Triple pinion gear with one gear at 59 tooth, one at 39 tooth and one at 27 tooth. This precision manufactured gear is for use in the main transmission drive gearboxes on CNH Case 2100, 2300 and AF88 series combines. Manufactured by 'APB' - Agri Parts Bologna and 100% interchangeable with the original item. OEM Code 87305298 (18AP008693).