Twin Disc Manual MG506 R-L PARTS & MANUALS.pdf Pages 1-20. SM - 175 1015921 MODELS MG - 506 R and L .. Find many great new & used options and get the best deals for CAT CATERPILLAR TWIN DISC MG-506 Marine Gear Repair Shop Service Manual overhaul at Service Manual. MFGX - 5145SC. 49 pages publ. July 2005. free download. 2 MB file. Twin Disc MG-506A marine transmission Service Manual Find many great new & used options and get the best deals for CAT Caterpillar TWIN DISC MG-506 Marine Gear Engine Service Repair Shop Manual at the Twin Disc, Incorporated makes no warranty or guaranty of any kind, expressed, implied or otherwise, with regard to the information contained within this manual. Twin Disc, Incorporated makes no warranty or guaranty of any . MG 506, MG5061, MG 5050, MG5055A Marine Transmission Service Manual #1019103. Twin Disc Manual - Twin Disc - MG-506 R & L - Service Manual - SM-175 Revised Issue B August 1978 . Page:10 - Models MG - 506 R and L Section II . Troubleshooting Checklist for Twin Disc MG506 Marine Transmission of your Twin Disc ® marine transmission MG506 Owner's operating or service manualTWIN DISC MARINE TRANSMISSION operators_manual.pdf - Download as PDF File (.pdf), Text File (.txt) or read online. Twin Disc, Incorporated has developed this manual through research and testing of the MG506 Series MG5091