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Apple Rochester Gears - (A Division of Transpower Drives)
- Wellingborough, Northants - ernal/external splines, racks & pinions, special sprockets, timing pulleys, bore & key-ways machined to suit. Turning, milling and general machining a

Northern Tool & Gear Co Ltd
- Arbroath, Angus - l and external splines with own heat treatment facilities. Gearboxes built to customer specifications.