Precision Gears & Shafts for Marine Equipment Manufacturers
Tracey Gear & Precision Shaft manufactures custom gears, splines, and precision shafts to engineering drawings for marine equipment manufacturers, including builders of marine drives, steering systems, deck machinery, and pumps. Every part is made in our Pawtucket, Rhode Island facility under an ISO 9001:2015 certified quality system, in small to medium production runs, 100% in the USA.
We are a build-to-print manufacturer. You supply a complete engineering drawing, and we develop the manufacturing method to hold the dimensions, tolerances, and finishes it calls out.
Marine Components We Manufacture
- Propulsion and reduction gears: spur gears and helical gears
- Steering gears, including worm gears & worm shafts
- Winch and windlass gears, including bevel gears and sprockets
- Propeller shafts and pump shafts, ground up to 72″ between centers or 10″ in diameter
- Splined shafts and splined couplings
- Planetary gears for marine drives
- Threaded components produced by CNC thread grinding
Equipment We Supply
- Marine drives and reduction gearing
- Steering systems
- Deck machinery, including winches and windlasses
- Marine pumps
Materials
Most of our marine work is in stainless steel and bronze. We also manufacture marine components in steel and nylon. Material must be specified on your drawing. We do not recommend or select materials.
Finished Parts with Full Certifications
We manage heat treating, plating, passivation, and other outside processes through our network of qualified vendors, so you receive a finished part on one purchase order. We require certifications for all raw material and outside processes, and we provide them with your order when required.
Why Marine Equipment Manufacturers Choose Tracey Gear
- Gears up to 36″ in diameter, 3 to 48 DP or 0.5 to 8 module, up to AGMA Q11
- Shafts ground to 0.0003″ total tolerance with finishes down to 8 µin Ra
- Material and outside process certifications available on every order
- Gear cutting, grinding, thread grinding, turning, milling, and broaching under one roof
- Family-owned since 1945, ISO 9001:2015 certified, 100% made in the USA
Common Questions
Do you make replacement parts for boat owners?
No. We manufacture components for marine equipment manufacturers, built to their engineering drawings. We do not supply replacement parts to boat owners, and we do not work from worn or sample parts.
Can you provide material and process certifications?
Yes. We require certifications for all raw material and outside processes, including heat treating, plating, and passivation, and we provide them with your order when required.
Do you work in stainless steel and bronze?
Yes. Stainless steel and bronze make up most of our marine work, as specified on our customers’ drawings.
What We Need to Quote
Please send a complete engineering blueprint that includes:
- Geometry, dimensions, and tolerances
- Full gear, spline, or thread data
- Material and any heat treatment
- Surface finish requirements
- Plating, passivation, or other process specifications
- Certification requirements
- Quantity