At Specialty Gear Drives, we specialize in the repair, rebuild, and in-house manufacturing of Rossi gearboxes — from compact gear motors to heavy-duty industrial reducers. Our Timken-certified technicians restore Italian-precision Rossi equipment to better-than-OEM condition, fast and cost-effectively.
All Fields Must Be Filled Out
Rossi Motoriduttori was founded by Gilio Rossi in 1953 as a precision machine shop. The same Italian engineering philosophy that drives Ferrari and Bugatti lives in every Rossi gear unit — and we repair them with matching precision.
From humble beginnings supplying local Italian industry, Rossi has grown into a global provider of gear reducers, gearmotors, and electric motors, serving the most demanding applications across dozens of industries worldwide.
Acquired by Habasit Holding while continuing to produce gear solutions under the Rossi name, the brand maintains its commitment to optimized price-quality ratios and customized solutions for extreme operating environments.
Italian Precision. American-Speed Repair.
Rossi gear drives are built to thrive in the toughest industrial environments — but when variables outside their design parameters intervene, even Italian-precision engineering requires expert repair. Specialty Gear Drives has the tooling, certifications, and in-house manufacturing capabilities to restore any Rossi unit to full performance.
We handle the complete Rossi product range — gear reducers, gearmotors, planetary units, and custom configurations — with the same attention to dimensional accuracy that Rossi’s own engineers in Modena demand. When OEM parts are unavailable, we manufacture them ourselves.
Rossi gearboxes are engineered for extreme environments, but sustained operational stress introduces failure modes that require expert intervention. We identify the root cause before any repair begins.
High-cycle industrial applications cause progressive surface fatigue on Rossi gear profiles. Pitting and spalling worsen rapidly once initiated, requiring immediate intervention to prevent complete tooth fracture.
Overloading and misalignment accelerate bearing fatigue in Rossi units. All bearings are replaced using Timken-certified equivalents installed via our liquid nitrogen thermal process for a perfect interference fit.
Continuous-duty applications in harsh environments push Rossi units beyond their thermal design limits. We restore damaged components and apply our high-temperature polymer housing coating to reduce future heat buildup.
Deteriorated input and output shaft seals allow lubricant to escape and contaminants to enter. In food, chemical, and marine applications, seal integrity is especially critical to both performance and compliance.
Shock loading and improper installation cause shaft bending, keyway damage, and fretting corrosion at journals. We recondition or manufacture replacement shafts to exact Rossi dimensional specifications.
Bearing migration and sustained vibration deteriorate housing bore geometry, causing misalignment cascades. Precision line boring in our shop restores all critical diameters to OEM tolerances.
Planet carrier wear, pin bearing failure, and ring gear deterioration in Rossi planetary stages require complete disassembly and individual component assessment — all performed in-house by our specialists.
Abnormal operational signatures in Rossi units typically indicate worn gear mesh, loose internal assemblies, or damaged rolling elements — all diagnosed and corrected during our full rebuild process.
In-House Manufacturing Capabilities
When a Rossi gear or shaft is beyond repair, we produce a precision replacement on-site. Every component matches OEM hardness ratings and dimensional tolerances.
Every Rossi gearbox receives our full six-step rebuild process — including specialized procedures for Cyclo-series eccentric drives and Paramax helical reducers.
We arrange no-cost nationwide freight pickup. Your Rossi unit is logged and assigned to a dedicated technician immediately upon arrival, with full disassembly beginning the same day.
All components are cleaned in our industrial parts washer using an organic solution. Each part is then individually measured and documented — gears, shafts, bearings, seals, housing bores, and carrier assemblies.
We identify and document the exact cause of failure — not just the damage. This ensures the same failure mode doesn’t recur after the repaired Rossi unit returns to production.
Worn Rossi gears are manufactured on-site to OEM specifications — matching original Rockwell and Brinell hardness ratings. Helical, bevel, planetary, and worm profiles all produced in our CNC gear cutting center.
Reassembly uses Timken-certified bearings installed via liquid nitrogen thermal process. All new seals, gaskets, and a high-temp polymer coating on the housing complete the rebuild to better-than-OEM standard.
Every rebuilt Rossi gearbox runs a full six-hour load test monitoring vibration, temperature, and leak-tightness before certification. Units passing all checks ship with our 24-month production warranty.
The Specialty Gear Drives Promise
We manufacture Rossi gears on-site — including Cyclo-series profiles. No OEM backorders slowing your repair down.
Pickup and delivery at zero cost anywhere in the US. We handle all logistics so you focus on getting back online.
Every Rossi rebuild is covered from the moment it returns to production — the strongest guarantee available.
A Specialty Gear Drives Rossi rebuild delivers OEM or better performance at a fraction of the cost of a new Rossi unit.
Our technicians carry the same certifications required by OEM service centers — applied to every Rossi gearbox that enters our shop, from compact Cyclo units to large-frame Paramax drives.
We never press bearings. Thermal shaft shrinkage and a superheated bearing dropped into place creates a perfect interference fit without stress — matching or exceeding Rossi's own installation standards.
Rossi drives are used in critical applications where every hour of downtime has a price tag. Our emergency team is on call around the clock to expedite any repair when production is at risk.
Our repair coordinators — all experienced former gearbox technicians — can often diagnose your Rossi failure over the phone before it ships, saving you critical hours in the repair timeline.
From compact gearmotors to large-scale industrial reducers, we service the full Rossi product catalog across all mounting configurations and gear profiles.
Rossi’s workhorse parallel-shaft and foot-mounted helical reducers used across material handling, conveying, and general industrial applications. We restore all internal gear profiles to original tooth geometry and surface finish.
Rossi planetary reducers delivering high torque-to-size ratios for demanding applications. We fully disassemble, measure, and rebuild every carrier, sun gear, ring gear, and planet assembly to exact OEM specifications.
Right-angle Rossi drives combining bevel input stages with helical secondary reductions. We manufacture bevel gears in-house using reverse engineering or existing blueprints when OEM replacements are unavailable.
Integrated Rossi gearmotor assemblies used in food processing, material handling, and packaging applications. We service both the mechanical gear drive and motor interface components as a complete assembly.
Large-frame Rossi units serving mining, cement, steel, and marine applications. Our gear cutting center produces replacement gears up to 20 feet in diameter — fully meeting the torque and hardness demands of these extreme-duty applications.
Rossi’s history of producing customized solutions for specific customer requirements means we often encounter unique configurations. Our reverse engineering team documents and replicates any custom Rossi unit regardless of OEM support status.
Industries Served
Don’t let a failed Rossi unit idle your production. Call Specialty Gear Drives for a free quote, free pickup, and the fastest certified Rossi repair turnaround available.