We Build the Products Your Customers Bet Their Business On
Four decades of delivering high-accuracy assemblies & components for business-critical applications where performance, consistency and reliability are non-negotiable.
We Build the Products Your Customers Bet Their Business On
Four decades of delivering high-accuracy assemblies & components for business-critical applications where performance, consistency and reliability are non-negotiable.
Who We Are
We build the products your customers bet their business on
Pentagon Machines is a precision engineering and contract manufacturing company based in Chennai, India. With over 45 years of experience, we partner with global and Indian OEM’s to deliver high-accuracy components and precision-engineered assemblies for demanding applications.
- Faster development, fewer vendors
- Design- & quality-focused feedback
- Traceability you can trust
- Proven reliability
Key Products

Complex, multi-part assemblies engineered, built, and validated for demanding, business-critical applications.
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High-pressure hydraulic valves and gear pumps designed for reliability, performance, and long service life.
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Power take-off gearboxes for leading transmission brands like Allison, Eaton, Hino, Isuzu, Mack, Mitsubishi, Volvo, and ZF.
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Engine balancer assemblies manufactured to tight tolerances for smooth performance and durability.
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Spur and helical gears, splined shafts, and power-transmission components machined for accuracy and consistency.
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High-accuracy machined components in steel, cast iron, ductile iron, and non-ferrous materials.
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Industries Served
Automotive
Commercial Vehicles
Hydraulics & Fluid Power
Power Transmission
Gears, shafts, and gearboxes engineered for accuracy, durability, and load-bearing applications.
Industrial Machinery
Precision-manufactured components and assemblies for complex industrial equipment.
Global OEM Programs
Why Choose Us
Quality Mindset
Quality at Pentagon Machines is embedded into every process, decision and inspection, guided by engineering discipline, attention to detail, and a clear understanding of how each component performs in the real world.
From early manufacturability inputs to validation, testing, and traceability, quality is built into every stage of production. Reinforced through experience, process rigour, and long-term accountability, this mindset ensures consistency, reliability, and confidence across every program we support.
- Helical internal broaching capabilities enable specialised gear cutting methods that are complex and not easily replicable.
- Design and manufacture of precision jigs, fixtures and gauges in-house to maintain strict control over assembly.
- Strong DFM feedback optimises manufacturability and supports efficient scaling from development to production.
- Flexible manufacturing suited to a wide variety of precision components in smaller volumes, supporting startups and small companies.
- A consistent 99.99% on-time delivery record reflects disciplined planning, process control and long-term accountability.
How We Work
At Pentagon Machines, every engagement follows a disciplined, collaborative approach that’s designed to reduce risk, ensure manufacturability, and deliver consistent performance over the life of the program.
Understand application requirements, standards, volumes, and quality expectations.
Apply early design-for-manufacturing inputs, tooling development, and process planning.
Build prototypes and carry out functional, performance, and validation testing.
Execute controlled ramp-up and production with defined quality controls.
Manage engineering changes, reporting, traceability, and long-term program support.







