Dave Olsen has been appointed president of Workhorse Custom Chassis, a subsidiary of GVW Holdings. Before joining GVW Holdings, Olsen served as executive vice-president at TransCom USA and was general manager at Meritor Automotive.

Heil Trailer International has appointed Joe Calonge chief engineer — research and development director. He had served as chief engineer since 1995. Ron Humphreys has been promoted from product manager to manufacturing manager for Heil's Athens TN facility. Initially, Humphreys will be responsible for the firm's petro and dry bulk lines. By year's end, he will be responsible for the entire manufacturing operation.

Steve Saggau has been named general manager of Cherokee Truck Bodies Inc (formerly Obeco Inc) in Cherokee IA. He has experience in engineering, sales and marketing operations, and manufacturing within the truck equipment industry.

Crysteel Manufacturing Inc has added Todd Stritzel as New England territory manager. The Williamson NY resident, who will be based in Fulton NY, previously served as national sales manager for Smith Metal Works Inc in Newark NY.

Ty-Crop Mfg Ltd has appointed Kevin McCrory president and chief executive officer. He most recently was senior vice-president with the firm.

Stellar Industries Inc has appointed David Champagne hooklift product manager. He previously was the firm's regional sales manager for the eastern and southeastern United States.

Jay Sather has been named warranty, parts, and service manager at Autocar Truck. He was previously director of sales and marketing involved in product design and support of control systems for mobile hydraulic equipment at Kar-Tech Inc of Delafield WI.