MAK Main Engine PTO alignment and chockfast to Speed upGearbox and Shaft Generator. This unit was overhauled and new gears and bearings fitted with the speed up gearbox replaced and aligned with the Main Engine PTO which is aligned to the shaft Generator. Work on this unit was 24 hrs around the clock for a fast and reliable completion . D&D Engineering Services is the only company certified by Philadelphia Resins For Chockfast Application.