Doppler Gear Co

M & M Hydraulic Company is the trusted name for hydraulic repair service in Minnesota, and serving all of the upper Midwest, including Minnesota, Wisconsin, North Dakota, South Dakota, and Iowa. We are a family owned and operated company with over 45 years in business.

D&D Instruments is a Minnesota based company specialize in repairing and rebuilding auto and international instrument clusters. We repair most foreign and domestic models. We also carry Expello Drain Valves, 5” Kenworth Speedometer, Stark Air Dryers, and many other switches, gauges and parts.