C32B

C32B

C32B

C32B

DESCRIPTION

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.

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
  • Optional Equipment
  • Specs
  • Docs

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

Specs

Overview

Long Name:
C32B
Name:
C32B
Brand:
Caterpillar
Status:
Current

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
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

Dry Weight
7736 lb / 3509 kg
Length
87.8 in / 2231 mm
Width
58 in / 1474 mm
Height
58.1 in / 1478 mm

Engine

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)

SEE HOW C32B COMPARES AGAINST FREQUENTLY COMPARED PRODUCTS.

High Performance Propulsion and Maneuvering Solutions
C32B
C32B
Brand
Caterpillar
Status
Current
Power Range
1800-2400 bhp (1342-1790 bkW)
Speed Range
2300 rpm
Emissions
IMO II, U.S. EPA Tier 3 (recreational), RCD, China II
Aspiration
Sequential Turbocharged - aftercooled
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
Height
58.1 in / 1478 mm
High Performance Propulsion and Maneuvering Solutions
C32B
C32B
Brand
Cat
Status
Current
Power Range
2000 bhp (1491 bkW)
Speed Range
2300 rpm
Emissions
IMO II, U.S. EPA Tier 3 Recreational, RCD, China Stage II
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
Height
56.9 in / 1445 mm
High Performance Propulsion and Maneuvering Solutions
C7.1
C7.1 High Performance Propulsion Engine
Brand
Caterpillar
Status
Current
Power Range
400 bhp - 500 bhp (298 bkW - 373 bkW)
Speed Range
2900 rpm
Emissions
IMO II, U.S. EPA Tier 3, RCD II, China II
Aspiration
Turbocharged, aftercooled
Bore
4.13 in / 105 mm
Stroke
5.31 in / 135 mm
Displacement
428 in³ / 7.01 l
Rotation from Flywheel End
Counterclockwise
Configuration
In-line 6, 4-Stroke-Cycle Diesel
Height
34.5 in / 876 mm