///QuietTorque™ 5.0 Electric Motor

QuietTorque™ 5.0 Electric Motor


The QuietTorque™ 5.0 is a 5kW electric propulsion system recommended for boats up to 29’ (LOA) and 7,000lbs displacement.

Pay a deposit of $1,000.00 per item


The QuietTorque 5.0 provides 48v electric propulsion, providing high sustained output, and is ideal for small day sailors. By using a PMAC (Permanent Magnet AC), Electric Yacht can produce this compact Plug-n-Play powerful, light weight, air cooled system.  Typical battery size is 100Ah or more at 48v.  These systems can be installed by a competent boat owner using simple tools and the easy to mount Electric Yacht system.  To be prudent, we recommend that a certified marine electric technician review the completed system.  Typically programed and sized to push boat at cruising or harbor speed. Each system is engineered for your boat to maximize the speed and range of the boat.  The System is backed by Electric Yacht’s three-year warranty.

A compact saildrive option is for this motor providing power with a footprint similar to that of a diesel transmission.  This is an ideal combination for the newer and larger monohull or multihull sailboats.


Motor type: PMAC* brushless motor
Voltage: 48 Vdc
Current: 100 Adc
Max power input: 5.0 kW
Shaft size: 3⁄4 to 1 1⁄2 inch and metric stainless steel
Weight: 55 pounds
Frame: Anodized Aluminum
*Permanent Magnet Alternating Current

Standard Features

Motor Mounts Adjustable Mounts to current engine stringers

Throttle Anodized Al waterproof throttle with key & neutral lock

Digital Display

  • State of Charge (SOC)
  • Voltage, Current, Power and motor RPM
  • Program battery type and size
  • Time to Discharge based on current power consumption, updated in real time
  • Programmable regeneration

Stainless Steel shaft coupler

Power Switch Blue Sea two position switch

Relay 500amp TE Connectivity vacuum relay

Fuse Class-T fuse and holder

QT5 Product Data Sheet

QT5 Product Drawing


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