JCB has introduced two additional Stage IIIB-powered wheeled loaders, the 427 and the 437.
Replacing the 426 and 436, the loaders use a Cummins QSB engine, which meets the requirements of Stage IIIB without the need for a diesel particulate filter or selective catalytic reduction (SCR). A variable geometry turbocharger improves response, while an optional five-speed powershift transmission with intelligent clutch cut-off system helps to reduce fuel consumption.
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