5m Girth Gears
Girth Gears and Pinions | Alloy Steel Castings | AGMA Q12 Quality Standards
Precision-engineered girth gears and pinions from alloy steel castings up to 150 tons, featuring AGMA Q12 quality standards for grinding mills, rotary kilns, and industrial applications.
This product is offered by Harcliff Mining Services, South Africa 
We don’t just manufacture new products. We modify and improve existing gear assemblies. Amendments to gear tooth geometry and careful material selection increase flank durability and root strength service factors, while ensuring fitment compatibility.
POA* 5m Girth Gears
*POA: Price On Application
Please contact us for a consultation
PRECISION GIRTH GEARS AND PINIONS MANUFACTURING EXCELLENCE
We operate as acknowledged global specialists in the design, manufacture, and refurbishment of heavy-duty girth gears and pinions for mining, mineral processing, pyroprocessing, cement, power generation, and petrochemical sectors. Established in 1998, our Johannesburg-based facility combines decades of engineering expertise with state-of-the-art manufacturing technology to deliver world-class gear solutions.
Our comprehensive services encompass the complete lifecycle of girth gear and pinion systems, from initial design consultation through manufacturing, installation, and ongoing maintenance support. We specialize in both new product development and the modification of existing gear assemblies, utilizing advanced finite element analysis and the latest American Gear Manufacturers Association calculation standards to optimize performance and durability.
ADVANCED GIRTH GEARS AND PINIONS ENGINEERING CAPABILITIES
Our girth gear manufacturing utilizes premium alloy steel castings with production capacity up to 150 tons per gear set and diameters reaching 12.5 meters. The sophisticated ladle refining process removes impurities while precisely controlling chemical compositions, ensuring superior material properties throughout each casting. Our facility employs the world's largest liquid quenching systems to achieve uniform hardness distribution across components.
We manufacture precision pinions and gearbox internals from through-hardened or case-hardened alloy steel forgings, processed through vacuum degassing furnaces before casting ingots to guarantee superior mechanical properties. Our gear grinding operations utilize the latest generation Klingelnberg Höfler profile grinding technology, achieving AGMA Q12 accuracy standards or higher with super-fine surface finishes below 0.8Ra.
BULK MANUFACTURING AND WHOLESALE DISTRIBUTION SERVICES
Our manufacturing capabilities support large-scale production requirements for mining companies, equipment manufacturers, and industrial contractors worldwide. We maintain extensive inventory management systems and offer flexible delivery schedules to accommodate bulk orders while ensuring consistent quality across all production runs. Our wholesale pricing structure provides competitive advantages for distributors seeking premium gear components for sale to end users.
We provide comprehensive machining and gear hobbing services up to 12.5-meter diameters with 1,200-millimeter face widths and maximum module specifications of 42 mod. Our in-board testing facilities generate detailed gear quality inspection graphs verifying tooth profile, lead, pitch, run-out, and span values to ensure adherence to stringent accuracy standards.
INDUSTRIAL APPLICATIONS AND MARKET SECTORS
Our girth gears and pinions serve critical functions in grinding mills, rotary kilns, dryers, and scrubbers across diverse industrial applications. Mining operations rely on our components for ore processing equipment, while cement manufacturers utilize our products in rotary kiln systems. Power generation facilities depend on our precision gears for critical rotating machinery applications.
The robust construction and precision manufacturing ensure reliable operation in demanding industrial environments while maintaining consistent performance under heavy loads. Our gear tooth geometry modifications and careful material selection increase flank durability and root strength service factors while ensuring compatibility with existing equipment configurations.
QUALITY ASSURANCE AND TECHNICAL SUPPORT
Our comprehensive quality management system incorporates advanced calculation software including KISSsoft and Inventor modeling throughout the design process. We provide extensive technical support including installation guidance, commissioning services, and ongoing maintenance consultation to optimize equipment performance and service life.
We operate as acknowledged global specialists in the design, manufacture, and refurbishment of heavy-duty girth gears and pinions for mining, mineral processing, pyroprocessing, cement, power generation, and petrochemical sectors. Established in 1998, our Johannesburg-based facility combines decades of engineering expertise with state-of-the-art manufacturing technology to deliver world-class gear solutions.
Our comprehensive services encompass the complete lifecycle of girth gear and pinion systems, from initial design consultation through manufacturing, installation, and ongoing maintenance support. We specialize in both new product development and the modification of existing gear assemblies, utilizing advanced finite element analysis and the latest American Gear Manufacturers Association calculation standards to optimize performance and durability.
ADVANCED GIRTH GEARS AND PINIONS ENGINEERING CAPABILITIES
Our girth gear manufacturing utilizes premium alloy steel castings with production capacity up to 150 tons per gear set and diameters reaching 12.5 meters. The sophisticated ladle refining process removes impurities while precisely controlling chemical compositions, ensuring superior material properties throughout each casting. Our facility employs the world's largest liquid quenching systems to achieve uniform hardness distribution across components.
We manufacture precision pinions and gearbox internals from through-hardened or case-hardened alloy steel forgings, processed through vacuum degassing furnaces before casting ingots to guarantee superior mechanical properties. Our gear grinding operations utilize the latest generation Klingelnberg Höfler profile grinding technology, achieving AGMA Q12 accuracy standards or higher with super-fine surface finishes below 0.8Ra.
BULK MANUFACTURING AND WHOLESALE DISTRIBUTION SERVICES
Our manufacturing capabilities support large-scale production requirements for mining companies, equipment manufacturers, and industrial contractors worldwide. We maintain extensive inventory management systems and offer flexible delivery schedules to accommodate bulk orders while ensuring consistent quality across all production runs. Our wholesale pricing structure provides competitive advantages for distributors seeking premium gear components for sale to end users.
We provide comprehensive machining and gear hobbing services up to 12.5-meter diameters with 1,200-millimeter face widths and maximum module specifications of 42 mod. Our in-board testing facilities generate detailed gear quality inspection graphs verifying tooth profile, lead, pitch, run-out, and span values to ensure adherence to stringent accuracy standards.
INDUSTRIAL APPLICATIONS AND MARKET SECTORS
Our girth gears and pinions serve critical functions in grinding mills, rotary kilns, dryers, and scrubbers across diverse industrial applications. Mining operations rely on our components for ore processing equipment, while cement manufacturers utilize our products in rotary kiln systems. Power generation facilities depend on our precision gears for critical rotating machinery applications.
The robust construction and precision manufacturing ensure reliable operation in demanding industrial environments while maintaining consistent performance under heavy loads. Our gear tooth geometry modifications and careful material selection increase flank durability and root strength service factors while ensuring compatibility with existing equipment configurations.
QUALITY ASSURANCE AND TECHNICAL SUPPORT
Our comprehensive quality management system incorporates advanced calculation software including KISSsoft and Inventor modeling throughout the design process. We provide extensive technical support including installation guidance, commissioning services, and ongoing maintenance consultation to optimize equipment performance and service life.