Cargotec tests Agco Sisu 2011 compliant engines

By Steve Skinner10 July 2009

Agco Sisu Power tests its 2011 compliant engines in a Cargotec Kalmar straddle carrier

Agco Sisu Power tests its 2011 compliant engines in a Cargotec Kalmar straddle carrier

Cargotec's port handling division Kalmar has been testing Agco Sisu Power 2011 compliant engines on its straddle carriers.

Diesel engine manufacturer Agco Sisu's decision to take the selective catalytic reduction (SCR) route to Tier 4 Interim/Stage IIIB emissions compliance suits the high work rates and fuel consumption of straddle carriers. In addition, the base engine does not need modification, meaning installation is the same as with its Tier 3/Stage IIIA engines.

"The space has to be arranged for the diesel oxidation and SCR catalysts which typically represent 50% and double that of the engine displacement, respectively," said Juha Tervala, marketing director at Agco Sisu Power.

"With no need for a muffler, the SCR catalyst fits in its place, so the space demands are not catastrophic," Tervala told IC. "We've also been able to add the urea tank to the fuel tank, and due to reduced fuel consumption, we've not had to create any additional space for that."

The alternative to SCR is exhaust gas recirculation (EGR) with a diesel particulate filter (DPF). It is less advantageous, in this case, because fuel consumption is greater than with the SCR solution. SCR, however, is more complicated and expensive to install and end users have to factor in the purchase and storage of urea for injection into the catalyst.

Agco Sisu Power has also been testing its 2011 complaint engines with Russian partner Concern Tractor Plant, a manufacturer of construction and forestry equipment.

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