M&H 6068 Stage V Emissions Marine Engine

(169kW (226HP) @ 2400 – 224kW (300HP) @ 2400 RPM)

Emissions reductions from Stage 1 to M&H Stage V

Based on 130 to 560 kW NRMM engine power output range

Reduction in CO 99.78%
Reduction in NOX 99.79%
Reduction in PM 99.81%


6068 Data models

I-6, 4-Stroke-Cycle-Diesel

Emissions – Stage V / IMO lll / BSO / CH VASm

Weight, Net Dry (approx) – 785 kg (1,731 lb)

Oil Change Interval – 500 hr

Rotation (from flywheel end) – Counterclockwise

Flywheel and flywheel housing – SAE options available

Rated Power – 224 kW….300 hp
Rated Speed – 2200 rpm
Peak Torque Speed – 1600 rpm
Rated Torque – 972 N·m   717 lb-ft
BMEP Rated – 1,820 kPa....264 psi
Noise @ 1 m dB(A) – 96
6068 Data Table
6068 DEF Data

We offer various locations for the exhaust after-treatment including rear layouts as below. Other layouts will be considered depending upon the requirement and subject to engineering approval, due to the emissions certification demands.

Note: All dimensions and weights given in the above table and in the engine data sheets are indicative only.
Definitive dimensions and weights will be confirmed at order placement.

Physical Data Marine Engines
Engine Model (Stage V) Aftertreatment Location Total Weight Kgs (lbs) Length (A) mm (ins) Width (B) mm (ins) Height (C) mm (ins)
6068 Rear   990 (2181) 2460 (97)  935 (37) 1300 (51)
Air Inlet System Corrosion resistant aftercooler core, light-duty air cleaner
Cooling System Self-priming auxiliary sea water pump with impeller, gear-driven jacket water pump, fin and tube heat exchanger with expansion tank, coolant recovery, system, thermostat and housing
Exhaust System Dry exhaust manifold and turbocharger, round flanged outlet
Aftertreatment DOC / DPF / SCR
Fuel System Fuel priming pump, fuel transfer pump, fuel filter — RH or LH service, flexible fuel line
Lube System Crankcase breather, engine oil cooler, oil filter — RH or LH service, oil dipstick — RH or LH option, oil filler, deep sump oil pan, gear-driven oil pump
Instrumentation 12V / 24V instrument panel.
Power Takeoffs Options available
Protection System 12 or 24V electronic shutdown

Emissions reductions from Stage 1 to M&H Stage V

Based on 130 to 560 kW NRMM engine power output range

Reduction in CO 99.78%
Reduction in NOX 99.79%
Reduction in PM 99.81%

M&H Stage V Engines Features and Benefits


Stage V engines are designed and built fully in accordance and to Class requirements.


M&H Stage V engines come with a three-year warranty as standard.
Warranty conditions are – one-year unlimited hours, three years total 5,000 hours maximum.
Extended warranty is available at an extra cost for an additional two years.

Service and support

Service and support contracts are available for the warranty period and beyond. Service and support from our expanded service dealer team ensures prime operation of your engine and a long service life.

Oil change

500 hours standard oil change intervals.

Either-side Service

Oil fill and dipstick combinations, remote oil filter and fuel water separator and the DOC, PDF and SCR system for the Stage V engines, can be configured for easier service access, application and service flexibility to provide installation convenience plus fast and easy maintenance

Exhaust after-treatment

M&H Engineering Stage V engines use EGR, DPF, DOC and SCR systems to meet the Stage V emission legislation requirements. The systems are compact and packaged with knowledge of the limited space available inside vessel engine rooms.