CM46DF (Inline)

Caterpillar electric power stands for reliable energy supply. Especially during the energy system transformation, Cat generator sets close the energy gap caused by renewable energy source such as wind and photo voltaic. Short ramp up time, low operating costs and rapid maintenance times ensures a high availability according to the need of our customers. Combined heat /cool and power solutions allow our customers to maximize the efficiency and earnings paired with low emissions. Wherever power is needed around the globe, Caterpillar is able to support you with the best products and services to maximize your profit.

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Minimum Rating 5290 kWe
Maximum Rating 7930 kWe
Emissions/Fuel Strategy (WB) Cert stage 1 and 2
Voltage 3000 to 13800 Volts
Frequency At Speed 50 Hz @ 500 / 60 Hz @ 514
Duty Cycle Prime, Continuous
Ready To Accept Loads (Preheated/Vented) 40 s
Normal Ramp Up To 100% Load 80 s
Emergency Ramp Up 10% To 100% Load 25 s
Genset Efficiency Up To 47.40%
Engine Model CM46DF Inline, 4-stroke-engine
Bore 18.11 in
Stroke 24.02 in
Aspiration Turbocharged-aftercooled
Engine Rating Range 5400 - 8100 kW
Configuration 6,7,8,9 cylinder
Fuel Type Gas / diesel oil / heavy fuel oil (HFO) / crude oil
Swept Volume 6186 in³
Mean Effective Pressure Up To 309 psi
Specific Fuel Oil Consumption (WB I) Up To 0.41 Ib/kWh
Specific Fuel Oil Consumption (WB II) Up To 0.41 Ib/kWh
Specific Lube Oil Consumption 0.001 Ib/kWh
Length - Minimum 480 in
Length - Maximum 569 in
Width - Minimum 134 in
Width - Maximum 134 in
Height - Minimum 247 in
Height - Maximum 262 in
Dry Weight - Genset (minimum) 392422 lb
Dry Weight - Genset (maximum) 529109 lb
Fuel System
  • Circulation module
  • Ignition fuel oil module (only dual fuel (DF))
  • Pre-pressure module
  • Engine ventilation module (only dual fuel (DF) and gas)
  • Separator module
  • Gas valve unit (GVU) (only dual fuel (DF) and gas)
Lubricating Oil System
  • Piping interface module
  • Combined module: cooling water system and lube oil system
  • Lube oil separator module
Cooling Water System
  • Cooling water system with radiators
  • Piping interface module
  • Combined module: see lube oil system
Starting System
  • Starting air compressor module
  • Starting air receiver module
Combustion Air System
  • Air filter - pocket
  • Air filter - oil bath
  • Air filter - pulse
Exhaust System
  • Oxidation catalytic (Oxicat) converter system
  • Exhaust gas ventilation module (only dual fuel (DF) and gas)
  • Selective catalytic reduction (SCR) system
  • Exhaust gas silencer
Control & Monitoring System
  • Motor control center module (MCC)
  • Local data panel (LDP) / generator control panel (GCP)
  • Engine monitoring package
  • Local control panel (LCP)
  • Gas leak detection per cylinder (only dual fuel (DF) and gas)
Mounting System
  • Elastic mounting - genset/engine