b'MEMBER NEWSMAN Introduces Second-GenerationCommon Rail Injection SystemM ANEnergySolutionshasIt is initially being introduced via theimproved performance and increased announcedanewgenera- MAN 49/60DF engine. robustness compared to its predeces-tion of its common rail in- sor and has already successfully accu-jection system for its medium-speed,MAN Energy Solutions reports thatmulated over 30,000 engine test hours four-strokeportfolio.TheCR2.2CR 2.2 can boast of up to 38 percentrunning on DMA and HFO.common-railfuel-injectionsystemincreased rail-pressure for all applica-will eventually replace its CR 1.6 pre- tions,andover33percentincreasedCR2.2featuresanincreasedsystem decessor and builds on its experience,targettime-between-overhaulinter- pressure up to 2,200 bar to comply with allowingaverypreciseandflexiblevals for most components. The CR 2.2future emission limits. An electronical-control of injection pressure, timing,system features some 35 percent fewerly controlled injector including an accu-and duration throughout engines en- high-pressure connections, meaning amulator enables flexibility with multi-tire operating ranges. Engine perfor- significantly reduced risk of leakagespleinjectionsandmaximumstability mance, emissions, and fuel consump- and greater service-friendliness. duringaninjectionevent.Areduced tion can be optimized accordingly. modulardesignforsimplifiedservice AlexanderKnafl,seniorvicepres- allows the maximum free space for en-StefanEefting,seniorvicepresidentident,headofengineeringR&Dgine maintenance. It is a platform for a andheadofMANPrimeServGer- four-stroke, MAN Energy Solutions,broad variety of fuels including HVO many,said:Thisnewcommon-railsaid:Common-rail2.2bringsmul- and FAME. CR 2.2 also offers lower generationintegratestheexperiencetiple benefits for engines and enginefuel-oilconsumption,sootemissions, and lessons learned from the previousperformance, including reductions inmechanical load to the engine (due to CR generation. A key development isfuelconsumption,emissions,vibra- thereducedpressure-risegradientsin that we have reduced our dependencytionsandnoise.Ingeneral,itoffersthe cylinder), vibration, and noise.on sub suppliers and brought produc-tion completely in-house, whichin dispensingwithexternalpartnersgreatly simplifies the technical side of things for us. The result is a proven,RELIABILITY DEALERDIGITALmodularsystemthatcaneasilybeSUPPORT SERVICESadapted to different engine sizes.ALLOWING PROMOTING DIGITAL SERVICES YOU TO FOCUSOPERATIONAL WHICH PROMOTE ON YOUREFFICIENCY AND FLEET MONITORING The new CR 2.2 generation is basedCUSTOMERS HIGHER UPTIME GRANTING YOU MORE EFFICIENT on the CR 1.6s extensive field expe- OPERATIONSrience running over 17 years on over 500 engines and 5,000 cylinders, rep-resenting more than 17,800,000 accu-mulated operating hours in different applications and fuels. Its core com-ponentscompriseanoptimizedandREADY TO SUPPORT YOUR OPERATION WITH A WIDEuniformhigh-pressurepumpandaRANGE OF PROPULSION ENGINES AND GENERATOR SETSnewly developed injector, integratingFor more information, contact your local Cat dealer.the CR 1.6 valve group and making the entire system setup more coherent. 2024 Caterpillar. All Rights Reserved. CAT, CATERPILLAR, LETS DO THE WORK, their respective logos, Caterpillar Corporate Yellow, the Power Edge and Cat Modern Hex trade dress as well as corporate and product identity used herein, are trademarks of Caterpillar and may not be used without permission.57 SEPTEMBER 2024'