Caterpillar Engine 【3508C】

The 3508C marine propulsion engine meets IMO II emissions regulation and delivers more power with lower emissions for your marine propulsion needs. Additionally, the 3508C provides outstanding fuel efficiency and lube oil consumption. Standard or reverse rotation options are available as well as worldwide parts and service. The 3500 engine platform is a streamlined and proven design that provides industry-leading reliability & durability.

A3 ELECTRONIC CONTROL UNIT (ECU)

• One of the most advanced electronic
control systems available for Cat marine engines. • Faster with more memory
capability than ADEM 2 • Compatible with several optional display systems •
Does not require fuel cooling • Enhanced input/output capacity • Rugged marine
design and IP66 connectors • Award-winning circuitry design

ENGINE-MOUNTED INSTRUMENT PANEL

• Integrated MPD display for quick
response and effective local control • Optional local speed control • Optional
individual cylinder exhaust temperature scanner with data link for remote
mounting • Local E-stop, warning indicators, horn • Plug & Run connections
allow mounting on port or starboard side of engine

MARINE POWER DISPLAY (MPD)

• Graphic display of engine operating
parameters in analog, digital, or bar-chart format • Rugged weatherproof
construction • Fully user-configured display screens • Marine classification
society-type approved • Diagnostic messages and alarms • Three-tier
prioritization of events and diagnostics • Multilingual capability • Night-mode
LCD display • ISO symbols for parameter identification

HIGH CAPACITY HIGH EFFICIENCY TURBOS

• Standard marine twin turbocharger
configuration. • More reserved power for superior part load performance at
continuous ratings • Turbos tuned for high power and excellent fuel consumption

ENGINE-MOUNTED CAT® PLATE-TYPE HEAT EXCHANGER

• Separate Circuit Aftercooled (SCAC) •
Single heat exchanger for both jacket water and aftercooler systems • Single
inlet and outlet connections for sea water • Lightweight and compact •
Factory-installed piping and connections

RIGID WIRING HARNESS

• Highly durable: long service life •
Flexibility for custom wire additions • Lined with fire retardant foam • Cost
efficient replacement for premium wiring • Marine classification society
approved

POWER DISTRIBUTION BOX

• Isolates “control power” from
alternator/starter/jacket water heater power • Mountable off engine • Allows
end user to choose up to three independent power sources • Has built-in circuit
breakers and switches for easy troubleshooting

MARINE CLASSIFICATION SOCIETY APPROVALS

• ABS/DNV/LR/GL/CCS/BV/RINA

ELECTRONIC FEATURES

• 3D histogram data of engine operation
(load, speed, time) • Load feedback signal for CPP operation • Electronic
torque limit for re-power and torque limited application equipment •
Programmable droop • Adjustable governor gains • Condition-based maintenance •
Monitoring features • Serial data bus communications • Primary and secondary A3
controllers on all propulsion engines

CAT PILOT HOUSE PANELS

• Cat pilot house panels with or without
Marine Power Display (MPD) • Easily connected to the engine customer connector
• Ability to have full function helm panels and reduced function wing panels

UNIT INJECTORS

• Caterpillar designed and built system •
“Drop-in” installation • No threaded fuel connections • High pressure only
inside injector does not require double wall lines or leak collection devices

POWER TAKE-OFF

• Power take-off adapters available •
Auxiliary drives for power take-offs for hydraulic pumps and compressors

ENGINE-MOUNTED GEAR-DRIVEN PUMPS

• Standard engine-mounted aftercooler pump
• Standard engine-mounted jacket water pump • Optional engine-mounted,
gear-driven, high capacity sea water pump

ENGINE MOUNTING SYSTEM

• Rigid mounting points • Optional
resilient mounting

IN-HULL OVERHAUL

• Easily removable side covers •
Accessible bearing caps