PT Tech PTT-477-0 Combination Gearbox Brakes

The PT Tech PTT-477-0 Combination Gearbox Brakes offer an innovative solution for industries seeking reliable and efficient braking systems. Known for its excellence in the coal industry, PT Tech combines its expertise in limiters and enclosed brakes with advanced gearbox technology to deliver the PTT-477 Series. This product is designed to provide superior performance and durability, making it an ideal choice for demanding applications.

With an enclosed wet brake on the intermediate shaft, the PTT-477-0 eliminates common issues such as alignment and leaky seals. Its excellent thermal capacity and flow-through cooling ensure optimal performance even under heavy use. The design features bigger shafts and improved housing, enhancing strength and rigidity. Maintenance is straightforward, and the unit can retrofit old gearboxes, offering increased durability with metallurgically stronger shaft material.

This versatile gearbox brake combination is perfect for applications such as scoops and shield haulers. It maintains the same ratios and mounting footprint, ensuring compatibility and ease of integration. Available in three models—PTT-477A-0, PTT-477B-0, and PTT-477C-0—each offers specific gear ratios and torque specifications to meet diverse operational needs. With a consistent horsepower of 75 hp at 1500 RPM, these units deliver reliable power and performance across various settings.