The bow thruster tunnel 185mm to 386mm range provides tunnel components for marine thruster installations requiring diameters from 185 mm through 386 mm. The tunnel forms part of the structural installation for the thruster and must correspond with the dimensions required by the selected system.

This product is the tunnel component only. It does not include the thruster motor, drive assembly, controls, wiring or other elements needed for a complete bow or stern thruster installation.

Tunnel diameter is the primary selection factor. Marine thrusters are designed around specific tunnel dimensions, making it important to match the tunnel size to the compatible thruster model and the vessel’s installation layout.

This range covers larger tunnel diameters than the separate 110–185 mm product range. It is therefore intended for thruster platforms requiring a tunnel size from 185 mm up to 386 mm.

For new installations or replacement work, the selected diameter should correspond with the specifications of the compatible marine thruster. This 185–386 mm range provides the dedicated tunnel component required for larger bow thruster installations.

Specifications:

Diameter (D) Length (mm / in) Wall Thickness SKU / Part # Compatible Thruster Models
185 mm (7.28″) 1000 mm / 39.4″ 5.7 mm SM8011 SE60 / SE80 Series
185 mm (7.28″) 1500 mm / 59.1″ 5.7 mm SM8016 SE60 / SE80 Series
247 mm (9.72″) 1500 mm / 59.1″ 10.0 mm SM10016 SE130 / SE170 / SE210 / SH240
247 mm (9.72″) 2000 mm / 78.7″ 10.0 mm SM10021 SE130 / SE170 / SE210 / SH240
303 mm (11.93″)    1000 mm / 39.4″ 10.3 mm SM13011 SE200 / 220 / 240 / 285 & SH320-400
303 mm (11.93″) 1500 mm / 78.7″ 10.3 mm SM13016 SE200 / 220 / 240 / 285 & SH320-400
303 mm (11.93″) 2000 mm / 78.7″ 10.3 mm SM13021 SE200 / 220 / 240 / 285 & SH320-400
386 mm (15.20″) 1000 mm / 39.4″ 10.0 mm SM13711 All 386mm Ø Thruster Series
386 mm (15.20″) 1500 mm / 59.1″ 10.0 mm SM13716 All 386mm Ø Thruster Series
Weight 178 lbs
Diameter

386, 303, 247, 185

Length

2000, 1500, 1000

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