77 documented fitments
Sigma propellers, from the fitment record.
Every Sigma below links to its documented engines, gearbox ratios, drive types and propeller sizes — decades of installations, not brochure guesses.
Sigma · library burgee
Model library
Sigma models we've documented
- Sigma 33×28
Monohull · LWL 8 m
Most common: Beta Marine 25 → Varifold 2-blade
Fitment data → - Sigma 38×22
Monohull · LWL 9.45 m
Most common: Yanmar 3YM30 → Varifold 2-blade
Fitment data → - Sigma 36×8
Monohull
Most common: Volvo Penta 2003 → Varifold 2-blade
Fitment data → - Sigma 362×8
Monohull · LWL 18.75 m
Most common: Volvo Penta 2003 → Autoprop H5
Fitment data →
Own a Sigma?
Start the Builder with your model pre-selected — the documented Sigma fitments pre-fill the drivetrain and an engineer verifies the size.