Description
The Allison M and MH marine transmissions were exclusive manufactured for Detroit Diesel marine engines and come in the following models: M15, M15L, M15R, M20, M20L, M20R, MH20, MH20L, MH20R, MH45, MH45L, MH45R. For the curious, MH 20 R stands for Allison MH marine transmission with a 2 to 1 ratio that is right hand rotation. You will find these marine transmissions in fishing, scuba diving, coast guard, and other work and pleasure boat applications around the globe.
Detroit Diesel/Allison part # – 23010125
Outside Diameter: 15.75 in
Inside Diameter: 8.475 in
Teeth: 16
Type: wet
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