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Cummins Offers Sulfur Tolerance Kit For Tier 4 Engines

Posted on December 23, 2013

Cummins Inc. announced that the company will offer a Sulfur Tolerance Kit, allowing export of used Tier 4 Interim and Tier 4 Final equipment into regions where ultra-low sulfur diesel (ULSD) is not available. The kit is intended to allow an engine to be operated on fuels containing far more sulfur than ULSD. This enables a second life for the engine outside of North America and Europe, Cummins said.

“Our number one goal at Cummins is meeting and exceeding expectations of our global customer base,” said Hugh Foden, Cummins executive director – Off-Highway Business. “This means we must make our engines flexible, capable of operating anywhere, anytime.

“The introduction of the Sulfur Tolerance Kit allows customers to sell used                  Tier 4-powered machines into a non-emissionized country – helping to retain its resale value and ensuring that the next owner will experience the reliability and durability that customers have come to expect from Cummins.”

The Cummins Sulfur Tolerance Kit is intended to provide options to operators and dealers who may ultimately sell Tier 4 powered equipment in the used market, offering flexibility in the regions into which they deliver the equipment.

Tier 4 Interim and Tier 4 Final engines require the use of ULSD to reduce particulate matter, soot and sulfur dioxide in order to meet emissions regulations in North America and Europe. ULSD is not widely available outside of those regions.

The Sulfur Tolerance Kit includes new engine calibrations and hardware engineered to protect the engine and exhaust aftertreatment from the negative effects of higher-sulfur fuel blends. The kit is intended for used engines that are exported into non-regulated regions, Cummins said.