7/4/2023 0 Comments Rockshaft draft control![]() ![]() Beginning in 2013 the standards for 25-50 (19-37 kW) horsepower tractors tightened to 5.5 g/kWh of CO, 7.5 g/kWh of NMHC+NOx, and 0.3 g/kWh of PM. This has occurred on tractors as small as lawn and garden models right up to high horsepower row-crop tractors, generally right at the cutoff for one horsepower class to another.įor example, 11-25 (8-19 kW) horsepower tractors are allowed 6.6 g/kWh of CO (carbon monoxide), 7.5 g/kWh of NMHC + NOx (nonmethane hydrocarbons + nitrogen oxides), and 0.4 g/kWh of PM (particulate matter). But EPA emission Final Tier 4 (FT4) requirements have created sub-categories with horsepower dialed down to slip under EPA thresholds. If a 30 PTO horsepower tractor isn’t powerful enough to handle that rotary cutter, especially in the thick stuff, model up to a 35 or 40 PTO machine. Generally, the selection of tractor power will be the engine output required for the given task(s) to be done. So what features and options should you be considering on a new tractor? Read on to learn more. Further blurring the landscape is the packaging of more deluxe features into some of the more basic models. Today, the ordering scheme has changed, with economy or value models, mid-spec models, and premium or deluxe offerings all available. If a prospective purchaser wanted more, they would just check off options on the order sheet to get what they wanted. There was a time when manufacturers offered a basic tractor, likely with a gear transmission, clutch-driven power take-off (PTO), R1 (Ag) tires, and not much else. ![]()
0 Comments
Leave a Reply. |