Cummins Inc. announces that the QSK95 engine will provide a 4,000 hp (2,983 kW) capability for ultra-class mine haul trucks, representing the highest-ever power output introduced by the company for severe duty-cycle operation.
- Features 95 liter displacement and 16 cylinders
- Provides enhanced strength for 360 ton and 400 ton (327 and 363 metric ton) payload class trucks
- Capable of increasing truck speeds for climbing steep-gradient haul roads and boost hauling productivity with reduced operating cycle times
- Meets all emissions standards, including Tier 4 Final in North America, by using Cummins Selective catalytic reduction (SCR) aftertreatment
- Hardened power cylinder featuring strong single-piece forged-steel piston enables high power density
- Deep structural strength is provided by a ductile iron skirted block
- Increase in strength contributes to higher engine uptime availability, extended life-to-overhaul and more cost-effective rebuilds
- Offers reliabile in-service and less rebuild at engine overhaul, reducing total life cycle costs
- Capable of achieving 1.7 million gallons and above of fuel consumed before rebuild, with added advantage of no midlife intervention required
- Modular Common-Rail System (MCRS) enables high fuel-efficiency, even when operating at maximum power output
- With up to 2200-bar high-pressure fuel injection, MCRS reduces noise, offers smooth idle stability and eliminates visible smoke
- NanoNet fuel filtration provides fuel cleanliness and enhances durability of MCRS system
- Quad-turbocharging system brings simplicity of single-stage air handling system
- Four compact turbochargers, one arranged for each bank of four cylinders, provide step-load acceptance and transient response to deliver more rapid power
- Provides faster and easier servicing procedures, with simple access to all cooling, oil and fuel system maintenance points
- Service intervals are a minimum of 500 hours
- Features option of using ELIMINATOR oil purification system, mounted on engine, for extended oil change intervals
- Offers leak-free capabilities with “press-in-place” seals on all critical joints
- Special perimeter seal to cylinder head guarantees airborne debris cannot penetrate this critical sealing interface
- Advanced electronics enable custom-calibration for specific duty cycles
- Enables performance to be optimized among fuel consumption, transient response and emissions reduction to suit different haul truck applications
- SCR aftertreatment system features flexible installation package intended to replace exhaust muffler
- Depending on application, SCR system is capable of achieving incremental fuel savings of 5 to 10%
- Eliminates need for Exhaust Gas Recirculation (EGR) system
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