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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.
The International Harvester Company (IHC) has been building its own proprietary truck engines since the introduction of their first truck in 1907. International tended to use proprietary diesel engines. In the 1970s, IHC built the DVT 573 V-8 diesel of 240 and 260 hp (179 and 194 kW) but these were not highly regarded and relatively few were sold.
Engine power is the power that an engine can put out. It can be expressed in power units, most commonly kilowatt, pferdestärke (metric horsepower), or horsepower.In terms of internal combustion engines, the engine power usually describes the rated power, which is a power output that the engine can maintain over a long period of time according to a certain testing method, for example ISO 1585.
It produces 120 PS (88 kW) at 4,000 rpm and 260 N⋅m (192 lb⋅ft) of torque at 2,200 rpm. The engine has a displacement of 3.56 liters and weighs 235 kg (518 lb). [1] A two-port Carter carburetor and intake are positioned between the cylinder banks.
From 1990 to 1992 the 3.1 L (3,128 cc) LG6 V6 engine with 122 hp (91 kW) and 224 N⋅m (165 lb⋅ft) was used in the Isuzu Rodeo until replaced with the Isuzu-built 3.2L 6VD1 engine. The 2003–2008 Isuzu Ascender used the General Motors-built Atlas 4200 Engine with 275 hp (205 kW) and 275 ft·lbf (373 N·m) of torque.
Output is 168 hp (125 kW; 170 PS) ECE at 3,600 rpm with 380 N⋅m (280 lb⋅ft) of torque ECE at 2,500 rpm. However, marinized version of 1HD (sold as Yamaha ME and Yanmar 6LP) have an output of 315 hp (235 kW; 319 PS) on Yanmar 6LP and 315 hp (235 kW; 319 PS), 370 hp (276 kW; 375 PS) or 420 hp (313 kW; 426 PS) on Yamaha ME.
While claimed output was as high as 240 hp (179.0 kW) at 7200 rpm, none of the three prototype engines developed more than 190 hp (141.7 kW) at 5700 rpm and 170 lb⋅ft (230 N⋅m) at 5200 rpm. In the Chevrolet Final Report on the engine written 22 February 1966, the need for improvements in cooling was highlighted.
The Jamaican sprinter Usain Bolt produced a maximum of 3.5 hp (2.6 kW) 0.89 seconds into his 9.58 second 100-metre (109.4 yd) sprint world record in 2009. [14] [failed verification] In 2023 a group of engineers modified a dynamometer to be able to measure how much power a horse can produce. This horse was measured to 5.7 hp (4.3 kW). [15]