gear coupling Overview Quick Details Place of Origin: India Engine Type: Diesel Type: Camshaft Online Customization Gear Coupling ModelNo. JT-19 JT-28 JT-38 JT-48 JT-65 Pilot Bore (mm) 07 10 12 15 20 SuitableMotor HP 0.25-1 1-5 5-10 10-30 40-60 Material Steel hub and high graded plastic material sleeve.