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7CM46DF | Ohio Cat Rental Store
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7CM46DF

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SPECIFICATION SUMMARY
  • Minimum Rating 7640 kV·A
  • Maximum Rating 8190 kV·A
  • Emissions IMO Tier II

PRICE (USD)
Call 440-838-7348 for rate information

Engine Specifications

  • Minimum Rating
    7640 kV·A
  • Maximum Rating
    8190 kV·A
  • Emissions
    IMO Tier II

Engine Design

World-class reliability and durability; Medium speed long-stroke engine design; Compact cylinder head design; Nodular cast-iron block with integrated ducts for lubricating oil and charge air; Segmental camshaft design; Capable of operation fuels up to 700 cSt/50°C fuel quality according to CIMAC H55/K55 and Crude Oil; High efficiency turbocharger; Cylinder liner semi-dry, only cooled outside the engine block; Engine control terminal with analog instrumentation in robust cast casing; Connecting rod, oblique split design for easy maintenance; Compact module for lower valve drives and injection pump drives with cam followers; Flexible Camshaft Technology (FCT), optional; Engine design based on the higher requirements of crude oil; Super fine honed cylinder liner for low lube oil consumption; Hardened piston ring grooves; Diamond coated piston rings; Fuel injection and integrated gas admission valve with easy service and maintenance access; Cylinder pressure sensors for highest operational reliability and efficiency, replacing conventional knocking sensor technology; Piston, rings and liners designed for operation on gas and liquid fuels; Optimized engine efficiency in gas and diesel operation; Blow-off valve and waste gate technology for optimized air-fuel ratio control

Ease of installation

Standard modular design allows for ease of installation and reduced complexity; Installation-friendly, due to pumps and filters installed on the engine; Cooling water system with simple plug-in connections; Full range of factory-installed engine attachments allows customization and reduction in installation time

Packaging Concept

Assembled, tested and validated as a package to minimize package vibration and maximize component life

Improved Serviceability

Large inspection openings allow for convenient access to core engine internals for easier serviceability; Core engine components designed for reconditioning and reuse at overhaul; Worldwide dealer network with factory-trained technicians means that parts and support are never out of reach; Simplified parts spectrum by using single-pipe exhaust gas; Split connecting rod design for quick piston removal; Individual camshaft segments for easy removal

Standard Equipment:

  • Engine
    • Motor-driven barring gear, fitted on engine
    • Reversing contractor and pushbutton switch with cable
    • Electronic speed setting equipment with actuator and speed pick-up
    • Emergency shutdown equipment with pushbutton, separate, for manual emergency stop
  • Engine Indicators
    • Gauge board with set liquid damped pressure gauges for: fuel, lubricating oil, fresh water, starting air, charge air
    • On-engine thermometers for fuel, lubricating oil, fresh water and charge air
    • Electric remote speed indicator
    • Turbocharger and remote speed indicator
    • Exhaust gas temperature indicator
  • Control System
    • Manual control on engine, including: control panel with start/stop key, speed setting device, mechanical shutdown device, change over of control functions from engine to remote control
    • Starting solenoid valve on engine, 24 V DC
    • Separate electronic speed governor
  • Monitoring For Unattended Operation
    • Pressure switches, mounted on engine
    • Control Cabinet with housings for wall mounting, including: Protection equipment designed for automatic and manual stop input signals, starting interlock input signals, monitoring for the wire break of the input signal units and the emergency shutdown solenoid / Speed recording system for over speed, firing speed and minimum speed / Service hour counter
  • Starting Air System
    • Separate non-return valve for the starting air pipe to the engine
  • Air Inlet System
    • Air intake filter, separate
  • Gas System
    • Double-walled gas piping to support an inherently safe engine room concept
    • Leakage detection
    • Gas valve unit
    • Segmented gas detection system on request
  • Micro Pilot Fuel Injection System
    • Gear driven high pressure fuel pump and filter system with easy service access
    • Reliability combined with service and maintenance simplicity, through individual ignition fuel injector and “in-cylinder head” integrated ignition fuel return pipes
  • Fuel System
    • Circulating pump, separate, electric motor driven
    • Duplex filter with differential pressure indication
  • Exhaust System
    • Turbocharger at free end with transition nozzle (0 degree from the vertical and away from engine), with compressor cleaning device
    • Expansion joint separate
  • Cooling System
    • HT pump, separate on module, vertical design, electric motor driven
    • LT pump, separate on module, vertical design, electric motor driven
    • HT thermostat, not powered and separate on module
    • Engine preheating equipment, fitted on base frame
  • Lube System
    • Plate cooler, separate on module
    • Force pump, fitted on engine
    • Pre-Lubrication pump, separate on module, electric motor driven
    • Automatic back flushing filter, fitted on engine
    • Duplex filter with differential pressure indication, separate on module
    • Pressure control valve, fitted on engine
    • Thermostats, not powered, separate on module
  • Connection Parts-engine
    • Set of connecting parts between flange coupling and flywheel
    • Flexible flange coupling between engine and generator
    • Base frame with flywheel guard and incorporating lube oil sump tank, for engine and generator
    • Mounting of engine and generator on the base frame
    • Set of bonded rubber rails for resilient mounting of the base frame
    • Set of flexible pipe connection
  • Tools
    • Set of tools for the engine including hydraulic tightening tools and nozzle tester
    • Set of tools for turbocharger
    • Inside micrometer for cylinder liners
    • Ruler for cylinder liner
  • Spare Parts
    • Set of engine spare parts for unrestricted operation
    • Set of spare flexible pipe connections

Optional Equipment:

  • Monitoring For Unattended Operation
    • Start/stop logic, controlled by engine automatic start
    • Optional alarm system, cassette type, designed for alarm inputs for the engine including exhaust mean-value monitoring equipment as well as alarm inputs for the propulsion plant
    • Optional group alarm panel for the bridge and with optional and acoustic alarm equipment
  • Starting Air System
    • Air bottle, separate
  • Exhaust System
    • Separate silencer and spark arrester, unlagged 35 dB(A)