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2015. It was the year Tier 4 Final emissions standards became the rule of off-highway equipment. Forestry machines got a feature following a visit with Tigercat Industries in Ontario, Canada, to report on what steps the OEM took to meet those regulations with the help of its engine supplier, FPT Industrial.
Machine control was front and center, enhanced by new valve drivers introduced by HydraForce designed for variable fan drives, mobile equipment booms and transmission shifting. Maintenance got some attention again, as well, this time aided by data generated by the machine itself.