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The engines are small in both physical dimensions and power output, relative to larger automobile engines.Power outputs are typically less than 11 kW (15 hp). The smallest of all are used in handheld garden machinery, such as string trimmers and chainsaws, which have a displacement as small as 24 cc (1.5 cu in). [2]
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 Twin Cylinder Engine – This engine was introduced in 1977 as a means of competing with Briggs & Stratton's rivals, particularly Japanese firms like Honda who were cutting into traditional Briggs & Stratton markets by producing lawn mower engines (and later, complete lawn mowers). These first models were rated 16 hp (11.9 kW) and displaced ...
The tractor had four speeds, two in low range and two in high range, with power configurations of single-cylinder 10, 12, or 14 horsepower Kohler or Onan engines. In 1969 was the debut of the 16.5 HP Onan CCKA twin-cylinder powered Commercial 450, the most powerful tractor the company offered at the time.
The engine was a turbocharged 2.3-liter Quad 4 built mainly with factory parts that produced 250 hp (190 kW) at 6400 rpm. [11] The Oldsmobile Aerotech II and Aerotech III were both released in 1989. The Aerotech II is a wagon-back sports coupe concept with a 2.3-liter Quad 4 making 230 hp (170 kW) with some form of forced induction.
A typical turbocharged V8 diesel engine might have an engine power of 250 kW (340 hp) and a mass of 380 kg (840 lb), [1] giving it a power-to-weight ratio of 0.65 kW/kg (0.40 hp/lb). Examples of high power-to-weight ratios can often be found in turbines.
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By 1956, the business had become very successful. The company began to build a range of small to large lawn and garden tractors, in addition to a line of riding lawn mowers. A characteristic of the products was their standardization through the years. The most popular model and year was the R-J58 Wheel Horse 1958, it came without a mowing deck ...