Hyundai and Cum­mins de­velop elec­tric mini ex­ca­va­tor

PMV Middle East - - CONTENTS -

Cum­mins Inc and Hyundai Con­struc­tion Equip­ment (HCE) have jointly de­vel­oped an elec­tric pow­ered mini ex­ca­va­tor. Pow­ered by Cum­mins BM4.4E flex­i­ble bat­tery mod­ules (4.4 kwh each), the 3.5-ton ex­ca­va­tor is de­signed to op­er­ate for a full eight-hour shift and charge in un­der three hours. The ma­chine elim­i­nates all gaseous emis­sions and sub­stan­tially re­duces noise, mak­ing it suitable for ur­ban and sub-ur­ban con­struc­tion.

The ex­ca­va­tor con­tains eight BM4.4E mod­ules con­nected to­gether in a se­ries string to pro­vide a to­tal en­ergy of 35.2 kwh. Mounted in the base of the ex­ca­va­tor, the Cum­mins­de­signed and built bat­tery mod­ules uti­lize Li-ion tech­nol­ogy to achieve a higher en­ergy den­sity and pro­pri­etary con­trol tech­nol­ogy to main­tain the bat­tery state-of-charge for a longer zero emis­sion range. The mo­du­lar de­sign al­lows the sys­tem to be built up and aligned to the duty cy­cle of the ex­ca­va­tor.

D. S. Kim, se­nior ex­ec­u­tive vice pres­i­dent & CTO, HCE, said: “As elec­tric ve­hi­cles con­tinue to ex­pand their share in the au­to­mo­tive mar­ket, we are si­mul­ta­ne­ously see­ing the elec­tri­fi­ca­tion of com­mer­cial power sys­tems be­ing pur­sued by many as both an en­vi­ron­men­tally friendly and eco­nom­i­cally sus­tain­able so­lu­tion for con­struc­tion equip­ment. HCE an­tic­i­pates mini excavators, which op­er­ate in ur­ban work­places close to res­i­den­tial ar­eas, will be a prime can­di­date to elec­trify to meet zero-emis­sion and low noise re­quire­ments in the near fu­ture.”

Julie Furber, ex­ec­u­tive di­rec­tor – elec­tri­fied power, Cum­mins, said: “This elec­tric pow­ered mini ex­ca­va­tor com­bines the strengths of HCE’S ver­sa­tile ex­ca­va­tor with Cum­mins’ lithium ion bat­tery so­lu­tions and ma­chine in­te­gra­tion ex­per­tise. We will­con­tinue to part­ner with com­pa­nies like HCE to de­sign and test the in­dus­try’s lat­est tech­nolo­gies.”

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