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Home Inboard and Sterndrives, Sterndrives Konrad 660B Sterndrive
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Konrad 620B Sterndrive $14,350.00
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Konrad 660B Sterndrive

1 review

$15,450.00

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Category: Inboard and Sterndrives, Sterndrives
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Description

The Konrad 660B is well known for fast performance driven applications, such as extreme government patrol and military intercept. The 660B is built to meet the demand for speed and precision. Designed for 7-15 meter (23-50 foot) vessels seeking speeds up to 60 knots (70 mph):

INTENDED FOR MILITARY, COMMERCIAL, MEDIUM DUTY, AND RECREATIONAL PERFORMANCE THE KONRAD 660B OFFERS

* Oversized bearingsn* Thicker walled casingsn* Dual, counter rotating propellersn* Continuous oil circulation for cool operatio* No corrosive exhaust through driven* Precision machined super alloy gearsn* No failure-prone cone clutchn* Minimal maintenance required

Standard Equipment (Supplied with Sterndrive)

* Complete sterndrive assemblyn* Ier and outer transom assemblyn* Digital trim display and Trim pump assemblyn* Oil reservoir with low level sensor for use in hulln* Drive comes full of sterndrive lubricantn* Two quarts of power trim fluidn* Transom mounted; integrated trim and steering cylinders

Additional Equipment Required

* Transmissio* Propellern* Steering packagen* Drive shafts/transmission tail piecen* Bellhousing adaptern* Flywheel couplingn* Transmission oil coolern* Alignment tool

Options for Individual Applications

* Dual Helm kitsn* Isolator Mountsn* Installation tool kitn* Extension kitsn* Tie barsn* Stand off boxesn* Technical engineering assistance

MANUFACTURING SPECIFICATIONS

BearingsnTaper roller bearings, spaced for optimum load carrying capabilities, support the shaftsCastingsnManufactured from high strength, heat treated aluminumGearsnHigh strength heat treated alloy steel utilizing high performance marine technologyShaftsnManufactured from high alloy, heat treated steelU-JointnIndustry leading size for increased load carrying capacity and extended life

OPERATIONAL SPECIFICATIONS

ApplicatioRecreational or CommercialEngine CoectioDirect or Remote (Jack or CV Shaft)ExhaustnNone through the sterndriveGear Ratios1.07:1n1.23:1n1.31:1n1.50:1n1.67:1LubricatioFull Immersion, seventeen quarts with external reservoirPropellernDiameter Range – 13.25 in – 16 in (33.7 cm – 40.6 cm)RotatioCounter rotatioSteering Anglen50° rangeTransmissioReversing transmission requiredTransom MountingnTemplate available per applicatioTransom Requirementsn13° angle nominal, 6.4 mm – 79.4 mm (1/4 in – 3 1/8 in) thickTrim/Lift SystemnApproximate -6° to +10° trim, twin cylinders with electrohydraulic pumpApproximate 30° of total lift rangeWater PickupnNone through the sterndrive

Shipping & Delivery
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Effective Date: August 9, 2025

At X Factors Motorsports, we are committed to delivering your order quickly, securely, and affordably.


1. Processing Time

  • Orders are typically processed within 1–2 business days after payment is confirmed.

  • Orders placed on weekends or holidays will be processed on the next business day.


2. Delivery Times

  • Domestic Shipping (United States): Delivery takes 5–7 business days from the date of shipment.

  • International Shipping: Delivery times vary by destination and may take 7–21 business days depending on customs processing and local delivery services.


3. Shipping Rates

  • United States: Free standard shipping on all orders.

  • International: Shipping costs are calculated at checkout based on the delivery address, package weight, and destination country.


4. Carriers Used

We ship orders using trusted carriers such as UPS, FedEx, USPS, and DHL to ensure reliable delivery. Tracking numbers are provided for all shipments.

Customer Reviews

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H
Henry
Exceptional Performance and Reliability!

I recently installed the Konrad 660B Sterndrive, and I couldn't be happier with the performance! From the moment I hit the water, the smooth operation and power were evident. It accelerates quickly and provides excellent control, making every outing enjoyable.
The build quality is top-notch, and you can tell it's designed for durability. Installation was straightforward, and the engineering behind this sterndrive is impressive. I appreciate the thoughtful features that enhance both performance and maintenance.
Overall, the Konrad 660B has exceeded my expectations. It's reliable, efficient, and truly enhances my boating experience. I highly recommend it to anyone looking for a high-quality sterndrive!

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