NAICS 3336

Engine, Turbine, & Power Transmission Equipment Manufacturing

NAICS 3336: Engine, turbine, and power transmission equipment manufacturing. Overview of US manufacturers of engines, turbines, and power transmission systems.

Published by VantaInsights Research·Methodology·Data Sources· AI-drafted
Built on data from Census Bureau CBP Bureau of Labor Statistics Federal Reserve FRED SEC EDGAR

Industry at a Glance

Sector-wide aggregates across all businesses classified under NAICS 3336 (2017 classification frame). For specific sub-industries within this sector, see the individual reports below.

Employment
96K
US Census CBP · 2023 · NAICS 2017
Establishments
899
US Census CBP · 2023 · NAICS 2017
Annual Payroll
$7.8B
US Census CBP · 2023 · NAICS 2017
Avg Annual Wage
$80,745
Derived from US Census CBP · 2023 · NAICS 2017
Market Size
$49.7B
US Census Economic Census · 2022 · NAICS 2017

Industry Overview

NAICS 3336 encompasses the manufacturing of engines, turbines, and power transmission equipment, representing a critical segment of the machinery manufacturing sector. This industry group includes manufacturers of internal combustion engines, steam turbines, hydraulic turbines, gas turbines, and associated power transmission components such as gearboxes, speed changers, and mechanical power transmission equipment. These products serve as essential inputs across numerous industries, including power generation, transportation, mining, construction, and industrial machinery applications, making this sector fundamental to economic productivity and infrastructure development.

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Industry Trends

01

Increasing demand for renewable energy systems is driving development of wind turbine generators and hydroelectric turbine systems, reshaping the industry's product portfolio toward sustainable power generation.

02

Electrification of transportation and industrial equipment is creating pressure for advances in electric motor integration and hybrid power transmission systems, forcing traditional engine manufacturers to diversify.

03

Manufacturers are investing heavily in advanced materials, precision manufacturing technologies, and digital controls to improve efficiency, reduce emissions, and meet increasingly stringent environmental regulations.

04

Supply chain localization and nearshoring efforts are accelerating as companies seek to reduce dependence on overseas sources and improve responsiveness to North American markets.

05

Industry 4.0 adoption, including IoT sensors, predictive maintenance analytics, and digital twins, is transforming manufacturing processes and enabling remote monitoring of equipment performance in the field.

Specialty Reports Available on Request

4 specialty industriesavailable on request
▾
Turbine & Turbine Generator Set Units Manufacturing
333611View →
Speed Changer, Industrial High-speed Drive, & Gear Manufacturing
333612View →
Mechanical Power Transmission Equipment Manufacturing
333613View →
Other Engine Equipment Manufacturing
333618View →

Industries

Browse deeper into the NAICS hierarchy.

333610 reports

Engine, Turbine, & Power Transmission Equipment Manufacturing

Frequently Asked Questions

What is NAICS 3336? ▾
NAICS 3336 is the classification for manufacturing facilities that produce engines, turbines, and power transmission equipment. This includes internal combustion engines for vehicles and stationary applications, steam and gas turbines for power generation, hydraulic turbines, and mechanical power transmission components like gearboxes and clutches. The products manufactured in this classification serve as critical components in power generation, transportation, industrial machinery, and numerous other applications across the economy.
What are the primary end markets for NAICS 3336 products? ▾
NAICS 3336 products serve diverse industries including electric power generation utilities, petroleum refining, chemical manufacturing, marine transportation, aerospace, agricultural equipment, construction machinery, and mining operations. Power generation remains a substantial market segment, though demand is increasingly shifting toward renewable energy applications and emission-reduction technologies. Industrial equipment manufacturers and vehicle manufacturers are also major customers for engines and power transmission components.
How is the industry responding to environmental regulations? ▾
Manufacturers are investing in cleaner combustion technologies, alternative fuel engines (including hydrogen and natural gas variants), and hybrid-electric power systems to meet EPA emissions standards and customer sustainability requirements. Many companies are simultaneously developing renewable energy equipment such as wind turbine generators and expanding capabilities in electric motor technology. Regulatory pressure is driving both product development and manufacturing process improvements to reduce environmental impact.
What skills and qualifications are most valuable in this industry? ▾
The industry prioritizes mechanical and electrical engineers, manufacturing technicians, precision machinists, and quality assurance specialists with expertise in mechanical design, thermodynamics, and materials science. Technical certifications in CNC machining, CAD software proficiency, and understanding of power transmission systems are highly valued. As the industry adopts digital technologies, skills in data analytics, predictive maintenance programming, and industrial IoT systems are increasingly in demand.
What capital requirements and barriers to entry exist in NAICS 3336? ▾
The sector presents moderate to high barriers to entry due to substantial capital requirements for manufacturing facilities, specialized tooling, and quality assurance systems. R&D investment is significant for engine and turbine development, and regulatory compliance costs for emissions and safety standards are substantial. However, opportunities exist for specialized component manufacturers and firms focusing on niche markets or emerging technologies with lower entry costs than prime manufacturers.

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