Tunnel Thruster · Bow/Stern Thrusters
A 75 kW tunnel‑type bow thruster (Hydromaster HM‑TT‑75) delivering up to 9 kN of lateral thrust through a compact 560 mm diameter duct, intended to improve low‑speed maneuverability in confined waters.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
Other models of the same equipment type, Hydromaster first.
What our service work and the manufacturer documentation say about keeping this model running.
Inspect propeller and tunnel or retractable housing when accessible, seals, gearbox or bearings, lubrication, motor or hydraulic drive and control feedback. Review vibration, oil condition, temperature and thrust response. Test bridge and local control under an approved manoeuvring procedure. Refer to the manufacturer documentation for the exact figure for lubrication, clearance, electrical and wear limits.
Carry seals, filters, approved lubricant, motor-control or drive spares, feedback sensors and critical hydraulic, steering or electrical components.
Free of charge — we forward your request to qualified suppliers for Hydromaster equipment from our network of over 114,000 maritime companies.
Tell us what you need for this Hydromaster HM-TT-75 bow — a part, a service call, a second opinion. Are you Hydromaster? Claim this brand page.
Service engineer? Write the day report for this HM-TT-75 bow in OceanSphere Work — photos, hours and parts, as a PDF for the owner. Try it free for 14 days →
Yes. Specifications, documents and service notes for this model are readable without an account. An account adds saved searches and requests, nothing is taken away.
Yes. Tell us the manufacturer, the model and what you need — our desk asks the right suppliers from a network of over 114,000 companies and comes back with a quote or a sourcing plan.
Send us the nameplate or the correct value. We check it against the manufacturer datasheet or class-society record and update the page.