C7.1

C7.1 High Performance Propulsion Engine

C7.1 High Performance Propulsion Engine

DESCRIPTION

The C7.1 marine propulsion engine is ideal for recreational boating applications, specifically smaller vessels and motoryachts ranging from 25 -60 feet in size. The engine features a common rail fuel system enabling optimum combustion and low emissions. The engines provide noticeably quiet operation due to reduced combustion noise through advanced electronic control. Additionally, no visible smoke is emitted from the C7.1 engines during operation.The C7.1 marine propulsion engineis ideal for recreational boating applications, specifically smaller vessels and motoryachts ranging from 25 -60 feet in size. The engine features a common rail fuel system enabling optimum combustion and low emissions. The engines provide noticeably quiet operation due to reduced combustion noise through advanced electronic control. Additionally, no visible smoke is emitted from the C7.1 engines during operation.

Meet the new C7.1 Commercial Propulsion Engine

C7.1 Marine Propulsion Engine Walkaround

Key Features & Benefits

  • Common rail fuel system enables optimum combustion and low emissions
  • Reduced combustion noise through advanced electronic control
  • 12V or 24V electrical system
  • Compatible with Cat® displays and electronics
  • Closed crankcase ventilation system improves engine room cleanliness
  • Gear-driven jacket water pump and sea water pump for superior reliability
  • Maintenance free valve train with hydraulic valve lash adjusters
  • Self-priming fuel system ensures a smooth start every time

  • Standard Equipment
  • Optional Equipment
  • Specs
  • Docs

Standard Equipment

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

Optional Equipment

  • OPTIONAL ATTACHEMENTS
    • Transmission gear oil cooler (engine mounted)
  • General
    • Alternators - 24V 140 amp - 12V 175 amp
    • Instrument Panels
    • Glow plugs
    • Primary fuel filter/water separator (remote mount)
    • Selection of factory-fitted marine transmissions and oil hoses
    • Triple groove PTO pulley (crankshaft mounted)
    • Flexible fuel hoses
  • Cooling System
    • Jacket water heater
    • Cabin heater (calorifier) connections
  • Exhaust System
    • 6" water cooled exhaust elbow
  • Mounting System
    • Isolation mounts
  • Lube System
    • Right-hand and high level left hand oil dipsticks

Specs

Overview

Long Name:
C7.1 High Performance Propulsion Engine
Name:
C7.1
Brand:
Caterpillar
Status:
Current

Ratings

Power Range
400 - 500 bhp (298 - 373 bkW)

Engine Specifications

Speed Range
2900 rpm
Rotation from Flywheel End
Counterclockwise
Bore
4.13 in / 105 mm
Stroke
5.31 in / 135 mm
Aspiration
Turbocharged - Aftercooled
Displacement
428 in³ / 7.01 l
Configuration
In-line 6, 4-Stroke-Cycle Diesel
Emissions
IMO II, U.S. EPA Tier 3, RCD II, China II

Dimensions & Weights

Width - Engine
31.4 in / 798 mm
Height
34.5 in / 876 mm
Engine Dry Weight - Approximate
1676 lb / 760 kg
Length - Engine
43.1 in / 1095 mm

SEE HOW C7.1 COMPARES AGAINST FREQUENTLY COMPARED PRODUCTS.

High Performance Propulsion and Maneuvering Solutions
C7.1
C7.1 High Performance Propulsion Engine
Brand
Caterpillar
Status
Current
Power Range
400 - 500 bhp (298 - 373 bkW)
Speed Range
2900 rpm
Rotation from Flywheel End
Counterclockwise
Bore
4.13 in / 105 mm
Stroke
5.31 in / 135 mm
Aspiration
Turbocharged - Aftercooled
Displacement
428 in³ / 7.01 l
Configuration
In-line 6, 4-Stroke-Cycle Diesel
Emissions
IMO II, U.S. EPA Tier 3, RCD II, China II
Height
34.5 in / 876 mm
Selected Model
High Performance Propulsion and Maneuvering Solutions
C32B Sequential Turbo
C32B
Brand
Caterpillar
Status
Current
Power Range
1800-2400 bhp (1342-1790 bkW)
Speed Range
2300 rpm
Rotation from Flywheel End
Counterclockwise
Bore
5.71 in / 145 mm
Stroke
6.38 in / 162 mm
Aspiration
Sequential Turbocharged - aftercooled
Displacement
1959 in³ / 32.1 l
Configuration
VEE 12, 4-Stroke Cycle diesel
Emissions
IMO II/III, U.S. EPA Tier 3 (recreational), RCD, China II
Height
58.1 in / 1478 mm
More Details
High Performance Propulsion and Maneuvering Solutions
C32
C32
Brand
Caterpillar
Status
Current
Power Range
1600-1900 bhp (1193-1417 bkW)
Speed Range
2300 rpm
Rotation from Flywheel End
Counterclockwise
Bore
5.71 in / 145 mm
Stroke
6.38 in / 162 mm
Aspiration
Twin Turbocharged-aftercooled
Displacement
1959 in³ / 32.1 l
Configuration
Vee 12, 4-Stroke Cycle diesel
Emissions
IMO II, U.S. EPA Tier 3 Recreational, RCD, China Stage II
Height
56.9 in / 1445 mm
More Details