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Motorguide Katana Two-Blade Propeller Review: More Efficient Thrust for Trolling Motors

Motorguide 8M4004173 Katana Two-Blade Propeller — 10.25-Inch Diameter, 3.5-Inch Hub — Includes Prop Pin, Nut and Washer, Black
4.6
[Innovative Design]  Advanced technology delivers top-tier power and efficiency for trolling motors.
[Improved Battery Efficiency]  Up to 30% better battery efficiency than previous props.
[Weedless Performance]  Optimized for current, shallow, and open-water operation to resist snags.
[Durable Construction Specs]  3.5-inch hub, 10.25-inch diameter, glass-filled nylon construction for durability.
[Includes Mounting Hardware]  Ships with prop pin, nut, and washer for easy installation.
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Sports accessory: the Motorguide Katana Two-Blade Propeller is a trolling motor propeller designed to improve battery efficiency and performance. Anglers can spend longer on the water and worry less about fast-draining batteries. Is it the right upgrade for a particular motor and fishing style?

⚡ At a Glance
  • Thrust Efficiency: Innovative design delivers up to 30% more battery efficiency compared to previous props
  • Best for: Anglers using electric trolling motors in shallow, current and open-water environments
  • Not ideal for: Owners of Hand-Op X3 models, since it will not fit those units

Two-blade propeller optimised for trolling motors. Designed to deliver more efficient operation than earlier Motorguide props.


Longer Run Time - Thanks to up to 30% more battery efficiency

Innovative design and advanced technology reduce motor load compared with previous propellers, resulting in up to 30% more battery efficiency as stated by the manufacturer.

Longer on-water sessions with the same battery capacity, so fewer interruptions to change or recharge batteries.

Cleaner Runs in Vegetation - With a weedless two-blade profile

Weedless prop configuration is specifically noted to excel in current, shallow and open-water applications where vegetation and debris are common.

Fewer snags and easier retrieval through weed beds, which helps maintain speed and control while trolling.

Straightforward Compatibility - With a 3.5-inch hub and 10.25-inch diameter

Designed with a 3.5-inch hub and a 10.25-inch overall diameter, the propeller matches common trolling motor fittings and geometry.

Quick swap for compatible motors, delivering a direct replacement that restores expected thrust and handling.

✨ The 4 Key Reasons for Motorguide Katana Two-Blade Propeller
  1. Glass-filled nylon construction - Durable finish resists corrosion and everyday impacts
  2. Complete mounting kit included - Prop pin, nut and washer simplify installation and reduce downtime
  3. Two-blade profile - Steady torque and predictable handling for stable boat control in changing conditions
  4. Engineered geometry - Improved responsiveness under load for better thrust when fighting current
📋 Technical Details at a Glance
  • Category: Sports — Trolling motor propeller
  • Diameter: 10.25-inch
  • Hub: 3.5-inch hub
  • Blade Count: Two-blade
  • Construction: Glass-filled nylon
❓ Frequently Asked Questions

Q: Will this prop fit my Hand-Op X3 motor?

A: No. The propeller will not fit Hand-Op X3 models, as stated in the product details.

Q: What material is the propeller made from?

A: Glass-filled nylon construction is used for the propeller, offering durability for trolling use.

Q: What hardware is included in the package?

A: The package includes a prop pin, nut and washer to allow direct installation where compatible.

🏆 Our Verdict

The Motorguide Katana Two-Blade Propeller is well suited to anglers running electric trolling motors who need longer run-times and reliable shallow-water performance. Its key selling point is an innovative, weedless two-blade design that claims up to 30% improved battery efficiency. Durable construction and included mounting hardware make it a practical upgrade with strong long-term value.