Our spiral bevel gears are cut and tested on Gleason machines. The forward and pinion gears are made from a higher grade alloy to provide for extended life. Gear wear patterns and backlash specs are verified to be within spec.
SEI's replacement drives are available in 4 gear ratios: 1.47, 1.62, 1.81, and 1.94
Our water pump impellers are made of high quality, long lasting, neoprene rubber.
SEI uses Heavy Duty U-joints for all four operating gear ratios: 1.47 (20/22), 1.62 (24/24), 1.81 (17/19) and 1.94 (20/24).
Oil Seals & Gaskets
SEI has designed and sourced its own high performance line of these products.
All bearings have sucessfully completed hundreds of hours of stationary dock testing at our Research Facility
SEI's bearing carriers are made of die-cast anodized aluminum.
SEI's prop and driveshafts are friction welded bimetal. The gearbox end of the shaft is comprised of hardened alloy 8620, while the shaft end exposed to the elements is 17-4PH Stainless Steel.