2021 Caterpillar Commercial Propulsion Engines C7.1 TIER 3 / IMO II
- Year 2021
- Make Caterpillar
- Model Commercial Propulsion Engines
2021 Caterpillar Commercial Propulsion Engines C7.1 TIER 3 / IMO II
C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II)
Features may include:
Reliability & Durability- Superior response time and acceleration; 12V or 24V electrical system; gear driven jacket water pump and sea water pump for superior reliability; maintenance free valve train with hydraulic valve lash adjusters
- Compatible with Cat® displays and electronics; self priming fuel system ensures a smooth start every time
- No visible smoke; common rail fuel system enables optimum combustion and low emissions; reduced combustion noise through advanced electronic control; closed crankcase ventilation system improves engine room cleanliness
Engine
Rated Engine Speed
2300 - 2700 rpm
Bore
105 mm (4.13 in)
Stroke
135 mm (5.31 in)
Displacement
7.01 l (428 in³)
Cylinder Liners
In-line 6, 4-stroke-cycle diesel
Cooling
Heat exchanger or keel cooled
Aspiration
Turbocharged-aftercooled aspiration
Emissions
U.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
Fuel System
Fuel Type
Diesel
Drivetrain
Governor
Electronic (A5E2 V2 ECM)
Operational
Operating Conditions
Oil Change Interval: 500 hrs
Dimensions
Height
891 mm (35.1 in)
Length
1095 mm (43.1 in)
Width
Minimum: 798 mm (31.4 in) | Maximum: 850 mm (33.5 in)
Capacities
Oil Capacity (w/filter)
Refill: Lube Oil System w/Oil filter change: 20 L (5.3 gal)
Weights
Dry Weight
Minimum Engine: 730 kg (1609 lb) | Maximum Engine: 760 kg (1676 lb)
Features
Features
Flywheel Housing: SAE No. 03 with SAE 11.5 in flywheel | Rotation: Counterclockwise from flywheel end