Dizilo Injector Fuel Injector 0445120125 Bosch ya CUMMINS QSL9 ( 8.9 LTR) ENGINE. (SI 4 YOTSIRIZA/SIGWEJI IV)

 Mwachidule:

Kwa US Environmental Protection Agency (EPA) Tier 4 Final ndi EU Stage IV malamulo otulutsa mpweya pafupi ndi zero omwe ayamba kugwira ntchito mu 2014, Cummins ili ndi yankho laukadaulo lomwe lili ndi zabwino zomveka pamtundu uliwonse wa zida.

Pomwe opanga ena amatulutsa makina awo otulutsa mpweya, Cummins amapanga athu. Kuphatikizika kwathunthu kwa injini ndi makina otulutsa mpweya kumatithandiza kukulitsa chuma chamafuta kuposa 5 peresenti'ndapindula kale ndi injini za Tier 4 Interim, ndikukwaniritsa zotulutsa pafupifupi ziro nthawi yomweyo.

Ma injini a QSL9 adavoteledwa pa 250-400 hp (186-298 kW) pa Gawo 4 Final. Ili ndi kukana kutentha komweko monga ma injini a Tier 4 Interim, kotero pali zochepa, ngati zilipo, zimakhudza phukusi lozizira. QSL9 imaphatikiza mphamvu zapamwamba kwambiri ndi zopondaponda zophatikizika, imodzi mwamagawo abwino kwambiri amphamvu ndi kulemera mkalasi yake.

Injiniyi imagwiritsidwa ntchito mumitundu yonse ya zida zomangira, kuphatikiza zofukula, ma crane, zonyamula mawilo, ma compactor, ma air compressor ndi zida zogwirira ntchito monga ma forklift olemera ndi magalimoto onyamula ziwiya. Nthawi zambiri amapezeka m'mathirakitala aulimi ndi opopera mbewu mankhwalawa, komanso ma tchipisi ndi ma bunchers pamsika wodula mitengo.

Kukweza konse kwa magwiridwe antchito kuchokera ku Tier 4 Interim adaphatikizidwa mu injini za Tier 4 Final, ndipo ife'kukulitsanso kutulutsa kwa torque, kufikira 1200 lb-ft (1627 N•m) kwa QSL9.