AGMA Member CompanySince 1946East Walpole, MA

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Railcars & Track Equipment

Railcars & Track Equipment

Custom gears, sprockets and machined power-transmission components for rail equipment OEMs, maintenance teams and replacement-part requirements.

 

Commercial Gear supports new manufacturing and MRO projects with gear cutting, CNC machining and dedicated inspection capabilities.

Gearbox assemblies on an OEM production line
FROM REQUIREMENT TO COMPONENT

Built around your drawing.

How we work with rail customers

Replacement parts that keep older equipment in service

Rail equipment can remain in operation long after original components become difficult to source. Commercial Gear supports OEM and MRO requirements with custom gear manufacturing, machining and inspection for customer-defined replacement components.

Our capabilities are especially useful when a project involves an existing drawing, a customer-supplied blank or a component that requires additional machining and gear cutting before it can return to service.

Inspection also plays an important role when the problem is not obvious. In one documented railcar application, gears were binding in operation. Commercial Gear’s inspection identified excessive lead and profile error, providing the information needed to address the gear geometry problem.

BUILT FOR INDUSTRIAL RAIL APPLICATIONS

Built for the demands of railcar & track equipment

Rail equipment projects can involve new production, replacement components or existing parts that no longer perform as intended. Commercial Gear brings gear manufacturing, machining and inspection together to support these requirements.

OEM & MRO Support

Manufacturing support for new rail equipment production, maintenance and repair programs.

Custom Gear Manufacturing

Spur, helical, bevel, miter, worm and internal gears made to customer drawings and specifications.

Replacement Components

Replacement gears and sprockets for older equipment when original parts are difficult to source.

Dedicated Gear Inspection

Profile, lead, runout and dimensional checks that help diagnose binding, wear or fit problems.

CNC Machining

Turning and milling for bores, hubs, shafts, keyways and other component features.

Sprocket Modification

Reboring, keyways, drilling and other machining on appropriate stock sprockets.

Customer-Supplied Blanks

Gear cutting on blanks you supply, from single replacements to repeat orders.

Production Flexibility

Prototypes, one-off replacements, short runs and production quantities.

GEARS & POWER-TRANSMISSION COMPONENTS

What we manufacture for rail

From custom gears to modified sprockets and machined components, Commercial Gear supports rail equipment projects where accurate tooth geometry, fit and manufacturing consistency matter.

Rail car and track equipment
Heavy gearing

Custom Gears & Gear Components

Custom spur, helical, bevel, miter, worm and internal gearing can be manufactured to customer drawings and specifications. Gear cutting is supported by CNC machining and dedicated gear inspection capabilities.

Rail car and track equipment
Sprockets

Sprockets & modifications

Custom sprocket manufacturing plus modification of stock sprockets, including reboring, keyways, drilling and related machining where required.

Rail car and track equipment
POWER-TRANSMISSION COMPONENTS

Splines, Racks & Machined Components

Internal and external splines, spline shafts, rack gearing and related machined components for customer-defined industrial equipment requirements.

EXPLORE COMMERCIAL GEAR

From the part you need to the process behind it.

Start with the component you need or explore the manufacturing capabilities used to produce, modify and inspect custom gears and power-transmission parts.

Capabilities

The expertise behind your component

Explore the manufacturing and inspection capabilities available for OEM, MRO and replacement-part projects.

Products

Find the right product family

Review Commercial Gear’s custom gear and power-transmission component capabilities.

THE SAME MANUFACTURING EXPERIENCE.

Explore other industries.

The gear cutting, machining and inspection capabilities used for rail equipment also support manufacturers and maintenance teams across other demanding industrial markets.

Gearbox assemblies on an OEM production line

Original Equipment Manufacturers

Made-to-print gears and gear assemblies for OEMs who need a dependable partner in their supply chain.
Machine tool builder workshop

Machine Tool Builders

Precision gearing for the machines that build everything else — where accuracy in the gear train is non-negotiable.
Heavy construction equipment track and drive

Construction Equipment

Heavy-duty gears and sprockets for equipment that has to keep working in the field.
ANSWERS TO YOUR QUESTIONS

Rail gear & sprocket FAQs.

Questions about custom rail equipment gears, replacement components, sprockets and manufacturing requirements

Yes. Commercial Gear supports MRO and replacement-part manufacturing from customer drawings and specifications. Depending on the project, manufacturing can begin with customer-supplied blanks or include broader machining and gear-cutting operations.

Commercial Gear manufactures spur, helical, bevel and miter, worm and internal gears, along with related gearing and power-transmission components. The appropriate manufacturing process depends on the component geometry and drawing requirements.

Commercial Gear has dedicated gear inspection capabilities for evaluating characteristics such as profile, lead, composite variation and runout. In a documented railcar project, inspection identified excessive lead and profile error associated with gears that were binding.

Commercial Gear manufactures custom sprockets and can also modify appropriate stock sprockets through operations including reboring, keyway machining and drilling. Customers should provide the chain size or pitch, tooth count, bore, hub details and other drawing requirements.

Send the available drawing or CAD file along with material, quantity, tolerances, gear or sprocket specifications, required machining features and inspection requirements. For replacement projects, include information about the mating component and the problem being experienced when relevant.

Yes. We review custom components for new equipment as well as replacement gearing and sprockets for existing rail cars and track maintenance machinery.

KNOWLEDGE FOR YOUR NEXT PROJECT

Related blogs & engineering insights.

Practical articles on gear selection, sprocket sourcing and quality — written from decades on the shop floor.

Custom vs. Catalog Sprockets: A Total-Cost Analysis

Off-the-shelf sprockets ship fast but rarely fit perfectly. A detailed total-cost breakdown shows when custom fabrication pays for itself within the first maintenance cycle.
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AGMA Certification: What It Means for Your Supply Chain

Third-party quality certification is not just a badge — it changes how you qualify suppliers and write purchase orders. Here is what AGMA membership signals to procurement teams.
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How Precision Gear Cutting Reduces Downtime in Heavy Industry

Unplanned equipment failures cost manufacturers thousands per hour. Learn how tight-tolerance gear cutting extends service intervals and keeps production running.
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