Bow Thruster / Tunnel Thruster

A Bow Thruster is a ship propulsion system with the purpose of manoeuvring the bow of a vessel sideways (transversal). It allows the captain to turn the vessel to port or starboard during mooring and docking without using the main propulsion. Even the most restricted areas. It can also be executed as a stern thruster.
 The driving parts are assembled as one bow thruster or stern thruster system by means of a tunnel structure. This tunnel structure is built into the bow or stern part of the ship’s hull.

Drive types:
Diesel engine drive, electric motor drive, hydraulic motor drive.

Installation types:
L-drive for vertical main drive motor installation(electric motor and hydraulic motor).
Z-drive installation (often used for diesel engine drives but also electric drives).
Flexible installation (to reduce vibration).

Main applicable ship types:
Typical applications for electric propulsion ship, hybrid ship, marine surveillance vessel, unmanned intelligent ship, ferry, tourist ship, deluxe passenger ship, container vessel, fishing vessel, LPG carrier, LNG carrier, PSV, AHTS, OSV, yacht, navy vessel, etc.

For more information and to get the best price/performance advice, please complete our bow thruster questionnaire. It will only take two minutes of your time.

Contra-rotating Propeller Tunnel Thruster

ModelMaximum Power(kW)Propeller Diameter(mm)Tunnel Inner Diameter(mm)Tunnel Wall Thickness(mm)Tunnel Length(mm)Maximum Thrust(kN)
TLCT25

18.5

225

250

8

450

2.8

TLCT37

37

370

400

10

600

6.0

TLCT50

90

500

520

12

900

14,0

TLCL60

132

600

625

12

1000

21.0

TLCT70

185

700

725

15

1250

29,6

TLCT80

280

800

825

15

1250

44.5

TLCT100

375

1000

1030

20

1400

60.0

TLCT120

560

1200

1230

20

1700

88

TLCL150

750

1500

1535

25

2000

120

TLCT165

950

1650

1685

25

2100

150

TLCT185

1300

1850

1885

25

2400

206

TLCT200

1560

2000

2040

30

2600

248

Single Propeller Tunnel Thruster

ModelMaximum Power(kW)Propeller Diameter(mm)Tunnel Inner Diameter(mm)Tunnel Wall Thickness(mm)Tunnel Length(mm)Maximum Thrust(kN)
TLTT80

200

800

825

15

920

30

TLTT90

280

900

930

15

920

42

TLTT110

375

1100

1130

15

1400

46

TLTT135

560

1350

1378

16

2000

84

TLTT150

680

1500

1535

15

2000

102

TLTT165

750

1650

1685

25

2000

112

TLTT185

950

1850

1890

25

2000

152

TLTT200

1300

2000

2040

25

2100

195

TLTT225

1560

2250

2290

25

2400

235

TLTT250

1750

2500

2550

30

2800

262

TLTT265

2050

2650

2700

30

2800

306

TLTT280

2450

2800

2485

30

2850

368

TLTT300

2800

3000

3060

40

3100

420

TLTT330

3150

3300

3360

40

3400

472

Controllable Pitch Propeller Tunnel Thruster

ModelMaximum Power(kW)Propeller Diameter(mm)Tunnel Inner Diameter(mm)Tunnel Wall Thickness(mm)Tunnel Length(mm)Maximum Thrust(kN)
TLTT110-CP

375

1100

1130

15

1400

60

TLTT135-CP

560

1350

1378

16

2000

84

TLTT150-CP

680

1500

1535

15

2000

102

TLTT165-CP

750

1650

1685

25

2000

112

TLTT185-CP

950

1850

1890

25

2000

152

TLTT200-CP

1300

2000

2040

25

2100

195

TLTT225-CP

1560

2250

2290

25

2400

235

TLTT250-CP

1750

2500

2550

30

2800

262

TLTT265-CP

2050

2650

2700

30

2800

306

TLTT280-CP

2450

2800

2845

30

2850

368

TLTT300-CP

2800

3000

3060

40

3100

420

TLTT330-CP

3150

3300

3360

40

3400

472

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