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  2. Detroit Diesel Series 50 - Wikipedia

    en.wikipedia.org/wiki/Detroit_Diesel_Series_50

    Detroit Diesel (cylinder heads cast by John Deere) Also called: Series 50, Series 50 EGR, Series 50G, Series 50 MK-G: Production: 1994–2005 (currently still available for off-road vehicles) Layout; Configuration: Straight-four 4 stroke diesel engine: Displacement: 519 cu in (8.50 L) [1] Cylinder bore: 5.12 in (130 mm) [1] Piston stroke: 6.30 ...

  3. Timing belt (camshaft) - Wikipedia

    en.wikipedia.org/wiki/Timing_belt_(camshaft)

    In a piston engine, either a timing belt (also called a cambelt) or timing chain or set of timing gears is a perishable component used to synchronize the rotation of the crankshaft and the camshaft. This synchronisation ensures that the engine's valves open and close at the correct times in relation to the position of the pistons.

  4. John Deere Model H - Wikipedia

    en.wikipedia.org/wiki/John_Deere_Model_H

    The H was introduced in 1939 as a much-scaled-down version of the John Deere Model G.It was a general-purpose row-crop tractor, intended for smaller farms. As with most row-crop tractors, the spacing between the rear wheels could be adjusted to suit row spacings.

  5. Timing mark - Wikipedia

    en.wikipedia.org/wiki/Timing_mark

    A timing mark is an indicator used for setting the timing of the ignition system of an engine, typically found on the crankshaft pulley (as pictured) or the flywheel. [1] These have the largest radius rotating at crankshaft speed and therefore are the place where marks at one degree intervals will be farthest apart.

  6. List of John Deere tractors - Wikipedia

    en.wikipedia.org/wiki/List_of_John_Deere_tractors

    John Deere Model 60 (1955) John Deere Model 530 (1959) John Deere Model 430S (circa 1960) After years of testing, Deere & Company released its first proper diesel engined tractor in 1949, the Model R. The R was also the first John Deere tractor with a live independent power take-off (PTO) equipped with its own clutch. The R also incorporated ...

  7. List of railroad truck parts - Wikipedia

    en.wikipedia.org/wiki/List_of_railroad_truck_parts

    An axlebox, also known as a journal box in North America, is the mechanical subassembly on each end of the axles under a railway wagon, coach or locomotive; it contains bearings and thus transfers the wagon, coach or locomotive weight to the wheels and rails; the bearing design is typically oil-bathed plain bearings on older rolling stock, or roller bearings on newer rolling stock.