Free - Allison MH Troubleshooting Guide Allison MH - Marine Gear Parts for Australia - Gear Shaft Section Loading... 1 Coupling for Allison marine gear MH - New 6751915 . Price: $ 2,579.92 Qty: ^ Details In Stock Add to Cart 2 Upper input shaft for Allison marine transmission MH, Used 6772039 . Price: $ 1,554.00 Qty: ^ Details In Stock Add to Cart 3 Lower output shaft, Allison marine transmission MH - New 23017243 . Price: $ 2,273.60 Qty: ^ Details In Stock Add to Cart 4 DP-6771998 6771998 Lower output shaft - used Price: $ 1,915.20 Qty: ^ Details In Stock Add to Cart 5 Sleeve ring for Allison marine gear M and MH 6700508 3 per transmission. Add 3 to quantity when purchasing Price: $ 52.96 Qty: ^ Pictures In Stock Add to Cart 6 Mechanical Gauges Standard Mechanical Gauges with Alarm Electrical Gauges 12 Volts Electrical Gauges 24 Volts 7 Controls Cables & More... See All Control, Cables & More 8 Marine Water Pumps Detroit Diesel Cummins Caterpillar John Deere See All... 9 Engine Water Pumps Detroit Diesel Cummins Caterpillar John Deere Allison marine transmission MH upper input shaft and lower output shaft. Allison marine transmission MH MH15, MH15l, MH15r, MH20, MH20l, MH20r, MH30, MH30l, MH30r, MH45, MH45l, MH45r. Free - Allison MH Troubleshooting Guide