Horsburgh & Scott has over 130 years of engineering expertise in high torque, large gear drive systems. They use the world’s most advanced gear cutting equipment and can duplicate virtually any gear geometry up to 24ft (7.3m) in diameter and 287 in. They offer grinding to AGMA Class 14, heat treating and carburzing up to 50,000lbs (22,000kg), and induction hardening to 5m in diameter or 30,000lbs (13,000 kg). H&S excels where precision matters, able to meet quality measurements to within 2 microns.
- Sophisticated tools and practices to follow rigorous standards, including AGMA, ISO 9001:2015
- Gear cutting (AGMA class 10)
- Gear grinding (AGMA class 14)
- Zeiss Coordinate Measuring Machine (4 x 4 x 2m) within 2 micron accuracy
- Ultrasonic testing (UT), Mag Particle testing (MT), Visual testing (VT), and Penetrant testing (PT)
- On-board lead & involute checking
- Specialized metallurgical testing for heat treat
- Nondestructive testing (NDT)

Custom gear solutions for:
- Metals
- Mining
- Pumps
- Sugar
- Oil & Gas
- Cement
- Agriculture
- Wind Energy
- Tire & Rubber
- Power Generation
- Transportation
- Wind Infrastructure
- General Industrial
Replacements and Spare Parts
- Gearing Elements
- Lubrication system components
- Bearings
- Sub assemblies
- Gear inspection