Tier 4/Stage IV Engine

John Deere Releases New PowerTech Brands for Tier 4/Stage IV Engines

June 14, 2012

John Deere Engines

John Deere Power Systems has announced the naming convention and power ratings for its complete lineup of Final Tier 4/Stage IV mobile off-highway diesel engines, according to a company release.

The release noted the company is building on previous tier nomenclature, and the John Deere Final Tier 4/Stage IV engine names will begin with the PowerTech brand and add a three-letter-long suffix that identifies the specific technology package that is used.

In terms of power ratings for the highly-used John Deere equipment, the company noted that specific letters will indicate the technology that is used, ranging from variable geometry turbochargers to wastegate turbochargers.