Volvo Penta MD7A Instruction Book page 15

TECHNICAL DESCRIPTION
S-DRIVE MODEL 110S (MD7A/110S)
The power from the engine is transmitted via a rubber flange carrier to the S-Drive.
For operating "Forward" and "Reverse" the Volvo patented cone clutch is used, which
ensures smooth and quiet engagement. Very small forces are required to operate the
reverse gear.
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