Komatsu's new line of crawler dozers are 'smarter' with 'passive regeneration'
Tina Grady Barbaccia | December 20, 2012
Input does matter.
Komatsu America Corp.’s new line of D37-23 and D39-23 crawler dozers was developed using what the manufacturer says was “extensive customer input” to produce a smarter , more productive dozer.
The dozer meets U.S. Environmental Protection Agency (EPA) Tier 4 Interim regulations and using smart engine technology and is bundled in a 89 or 105 horsepower package with 2,200 rpm. Long track-on-ground standard (EX) and low ground pressure (PX) models are available. Operating weights range from 18,386 lbs. to 21,363 lbs. depending on the configuration and model. A full guarding package, hydraulic winch and other attachments are also available for customization to meet specific requirements.
The dozers 23 feature two selectable Working Modes, Economy (E) and Power (P), that match machine performance to the application. E Mode is intended for all general dozing, leveling and spreading applications providing adequate speed and power while saving fuel. P Mode is intended for slot dozing, ripping, uphill dozing or other applications that require maximum power. The crawler dozers are equipped with KOMTRAX technology, allowing for remote diagnosis by the distributor.
The Komatsu Diesel Oxidation Catalyst (KDOC) has an integrated design that does not interfere with daily operation. The system removes soot using 100 percent “passive regeneration” without the need for a Diesel Particulate Filter (DPF).
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