Big Engines. Heavy Loads. Serious Braking Power.

Introducing the Commercial Sentinel™ Electric Exhaust Brake

Braking power up to 80% of engine horsepower. Actuation in less than half a second. Heavy stainless-steel construction.

Built for commercial diesel engines 9 liters and larger, the Commercial Sentinel combines powerful exhaust braking with an overengineered electric worm-drive actuator.

Control heavy loads on demanding descents—with a rugged aftermarket exhaust brake that operates independently of your factory turbo.

Trust your descent.

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Put Your Engine to Work—Holding You Back.

The Commercial Sentinel produces retarding power up to 80% of your engine’s horsepower, helping control downhill speed and reduce reliance on your service brakes.

For a 500-horsepower engine, that means up to 400 horsepower of braking power.

For truck owners and fleet managers, that means:

• Greater control on long, steep grades

• Less service-brake use, helping reduce heat buildup and wear

• Powerful braking when hauling heavy loads

• Exhaust braking independent of the factory VGT turbo

Braking output varies with engine speed, engine configuration, and operating conditions. Exhaust braking supplements your service brakes.

The Strength Is in the Actuator.

Moving an exhaust-brake valve against the pressure of a large diesel engine takes serious force. Keeping it in position takes strength.

The Commercial Sentinel’s powerful electric motor and worm-drive gear reduction deliver both—actuating in less than 0.5 seconds and mechanically holding the valve in position under exhaust pressure.

The valve assembly is built from heavy stainless steel to withstand demanding commercial use.

Fast actuation. Powerful hold. Built like a tank.

Electric Power. Mechanical Strength. Simple Operation.

The Commercial Sentinel uses electric power to operate the valve directly.

No air compressor. No vacuum pump. No pneumatic hoses or vacuum lines to install and maintain.

Its electric platform provides fast, consistent actuation without waiting for air or vacuum pressure. The worm-drive mechanism mechanically holds the valve’s position without relying on pneumatic pressure.

With throttle-automated control, the brake opens when you apply the throttle and closes when you release it while the system is enabled.

Less supporting equipment. Fewer connections. Powerful, automatic operation.

Keep Your Braking. Choose Your Turbo.

Upgrading your turbo should not mean giving up exhaust braking.

The Commercial Sentinel provides an aftermarket option for owners who want a different turbo while retaining exhaust-braking capability.

It can operate alongside an OEM VGT exhaust brake or provide exhaust braking when the factory VGT braking system is no longer being used.

For trucks with weak or unreliable factory engine braking, the Commercial Sentinel offers another way to add retarding power.

Tell us your truck, engine, and turbo configuration. We’ll help confirm the right setup.

[CHECK YOUR TRUCK’S APPLICATION]

Tested With 138,000 Pounds on an 8% Grade.

A tanker truck pulling a pup trailer. A total loaded weight of 138,000 pounds. More than 7 miles down an 8% grade.

The Commercial Sentinel performs exceptionally throughout the descent.

Built for demanding work—and tested doing it.

Heavy-Duty Construction. Practical Fitment.

• Designed for diesel engines 9 liters and larger

• Heavy stainless-steel valve assembly

• True 5-inch valve

• Options for 4-inch and 5-inch exhaust pipe

• Overengineered electric worm-drive actuator

• Actuation in less than 0.5 seconds

• Mechanical worm-drive lock

• No air compressor or vacuum system required

One Truck or an Entire Fleet.

Whether you own a commercial truck or manage a fleet, the Commercial Sentinel gives you a powerful aftermarket exhaust-braking option for large-displacement diesel engines.

Contact Bundy Motors to discuss your application, installation requirements, and fleet needs.

Now accepting orders.

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Commercial Sentinel™ by Bundy Motors
Trust your descent.