C32B

C32B

With the introduction of the C32B product line in 2021, Caterpillar Marine now confirms the availability of the uprated Cat® C32B Marine Propulsion engine in 2025 mhp and 2433 mhp offerings. With 25% more peak power and high performance, this engine demonstrates great performance and efficiency, while also delivering noise reduction at lower engine speeds. This product meets IMO II and U.S. EPA Tier 3 (recreational) emissions standards and is perfectly suited for yachting applications. Governmental applications can also be a great fit for D-tier ratings. Please consult with your Cat Marine dealer regarding the use of E-tier ratings.

Power Range 1800-2400 bhp (1342-1790 bkW)
Speed Range 2300 rpm
Emissions IMO II, U.S. EPA Tier 3 (recreational), RCD, China II

Technicial Specifications

Ratings
Power Range 1800-2400 bhp (1342-1790 bkW)
Engine
Speed Range 2300 rpm
Emissions IMO II, U.S. EPA Tier 3 (recreational), RCD, China II
Aspiration Sequential Turbocharged - aftercooled
Bore 145 mm
Stroke 162 mm
Displacement 32.1 l
Rotation from Flywheel End Counterclockwise
Configuration VEE 12, 4-Stroke Cycle diesel
Flywheel Housing SAE No. O
Cooling SWAC (Seawater Aftercooler)
Governor Electronic (ADEM VI)
Oil Change Interval 250 hrs
Refill Capacity Lube Oil System w/ oil filter change: 76 L (20 gal)
Dimensions & Weights
Dry Weight 3509 kg
Length 2231 mm
Width 1474 mm
Height 1478 mm

Advantages and Features

Key Features & Benefits

  • Updated engine design to enable higher power density
  • Noise reduction at low engine speeds (MEUI-C Fuel System)
  • Updated engine electronic control module (ADEM VI)
  • MCS certifications available
  • Updated seawater aftercooler and HEX design
  • Optimized sequential air system maximizes performance and torque range
  • LH and RH service side options available
  • No zinc anodes required (use vessel bonding system)

Standard Equipment

  • STANDARD EQUIPMENT
    • ADEM VI Electronic Control Module
    • Air Cleaner / Closed Crankcase Ventilation
    • Front and Rear Seawater Pumps
    • Sea Water Aftercooler
    • Titanium Plate Heat Exchanger
    • Gear-driven JW and SW pumps
    • Water-cooled Exhaust Manifolds and Turbochargers
    • MEUI-C Fuel System
    • 250-hr Oil Pan (Shallow Sump)
    • RH or LH Service Side Options

Optional Equipment

  • OPTIONAL ATTACHEMENTS
    • 120V or 240V Jacket Water Heater
    • SAE A or B PTO (RH rear)
    • 75A, 105A or 175A Alternator
    • Heat Shielding
    • Cosmetic Engine Cover
    • Electric Fuel Priming Pump
    • Duplex Lube Oil and Fuel Filters
    • Deep Sump Oil Pan
    • Marine Alarm & Protection