Jul 21, 2018 / Rotary Cutters #71 B buickanddeere Super Member Joined Apr 15, 2004 Messages 6,821 Location East Coast of Lake Huron Tractor Deere, several ericm979 said: Tractors under 75 hp do not requre DEF. Under 25hp there's no emissions requirements. Between 25 and 75hp there's an emissions limit but it is not as stringent as 75hp+. It can be met with a DPF or DOC in most cases. A few like Mahindra use neither. Click to expand... No emissions under 25HP ?Emission Standards: USA: Nonroad Diesel Engines
ericm979 said: Tractors under 75 hp do not requre DEF. Under 25hp there's no emissions requirements. Between 25 and 75hp there's an emissions limit but it is not as stringent as 75hp+. It can be met with a DPF or DOC in most cases. A few like Mahindra use neither. Click to expand... No emissions under 25HP ?Emission Standards: USA: Nonroad Diesel Engines
