CA. Fruit-Nut Trees Chilling Out and Tractor-Combines Sales UpCA. Fruit-Nut Trees Chilling Out and Tractor-Combines Sales UpDecember sales of 2-wheel drive 100+ HP tractors were up 24%, while 4-wheel drive tractors were up 18%. Combine sales were up 35% for the month and 25% for the year.AgInfo.netAgInfo.net