Engine unit and work vehicle

An engine unit, comprising:

• an engine;
• a first exhaust gas treatment unit arranged above said engine and including a first exhaust gas treatment device and a second exhaust gas treatment device;
• a second exhaust gas treatment unit arranged above said engine and including a third exhaust gas treatment device and a fourth exhaust gas treatment device;
• a first connection pipe having an expandable first bellows part and guiding exhaust gas from said engine to said first exhaust gas treatment device of said first exhaust gas treatment unit;
• a second connection pipe having an expandable second bellows part and guiding the exhaust gas from said engine to said third exhaust gas treatment device of said second exhaust gas treatment unit;
• and
• a branch pipe dividing the exhaust gas from said engine, said first connection pipe connecting said branch pipe to said first exhaust gas treatment device and said second connection pipe connecting said branch pipe to said third exhaust gas treatment device, wherein
• said first to fourth exhaust gas treatment devices are arranged to be located 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, such that respective longitudinal directions thereof extend next to each other,
• said first connection pipe is routed through at least a partial region of a region directly underneath said second exhaust gas treatment device and a region directly underneath said fourth exhaust gas treatment device,
• said second connection pipe is routed through at least a partial region of the region directly underneath said second exhaust gas treatment device and the region directly underneath said fourth exhaust gas treatment device, and
• said branch pipe is disposed in at least a portion of regions directly underneath said second exhaust gas treatment device and said fourth exhaust gas treatment device.