Profile: HL Smith Transmissions Ltd. is a re-manufacturer of heavy duty drivetrain units for HGV trucks, PSV bus & coach, military vehicles, and selected light commercial vehicles. Our products include manual gearbox, auto gearbox, diff, axle, propshaft, power steering, and transmission parts. Our services include delivery, service parts counter, repair service, technical helpline, fitting bay, mobile technician, and electronic diagnostics. We offer a complete parts package on all types of driveheads, manual & automatic gearboxes, steering units and propshafts. We also offer a complete workshop service for the removal and re-fitting of any of our transmission parts.