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Donaldson is uniquely qualified to provide retrofit and first fit solutions to meet stringent diesel emission requirements. As emission regulations tighten, greater filtration performance will be required across the engine. We currently offer emission reduction solutions for in-use diesel engines like school buses, waste haulers and off-road equipment.
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Closed Crankcase Filtration Systems for Diesel Engines
Donaldson Spiracle™, is an efficient and effective closed crankcase ventilation filtration system. Benefits of Spiracle include: more engine power due to cleaner engine enclosures, reduced engine odor and fumes, and reduced oil consumption.
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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 recommend retrofitting your engine
with a DPF Muffler and a Spiracle filtration
system - reducing PM emissions by
more than 90%.
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Diesel Retrofit System Verifications
For detailed information see the EPA and CARB releases in our News section.
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Have you got questions? We Can Help!
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. Check out our product literature.
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