professional vessel engine / inboard / propulsion / diesel
C7.1 Caterpillar Marine Power Systems

• Market:

  professional vessel

• Type:

  inboard, propulsion

• Power source:

  diesel

• Technology:

  turbocharged, common-rail

• Other characteristics:

  Tier 3

• Power:

  Min.: 280 ch (280 hp)

  Max.: 425 ch (425 hp)

DIMENSIONS & WEIGHTS

Length43.1 in
Height35.1 in
Minimum Width31.4 in
Maximum Width33.5 in
Minimum Engine Dry Weight1609.0 lb
Maximum Engine Dry Weight1676.0 lb
POWER RATING
Minimum Rating280.0 BHP
Maximum Rating425.0 BHP
ENGINE SPECIFICATIONS
ConfigurationIn-line 6, 4-stroke-cycle diesel
EmissionsU.S. EPA Tier 3 / IMO II emissions certified (commercial), RCD 2016 compliant, EU Stage IIIA compliant, CCNR Stage II through reciprocity with EU Stage IIIA
Rated Engine Speed2300 - 2700 rpm
Bore4.13 in
Stroke5.31 in
Displacement428.0 in³
AspirationTurbocharged-aftercooled aspiration
GovernorElectronic (A5E2 V2 ECM)
Refill CapacityLube Oil System w/Oil filter change: 20 L (5.3 gal)
Oil Change Interval500 hrs
CoolingHeat exchanger or keel cooled
Flywheel HousingSAE No. 03 with SAE 11.5 in flywheel
RotationCounterclockwise from flywheel end