QuietTorque™ 20.0 Sail Drive


The QuietTorque™ 20.0SD is recommended for monohulls up to 45’ (LOA) and 24,000lbs displacement; catamarans from 40′ to 46′.

  • Choose Your Display

    Choose Your Throttle

    Choose Your Charge Sensor

    Select Your Battery or Batteries

    NOTE: You can shop all our batteries here.

    Choose Your Charger

Pay a deposit of $1,000.00 per item


 The QuietTorque™ 20.0SD is recommended for boats up to 42’ (LOA) and 22,000lbs displacement.

Typically replaces gas or diesel engines in the 25hp – 40hp range.  Typical battery size is 300 – 500Ah


Motor type: PMAC* Brushless
Voltage: 48Vdc nom (36-65Vdc)
Max. Input Power: 20.0 kW
Cont. Input Power: 16.0 kW
Hull Installation: Installs through 9” round hole
Weight: 170 lbs (77 kg)
Frame: Anodized Aluminum
*Permanent Magnet Alternating Current

Additional Information


Standard Features

Motor Mounts Fits same 9” diameter mounting as diesel saildrives
Throttle Stainless steel throttle with key & neutral lock
System Monitor Programmable digital display
• State of Charge (SOC)
• Voltage, Current, Power and RPM
• Time to Discharge (TTD)
• Programmable regeneration and max power
• Programmable RH or LH propeller rotation
• Programmable for flooded, AGM and LiFePO4 battery type and size
Power Switch Blue Sea two position switch
Relay 500A TE Connectivity vacuum relay
Fuse Class-T fuse & holder

 WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.

 WARNING: Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. Batteries also contain other chemicals known to the State of California to cause cancer. Wash hands after handling. For more information, go to www.P65Warnings.ca.gov.