C7.1 High Performance Propulsion Engine

Commercial Propulsion Engines C7.1 Tier 3 / IMO II

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Key Specs

Power Range
280 bhp - 425 bhp (209 bkW - 317 bkW)
280 bhp - 425 bhp (209 bkW - 317 bkW)
Speed Range
2300 - 2700 rpm
2300 - 2700 rpm
Emissions
U.S. EPA Tier 3, IMO II, RCD II, China II
U.S. EPA Tier 3, IMO II, RCD II, China II

Overview

C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II)

Product Specifications for C7.1 Tier 3 / IMO II

Power Range 280 bhp - 425 bhp (209 bkW - 317 bkW) 280 bhp - 425 bhp (209 bkW - 317 bkW)
Speed Range 2300 - 2700 rpm 2300 - 2700 rpm
Emissions U.S. EPA Tier 3, IMO II, RCD II, China II U.S. EPA Tier 3, IMO II, RCD II, China II
Configuration In-line 6, 4-stroke-cycle diesel In-line 6, 4-stroke-cycle diesel
Displacement 428 in³ 7.01 l
Aspiration Turbocharged-aftercooled Turbocharged-aftercooled
Governor Electronic (A5E2 V2 ECM) Electronic (A5E2 V2 ECM)
Flywheel Housing SAE No. 03 SAE No. 03
Bore 4.13 in 105 mm
Stroke 5.31 in 135 mm
Refill Capacity 20 L (5.3 gal) 20 L (5.3 gal)
Oil Change Interval 500 hrs 500 hrs
Rotation Counterclockwise from the flywheel end Counterclockwise from the flywheel end
Cooling Heat exchange or keel cooled Heat exchange or keel cooled
Dry Weight 1676 lb 760 kg
Height 34.5 in 876 mm
Length 43.1 in 1095 mm
Width 31.4 in 798 mm

C7.1 Tier 3 / IMO II Standard Equipment

STANDARD EQUIPMENT

  • Water-cooled turbocharger and exhaust manifold
  • Common rail fuel system
  • Corrosion-resistant sea water aftercooler
  • Closed crankcase ventilation system
  • Starter motors - 12V or 24V
  • Fuel cooler
  • Integral engine oil cooler
  • Vibration damper and guard
  • Electric fuel priming pump
  • Self-tensioning multi-vee alternator drive belt
  • Gear-driven seawater pump (rubber impeller)
  • Fin and tube-type jacket water heat exchanger
  • Front and rear engine mounting brackets

C7.1 Tier 3 / IMO II Optional Equipment

OPTIONAL ATTACHMENTS

  • Marine Classification Society (MCS) Approval ABS, BV, CCS, CRS, *DNV-GL, IRS, LR, Class NK, PRS, RINA (*DNV-GL approval available for keel-cooled engines only)
  • SOLAS double wall high-pressure fuel lines
  • Engine mounted bilge pumps and auxiliary water pumps with electromagnetic clutch
  • Engine-mounted secondary alternator - 24V 55 amp or 12V 100 amp
  • Analogue gauge displays
  • Transmission gear oil cooler (engine mounted)
  • Glow plugs
  • Jacket water heater
  • Various 5" and 6" water cooled exhaust elbow configurations
  • Cabin heater (calorifier) connections
  • Right-hand and high-level left-hand oil dipsticks
  • Mechanical throttle converter for repower

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