AGRICULTURAL MACHINE WITH VENTILATED EXHAUST GAS FLOW

The agricultural machine has an internal combustion engine, an exhaust pipe (21) coming from the internal combustion engine, and a protective sleeve (12) which covers a part of the exhaust pipe under formation of an intermediate chamber (23). The intermediate chamber is impinged with high pressure. The covered part of the exhaust pipe has an exhaust gas collecting manifold or a turbine (14) of a turbocharger (13).