3508C Propulsion Engine

3508C Propulsion Engine

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 ...
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Power Rating

Power Range
775-1100 bhp (578-820 bkW)

Engine Specifications

Speed Range
1200-1600 rpm
Emissions
IMO II, EU IW
Aspiration
TTA
Bore
6.7in
Stroke
7.5in
Displacement
2107in³
Rotation from Flywheel End
Counterclockwise or Clockwise
Configuration
Vee 8, 4-Stroke-Cycle Diesel

Dimensions & Weights

Minimum Dry Weight
10935lb
Length
83.4in
Height
72in
Width
67in

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

Standard Equipment:

Optional Equipment:

    Charging System
    • Battery Charger, 10 amp
    • Charging Alternators
    Cooling System
    • Water Level Switch Gauge
    • Coolant Level Sensors
    • Connections
    • Keel Cooling Conversions
    • Heat Exchangers
    • Auxiliary Water Pumps
    • Sea Water Pump Removal
    • Coolant Shunt Tanks
    • Air Separator
    • Marine Gear Cooling
    Instrumentation
    • PL1000T Communication Module
    • Customer Interface
    • Thermocouples
    • Remote Panel Display
    • Remote Cylinder Temperature Display
    • Pilot House Instrument Panels
    • Marine Gear Sensors
    • Engine Vision Display System
    Mounting System
    • Engine Supports
    • Vibration Isolators
    Power Take-offs
    • Front Housing Accessories
    • Flexible Coupling and Guards
    • Upper Left Hand Front Location:
    • Upper Right Hand Front Location:
    • Upper Right Hand Rear Location:
    • Lower Left Hand Front Location:
    • Lower Left Hand Rear Location:
    • Front Housing Accessory Drives
    • Upper LH Accessory Drive
    • Upper RH Accessory Drive
    • Front Power Take Offs
    • Crankshaft Pulleys
    • Damper Guard Removals
    Air Inlet System
    • Remote Air Inlet Adapters
    Control System
    • Throttle Position Sensor
    • Throttle Position Signal Conv.
    • Throttle Position Sensor Removal
    • Local Speed Throttle Control
    • Throttle Synchronization
    Exhaust System
    • Exhaust Outlet
    • Flexible Fittings
    • Elbows
    • Flanges
    • Flange and Exhaust Expanders
    • Mufflers
    Lube System
    • Oil Pan
    • Oil Pan Accessories
    • Sump Pumps
    • Lubricating Oil
    Protection System
    • Air Inlet Shutoffs
    • Switches and Contactors
    • Explosion Relief Valve
    • Sensors
    Special Appearance
    • Special Appearance Packages with Chrome Covers
    • Chrome Plated Relief Valves
    • Black Air Cleaners
    • Yacht Class Finish
    Starting System
    • Starting Motors or Barring Device
    • Air Starting Motor Options:
    • Starting Aids
    • Battery Sets - 24 Volt - Dry
    • Battery rack
    General
    • Tool set
    • Caterpillar datalink wire
    Packing
    • Shrink Wrap Protection
    • Storage Preservation with Glycol Solution/Vapor Corrosion Inhibitor
    • Storage Preservation with Vapor Corrosion Inhibitor
    • Export Packaging