SIC 3711 — Motor Vehicles and Passenger Car Bodies
Official OSHA SIC Manual Definition
Establishments primarily engaged in manufacturing or assembling complete passenger automobiles, trucks, commercial cars and buses, and special purpose motor vehicles which are for highway use. This industry also includes establishments primarily engaged in manufacturing chassis and passenger car bodies. Such establishments may also manufacture motor vehicle parts, but establishments primarily engaged in manufacturing motor vehicle parts except chassis and passenger car bodies are classified in Industry 3714. Establishments primarily engaged in manufacturing truck and bus bodies and in assembling them on purchased chassis are classified in Industry 3713; those manufacturing motor homes on purchased chassis are classified in Industry 3716; those manufacturing motorcycles are classified in Industry 3751; those manufacturing industrial tractors are classified in Industry 3537; those manufacturing other wheel tractors, except contractors off-highway types, are classified in Industry 3523; those manufacturing tracklaying and contractors'off-highway type tractors are classified in Industry 3531; those manufacturing combat tanks and self-propelled weapons are classified in Industry 3795; and those manufacturing stamped body parts for passenger cars are classified in Industry 3465.
Description & Classification
SIC code 3711 representing 'Motor Vehicles and Passenger Car Bodies' is an industry category in the Standard Industrial Classification (SIC) system under U.S. OSHA and Federal procurement registers.
Modern NAICS Crosswalk
Trace the modern equivalent classifications in the 2022 North American Industry Classification System (NAICS) database:
- NAICS 336992 - Military Armored Vehicle, Tank, and Tank Component Manufacturing (via SIC1987:3711→NAICS1997:336992→2002:336992→2007:336992→2012:336992→2017:336992→2022:336992)
- NAICS 336120 - Heavy Duty Truck Manufacturing (via SIC1987:3711→NAICS1997:33612→2002:336120→2007:336120→2012:336120→2017:336120→2022:336120)
- NAICS 336211 - Motor Vehicle Body Manufacturing (via SIC1987:3711→NAICS1997:336211→2002:336211→2007:336211→2012:336211→2017:336211→2022:336211)
- NAICS 336110 - Automobile and Light Duty Motor Vehicle Manufacturing (via SIC1987:3711→NAICS1997:336112→2002:336112→2007:336112→2012:336112→2017:336112→2022:336110)
Classification Details
| SIC Code | 3711 |
|---|---|
| Industry Title | Motor Vehicles and Passenger Car Bodies |
| Division | Division D: Manufacturing |
| Major Group | Major Group 37: Transportation Equipment |
| JSON Endpoint | View as JSON · API → |
| Source / Verified | US Census 1987 SIC Concordance / 2026-08-08 |
SIC vs NAICS Compliance & Common Mismatches
Legacy SIC code 3711 classifies commercial operations based on primary end-product or service output under the 1987 federal framework. In contrast, modern 2022 NAICS codes group establishments based on production process inputs.
When submitting public disclosures to SEC EDGAR or determining OSHA workplace safety log recordkeeping exemptions (29 CFR Part 1904), rely strictly on the official OSHA 4-digit SIC classification rather than an automated commercial translation.
💡 Expert Guidance: SIC to NAICS Conversion
Common Compliance Mistake: Many contractors and B2B analysts confuse legacy 4-digit SIC codes like 3711 with modern 6-digit NAICS codes. Ensure that you use the correct active 2022 NAICS code (e.g. from the crosswalk below) when submitting representations on SAM.gov, as federal contracting officers only accept modern NAICS codes.
Related Pages & Tools
Further regulatory reference links for legacy SIC code 3711:
- SIC Codes Complete Compliance Guide — Detailed history and active legal applications of the SIC classification framework.
- Why Legacy SIC Codes Persist Guide — How credit systems and the SEC still rely on SIC metadata.
- SIC ↔ NAICS Crosswalk Tool — Trace industrial code conversions dynamically.
- SIC 3711 to NAICS Crosswalk — Bidirectional mapping to modern NAICS codes (Motor Vehicles and Passenger Car Bodies).
- SIC Code for Auto Manufacturing — Standard Industrial Classification mapping details.
- SIC Major Group 37 Hub — View other legacy industries in this business division.
Frequently Asked Questions (FAQ)
What industry sector is represented by legacy SIC code 3711? ▾
Legacy SIC code 3711 represents 'Motor Vehicles and Passenger Car Bodies', categorized under Division Division D: Manufacturing and Major Group Major Group 37: Transportation Equipment. The Standard Industrial Classification (SIC) system was developed in the late 1930s.
What is the modern 2022 NAICS equivalent for legacy SIC 3711? ▾
Legacy SIC code 3711 maps to the modern 2022 NAICS industry classifications: NAICS 336992 (Military Armored Vehicle, Tank, and Tank Component Manufacturing), NAICS 336120 (Heavy Duty Truck Manufacturing), NAICS 336211 (Motor Vehicle Body Manufacturing), NAICS 336110 (Automobile and Light Duty Motor Vehicle Manufacturing). Mappings are resolved transitively across successive updates to handle splits.
Why do credit agencies and banks still reference legacy SIC code 3711? ▾
Registries like Dun & Bradstreet, insurance underwriters, and private platforms retain SIC code 3711 because their historical financial risk data and scoring models are indexed using the legacy 4-digit SIC framework.
Does the SEC EDGAR system allow searching public filings by SIC 3711? ▾
Yes. The SEC Division of Corporation Finance assigns a primary 4-digit SIC code to public companies. You can search the EDGAR database using SIC code 3711 to group reporting peer firms.
How do OSHA safety recordkeeping rules apply to SIC code 3711? ▾
Under 29 CFR Part 1904 safety regulations, OSHA references legacy SIC codes including 3711 to determine if a physical establishment is required to maintain daily injury logs (Form 300) or is partially exempt.
What is the structural difference between SIC 3711 and NAICS codes? ▾
SIC code 3711 classifies establishments based on their final product output or market destination (what they sell), while modern NAICS codes classify them based on production processes and inputs (how they work).
What are the typical business activities classified under legacy SIC 3711? ▾
Typical business activities classified under legacy SIC 3711 are the operations associated with 'Motor Vehicles and Passenger Car Bodies'. Mapped modern NAICS codes can be referenced for specific current examples.
Is legacy SIC code 3711 uniform across all 50 U.S. states? ▾
Yes, the Standard Industrial Classification (SIC) system, including code 3711, was published as a federal standard and remains uniform nationwide. It is still referenced by various state workers' compensation boards and departments of labor.
Sources & References
- U.S. Department of Labor (OSHA): OSHA Standard Industrial Classification (SIC) Manual — Code 3711
- U.S. Census Bureau: 1987 SIC to 2022 NAICS Concordance Tables
- Federal Reserve Board: Industrial Production & Capacity Utilization Classifications
- Internal Revenue Service (IRS): Schedule C Principal Business Activity (PBA) Industry Concordance
- Office of Management and Budget (OMB): Standard Industrial Classification Systems Governance