Truck driving at sunset

Bosch Does Heavy Duty.

At Bosch, we know how crucial it is to keep your fleet or workshop running smoothly. That’s why our Original Equipment heavy-duty parts and in-depth training are here to support you every step of the way. Whether you’re managing maintenance for a fleet of vocational trucks, handling long hauls, or working on class 6-8 vehicles, we have you covered. With Bosch, you’ll get the right parts and the right know-how to minimize downtime and keep operations efficient—all while keeping costs in check. And with our network of Authorized Bosch Heavy Duty Distributors, getting what you need is just a call away.

If you have questions, need assistance, or would like to learn more about our products and services, our team of experts are here to help.

Heavy Duty Product Portfolio

Heavy Duty Fuel System

Heavy Duty Fuel System

Bosch is a Global OE Supplier of fuel systems in the heavy duty market and has been the general industry standard in common rail fuel systems since 1997.

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Heavy Duty Rotating Electric

Heavy Rotating Electric

Bosch has a long history in rotating electric engineering and innovation. The Long Haul alternator was first introduced to the heavy duty market in 2004.

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Heavy Duty Exhaust Gas After Treatment System

Heavy Duty Exhaust Gas After Treatment System

Bosch Denoxtronix 2.2 is the leading OEM emissions solution for class 6-8 vehicles, utilizing Selective Catalytic Reduction (SCR) technology.

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Heavy Duty Diagnostic Equipment

Heavy Duty Diagnostics at the next level

Read, diagnose and get the repair done right with equipment designed for the commercial vehicle industry.

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OTC tools

OTC Heavy Duty Tools

Keep your fleet running at peak performance with OTC's specialized heavy-duty equipment. From expert-level diagnostic systems like Bosch ESI[truck] to robust suspension, brake, and tire service tools, OTC delivers reliable solutions tailored specifically for heavy-duty trucks and off-highway equipment. Maximize uptime and simplify maintenance with the trusted choice in professional diagnostics and repair.

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Heavy Duty Distributor Locator

Contact your nearest Heavy Duty Distributor for expert assistance and support.

Technical Training Offerings & Expertise

Technician with diagnostic tool

Get hands-on training that meets your specific needs. Bosch's training department is here to support diesel technicians and shop owners in diagnosing and repairing a variety of heavy-duty systems—right the first time. Whether you're looking for a quick one-day refresher or an in-depth multi-day course, we have training options designed for every experience level. Our offerings cover essential technical areas like gasoline injection, diesel injection, and electrical systems. Plus, Bosch experts can discuss how our systems integrate with products from other manufacturers to give you the full picture.

Interested in exploring training options? A Bosch Representative is ready to work with you directly, tailoring a training plan that fits your shop’s specific requirements—or connecting you with existing training programs that align with your goals.

Exhaust Gas Aftertreatment

Bosch Denoxtronic 2.2 is the leading OEM emissions solution for class 6-8 vehicles, utilizing Selective Catalytic Reduction (SCR) technology and is commonly found in North America starting in 2009.

Some HD vehicles can also be equipped with the Bosch Departronic 2 System, which uses targeted injection of diesel fuel into the exhaust gas.

Related Trainings: Denoxtronic & Departronic EGAT Systems

Rotating Electric

Bosch has a long history in Rotating Electric engineering & innovation.

One example of this is our Long Haul Alternator, which was first to the HD market and was introduced in 2004.

Related Trainings: Long Haul & Refrigeration Alternators

Fuel System

Bosch is a Global OE Supplier of Fuel Systems in the HD Market and has been the general industry standard in Common Rail Fuel Systems since 1997. Our excellence in fuel-injection technology and the distinct OE advantage from Bosch make us a trusted choice in the aftermarket.

Related Trainings: Common Rail, Unit Injection & Conventional Systems