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The D-400 series engine or the Iron Horse engine was a light-duty two-stroke engine used for powering lawnmowers produced from the 1950s to the late 1970s. D-400 engines were single-cylinder engines designed and manufactured by the Outboard Marine Corporation (OMC; Johnson and Evinrude) for Lawn-Boy [2] and Masport. The D-400 engines displaced ...
In 2004 Gravely produced its last Gravely two-wheeled tractor. As of 2006, Gravely provided a full line of power lawn implements, including zero-turn mowers, reel mowers, and grass trimmers. In 2008, Gravely launched Gravely Turf Equipment, a division geared toward golf courses and turf management nationwide.
The most common self-contained power source for lawn mowers is a small 4-stroke (typically one-cylinder) internal combustion engine. Smaller mowers often lack any form of self-propulsion, requiring human power to move over a surface; "walk-behind" mowers are self-propelled, requiring a human only to walk behind and guide them.
The Toro Agreement – In 1999, Briggs & Stratton made a license agreement with The Toro Company of Bloomington, Minnesota. to produce the Toro R*Tek piston ported version of their E series 2-stroke engine (AKA Lawn-Boy DuraForce) for use in Toro Snow Throwers. The engine was a 141cc 2-cycle that produced from 4 hp to 6.5 hp at 3700 to 4000 rpm ...
The combustion cycle can be either two-stroke (which results in a lighter engine for a given power output) [3] [4] or four-stroke (which produce lower levels of exhaust gas emissions). [5] [6] The fuel is usually either petrol or diesel. [7] In 1973, a small Wankel (rotary) engine manufactured by NSU was used in a lawn mower. [8]
Animation of a two-stroke engine. A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a power cycle with two strokes of the piston (one up and one down movement) in one revolution of the crankshaft in contrast to a four-stroke engine which requires four strokes of the piston in two crankshaft revolutions to complete a power cycle.
Pope Products Ltd. was an Australian manufacturer, based in Beverley, South Australia, best remembered for washing machines and refrigerators. The company was founded in 1935 by Sidney Barton Pope (18 February 1905 – 2 September 1983) (generally referred to as "Barton" or "S. Barton Pope" and from 1959 "Sir Barton") and his brother Harley Clifford Pope (6 April 1908 – ) to manufacture ...
It is likely, but not certain, that Malcolm was already working as a brass founder. They set up a welding workshop and brass-foundry at 3 Chapel Street, Thebarton, South Australia, [5] manufacturing brassware until at least 1927. By 1924 Scott Bonnar & Co. had a workshop at 22 Mill Street, Adelaide, repairing and regrinding lawn mowers.