Tunnel Thruster

The tunnel thruster is installed in the bow or stern on the vessel to create transverse thrust. Propellers that produce thrust could be driven by electric motor，hydraulic motor or diesel engine. The driving part is assembled in the whole tunnel structure.

・Possibility for flexible installation to reduce vibration.
・CRP tunnel thruster making the size of the gear and the lower box significantly smaller, and the lower gearbox tends to streamline,reducing the flow resistance and noise.
・The counter rotating propellers greatly reduces the bearing load and improves the safety and reliability of thruster operation.

Fixed pitch single propeller(FPP).
Fixed pitch counter rotating propellers(CRP).
Controllable pitch propellers(CPP).

Driven 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 and so on.

CRP tunnel thruster

Type	Max Power (kW)	Propeller Diameter(mm)	Inner Tunnel Diameter(mm)	Tunnel Thickness(mm)	Tunnel Length(mm)	Max 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
TLCT60	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
TLCT150	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

Type	Max Power (kW)	Propeller Diameter(mm)	Inner Tunnel Diameter(mm)	Tunnel Thickness(mm)	Tunnel Length(mm)	Max Thrust (kN)
TLTT80	200	800	825	15	920	30
TLTT90	280	900	930	15	920	42
TLTT110 TLTT110-CP	375	1100	1130	15	1400	60
TLTT135 TLTT135-CP	560	1350	1378	16	2000	84
TLTT155 TLTT155-CP	680	1500	1535	15	2000	102
TLTT165 TLTT165-CP	750	1650	1685	25	2000	112
TLTT185 TLTT185-CP	950	1850	1890	25	2000	152
TLTT200 TLTT200-CP	1300	2000	2040	25	2100	195
TLTT225 TLTT225-CP	1560	2250	2290	25	2400	235
TLTT250 TLTT250-CP	1750	2500	2550	30	2800	262
TLTT265 TLTT265-CP	2050	2650	2700	30	2800	306
TLTT280 TLTT280-CP	2450	2800	2845	30	2850	368
TLTT300 TLTT300-CP	2800	3000	3060	40	3100	420
TLTT330 TLTT330-CP	3150	3300	3360	40	3400	472
Remarks: TLTTXXX means single fixed pitch propeller tunnel thruster type and TLTTXXX-CP means controllable pitch propeller tunnel thruster type.

SeaMac Marine Propeller

Founded in 2010 and headquartered in Guangdong, China, SEAMAC Group Co., Ltd. is committed to becoming a leading one-stop supplier in the maritime field. We have our own marine propeller factory and stock nearly 5,000 propellers of different specifications, covering all types of ship needs. Every production process is strictly controlled to ensure the high quality and stability of the product. With nearly 15 years of technology and experience in the industry, SEAMAC can now not only provide efficient marine propellers, but also a full range of power system solutions including marine engines, marine controllers and marine generator sets.

OEM or ODM !

Customize Your Propeller

We offer tailor-made propeller solutions for every vessel, ensuring optimal fuel efficiency, enhanced performance, and reduced vibration. By working closely with our team of expert engineers, you can customize your propeller’s size, blade design, materials, and performance specifications to meet your exact needs. Whether it’s maximizing cargo capacity, optimizing speed, or improving stability, our custom propellers are engineered to meet your specific technical requirements. With state-of-the-art design tools and precision manufacturing processes, we deliver the most efficient propeller to ensure your vessel performs at its best in all maritime conditions.

To facilitate customization, you may need to click here to let us know your requirements.

Download