Baudouin 6M16 Mechanical Workboat Marine Diesel Engine
Description
Experience dependable mechanical propulsion free from computer sensors during long offshore commercial fishing trips. The Baudouin 6M16 Workboat Marine Engine produces 360 BHP continuous power from a 9.7-liter inline-six cylinder block. Pure mechanical direct injection produces minor cold-start white smoke until cylinder temperatures reach steady operating levels on cold harbor mornings.
Cast iron forms the rigid inline-six engine block and individual two-valve cylinder heads. Replaceable wet sleeve cast iron cylinder liners allow complete in-frame overhauls without removing the engine from workboat bilges. Electrical systems feature 24V isolated ground circuits running a 5.5 kW starter and 55A marine alternator. Dry engine weight is 2,328 lbs, occupying engine bed space measuring 68.9in length, 35.0in width, and 44.5in height with an SAE 1 flywheel housing.
Key Features of Baudouin 6M16
Commercial fishing captains buy Baudouin 6M16 engines to repower coastal trawlers with serviceable mechanical hardware. Competitive repower pricing offers workboat operators a durable inline-six propulsion engine that functions on low-grade marine gas oil without electronic injector failures.
- Mechanical inline injection pump operates without electronic sensors or computers.
- Continuous P1 rating produces 360 BHP at 2,100 RPM for heavy trawling nets.
- Individual cylinder heads simplify maintenance by allowing single-cylinder piston servicing.
- Turbocharger with water-cooled charge air intercooler maximizes fuel burn efficiency.
- Cupronickel tube heat exchanger provides superior corrosion resistance in raw saltwater.
- Wet sleeve cylinder liners ensure fast in-hull engine rebuilds during winter refits.
- SAE 1 flywheel housing mates directly to standard ZF, Advance, or Twin Disc transmissions.
Mechanical Inline Dyno Load Testing
Water brake dynamometer testing verifies 360 BHP continuous output at 2,100 RPM with brake specific fuel consumption averaging 0.348 lbs per horsepower hour. Crankshaft journal runout measures 0.0003in TIR across induction-hardened main journals. Exhaust gas temperatures plateau at 910°F under continuous full-load trawling simulation. Heat exchanger coolant temperatures hold steady at 175°F under continuous raw seawater flow. Operating sound levels register 93 dB at 3ft distance inside the engine compartment at 900 ft-lbs torque output.
Workboat Maintenance Engine Service Protocol
The mechanical fuel rack linkage connects directly to push-pull helm control cables, requiring 4 lbs lever effort for smooth throttle transitions. Do not buy this mechanical inline-six engine for vessels operating under strict EPA Tier 4 passenger ferry emissions regulations.
- Drain and refill the 6.34-gallon oil sump with 15W-40 marine oil every 250 hours.
- Check and clean mechanical fuel injector nozzles every 1,500 operating hours.
- Inspect heat exchanger sacrificial zinc anodes for galvanic loss every 60 days.
Factory Warranty Terms Crate Manifest
Baudouin backs this mechanical propulsion unit with a verified 1-Year commercial limited marine warranty covering manufacturing defects. The factory wooden shipping crate contains the Baudouin 6M16 engine, 24V starter, 55A alternator, SAE 1 flywheel housing, mechanical gauge sensors, lube oil filters, and operator manual.
Baudouin 6M16 Specs
| Manufacturer / Brand | Moteurs Baudouin |
| Model Designation | 6M16 |
| Engine Type | 4-Stroke Mechanical Workboat Marine Diesel |
| Cylinder Configuration | Inline-6 Cylinder |
| Total Displacement | 9.7 Liters (592 cu in) |
| Bore x Stroke | 126 x 130 mm (4.96 x 5.12 in) |
| Aspiration & Charge Air | Turbocharged with Water-Cooled Charge Air Intercooler |
| Cooling System Architecture | Cupronickel Tube Heat Exchanger (Keel Cooling or Skin Tank Available) |
| Continuous Power Rating (P1) | 360 BHP (264 kW) @ 2,100 RPM |
| Maximum / Intermittent Power (P3/P4) | 360 BHP (264 kW) @ 2,100 RPM (Dedicated Continuous Rating) |
| Fuel Injection Platform | Mechanical Direct Injection with In-Line Injection Pump |
| Cylinder Head Metallurgy | Individual Cast Iron 2-Valve Cylinder Heads |
| Cylinder Liners | Replaceable Wet Sleeve Cast Iron Liners |
| Flywheel Housing & Flywheel | SAE 1 Flywheel Housing with SAE 14 Flywheel |
| Electrical System & Ground | 24V Isolated Ground Marine Electrical System |
| Starter & Alternator Output | 24V 5.5 kW Electric Starter / 24V 55A Marine Alternator |
| Lube Oil Sump Capacity | 24.0 Liters (6.34 US gal) Commercial Sump |
| Engine Coolant Capacity | 38.0 Liters (10.0 US gal) |
| Dry Weight (excl. gearbox) | 1,056 kg (2,328 lbs) |
| Overall Dimensions (L x W x H) | 1,750 x 890 x 1,130 mm (68.9 x 35.0 x 44.5 in) |
| Emissions Certifications | IMO Tier II, CCNR II Compliant |
| Fuel Compatibility | Ultra-Low Sulfur Diesel (ULSD No. 2), Marine Gas Oil (MGO) |
| Transmission / Outdrive Compatibility | Engine Package - Compatible with ZF, Advance, and Twin Disc Marine Gearboxes |
| Factory Warranty Period | 1-Year Commercial Limited Marine Warranty |
| Application Research | Commercial displacement workboats, coastal fishing trawlers, harbor service vessels, passenger ferries, and mechanical marine propulsion repowers |












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