Johnson Matthey's Continuously Regenerating Technology (CRT) particulate filter, previously verified by the California Air Resources Board (CARB) for DDC Series 50 and 60 engines, is now CARB-verified for all 1994 and newer four-stroke heavy-duty diesel engines.
CARB verification has been obtained for all horsepower ratings of these 1994-2001 engines:
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Caterpillar 3116, 3126, 3176, 3306, 3406, C10, C12, C15, and C16
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Cummins L10, M11, N14, ISB, ISC, ISM, ISX, Signature, B Series, and C Series
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Detroit Diesel Series 50 and 60
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International T444, DT 466, 530, and 7.3 DIT
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Mack E7 and EM7
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Volvo VE D7 and VE D12