Motor gearbox PTT-477C-0

5 - 10 kNmcombined

Overview
New integrated design combining a multi-ratio gearbox with an enclosed wet parking brake mounted on the intermediate shaft. Intended for retrofit and new installations where the same mounting footprint and gear ratios are required. PT Tech supplies torque limiters, enclosed brakes and gearboxes for mining and industrial applications.

Features

• Enclosed wet brake on intermediate shaft
• Eliminates alignment and leaking seal issues
• Allows flow-through cooling
• Identical brake across gearbox ratios
• Easy brake maintenance
• High thermal capacity
• Increased durability with larger, stronger shafts
• Hardened shaft materials
• Reinforced housing for improved strength and rigidity
• Retrofit-compatible with existing gearboxes
• Same mounting footprint
• Maintains existing gear ratios

Technical specifications

• Model: PTT-477C-0
• Gear Ratio: 5.81:1
• Parking Brake Torque: 6,435 lb·ft (8,725 Nm)
• Service Brake Torque at 1,300 psi: 3,855 lb·ft (5,226 Nm)
• Minimum Parking Brake Release Pressure: 1,000 psi (68.9 bar)
• Maximum Parking Brake Release Pressure: 1,500 psi (103.4 bar)
• Rated Horsepower at 1,500 rpm: 75 HP (55.9 kW)