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Old 24-07-2010, 11:16   #1
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Volvo MD2B Hydraulic Transmission ?

Greetings,

I'm considering purchasing a sailboat that has a Volvo MD2B with a hydraulic transmission. The owner states that the transmission won't go into any gears because the "three-way hydraulic valve" needs to be replaced/repaired.

Does anyone have knowledge of this system in order to make an educated guess on what it's going to take to get the transmission working and the potential cost?

Thanks for your time.

Michael
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Old 24-07-2010, 11:23   #2
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Originally Posted by MPienta View Post
Greetings,

I'm considering purchasing a sailboat that has a Volvo MD2B with a hydraulic transmission. The owner states that the transmission won't go into any gears because the "three-way hydraulic valve" needs to be replaced/repaired.

Does anyone have knowledge of this system in order to make an educated guess on what it's going to take to get the transmission working and the potential cost?

Thanks for your time.

Michael
MD2's are so old I wouldn't consider it a viable engine with even a minor failure.
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Old 24-07-2010, 11:50   #3
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MD2's are so old I wouldn't consider it a viable engine with even a minor failure.
Indeed, Volvo stopped making the MD2B in 1975.

Parts, when available, are treated as priceless as antiques.

FWIW: Item 10, the "Direction Valve", is OUT of PRODUCTION (no replacement part listed).
Volvo Penta Exploded view / schematic HYDRAULIC TRANSMISSION MD2B - MarinePartsEurope.com
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Old 24-07-2010, 12:13   #4
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Thanks for the input. The MB2B engine was recently serviced and checks out OK but the transmission is a big "?" due to the presumed faulty "direction valve". I hear that the valve can be repaired versus replaced and might be willing to give the owner the $$ to have the valve repaired and then "see what happens".

There is another same make model boat , locally, that is listed with a broker at four times the price . Budgeting $6k-$8k for a future engine replacement still a lot less expensive then the boat offered by the broker.

Ideally, I would like to use the current MD2B setup for a few years and then re-power, when I have a better idea of my needs.

Michael
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Old 24-07-2010, 13:59   #5
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consider pulling the valve and taking it to a local hydraulics repair facility.

these guy's might help you find someone
ParkerStoreā„¢ - Parker
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