Mercury SeaPro 150hp – ultra-reliable 3.0L four-stroke workhorse outboard

Code:

1151F17ED

Mercury 150 Seapro 150HP FourStroke Outboard

Features

Engine hp:

150 hp
Engine type:

4 cylinders inline / SOHC 8 valves
Displacement:

3000 cc (L)
Max. RPM:

4800 - 5300 RPM RPM
Alternator Amp / Watt:

60A / 756W
Fuel recommendation:

Unleaded regular, minimum 87 octane (R+M/2) or 90 RON, maximum 10% ethanol
Engine protection system:

SmartCraft Engine Guard
Reduction gear ratio:

1.92:1
Ignition type:

ECM 07 Digital Inductive (CT model) ECM 70
Recommended oil:

25W-40 Synthetic Blend NMMA Certified FCW SAE 25W-40
Fuel system:

EFI
Cooling system:

Water cooling + thermostat
Gears:

F-N-R
Exhaust system:

Through the propeller
Oil tank capacity:

6 L.
Propeller:

Yes

The Mercury SeaPro 150hp is a proven workhorse outboard, utilizing a 3.0-liter inline-4 that’s engineered for durability and efficiency. With 150 horsepower, it provides ample power for a wide range of boats while boasting one of the lowest weights in its class. Sturdy, straightforward, and fuel-efficient, the SeaPro 150 is favored by commercial operators for its low maintenance needs and unwavering performance – whether powering a water taxi, a small fishing boat, or serving as twin engines on a larger vessel, it gets the job done reliably.

3.0L inline-4 (150hp) – large displacement for this class ensures high torque and strong acceleration under load.
Built for long life – ultra-rugged upper mounts (twice as stiff as recreational models) and a reinforced midsection withstand continuous daily use.
Excellent power-to-weight – significantly lighter than most competing 150hp engines, improving boat handling and saving fuel.
Reliable all-day operation – runs on regular 87-octane fuel with modern EFI for smooth performance and low emissions throughout the day.
Flexible and versatile – ideal as a single engine for mid-sized boats or in twin configuration, providing versatility and Mercury’s proven reliability for a wide range of needs.

Model:

Price: €15,609⁷⁴ 30530⁰⁰лв.

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206.000 Kgs

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Mercury’s SeaPro 150hp outboard is one of the most popular choices for commercial operators worldwide – and for good reason. Built on a 3.0L inline-four platform, this engine is famed for its simplicity, light weight, and rock-solid reliability. The hefty displacement of the 150hp design means the engine doesn’t have to work as hard as smaller engines to achieve the same power – which reduces wear and tear and contributes to its long service life. The SeaPro 150 easily powers a variety of vessels – from ~5-meter work skiffs to mid-sized RIBs – and is often installed in pairs on larger boats where redundant, reliable power (around 300hp total) is desired.

Durability is a standout feature of the SeaPro 150. Mercury has equipped this motor with extra-sturdy engine mounts and a reinforced midsection to handle the vibrations and stresses of continuous use. Service points are accessible and straightforward, and the relatively simple single-overhead-cam (SOHC) engine with fewer moving parts means there’s less that can go wrong. Many commercial fishermen and tour operators appreciate that the SeaPro 150 can run all day with minimal fuss – it’s known to start reliably, run smoothly, and sip fuel. In fact, it often outperforms competing 150hp models in fuel economy, due in part to its advanced EFI and overall lighter weight.

Operationally, the SeaPro 150 keeps things user-friendly and cost-effective. It features a robust alternator to support onboard electronics, and – like the larger models – a convenient top-cowl oil check door. It’s compatible with Mercury’s SmartCraft system, giving operators the option to monitor engine health and integrate features like Active Trim (for automatic trim adjustments) if desired. When it comes time for service, parts and support are widely available, making it easy to keep the engine in peak condition. Ultimately, the Mercury SeaPro 150hp provides a worry-free blend of performance, efficiency, and endurance that fits the demands of daily commercial use perfectly.

Ideal use cases: A wide variety of boats (approximately 4.5–6 meters), including small commercial fishing boats, water taxis, dive boats, as well as twin-engine setups on larger vessels (around 300hp combined). The SeaPro 150 delivers the perfect balance of power and economy for fleets, rental operations, and workboats.
Recommended for: Operators seeking a cost-effective, easy-to-maintain engine that doesn’t compromise on power or reliability. The Mercury SeaPro 150hp shines in rental fleets, harbor workboats, and any application where a sturdy 150hp has to endure long hours and remain efficient.

Engine hp:

150 hp
Engine type:

4 cylinders inline / SOHC 8 valves
Displacement:

3000 cc (L)
Max. RPM:

4800 - 5300 RPM RPM
Alternator Amp / Watt:

60A / 756W
Fuel recommendation:

Unleaded regular, minimum 87 octane (R+M/2) or 90 RON, maximum 10% ethanol
Engine protection system:

SmartCraft Engine Guard
Reduction gear ratio:

1.92:1
Ignition type:

ECM 07 Digital Inductive (CT model) ECM 70
Recommended oil:

25W-40 Synthetic Blend
NMMA Certified FCW SAE 25W-40
Fuel system:

EFI
Cooling system:

Water cooling + thermostat
Gears:

F-N-R
Exhaust system:

Through the propeller
Oil tank capacity:

6 L.
Propeller:

Yes