DPF Delete for Heavy-Duty Trucks

Diesel Spec provides DPF delete services for eligible heavy-duty trucks intended for off-highway use. The service is available for several diesel engine makes and helps operators and fleet managers identify a solution suited to their application. Browse the supported engines or find a Diesel Spec dealer to learn more.

What Is a DPF on a Heavy-Duty Truck?

The diesel particulate filter, or DPF, is a component of the exhaust system on many heavy-duty trucks. It is designed to capture soot and other particulates produced by a diesel engine before they are released into the environment.

Over time, particulates accumulate inside the filter. The system must therefore complete regeneration cycles or receive appropriate maintenance to help manage soot buildup.

What Problems Can Affect a Truck’s DPF?

If a DPF is not properly cleaned or regenerated at the required intervals, it can gradually become clogged. A clogged DPF can result in additional maintenance requirements, unexpected downtime and engine performance issues.

These issues can affect the operation of an individual truck or an entire fleet, particularly when DPF-related problems become recurring.

DPF Cleaning vs. DPF Delete: What’s the Difference?

DPF cleaning and maintenance are intended to keep the existing filtration system operating properly. Depending on the vehicle and its use, this may include filter regeneration or cleaning when particulate buildup is present.

A DPF delete is a different service. At Diesel Spec, DPF delete services are intended only for eligible off-highway applications and should not be confused with cleaning or maintaining a DPF system that will remain in operation.

What Is a DPF Delete?

A DPF delete is a tuning service intended for certain eligible heavy-duty truck applications used off-highway. Diesel Spec provides this service for several supported diesel engine makes and models.

To determine whether your engine is compatible with this service, browse the supported engine pages below or contact Diesel Spec.

Off-Highway Use and Legal Requirements

DPF Delete is an Off-Highway Tuning service intended only for eligible off-highway applications. It may not be legal in your province or state and cannot be performed on vehicles registered or certified for highway use. Please verify applicable federal, state, provincial and local laws before proceeding.

Frequently Asked Questions About DPF Delete

What is a DPF on a truck?

A DPF, or diesel particulate filter, is an exhaust-system component designed to capture soot and other particulates produced by a diesel engine.

What are the signs of a clogged DPF?

A DPF that becomes clogged may lead to more frequent regeneration requirements, additional maintenance, downtime and certain engine performance issues. Exact symptoms can vary by engine and vehicle.

What is the difference between DPF cleaning and DPF delete?

DPF cleaning removes accumulated particulates so the existing filter can remain in operation. A DPF delete is a different service that Diesel Spec reserves for eligible off-highway applications.

Is DPF delete allowed on highway vehicles?

Diesel Spec’s DPF delete services are intended for eligible off-highway applications. Regulations vary by jurisdiction, so applicable federal, state, provincial and local requirements should be verified before proceeding.

Which diesel engines does Diesel Spec support?

Diesel Spec supports several diesel engine makes. Browse the supported engine section to access information for your specific engine.

How can I find a Diesel Spec dealer?

Use Diesel Spec’s dealer locator to find a service location and obtain information about services available for your engine.