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Governmental regulations across the globe are driving diesel engine users to consider buying new vehicles or retrofitting their existing engines to meet the requirements.

Donaldson delivers verified retrofit solutions that reduce engine emissions. We also offer a solution that eliminates emissions generated from the crankcase. We have a specialized team of emissions experts that can help determine your emission reduction targets and then specify the right Donaldson solution, keeping in mind regulations, budgets and fleet size. For more information, call us at 1-866-675-2847 or email our sales department.


Spiracle™ Crankcase Filtration
Studies show that the Donaldson Spiracle
crankcase filtration system eliminates emissions

from the crankcase and reduces in-cabin
emissions. Check out school bus emissions

studies by University of California-Riverside
and Clean Air Task Force.



For the most cost-effective solution,
we recommend retrofitting your engine with a
DOC Muffler
and a Spiracle™ filtration system –
reducing particulate matter (PM) from 25% to 50%.


For the greatest PM reduction solution,
we have two Level 3+ solutions our
Semi-active Electric Filter (SEF) Muffler System

and our LNF and LXF Mufflers. Complete
retrofit kits, including installation hardware, are available.


DPF Cleaning Systems
The DPF (filter) requires routine cleaning to
remove ash that builds up over time. The
Donaldson filter cleaning systems will save
you the expense of an outside DPF cleaning
service. Two systems are available:
DPF Pulse Cleaner
and our
DPF Thermal Regenerator






Donaldson DYNAMIC™

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