Polastorm Saltist duplex stainless steel propeller is a 3-blade, right-hand rotation boat propeller with a diameter of 14 3/4″ and a pitch of 17″. The propeller is designed for outboards and sterndrives with a 4 3/4″ gearcase and is recommended for engine installations in the 200–250 hp range, when the correct engine-specific hub kit is used.
The propeller is manufactured from ASTM A890 Grade 4A duplex stainless steel by Aerospace Precision Casting (APC). The material is solution heat-treated and has documented general material properties of 680 MPa in tensile strength, 450 MPa in yield strength, 25% elongation at break, and 26 HRC hardness. The alloy's chromium and copper content contributes to corrosion resistance in maritime environments.
The dimension 14 3/4 x 17 indicates a propeller diameter of 14 3/4″, equivalent to 374.65 mm, and a theoretical pitch of 17″, equivalent to 431.8 mm per revolution. This variant is right-hand rotation and has manufacturer no. 5789-3148-17. The model is comparable to the Solas Rubex HR3 and Solas HR Titan.
The propeller is supplied without a hub and shock absorber. A separate hub kit must be selected based on engine brand, engine model, gear shaft, and number of splines. Relevant hub kits in the 4 3/4″ series include 52.580.02/F21 for Mercury, 52.581.03/F23 for Yamaha, 52.582.06/F28 for selected BRP, Johnson, Evinrude, and Suzuki engines, 52.583.02/F29 for selected Honda, Tohatsu, and Nissan engines, and 52.586.01/F42 for selected Volvo installations. The specific combination must always be checked before ordering.
A complete hub kit includes a shock absorber, thrust washer, front washer, spacer, and nut. The interchangeable hub design allows the propeller to be adapted to the documented engine installation without a fixed, integrated engine-specific hub.
Cross-references
Manufacturer no. 5789-3148-17 is cross-referenced with EMP P9551-1475-17, Solas 9551-148-17, Mercury 48-898994A46, Michigan Wheel 933517, and Turning Point 31501712. The cross-references identify comparable propellers but do not replace the verification of diameter, pitch, rotation, gearcase, and hub kit.
Always check the engine/drive model, gearcase, splines, direction of rotation, and original part number before purchase.
Key featuresSaltist model with 3 blades
Diameter and pitch: 14 3/4″ x 17″
Right-hand rotation
ASTM A890 Grade 4A duplex stainless steel
APC precision cast and solution heat-treated
For 4 3/4″ gearcase
Recommended engine power: 200–250 hp
Supplied without engine-specific hub kit
Manufacturer no.: 5789-3148-17
