Heavy-Duty Industrial Gears

What Are Heavy-Duty Industrial Gears?

Heavy-duty industrial gears are large power transmission components designed for high-load, medium-to-low speed and high-torque applications. Unlike precision gears used in robotics, these gears prioritize torque capacity, wear resistance and operational longevity. They are core drivetrain components in mining equipment, wind turbines, cranes and marine propulsion systems.
Oblique view of a spur sun gear with an internally splined bore
Heavy-Duty Industrial Sun Gear

Why Choose GTIT Heavy-Duty Gears?

With over 18 years of gear manufacturing experience, GTIT handles forging and machining of heavy-duty gears in-house. This vertical integration gives us full control over material quality and gear geometry accuracy — critical factors that determine service life under extreme operating conditions.

Key Specifications

Diameter range: ⌀8 mm – ⌀600 mm (core heavy-duty range ⌀100–600 mm; smaller transmission gears also available) Precision grade: DIN ISO 1328 Grade 5–8 (equivalent to AGMA Q9–Q12) Materials: 42CrMo · 20CrMnTi · 18CrNiMo7-6 Heat treatment: Quenching & tempering, carburizing, nitriding Surface treatment: Phosphating, zinc plating, hard chrome plating, electroless nickel plating (plating mainly applied to non-toothed mounting surfaces)

Applications:

Industrial Machinery · Wind Power · Mining Equipment · Cranes & Lifting Systems · Marine Equipment · Material Handling

FAQ:

Q: What is the maximum diameter you can machine?A: Up to ⌀600 mm for internal ring gears and external spur/helical gears.
Q: Do you provide material certifications?A: Yes. Every order includes material certificates, heat treatment records and full dimensional inspection reports.