Cat 3516 Seattle Low

  • Specs Summary
  • Power Range
    750-1800 bhp (559-1342 bkW)
  • Speed Range
    1600-2300 rpm
  • Emissions
    EPA Tier 3, IMO II, EU IW
  • Aspiration
    TTA

Cat C32 ACERT Marine Propulsion Engine (EPA Tier 3)

The C32 ACERT marine propulsion engine is available at ratings that meet both EPA Tier 3 and IMO II emissions regulations. It has a separate circuit aftercooling system (SCAC) for A through C ratings and a seawater aftercooling system (SWAC) for D and E ratings. The C32 ACERT has seven ratings with Wide Operating Speed Range (WOSR) and extended oil change intervals. Other benefits include proven engine operating history and performance iron with thousands of validation testing hours for quality and durability. The C32 ACERT marine engine is supported by the extensive Cat global dealer network and standard warranty.

Power Rating

  • Power Range 750-1800 bhp (559-1342 bkW)
  • Continuous Ratings - Maximum Power 1000 bhp (746 bkW)
  • Heavy Duty Ratings - Maximum Power 1200 bhp (895 bkW)
  • Maximum Continuous Ratings - Maximum Power 1450 bhp (1081 bkW)

Engine Specifications

  • Speed Range 1600-2300 rpm
  • Emissions EPA Tier 3, IMO II, EU IW
  • Aspiration TTA
  • Bore 5.71 in (145 mm)
  • Stroke 6.38 in (162 mm)
  • Displacement 1959 in3 (32.1 L)
  • Rotation (from flywheel end) Counterclockwise
  • Configuration Vee 12, 4-Stroke-Cycle Diesel

Dimensions & Weights

  • Minimum Dry Weight 6950 lb (3152 kg)
  • Minimum Length 77.8 in (2121 mm)
  • Maximum Length 83.5 in (2284 mm)
  • Minimum Height 60.9 in (1547 mm)
  • Maximum Height 62.5 in (1587 mm)
  • Minimum Width 60.17 in (1528 mm)
  • Maximum Width 60.17 in (1528 mm)

Standard Equipment

AIR INLET SYSTEM

  • Separate Circuit After-Cooled (SCAC)
  • Seawater After-Cooling (SWAC) System
  • Air cleaner
  • Turbochargers, jacket water cooled
  • Turbochargers inlet, 152 mm (6 in) OD straight connection

CONTROL SYSTEM

  • Programmable Low Idle (550 - 750 rpm)
  • WOSR (Wide Operating Speed Range) available for - A, B, & C Ratings
  • Programmable High Idle Limit for WOSR Ratings
  • Electronic diagnostics and fault logging
  • Engine and transmission monitoring (speed, temperature, pressure)
  • Electronic fuel/air ratio control
  • Engine Protection Mode for extended ambient conditions
  • Torque Limiting functionality for WOSR ratings only
  • 70-pin customer connector
  • Throttle Input signal options

COOLING SYSTEM

  • Separate Circuit After-Cooling (SCAC) for Heat Exchanged (HEX) & Keel cooled engines
  • Jacket Water (JW) and SCAC Heat Exchangers Shell & Tube for HEX cooled engines
  • SCAC pump, gear driven
  • Jacket water pump, gear driven
  • Sea water pump, bronze impeller, gear driven, for HEX cooled engines only
  • Sea water Pump & JW Heat Exchanger Connection: 76.2 mm (3in) ID Standard
  • Keel Connections: 76.2 mm (3in) ID Standard 4 Bolt ANSI Flange Connection
  • SCAC and JW shunt tanks for maintaining proper pump inlet pressures
  • Seawater After-Cooling (SWAC) System

EXHAUST SYSTEM

  • 4 Bolt 130 mm (5.12 in) diameter flanged outlet
  • Water-cooled exhaust manifold & turbocharger

FLYWHEELS & FLYWHEEL HOUSINGS

  • SAE standard rotation (CCW facing exciter end)
  • Flywheel Housing: SAE No. 0, Flywheel: 18 inch, 136 teeth

FUEL SYSTEM

  • Duplex Fuel Filters, Spin-on, RH & LH service
  • Fuel connections size:Supply JIC 37 Deg -10 (7/8-14), Return JIC 37 Deg -8 (3/4-16)
  • Plate Type Fuel Cooler installed behind Aftercooler Shunt Tank
  • Fuel transfer pump, gear driven
  • Manual fuel priming pump
  • Hybrid fuel line design

LUBE SYSTEM

  • Simplex Oil Filters, RH or LH service
  • Deep sump oil pan
  • RH or LH service oil filler locations
  • RH or LH service dipstick
  • Oil pump, gear driven

MOUNTING SYSTEM

  • Front support - adjustable

POWER TAKE-OFFS

  • Front Poly-V groove pulley (Quantity 1) for auxiliary drives

GENERAL

  • Common electrical bonding point
  • Engine does not ship with zinc components

Optional Equipment

Air Inlet Systems

  • Air Inlet Cleaner
  • Air Inlet Adapter

Charging Systems

  • Battery Charger
  • Charging Alternators
  • Ammeter

Cooling System

  • Marine Gear/Transmission Oil Coolers
  • Connections

Exhaust System

  • Dual Elbow
  • Flexible Fitting
  • Dual Muffler
  • Muffler Spark Arresting
  • Flange

Fuel System

  • Water Separator

Instrumentation

  • OEM Wiring Harness
  • Engine to Engine Harness
  • Instrument Panels
  • Exhaust Temperature Sensors
  • Wiring Harness
  • Gauges
  • Transmission Sensors

Lube System

  • Transmission Oil Cooler
  • Manual Sump Pump
  • Duplex Oil Filters

Protection System

  • Fuel and Oil Shielding

Starting System

  • Air Starting Motor
  • Air Start Accessories
  • Electric Starting Motors - Single 24 Volt
  • Starting Aids
  • Battery Sets - 24 Volt - Dry
  • Dual Starting Motors (Electric and Air)

Packing

  • Engine Protective Cover
  • Export Packing
  • Storage Preservation

Mounting System

  • Front Support
  • Adapter Kits
  • Isolator Mounts

Power Take-Offs

  • Front Enclosed Clutches
  • Rear Hydraulic Pump Drive

GENERAL

  • Fumes Disposal

CONTROL SYSTEM

  • Instrument Panels
  • CATERPILLAR ALARM AND PROTECTION
  • Fuel and Oil Shielding