Yamaha propellers · Virginia Beach

Yamaha XTO OS propeller: sizes, part numbers and fit.

XTO OS props are sized for the torque of Yamaha's V8 XTO Offshore on boats longer than 50 feet, with added blade area and diameters from 16 to 17 1/8 inches. Yamaha lists 20 three-blade stainless sizes from 15 to 27 pitch, in both rotations, on its Shift Dampener System hub.

Listed by Yamaha as XTO OS® Propellers

Material
stainless steel
Blades
three
Hub
SDS (Shift Dampener System)
Rotation
Right-hand and Left-hand
Diameter
16 to 17 1/8 in
Pitch
15 to 27
Get a quote on the XTO OSCall (757) 464-4600
Yamaha

Sizes

20 sizes
as Yamaha lists them.

10 pitches: 15, 17, 18, 19, 20, 21, 22, 23, 25 and 27. Diameter shrinks as pitch rises: 17 1/8 inches at 15 pitch, 16 at 27. 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.

Yamaha XTO OS propeller sizes and Yamaha part numbers
Diameter (in)PitchRotationHubPart number
17 1/815RHSDS*6GR-45970-10-00
17 1/815LHSDS*6GS-45970-10-00
16 7/817RHSDS*6GR-45972-10-00
16 7/817LHSDS*6GS-45970-10-00
16 5/818RHSDS*6GR-45938-10-00
16 5/818LHSDS*6GS-45938-10-00
16 5/819RHSDS*6GR-45974-10-00
16 5/819LHSDS*6GS-45974-10-00
16 3/820RHSDS*6GR-45936-10-00
16 3/820LHSDS*6GS-45936-10-00
16 3/821RHSDS*6GR-45976-10-00
16 3/821LHSDS*6GS-45976-10-00
16 1/822RHSDS*6GR-45934-10-00
16 1/822LHSDS*6GS-45934-10-00
16 1/823RHSDS*6GR-45978-10-00
16 1/823LHSDS*6GS-45978-10-00
1625RHSDS*6GR-45930-10-00
1625LHSDS*6GS-45930-10-00
1627RHSDS*6GR-45D74-00-00
1627LHSDS*6GS-45D74-00-00
  • 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.
  • Yamaha's table prints part number 6GS-45970-10-00 on more than one row. Shown as printed; we confirm the part number before ordering.

What it's for

The XTO OS
as Yamaha describes it.

  • Matched to V8 XTO Offshore torque on boats over 50 feet.
  • Diameters from 16 to 17 1/8 inches with added blade area.
  • Uses the patented Shift Dampener System.

Yamaha lists it for

Engines Yamaha names for it

Matched to V8 XTO Offshore torque on boats over 50 feet.

Compared

The XTO OS against
its closest prop lines.

vs XTO EC

  • Diameter: 16 to 17 1/8 in, against 16 1/8 to 16 7/8 in.
  • Pitch: 15 to 27, against 17 to 25.
  • Sizes listed: 20, against 10.

Same on both: stainless steel, three blades, right- and left-hand, SDS hub.

Only on the XTO OS: Matched to V8 XTO Offshore torque on boats over 50 feet.

vs Saltwater Series II

  • Diameter: 16 to 17 1/8 in, against 14 3/4 to 15 3/4 in.
  • Pitch: 15 to 27, against 13 to 23.
  • Sizes listed: 20, against 19.

Same on both: stainless steel, three blades, right- and left-hand, SDS hub.

Only on the XTO OS: Matched to V8 XTO Offshore torque on boats over 50 feet.

vs Saltwater Series II HP

  • Diameter: 16 to 17 1/8 in, against 15 to 15 1/4 in.
  • Pitch: 15 to 27, against 18 to 21.
  • Sizes listed: 20, against 8.

Same on both: stainless steel, three blades, right- and left-hand, SDS hub.

Only on the XTO OS: Matched to V8 XTO Offshore torque on boats over 50 feet.

Yamaha propellers

Other props
in this line-up.

Every Yamaha and TURBO prop

Common questions

Yamaha XTO OS
questions, answered.

Diameter: 16 to 17 1/8 in, against 16 1/8 to 16 7/8 in on the XTO EC. Pitch: 15 to 27, against 17 to 25 on the XTO EC. Sizes listed: 20, against 10 on the XTO EC. Both: stainless steel, three blades, right- and left-hand and SDS hub. Only on the XTO OS: Matched to V8 XTO Offshore torque on boats over 50 feet.

Yamaha's table lists 20 sizes across 10 pitches (15, 17, 18, 19, 20, 21, 22, 23, 25 and 27). Diameter shrinks as pitch rises: 17 1/8 inches at 15 pitch, 16 at 27. Every pitch comes in both right- and left-hand rotation.

Yamaha lists left-hand (LH) Yamaha XTO OS sizes at 15, 17, 18, 19, 20, 21, 22, 23, 25 and 27 pitch, alongside its right-hand sizes.

Matched to V8 XTO Offshore torque on boats over 50 feet. On this site that points to the Yamaha XF450 and Yamaha XF425.
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