+91-33-40729022, +91-9830920066

Welcome To BHBU Engineering

BHBU Engineering is an engineering firm based in Kolkata (Calcutta), India and supplier of critical replacement spares both standard as well as customized. BHBU Engineering is known for providing engineering services and products for core industries like Mining, Railways, Construction, Cement, Steel and Energy. We have continuously invested in technologies, infrastructure and human resources in order to leverage the experience and growing manufacturing capacities to reach new markets and customer segments. Our team of engineers are expert in understanding specific customer requirement and develop accordingly for complete customer satisfaction. Each and every product manufactured by us comes with 100% satisfaction guarantee.

BHBU specialized in Spares for HEMMs & Construction Equipments like Excavators, Shovels, Dragline, Dumpers, Rollers, Crushers, Loaders, Graders etc.

BHBU works closely with various dedicated suppliers and manufacturer facilitating the customer with a vast range of products.

BHBU focus mainly on development of Industrial Gears, Pinions, Pinion Shafts, Worm Wheels as well as other Heavy Engineering Spares. One of our core strength is into Friction Material like Brake Liners, Brake Parts, Clutches. We have developed every kind of Friction Material from Asbestos, Non-Asbestos, Rubber & Sintered Material.

BHBU further diversifies into Rubber Diaphragms. We have our own design standards as well as we make Diaphragms according to customer requirement and design.

Our R&D team are always active to develop the best products at the optimal product pricing with zero compromise on quality.

We are thankful to all our customers and our associates in supporting us throughout our journey.


Provide products with the lowest cost of ownership to our customers through Innovation, Quality and Service.


Value added end-to-end engineering services that bring your idea to reality at fast pace and at low-cost.


For any need of Mechanical Spares please contact BHBU Engineering, Kolkata.

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We provide a transparent interface to our customers, vendors, employees, and all agencies with whom we interact. We believe in treating everyone in the same manner, just as we expect them to treat us.