1994-2023 MICHIGAN L190B LONG BOOM WHEEL LOADER

Technical Description

The Michigan L190B Long Boom is a heavy-duty wheel loader designed for high performance and durability. It features a turbocharged Cummins NTA 855C335 engine delivering a gross power of 322 hp (240 kW) and net power of 290 hp (216 kW). The loader has an operating weight of approximately 62,470 lbs (28,336 kg) and a fuel capacity of 115.2 gallons (435 liters). The bucket has a breakout force of 53,306 lbs (24,179 kg), with a heaped capacity of 5.3 cubic yards (4 cubic meters) and a struck capacity of 4.5 cubic yards (3 cubic meters). The bucket width measures 10.9 feet (3 meters), with a dump clearance at max raise of 12.4 feet (4 meters). Key dimensions include a ground clearance of 2 feet (1 meter), a height to the top of the cab of 12.4 feet (4 meters), and a hinge pin maximum height of 16.5 feet (5 meters). The loader length with the bucket on the ground is 31.6 feet (9 meters), with a wheelbase of 11.5 feet (3 meters) and a turning radius of 26.3 feet (8 meters). The hydraulic system uses a gear-type pump with a flow capacity of 70 gallons per minute (265 L/min) and operates at a relief valve setting of 2,950 psi, offering fast cycle times: 3 seconds dump, 4.6 seconds lower, and 6.9 seconds raise. The transmission is a Clark 4425-202 countershaft powershift type with 4 forward and 4 reverse gears, reaching maximum speeds of 22.2 mph (35 kph) in both directions. Additional specifications include a 24-volt electrical system, front and rear axle fluid capacities of 9.1 gallons (34 liters), and tire size 29.5-25 (22PR) L-3. Rear axle oscillation is 22 degrees, enhancing maneuverability on uneven terrain. This robust configuration makes the L190B Long Boom suitable for demanding material handling and loading tasks in construction and mining environments.