Komatsu D37-23 and D39-23 crawler dozers have been upgraded with Tier 4-Interim SAA4D95LE-6 diesels.
Two gearshift modes also give dozer operators many speed settings to tailor their speed to the job
Cat D6K2 dozer has been added to the updated line of machines that features Stable Blade Control and Eco Mode system, which delivers up to 22 percent better fuel economy that the predecessor.
Komatsu D61-23 crawler dozer has a Komatsu Tier 4-Interim SAA6D107E-2 engine that provides the same horsepower as its predecessor while lowering fuel consumption by up to 10 percent.
Four models are added to Deere K Series of crawler dozers: 550K, 650K, 700K and 750K.