Operating profit doubled to $692.2 million, while profit attributable to Yokohama Rubber shareholders more than doubled to $457.9 million. Tires excluding off-highway products generated a 36.9% profit increase, and off-highway tire profit increased 36.4%. Off-Highway Tire Profit Rises 83%Off-highway tire revenue increased 14.8% to $1.35 billion, while business profit rose 82.5% to $164.0 million. Yokohama said OE agricultural tire sales increased as it strengthened relationships with equipment manufacturers. They help explain why operating profit increased 100%, faster than the 54.3% growth in business profit.