3508B Marine Propulsion Engine

3508B Marine Propulsion Engine

The 3508B marine engine features ratings from 578 bkw (786 mhp) to 1118 bkw (1521 mhp). Highlights of this marine engine include the Advanced Diesel Engine Management System II, Control Monitoring Protection System, Customer Communication Module, and Digital Voltage Regulator.

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Power Rating

Power Range
775-1500 bhp (578-1118 bkW)

Engine Specifications

Speed Range
1200-1925 rpm
Emissions
IMO I
Aspiration
TTA
Bore
6.7in
Stroke
7.5in
Displacement
2105.0in3
Rotation (from flywheel end)
Counterclockwise or clockwise
Configuration
Vee 8, 4-Stroke-Cycle Diesel

Dimensions & Weights

Minimum Dry Weight
10181.0lb
Length
90.9in
Height
71.0in
Width
67.1in
Maximum Dry Weight
11499lb

Standard Equipment

  • Fuel System
    • Fuel filter, RH, with service indicators.
    • Fuel transfer pump.
    • Electronically controlled init injectors
  • Instrumentation
    • Graphical Unit (marine Power Display)
      • Engine Oil Pressure
      • Engine Water Temperature
      • Fuel Pressure
      • System DC Voltage
      • Air Inlet Restriction
      • LH & RH Exhaust Temperature (prior to turbocharger)
      • Fuel Filter Differential
      • Oil Filter Differential
      • Service meter
      • Engine Speed
      • Instantaneous Fuel Consumption
      • Total Fuel Consumed
      • Engine Control Switch (4 position)
      • Alarm Horn
      • Alarms are prioritized
      • Backup ECM ready light
      • Backup ECM in control light
      • Overspeed shutdown notification light
      • Emergency stop notification light
      • Prelube override
      • Shutdown override
  • Lube System
    • Crankcase breather, Top mounted
    • Oil filter, RH, with service indicators
    • Oil filler and dipstick, RH
    • Standard sump oil pan (500 Hour oil change interval)
    • Oil pump, gear type
  • Mounting System
    • Rails, engine mounting, ledge type, 203 mm x 203 mm (8 in x 8 in)
  • Power Takeoffs
    • Accessory Drive
      • on standard rotation engines: lower RH, lower LH
      • on opposite rotation engines: upper and lower RH, upper and lower LH
    • Front housing, two-sided
  • Protection System
    • A4 ECU Electronic Monitoring System provides customer programmable engine de-rate strategies to protect against adverse operating conditions
  • General
    • Vibration damper and guard
    • Lifting eyes
    • Paint, Caterpillar Yellow engine with black rails
    • NOTE: Engines for heat exchanger cooling do NOT include heat exchanger.
  • Flywheel And Flywheel Housing
    • Flywheel, SAE No. 0, 151 teeth.
    • Flywheel housing, SAE No. 0.
  • Air Inlet System
    • Separate circuit aftercooler core, corrosion resistant coated (air side)
    • Air cleaner, regular duty
    • Dual turbochargers, 152 mm (6 in) OD straight connection
  • Control System
    • Dual Caterpillar A-III Electronic Engine Control, LH with Electronic Unit Injector Fuel System
    • Rigid Wiring Harness (10 amp DC power required to drive Electronic Engine Control Module)
  • Cooling System
    • Oil cooler
    • Thermostats and housing, Full open temperature 92 C (198 F)
    • Jacket water pump, gear driven, centrifugal
    • Auxiliary fresh water pump with SCAC engines
    • Auxiliary sea water pump, Centrifugal, Non-self-priming
    • Expansion tank
  • Exhaust System
    • Dry gas tight exhaust manifolds with heat shields.
    • Dual turbochargers with watercooled bearings and heat shield.
    • Exhaust outlet, vertical, 203 mm (8 in) round flanged.
  • Protection System
    • AIII Electronic Monitoring System provides customer programmable engine de-ration strategies to protect against adverse operating conditions
    • Emergency Stop Push Button (located In Electronic Instrument Panel) Safety Shutoff Protection:
      • Oil pressure and water temperature (non-redundant, uses OP and WT sensors).
      • Overspeed (redundant and independent of engine governing system, speed sensed by backup ECM which is MCS approved)

Optional Equipment

  • Charging System
    • Battery Charger, 10 amp
    • Charging Alternators
  • Cooling System
    • Water Level Switch Gauge
    • Coolant Level Sensors
    • Connections
      • Inlet/Outlet
      • Keel Cooling
      • Single/Combined Circuit
      • Emergency Water
      • Torque Conv. Cooler
    • Keel Cooling Conversions
    • Heat Exchangers
    • Auxiliary Water Pumps
    • Sea Water Pump Removal
    • Coolant Shunt Tanks
    • Air Separator
    • Marine Gear Cooling
  • Flywheels & Flywheel Housing
  • 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
      • Note: All locations are as viewed from rear of engine. Upper LH accessory drive is included with opposite rotation engines.
    • Flexible Coupling and Guards
    • Upper Left Hand Front Location:
      • AUXILIARY DRIVE SHAFT
      • AUXILIARY DRIVE PULLEY
    • Upper Right Hand Front Location:
    • Upper Right Hand Rear Location:
      • Auxiliary Drive Pulley
      • Note: Charging alternators options are mounted in this location.
    • Lower Left Hand Front Location:
      • AUXILIARY DRIVE SHAFT
      • AUX DRIVE PULLEY/LLH FRT/4 GRV
      • 03 AUX DRIVE PULLEY/LLH FRT/2 GRV
    • Lower Left Hand Rear Location:
      • AUXILIARY DRIVE SHAFT
      • AUXILIARY DRIVE PULLEY
    • 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 & Fuel System
  • Lube System
    • Oil Pan
      • DEEP SUMP OIL PAN
      • 500 HR SUMP OIL PAN
      • LIGHTWEIGHT OIL PAN CONVERSION
    • Oil Pan Accessories
      • OIL PAN DRAIN VALVE
      • OIL PAN DRAIN COVER
      • EMERGENCY LUBE OIL CONNECTIONS
    • Sump Pumps
    • Lubricating Oil
  • Protection System
    • Air Inlet Shutoffs
    • Switches And Contactors
      • DISCRETE I/O MODULE
      • SHUTOFF CONTACTORS OP/WT
      • ALARM CONTACTORS OP/WT
    • Explosion Relief Valve
    • Sensors
      • OIL TEMP SENSOR
      • INTAKE MANIFOLD TEMP SENSOR
  • Spare Parts Kits
  • 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:
      • AIR PRESSURE REGULATOR LH
    • Starting Aids
      • JACKET WATER HEATER
    • Battery Sets - 24 Volt - Dry
    • Battery rack
  • General
    • Tool set
    • Caterpillar datalink wire
  • Paints
    • Special Paints
      • MATTERHORN WHITE PAINT, FIRE PUMP RED, ASA61 GRAY, PRIMER GRAY, RAL7001 SILVER GRAY, RAL3020 SIGNET RED, FED STD BATTLESHIP GRAY, RAL5015 HEAVEN BLUE
  • Packing
    • Shrink Wrap Protection
    • Storage Preservation with Glycol Solution/Vapor Corrosion Inhibitor
    • Storage Preservation with Vapor Corrosion Inhibitor
    • Export Packaging