas treatment device is arranged, and a region between said second exhaust gas treatment device and said fourth exhaust gas treatment device, and located on an end side in said longitudinal direction, as seen in a plan view.