Perkins has completed its line-up of four-cylinder engines for Tier 4 Final/Stage IV with the introduction of the 854F-E34TA – the latest in its 800 Series range. The compact, four-cylinder, 3.4litre engine incorporates specially developed SCR technology for the first time. Packaged separately from the DOC module, it can be mounted in either a horizontal or vertical position, giving OEMs of compact machinery greater installation flexibility in the engine bay.
The compact, four-cylinder, 3.4litre engine incorporates specially developed SCR technology for the first time.
Packaged separately from the DOC module, it can be mounted in either a horizontal or vertical position, giving OEMs of compact machinery greater installation flexibility in the engine bay.
Space saving is further enhanced through the absence of a diesel particulate filter, afforded by the introduction of a four-valve cylinder head and an increase in the common rail fuel pressure to 1800bar.
Performance from the 854F-E34TA has been boosted to 90kW, while maximum torque is 460Nm helped by a single stage turbo with wastegate. Rated speed is between 2,200 and 2,500rpm.
The uplift in performance has not come at the expense of fuel consumption said Perkins, and the 8% improvement in specific fuel consumption previously gained at by the 800 Series at Stage IIIB/Tier 4i has been retained.
Heat rejection remains similar to its predecessor, meaning no major changes to the size of the cooling pack, which helps to maintain the power unit’s overall compact dimensions.
Stand: A4/316
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