North American Product Classification System (NAPCS) Canada 2017 Version 1.0
- 412 - Medium and heavy trucks, buses, and other motor vehicles
- 41211 - Medium and heavy-duty trucks
- 412112 - Heavy-duty trucks, and chassis for heavy-duty trucks and buses
- 4121121 - Heavy-duty trucks
- 4121122 - Chassis for heavy-duty trucks and buses
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