Gearbox Repair Specialist
Horsburgh & Scott Gearbox Repair & Rebuild
Expert Horsburgh & Scott gear drive repair for steel mills, mining, and heavy industry. IMR rebuilds all H&S drive types with full in-house machining and gear cutting.
The Horsburgh & Scott Specialist in the Midwest
Expert Horsburgh & Scott gear drive repair for steel mills, mining, and heavy industry. IMR rebuilds all H&S drive types with full in-house machining and gear cutting.
Horsburgh & Scott gear drives are built for the most demanding heavy industrial applications — steel mills, mining, and cement plants. IMR has the large-capacity machining and in-house gear cutting capability to rebuild H&S units to original specifications, including obsolete and legacy drives.
Horsburgh & Scott Units We Rebuild
We work on the full range of Horsburgh & Scott equipment — from legacy units to current production models.
Our Horsburgh & Scott Rebuild Process
Every Horsburgh & Scott rebuild follows a documented process — from teardown through load test. No shortcuts, no guesswork.
Teardown & Inspection
Complete disassembly with photographic documentation. Every gear, bearing, shaft, seal, and housing is inspected and measured against OEM specifications.
Failure Analysis
We identify the root cause — not just the symptom. Overloading, misalignment, lubrication failure, contamination, and fatigue are all documented before rebuild begins.
Precision Machining
Worn bores are re-machined to OEM tolerances. Shafts are repaired or replaced. Housings are cleaned, inspected for cracks, and restored to spec.
Component Replacement
Worn or damaged components are replaced — gears cut in-house to AGMA standards, bearings and seals replaced with OEM-equivalent or upgraded parts.
Assembly
Rebuilt units are assembled to OEM torque specs with fresh lubricant and new seals throughout.
Load Testing
Every major rebuild is load-tested on our 500 HP test stand. Vibration, temperature, and flow are verified before shipment.
Industries We Serve
Horsburgh & Scott equipment is found in the most demanding industrial environments. We've rebuilt units for operations across every major heavy industry — often under emergency turnaround conditions.
View All IndustriesWhy Industrial Machine Rebuilders
50 years rebuilding Horsburgh & Scott equipment. In-house machining. 36-month warranty. One shop that does it all.
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Have a Horsburgh & Scott Unit That Needs Attention?
Send us the model number and a description of the failure. We'll confirm capability and turnaround — usually same day.