NAICS 336120 - Heavy Duty Truck Manufacturing
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What is NAICS 336120
NAICS code 336120 covers the manufacturing of heavy duty trucks, including their chassis and complete vehicle assembly. This sector includes businesses engaged in producing large commercial trucks, buses, heavy duty motor homes, and other specialized heavy duty motor vehicles intended primarily for highway use. Manufacturers may focus on either the complete vehicle or on producing just the heavy duty truck chassis. Companies in this sector utilize advanced engineering and manufacturing processes to meet stringent safety, environmental, and performance standards. Government agencies contract for these services to procure reliable, durable vehicles essential for transportation, logistics, emergency response, and specialized missions requiring robust and purpose-built heavy duty motor vehicles.
Industry Classification for NAICS 336120
This industry comprises establishments primarily engaged in (1) manufacturing heavy duty truck chassis and assembling complete heavy duty trucks, buses, heavy duty motor homes, and other special purpose heavy duty motor vehicles for highway use or (2) manufacturing heavy duty truck chassis only.
Breakdown for NAICS 336120
- Manufacture of heavy duty truck chassis and complete heavy duty trucks for highway use.
- Includes buses, heavy duty motor homes, and specialized heavy duty motor vehicles.
- Covers both full vehicle assembly and chassis-only manufacturing businesses.
- Typical size standards include firms with up to 1,500 employees.
- Focus on meeting government and commercial safety and environmental standards.
Included Activities for NAICS 336120
- Design and assembly of heavy duty truck chassis and complete vehicles.
- Manufacturing specialized heavy duty buses and motor homes.
- Production of chassis components and truck frames.
- Integration of advanced safety and emission control systems.
- Customization of vehicles for government and commercial applications.
- Testing and quality assurance of heavy duty motor vehicles.
- Maintenance and refurbishment contracts for government fleets.
- Supply chain management for heavy duty vehicle components.
Business Types for NAICS 336120
- Heavy duty truck and chassis manufacturers
- Specialty vehicle assemblers
- Commercial bus manufacturers
- Defense vehicle contractors
- Vehicle component suppliers
- Fleet maintenance and refurbishment providers
Subcategories for NAICS 336120
- Assembly plants, heavy trucks, and buses on chassis of own manufacture
- Buses (except trackless trolley) assembling on chassis of own manufacture
- Chassis, heavy truck, with or without cabs, manufacturing
- Garbage trucks assembling on chassis of own manufacture
- Heavy trucks assembling on chassis of own manufacture
- Highway tractors assembled on chassis of own manufacture
- Motor homes, self-contained, mounted on heavy truck chassis of own manufacture
- Special purpose highway vehicles (e.g., firefighting vehicles) assembling on heavy chassis of own manufacture
- Tractors, truck for highway use, assembled on chassis of own manufacture
- Truck tractors for highway use, assembling on chassis of own manufacture
- Trucks, heavy, assembling on chassis of own manufacture
Government Buyers for NAICS 336120
Federal, state, and local government agencies procure heavy duty trucks for a variety of uses including military logistics, public transportation, emergency services, and infrastructure maintenance. Agencies such as the Department of Defense, Department of Transportation, and state Departments of Motor Vehicles often purchase these vehicles to fulfill operational requirements that demand high-performance, specialized, and durable heavy duty trucks. These vehicles support critical government missions including troop transport, firefighting, utility services, and public transit, making reliable manufacturing partners essential for government procurement.
Contract Types & Procurement for NAICS 336120
Contracts in this sector commonly include firm-fixed-price, cost-reimbursement, and indefinite delivery/indefinite quantity (IDIQ) contracts. Procurement methods often involve competitive bidding, requests for proposals (RFPs), and simplified acquisitions, depending on the contract size and urgency. Typical contract values can range from several hundred thousand to multi-million dollar agreements, especially for large fleet purchases or specialized vehicle configurations. Long-term contracts and multi-year procurement agreements are also prevalent to support ongoing fleet maintenance and upgrades.
Details for NAICS 336120
Explore the hierarchy and related codes for this industry
| NAICS Code | Industry Title |
|---|---|
| 33612 | Heavy Duty Truck Manufacturing |
| 3361 | Motor Vehicle Manufacturing |
| 336 | Transportation Equipment Manufacturing |
| NAICS Code | Industry Title |
|---|---|
| 336110 | Automobile and Light Duty Motor Vehicle Manufacturing |
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