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4-Cylinder Water-Cooled Hbe Huadong 490d Pump Diesel Engine1
Engine Part, Diesel Engine, Ricardo Diesel Engine
Weifang Huadong Diesel Engine Co., Ltd.
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Product DescriptionSpecificationTechnical SpecificationsSeries490D490ZDBasic engine type4-storkes,water-cooled, inlinePrime Power/Speed(kw/r/min)21/1500 , 24/1800, 36/300030/1500, 33/1500,50/3000SystemNaturalTurbochargedNumber of cylinders4Stroke(mm)90*100Compression ratio18:01Firing order1-3-4-2Fuel consumption at(g/kw.h)≤251.2≤245.2Total displacment(L)2.544StyleForced Water CooledDirection of crankshaft rotationCounterclockwise(viewed from the power output end)TypeFully forced pressure feed typeElectronic systemElectricalstartingNet weight( kg)205220CRANKSHAFTCYLINDER BLOCKCrankshaft: Nitrided, high-strength forged, with excellent wear resistance.Proprietary CNC machining, high-strength materials, and rigorous quality control ensure durability and precisionStarting MotorPlease enter the title hereUtilizing 180℃ high-temperature enameled wire, the heat resistance is significantly enhanced. The stator poles, crafted from 10# steel with excellent magnetic conductivity, ensure optimal product performance and stable magnetic field distribution.This mechanical high-pressure diesel pump stands out with its key strengths. Its precision plunger pairs enable accurate high-pressure fuel delivery, boosting combustion efficiency. The heat-treated high-strength alloy pump body withstands 160MPa pressure, ensuring durability. The mechanical adjustment mechanism adapts to various conditions for stable fuel supply, optimizing power and economy. With a pure mechanical design, it operates reliably in harsh environments, reduces maintenance hassle, and cuts costs.FILTERROCKER ARMThe oil filter features high-precision composite filter paper, while the diesel filter is equipped with nano-grade filtration material. Both ensure exceptional filtering accuracy and are encased in corrosion-resistant shells, effectively extending service life and replacement intervals.Using segmented quenching technology, this rocker arm precisely treats different parts. Critical stress points reach HRC58 - 62 for high wear resistance and anti-deformation, while non-stressed areas stay tough to prevent fractures. With a balance of strength and flexibility, it maintains stable performance during high-frequency swings, offering 40% longer lifespan than traditional ones, ensuring reliable support for engine valve systems.
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