Check the listing for details. Holmes Hobbies TorqueMaster Expert 540 Brushed Electric Motor (55T). Condition: New. Listed at 57.99 USD. This is the Holmes Hobbies TorqueMaster Expert 55 Turn 540 Brushed Electric Motor. When you need a quality brushed motor, look no further than the TorqueMaster Expert 540 from Holmes! The Expert series features quality construction and a machine wound armature for an affordable alternative that won't break the bank. Features: Machine-Wound Armature Standup Brush and 7.5mm Comm- Maximizes power and motor longevity Gold plated copper brush hood to resist corrosion and provide lowest resistance 4mm web 3 slot armature- Maximizes power and RPMs 1.4mm thick can features minimal venting and two high-power FB9 wet magnets to maximize torque and efficiency Dual Ball bearings Adjustable timing 0.55mm Extra Heavy springs for consistent drag brake 729 type soft brushes for high torque and long motor life Broken in for immediate installation and use Every motor carries a 30 day manufacturers warranty to cover manufacturing defects. 55T = 987 rpm/volt: Motor speeds taken from averaged lots at 7 volts, zero timing with no load. About Us | View Store