Caterpillar announces SCR-equipped Tier 4 Final equipment

Christopher Goodfellow - 23 March 2011

Caterpillar displayed its first Tier 4 Final compliant vehicles at the CONEXPO-CON/AGG 2011 show in Las Vegas, including the 775G Quarry & Construction Truck and the C1.5 engine.

Tana Utley, Caterpillar Vice President and Chief Technology Officer, said: "The Caterpillar approach to Tier 4 product development is to make emissions solutions transparent to customers while improving the overall machine value. Our design process enables us to tailor technology solutions to meet our customer and regulatory requirements."

Selective Catalytic Reduction (SCR) will be used on "some portion" of the company's Tier 4 Final product range.

The Environmental Protection Agency's Tier 4 Final emissions standards will apply to off road vehicles from 2014, reducing particulate matter emissions to 0.02 g/kW-hr and oxides of nitrogen (NOx) to 0.40 g/kW-hr.

Emissions analyst Integer Research has released a Focus Report: SCR and the Non-Road Mobile Machinery (NRMM) Market, which gives further details on the off-highway sector and the impact of new emisions regulations.

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