Precision-Engineered Gear Range & OEM Solutions
Explore our comprehensive portfolio of custom spur gears, Helical Gears, hydraulic pump components, and transmission shafts engineered to sub-micron tolerances for zero-failure industrial performance.
Explore Our Product Portfolio
Select a category below to filter our high-precision gears, shafts, and hydraulic components built to exact customer drawings and international standards.
Spur Gears
Precision Industrial Spur Gears
Straight-tooth spur gears engineered for quiet power transmission, minimal backlash, and high fatigue resistance in heavy-duty machinery.
Helical Gears
Helical Gear Sets
Angled-tooth helical gears and precision gear sets designed for high-speed performance, smooth mesh engagement, and heavy torque transmission.
Gear Shafts
Precision Spline & Pinion Shafts
Multi-spline shafts, integral pinion shafts, and worm gear shafts manufactured with sub-micron shaft concentricity and high bending strength.
Hydraulic Range
Hydraulic Pump Gear Assemblies
Specialized high-pressure gear sets for tractor hydraulic pumps, earthmoving machinery, and industrial fluid power systems.
Custom Components
Internal Ring & Spline Sleeves
Broached internal spline rings, coupling sleeves, and planetary ring gear units engineered for tight tolerances and high torque distribution.
OEM Custom
Reverse engineering and custom gear manufacturing tailored to your exact 2D/3D CAD blueprints, sample parts, and operational loads.
Need Custom Gear Specifications or Bulk OEM Quote?
Send your technical drawings (.DWG, .STEP, .PDF) or custom component requirements. Our engineering team evaluates your parameters to provide instant commercial offers with guaranteed factory delivery.
Why Engineers Trust National Gears
Our quality testing laboratory and CNC gear production facilities ensure zero-defect delivery across all manufacturing runs.
Sub-Micron Inspection
Mitutoyo CMM, 2D height masters, and roughness testers verifying pitch, lead, and profile errors.
In-House Heat Treatment
Controlled induction hardening and case carburizing ensuring deep case depth and surface hardness.
CNC Hobbing & Shaving
High-precision automated gear hobbing and shaving machines delivering DIN Class 3–5 standards.
Global OEM Compliance
Reliable supplier to international OEM supply chains with full material batch traceability.
About National Gears Specialized Line
High-precision custom gear manufacturing, specialized power transmission components & industrial gear shafts engineered for heavy OEM machinery.
Need Custom Hydraulic Pump & Precision Gear Manufacturing?
Send us your technical drawings, 3D CAD files, or OEM part numbers for a fast commercial quotation and engineering consultation.