Cat C32 Propulsion Engine (US EPA Tier 4 / IMO III)

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6 Brick Z-Flow - Length147.7 in (3751 mm)
Power Range1000-1450 bhp (746-1081 bKW)
Minimum Length83.9 in (2130 mm)
6 Brick Z-Flow - Height23.5 in (597 mm)
Cat C32 Propulsion Engine (US EPA Tier 4 / IMO III)


6 Brick Z-Flow - Length147.7 in (3751 mm)
Power Range1000-1450 bhp (746-1081 bKW)
Minimum Length83.9 in (2130 mm)
6 Brick Z-Flow - Height23.5 in (597 mm)
Speed Range1600-2150 rpm
Maximum Length89.8 in (2280 mm)
6 Brick Z-Flow - Width43.5 in (1106 mm)
Minimum Height59.3 in (1507 mm)
EmissionsU.S. EPA Tier 4 Final certified IMO III emissions certified (SCR required)
ConfigurationVee 12, 4-stroke-cycle diesel
Maximum Height63.5 in (1613 mm)
6 Brick Z-Flow - Weight1246 lb (565 kg)
Minimum Width57.1 in (1451 mm)
6 Brick U-Flow - Length85 in (2159 mm)
Bore5.71 in (145 mm)
6 Brick U-Flow - Height23.5 in (597 mm)
Maximum Width57.3 in (1455 mm)
Stroke6.38 in (162 mm)
6 Brick U-Flow - Width56.9 in (1445 mm)
Minimum Engine Dry Weight6950 lb (3152 kg)
Displacement1959 in³ (32.1 l)
Maximum Engine Dry Weight7160 lb (3248 kg)
6 Brick U-Flow - Weight1235 lb (560 kg)
Dosing Cabinet - Length37.4 in (949 mm)
AspirationTurbocharged-aftercooled aspiration
Dosing Cabinet - Height22.8 in (579 mm)
GovernorElectronic (A5 ECM)
Refill CapacityLube Oil System w/ oil filter change: 146 L (38.5 gal) - deep pan
Dosing Cabinet - Width18.8 in (477 mm)
Dosing Cabinet - Weight209 lb (95 kg)
Oil Change Interval1000 hrs - deep pan
CoolingHeat exchanger or keel cooled
Flywheel HousingSAE No. 0 with SAE No. 18 flywheel (136 teeth)
RotationCounterclockwise from flywheel end

Benefits and Features

Separate-circuit aftercooling – no sea water in aftercooler

Utilizes SCR Technology to enable U.S. EPA Tier 4 Final emission regulations compliance while lowering operational costs, IMO III emissions compliant

Utilizes closed loop air assisted DEF dosing control strategy that delivers: Highest efficiency mixing and control to lower operational costs, Extends emissions useful life, Ensures compliance, Flexible to urea quality

Enhanced control of fuel injection optimized through crank timing and the A5 ECM technology

Industry leading power reserve

Wide range of available Marine Society certifications

Industry-leading warranty coverage for factory packaged components

Global dealer network for service in any location

Standard Equipment

  • Shipped loose primary fuel filter with water separator
  • Duplex fuel filters with hybrid fuel lines
  • Fuel transfer and priming pump
  • Air cleaner
  • Separate circuit aftercooled (SCAC)
  • 24V control system
  • Heat exchanger or Keel Cooling
  • Watercooled exhaust manifold and turbocharger
  • Hard seawater lines – no flexible hoses
  • Flanges for cooling connections, ANSI or DIN
  • Oil fill, simplex filter and dipstick
  • Deep or shallow sump oil pan
  • Adjustable front support mounting system
  • Right or left hand service sides
  • Customer wiring and service tool connector

Optional Equipment

  • Closed crankcase fumes disposal
  • MECP I control panel
  • MECP III B control panel with Cat® Alarm and Protection System
  • Charging alternator
  • Manual or electric fuel priming pump
  • Fuel cooler
  • Duplex oil filters
  • Front drives including stub shaft and pump drive
  • Rear SAE A or B pump drives
  • Starting motors – air, electric or dual