Valley Equipment Repair provides professional heavy equipment repair, semi-truck repair, and mobile diesel mechanic services in Roundup, Montana and throughout a 100-mile radius. With over 40 years of experience, owner Emmett Wanzer delivers reliable, high-quality repair and maintenance for construction equipment, agricultural machinery, and diesel trucks. We specialize in diagnosing and repairing excavators, bulldozers, loaders, skid steers, tractors, and semi-trucks. Whether you need routine maintenance, hydraulic repairs, or major mechanical work, Valley Equipment Repair has the expertise to keep your equipment running efficiently and minimize costly downtime. Our mobile repair services bring fast, on-site solutions directly to your job site or location, saving you time and getting you back to work quickly. We are committed to dependable service, honest work, and keeping your equipment operating at peak performance. Located at 620 6th Ave East in Roundup, MT, we proudly serve Musselshell County and surrounding areas. Open Monday through Friday 7AM–5PM and Saturday 7AM–12PM. For trusted heavy equipment repair in Roundup, MT, mobile diesel mechanic services, or semi-truck repair, contact Valley Equipment Repair today.