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.
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)
Virtual Tours
Documents & Brochures
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
Additional information
| Offering Type | |
|---|---|
| Ratings - Power Range | 1800-2400 bhp (1342-1790 bkW) |
| Engine - Speed Range | 2300 rpm |
| Engine - Emissions | IMO II/III, U.S. EPA Tier 3 (recreational), RCD, China II |
| Engine - Aspiration | Sequential Turbocharged – aftercooled |
| Engine - Bore | 145.0 mm ( 5.71 in ) |
| Engine - Stroke | 162.0 mm ( 6.38 in ) |
| Engine - Displacement | 32.1 l ( 1959.0 in³ ) |
| Engine - Rotation from Flywheel End | Counterclockwise |
| Engine - Configuration | VEE 12, 4-Stroke Cycle diesel |
| Dimensions & Weights - Dry Weight | 3509.0 kg ( 7736.0 lb ) |
| Dimensions & Weights - Length | 2231.0 mm ( 87.8 in ) |
| Dimensions & Weights - Width | 1474.0 mm ( 58.0 in ) |
| Dimensions & Weights - Height | 1478.0 mm ( 58.1 in ) |
| Engine - Flywheel Housing | SAE No. O |
| Engine - Cooling | SWAC (Seawater Aftercooler) |
| Engine - Governor | Electronic (ADEM VI) |
| Engine - Oil Change Interval | 250 hrs |
| Engine - Refill Capacity | Lube Oil System w/ oil filter change: 76 L (20 gal) |
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