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3512B

Commercial Propulsion Engines

The Cat 3512B marine engine includes the Advanced Diesel Engine Management System II, Control Monitoring Protection System, Customer Communication Module, and Digital Voltage Regulator. Benefits include improved fuel economy, reduced visible and gaseous emissions, enhanced diagnostic and monitoring capabilities, and increased rated output with no reduction in reliability.

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Power Range 1100-2250 bhp (820-1678 bkW)
Speed Range 1200-1925 rpm
Emissions IMO I
Aspiration TTA

Availability Contact Dealer

SPECIFICATIONS FOR 3512B

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Power Rating
Power Range 1100-2250 bhp (820-1678 bkW)
Engine Specifications
Speed Range 1200-1925 rpm
Emissions IMO I
Aspiration TTA
Bore 170 mm
Stroke 190 mm
Displacement 51.8 l
Rotation from Flywheel End Counterclockwise or Clockwise
Configuration Vee 12, 4-Stroke-Cycle Diesel
Dimensions & Weights
Minimum Dry Weight 6537 kg
Minimum Length 2819 mm
Maximum Length 121 mm
Minimum Height 1806 mm
Maximum Height 2091 mm
Minimum Width 1703 mm
Maximum Width 1785 mm
Maximum Dry Weight 6537 kg

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Power Range 365-400 bhp (272-298 bkW)
Speed Range 1800 rpm
Emissions Non-Certified
Aspiration TA
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Power Range 1280-2551 bhp (955-1902 bkW)
Speed Range 1200 rpm, 1600 rpm, 1800 rpm
Emissions IMO II, EU IW
Aspiration TTA
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Power Range 2683-3420 bhp (2001-2550 bkW)
Speed Range 1600-1800 rpm
Emissions IMO II
Aspiration TA
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Power Range 340-490 bhp (254-366 bkW)
Speed Range 1800-2300 rpm
Emissions IMO I, IMO II
Aspiration TA
Commercial Propulsion Engines

C32 Tier 3 / IMO II

Power Range 660-1600 bhp (492-1193 bkW)
Speed Range 1600-2300 rpm
Emissions U.S. EPA Tier 3 / IMO II emissions certified
Bore 145 mm
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C7.1 Tier 3 / IMO II

Length 1095 mm
Height 876 mm
Minimum Width 798 mm
Configuration In-line 6, 4-stroke-cycle diesel
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Power Range 2320-2722 bhp (1730-2030 bkW)
Speed Range 900-1000 rpm
Emissions IMO II
Aspiration TA
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C9.3 ACERT

Power Range 375-476 bhp (280-355 bkW)
Speed Range 1800, 2100, 2300 rpm
Emissions IMO II, U.S. EPA Tier 3, China Stage II
Aspiration Turbocharged-aftercooled
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