§ 1037.665 Production and in-use tractor testing.

Manufacturers with annual U.S.-directed production volumes of greater than 20,000 tractors must perform testing as described in this section. Tractors may be new or used.

(a) The following test requirements apply for model years 2021 and later:

(1) Each calendar year, select for testing three sleeper cabs and two day cabs certified to Phase 1 or Phase 2 standards. If we do not identify certain vehicle configurations for your testing, select models that you project to be among your 12 highest-selling vehicle configurations for the given year.