3.0 Liter TDI Port View Components
a - Oil filter
b - Air filter
c - Turbocharger
d - Exhaust pipe
e - Seawater‑cooling drain screw
f - Power steering/gearbox oil
cooler
g - Motor mount
h - Power steering pump
i - Charge air cooler (intercooler)
j - Oil fill cap
k - Power steering oil reservoir
l - Engine coolant expansion
tank
m - Engine control module cover
Features and Controls
TDI 3.0 Liter Engine Features
The Mercury Diesel 3.0 Liter 6‑cylinder engine has the following features:
• Four‑stroke diesel engine
• Common‑rail direct injection
• 6 cylinders (90° V angle)
• 3.0 liter displacement (183.1 cid)
• Crankshaft mounted on four bearings
• 4 valves per cylinder
• Hydraulically adjusted bucket tappets
• Forced‑feed circulatory engine lubrication with geared oil pump and replaceable oil filter in main flow
• Dry air filter
• Turbocharged with variable turbine geometry
• Two separate cooling circuits
• Seawater‑cooled circuit runs through the oil cooler, the main heat exchanger, and the exhaust manifold.
• Closed‑cooling circuit runs coolant as a closed pressurized system through the engine block, oil cooler, exhaust
collector, and after reaching the operating temperature, through the main heat exchanger.
Refer to Specifications for additional details.
Lanyard Stop Switch
The purpose of a lanyard stop switch is to turn off the engine when the operator moves far enough away from the operator's
position (as in accidental ejection from the operator's position) to activate the switch. Tiller handle outboards and some remote
control units are equipped with a lanyard stop switch. A lanyard stop switch can be installed as an accessory ‑ generally on the
dashboard or side adjacent to the operator's position.
A decal near the lanyard stop switch is a visual reminder for the operator to attach the lanyard to their personal flotation device
(PFD) or wrist.
Section 1 - Getting to Know Your Power Package
90-8M0145546 eng MAY 2018 Page 3
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