Autos

EVERY TON.
TM

QSK78

For Mining ApplicAtions

FoR MINING APPlIcAtIoNS.
Ratings
EnginE Model AdvErtisEd hp (kW) @ rpM PEAk torquE lb-ft (N•M) @ rpM r At i n g t y p e

QSK78 35003500 (2610) @ 1900 10,157 (13,771) @ 1500 IntermIttent

Additional ratings may be available. Check with your Cummins distributor or dealer.

Performance.
Whether you are mining copper in theAndes or oil sand in Alberta, the Cummins QSK78 provides the optimal combination of productivity and performance in the world’s largest class of haul trucks. It incorporates the best features of our QSKSeries engines, including advanced combustion technology and robust base engine components. Electronically programmable parameters let you customize engine performance to match the equipment, theenvironment and operator requirements. Plus, the QSK78 comes with standard features like ELIMINATOR,™ CENTINEL™ and Prelub, which help eliminate downtime for routine maintenance and lengthenlife-to-overhaul. Put that together with exceptional fuel efficiency, and you have the lowest cost per ton of any engine in its class.

Specifications
engIne type ASpIrAtIon dISplACement bore And StroKe oIlSyStem CApACIty CoolAnt CApACIty length wIdth heIght dry weIght wet weIght 60° Vee 18-CylInder two-StAge turboChArged, InterCooled And AfterCooled 4,735 Cu In 6.69 In x 7.48 In 304 u.S. Qt 236 u.S. Qt 131In 65.5 In 95.6 In 23,810 lb 24,912 lb 77.6 lIterS 170 mm x 190 mm 288 lIterS 224 lIterS 3327 mm 1663 mm 2429 mm 10,800 Kg 11,300 Kg

Features And Benefits.
■ One-piece cast-iron cylinder blockdesigned to absorb dynamic internal forces. Wide cylinder spacing allows for multiple full-life overhauls. ■ Integrated fuel plumbing, metric flat-faced O-ring seals for sensors and ports, andedge-molded gaskets reduce the opportunity for fluid leakage. ■ Heavy-duty front gear train modified from the proven QSK60 design has low gear loading and high fatigue strength for dependable service. ■...