Profile: Great Lakes Power Products, Inc. markets products from leading manufacturers including twin disc, hyster, carrydeck, cushman, cotta and dana. Our products include fork lift trucks & attachments, marine gears, powershift transmissions, clutches, straddle carriers and drivelines. We provide a large inventory of spare parts and exchange units for paragon marine gear. We service all makes and models of marine transmissions including twin disc, borg warner, reintjes & paragon.