Laser and GPS controls for earthmoving machines have been available for years from after-market suppliers. But partners Caterpillar Inc. and Trimble Navigation now are offering a new "AccuGrade" laser system as factory equipment on machines, hoping to generate additional interest from operators looking to boost grading speed by as much as 50%.

CAT and Sunnyvale, Calif.-based Trimble formed a joint venture in mid-2002 and unveiled the $18,000-to- $25,000 dozer option Nov. 21 at CAT’s headquarters in Peoria, Ill.