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Manufacturer-Run In-Use Testing Program Data for Heavy-Duty Diesel Engines – Test Order Year 2019

This page provides manufacturer-run in-use testing program data from heavy-duty diesel engine manufacturers in compliance with 40 CFR 86 Subpart T. The data have been redacted for Confidential Business Information (CBI) but otherwise are as provided to EPA by the manufacturers.

Manufacturer	Test DataFree Viewers
Cummins	Engine Family GCEXH0408BAP (xlsx) (22.47 MB) Engine Family GCEXH0504LAV (xlsx) (40.57 MB) Engine Family HCEXH0408BAS (xlsx) (23.28 MB)
Detroit Diesel	Engine Family GDDXH12.8FED (xlsx) (49.44 MB)
Ford	Engine Family GFMXH06.7B23 (xlsx) (27.99 MB)
Navistar	Engine Family GNVXH07570SB (xlsx) (35.75 MB)
Paccar	Engine Family HPCRH12.9M02 (xlsx) (49.17 MB)

Manufacturer-Run In-Use Testing Program Data for Heavy-Duty Diesel Engines – Test Order Year 2019

Compliance and Fuel Economy Data