MILWAUKEE — Colliers International has brokered the sale of a 750,300-square-foot Caterpillar manufacturing campus in South Milwaukee. The sales price was $13.3 million, according to the Milwaukee Business Journal. Caterpillar used the eight-building campus, located at 1022 and 1100 Milwaukee Ave., for its global mining operations. The company is in the process of vacating the property, but still has an ongoing lease. Tom Shepherd, Jennifer Huber-Bullock, Steve Sewart and Sal Strehlow of Colliers represented the seller, New York-based OLP JV Milwaukee LLC. Samuel M. Dickman Jr. and Samuel D. Dickman of The Dickman Company Inc./CORFAC International represented the buyer, New York-based 1100 Milwaukee Ave. LLC. Reich Brothers Holdings LLC was the managing partner for the buyer.