OEM No/Model: Standard
Cummins QSF2.8 Diesel Engine
The 2.8-liter QSF delivers performance at 74 hp (55 kW), which is comparable to that provided by larger engines up to 3.6 liters, in an envelope size that's similar to 2.2-liter engines used at 49 hp (37 kW). High Pressure Common Rail (HPCR) fuel injection, together with full-authority electronic controls and a Cummins wastegated turbocharger, combine to deliver a very impressive peak torque of 221 lb-ft (300 Nm).
This advanced technology enables the QSF2.8 to meet the near-zero emissions standards of Tier 4 Final/Stage IV using only cooled Exhaust Gas Recirculation (EGR) and our proprietary Diesel Oxidation Catalyst (DOC). The same QSF2.8 engine without the DOC meets Tier 3/Stage III emissions regulations for regions where those standards apply.
The DOC is truly "fit and forget" technology - a totally passive system that never needs any form of regeneration as required by a Diesel Particulate Filter (DPF). It also gives equipment designers the flexibility to mount components separately from the exhaust muffler or as part of a combined catalyst-and-muffler unit. Specifically designed for compact 4-cylinder applications, the CCC benefits from Cummins Emission Solutions' vast experience with DOC technology.
The compact design of the QSF2.8 includes our proprietary Direct Flow air cleaner, which takes up significantly less space than conventional cylindrical air filters, and has enhanced dust-holding capacity, for longer service intervals.
Innovative use of composite materials, together with a sculptured cast-iron block, give the QSF2.8-powered equipment a significant weight advantage, at just 507 lb (230 kg).
Maintenance is made simpler through remote mounting of the Electronic Control Module (ECM) for rapid plug-in diagnostics and data downloads using electronic tools such as the QuickCheck 5200. The oil fill, lube filter and fuel filter are set up for rapid service, with 500-hour intervals. Built to Cummins stringent manufacturing standards for use anywhere in the world, the QSF2.8 is smaller, stronger and simpler by design than any other engine with this output - while retaining legendary reliability and durability. In other words, it is better in every dimension.
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