Caterpillar Inc. of Peoria, the world’s largest maker of construction equipment, said Tuesday that it agreed to buy locomotive manufacturer Electro-Motive Diesel Inc. of La Grange for $820 mi… ...

PEORIA, Ill. -- Heavy equipment maker Caterpillar Inc. says its Alabama-based railroad service unit will spend $820 million cash to acquire locomotive maker Electro-Motive Diesel. Caterpillar says ...