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  2. Exhaust system - Wikipedia

    en.wikipedia.org/wiki/Exhaust_system

    When a bus, truck or tractor or excavator has a vertical exhaust pipe (called stacks or pipes behind the cab), sometimes the end is curved, or has a hinged cover flap which the gas flow blows out of the way, to try to prevent foreign objects (including feces from a bird perching on the exhaust pipe when the vehicle is not being used) getting ...

  3. Lanz Bulldog - Wikipedia

    en.wikipedia.org/wiki/Lanz_Bulldog

    Scheme of an Akroyd engine: 1 – hot-bulb ignition device, 2 – cylinder, 3 – piston, 4 – crankcase; the unlabelled part on the left is the exhaust. The Lanz Bulldog was built with a single-cylinder, two-stroke Akroyd engine – the so-called Bulldog engine – that was designed by Fritz Huber. The Bulldog engine was installed ...

  4. Exhaust brake - Wikipedia

    en.wikipedia.org/wiki/Exhaust_brake

    An exhaust brake is a valve which essentially creates a back-pressure in the exhaust system, which applies enough force onto the engine's pistons to slow the engine. In most cases, an exhaust brake is so effective that it can slow a heavily-loaded vehicle on a downgrade without ever applying the vehicle’s service brakes.

  5. Farmall F-20 - Wikipedia

    en.wikipedia.org/wiki/Farmall_F-20

    The Farmall F-20 is a medium-sized two-plow row crop tractor produced by International Harvester under the Farmall brand from 1932 to 1939, with approximately 148,000 produced. It replaced the Farmall Regular , and was itself replaced in 1939 by the Farmall H .

  6. Ferguson TE20 - Wikipedia

    en.wikipedia.org/wiki/Ferguson_TE20

    The tractor played a large part in introducing widespread mechanised agriculture. In many parts of the world the TE20 was the first tractor to be affordable to the average farmer and was small and light enough to replace the draft horse and manual labour. Many TE20s remain in regular use in farming and other work and the model is also a popular ...

  7. Exhaust gas recirculation - Wikipedia

    en.wikipedia.org/wiki/Exhaust_gas_recirculation

    In internal combustion engines, exhaust gas recirculation (EGR) is a nitrogen oxide (NO x) emissions reduction technique used in petrol/gasoline, diesel engines and some hydrogen engines. [1] EGR works by recirculating a portion of an engine's exhaust gas back to the engine cylinders .