United States - Relative Importance Weights (Contribution to the Total Industrial Production Index): Manufacturing: Durable Goods: Heavy Duty Truck (NAICS = 33612) was 0.15% in March of 2024, according to the United States Federal Reserve. Historically, United States - Relative Importance Weights (Contribution to the Total Industrial Production Index): Manufacturing: Durable Goods: Heavy Duty Truck (NAICS = 33612) reached a record high of 0.32 in July of 1991 and a record low of 0.02 in April of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Relative Importance Weights (Contribution to the Total Industrial Production Index): Manufacturing: Durable Goods: Heavy Duty Truck (NAICS = 33612) - last updated from the United States Federal Reserve on April of 2024.