Yamaha propellers · Virginia Beach
Yamaha XTO EC propeller: sizes, part numbers and fit.
The XTO EC is a three-blade stainless prop Yamaha lists for XTO Offshore rigs that have a ventilation problem, with extra cup at the trailing edge for bite. Its table runs from 17 to 25 pitch at diameters between 16 1/8 and 16 7/8 inches, and every pitch is listed in right- and left-hand rotation on Yamaha's SDS hub.
Listed by Yamaha as XTO EC® (SDS®)
- Material
- stainless steel
- Blades
- three
- Hub
- SDS (Shift Dampener System)
- Rotation
- Right-hand and Left-hand
- Diameter
- 16 1/8 to 16 7/8 in
- Pitch
- 17 to 25
Sizes
10 sizes
as Yamaha lists them.
5 pitches: 17, 20, 21, 24 and 25. Diameter shrinks as pitch rises: 16 7/8 inches at 17 pitch, 16 1/8 at 25. Every pitch comes in both right- and left-hand rotation.
Part numbers, specs and features: Yamaha, read from yamahaoutboards.com/propellers/large-boats on 2026-10-05. Yamaha updates its listings; we confirm the part number when we quote.
| Diameter (in) | Pitch | Rotation | Hub | Part number |
|---|---|---|---|---|
| 16 7/8 | 17 | RH | SDS* | 6KN-45970-00 |
| 16 7/8 | 17 | LH | SDS* | 6KP-45970-00 |
| 16 5/8 | 20 | RH | SDS* | 6KN-45976-00 |
| 16 5/8 | 20 | LH | SDS* | 6KP-45976-00 |
| 16 3/8 | 21 | RH | SDS* | 6KN-45978-00 |
| 16 3/8 | 21 | LH | SDS* | 6KP-45978-00 |
| 16 1/8 | 24 | RH | SDS* | 6KN-45972-00 |
| 16 1/8 | 24 | LH | SDS* | 6KP-45972-00 |
| 16 1/8 | 25 | RH | SDS* | 6KN-45974-00 |
| 16 1/8 | 25 | LH | SDS* | 6KP-45974-00 |
- RH is right-hand rotation, LH left-hand. Rows are printed exactly as on Yamaha's table.
- SDS is Yamaha's Shift Dampener System hub. The asterisk is Yamaha's own mark.
What it's for
The XTO EC
as Yamaha describes it.
- For specific XTO Offshore applications where ventilation is a problem.
- Diameters up to 16 7/8 inches; pitches 17 to 25.
- Extra trailing-edge cup for better grip.
Yamaha lists it for
Engines Yamaha names for it
For specific XTO Offshore applications where ventilation is a problem.
Compared
The XTO EC against
its closest prop lines.
vs XTO OS
- Diameter: 16 1/8 to 16 7/8 in, against 16 to 17 1/8 in.
- Pitch: 17 to 25, against 15 to 27.
- Sizes listed: 10, against 20.
Same on both: stainless steel, three blades, right- and left-hand, SDS hub.
Only on the XTO EC: For specific XTO Offshore applications where ventilation is a problem.
vs Saltwater Series II
- Diameter: 16 1/8 to 16 7/8 in, against 14 3/4 to 15 3/4 in.
- Pitch: 17 to 25, against 13 to 23.
- Sizes listed: 10, against 19.
Same on both: stainless steel, three blades, right- and left-hand, SDS hub.
Only on the XTO EC: For specific XTO Offshore applications where ventilation is a problem.
vs Saltwater Series II HP
- Diameter: 16 1/8 to 16 7/8 in, against 15 to 15 1/4 in.
- Pitch: 17 to 25, against 18 to 21.
- Sizes listed: 10, against 8.
Same on both: stainless steel, three blades, right- and left-hand, SDS hub.
Only on the XTO EC: For specific XTO Offshore applications where ventilation is a problem.
Yamaha propellers
Other props
in this line-up.
- Yamaha Saltwater Series II
- Yamaha Saltwater Series XL
- Yamaha Saltwater Series II HP
- Yamaha XTO OS
- Yamaha Saltwater Series XL4
- Yamaha Saltwater Series XL4 HP
- Yamaha Saltwater Series HS4
- Yamaha Reliance
- Yamaha Talon SS
- Yamaha Aluminum
- Yamaha Talon GP
- Yamaha Talon Pontoon
- Yamaha Talon SS4
- Yamaha Painted Stainless Steel
- Yamaha Performance 3
- Yamaha Dual Thrust
- Yamaha Talon
- Yamaha V MAX SHO
- Yamaha Pro Series
- Yamaha Performance XT
Common questions
Yamaha XTO EC
questions, answered.
More from Yamaha
The rest of
the Yamaha catalog.
Get a quote
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