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Max Motion MRS75-30-140TC | Stainless Steel Gearbox 140TC 30:1 Size 75 Output Bore 1.25"

Marsoni M251S
Sale price$2027.06
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Max Motion MRS75-30-140TC | Stainless Steel Gearbox 140TC 30:1 Size 75 Output Bore 1.25"Product Details : Max Motion MRS75 30 140TC Stainless Steel Gearbox 140TC 30: 1 Size 75 Output Bore 1. 25" Part No: MRS75 30 140TC Size: 75 NEMA Frame: 140TC Input Bore: 7 8" Output Bore: 1. 25" Ratio: 30: 1 Output RPM: 58 Output Torque (IN. Lbs): 2027 Max Input @1750 RPM: 2. 41 Max Overhung Load (Lbs): 922 Material: 304 Stainless Steel Warranty: 2 Years Weight (Lbs): 31 Comes with 5 8 Stainless Reduction Bushing Product Accessories: Size 75 304SS
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Exchange/Return Notes
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katelyn traut
Draper, US
★★★★★ 5
Perfect fit
Worked great for a 1965 mercury thunderbolt 150hp
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2025
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Verified Purchase
Lawrence Brown
Lowell, US
★★★★★ 5
MerCruiser Replacement Parts
OEM quality MerCruiser Alpha 1 Gen1 replacement part. Everything you need and some things you don't because it's a universal kit that works for several models.
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Reviewed in the United States on July 19, 2025
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Owen Shirk
Dallas, US
★★★★★ 5
OEM is always the answer
No reason not to go OEM for this! Came with every possible gasket and seal I could need. Specifically for my Alpha One Gen 1 it took maybe 25-30 min to completely install. While you’re there check the base plate for wear and the other surrounding items like your water tube. Rather keep the lower unit off for an extra day to get another part than a catastrophic failure.
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Reviewed in the United States on September 9, 2025
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Verified Purchase
Taylor 🤍
Massapequa, US
★★★★★ 5
Husbands things
My husband bought this. I don’t know much about it but he has zero complaints. He bought it for a boat. He has fixed up 2 boats, sold one & we kept the other. So he apparently knows what to buy & how to use it.
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Reviewed in the United States on November 6, 2025
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Edward W.
Whiting, US
★★★★★ 4
Amazon is easy and fast . No problems the oarts was exactly as described.
liked that everything was in one bag . and could make sure everything was changed .
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Reviewed in the United States on August 3, 2020

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