New | CM46DF (V-Type)

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.

Generator Set Specifications
Minimum Rating10580 kWe
Maximum Rating14110 kWe
Emissions/Fuel Strategy(WB) Cert stage 1 and 2
Voltage3000 to 13800 Volts
Frequency At Speed50 Hz @ 500 / 60 Hz @ 514
Duty CyclePrime, Continuous
Ready To Accept Loads (Preheated/Vented)40 s
Normal Ramp Up To 100% Load80 s
Emergency Ramp Up 10% To 100% Load25 s
Genset Efficiency Up To48.50%
Engine Specifications
Engine ModelCM46DF V-Type, 4-stroke-engine
Bore18.11 in
Stroke24.02 in
Engine Rating Range10800 - 14400 kW
Configuration12,16 cylinder
Fuel TypeGas / diesel oil / heavy fuel oil (HFO) / crude oil
Swept Volume6186 in³
Mean Effective Pressure Up To309 psi
Specific Fuel Oil Consumption (WB I) Up To0.406 Ib/kWh
Specific Fuel Oil Consumption (WB II) Up To0.406 Ib/kWh
Specific Lube Oil Consumption0.001 Ib/kWh
Generator Set Dimensions
Length - Minimum562 in
Length - Maximum652 in
Width - Minimum153 in
Width - Maximum159 in
Height - Minimum183 in
Height - Maximum188 in
Dry Weight - Genset (minimum)500449 lb
Dry Weight - Genset (maximum)630521 lb

Reliable Operation

  • Intensive cooling of key components including exhaust valve seats, injector cooling integrated into lube oil system
  • Reliable, proven and high efficient single turbo charging system
  • Classification society standards ensure high safety and quality
  • Intelligent simplicity ensures a robust engine platform
  • Optimized service schedules enable high availability and long durability

Control & Monitoring

  • Ultrafast start time and load acceptance
  • No engine start limitations
  • Continuous power (base and peak load), prime power, stand-by
  • Part load with high efficiency
  • Monitoring for unattended operation
  • Asset intelligence system

Ease Of Installation

  • Reduced complexity of standard modular design allows an easy installation
  • Low space requirements between the gensets
  • Genset is ready for installation
  • Generator set designed for direct elastic mounting

Ease Of Operation

  • Low fuel and oil consumption
  • Low maintenance requirements
  • Operator and maintenance training courses available

Intelligent Simplicity

  • High reliability, modular design and integral construction reduce the number of components by 40% over conventional designs e.g.:
  1. Dry engine block with integrated ducts for lubricating oil and charge air and underslung crankshaft
  2. Compact cylinder head design
  • Smart maintenance solutions:
  1. Easily removable cylinder heads, quick removable fluid connections
  2. Split connecting rods to allow fast and easy piston removal without disturbing the big end bearing
  3. Segmental camshaft design
  4. Simplified parts spectrum by using single-pipe exhaust gas
  5. Engine block free from cooling water
  • State-of-art material ensures long life time

Ease Of Maintenance

  • Smart maintenance solutions allow an easy component accessibility
  • Large inspection openings afford an easy serviceability to core engine internals
  • Core engine components designed for reconditioning and reuse
  • Short maintenance times enable high availability
  • No engine removal necessary for maintenance and overhauls


  • Liquid: Light fuel oil (LFO), crude oil and heavy fuel oil (HFO) with fuel quality up to 700 cSt/50°C according to CIMAC H55/K55
  • Dual:
    - Light fuel oil (LFO), crude oil and heavy fuel oil (HFO) with fuel quality up to 700 cSt/50°C according to CIMAC H55/K55
    - Natural gas with methane number > 80 and lower heating value of 28MJ/Nm3
  • Gaseous: Natural gas with methane number > 80 and lower heating value of 31.5 MJ/Nm3


  • World bank emission certification (Stage 2)
  • Technische Anleitung (TA) Luft (only gas)
  • Post-emission treatment systems for lower emission requirements available

Expertise & Experience

  • Assistance for planning - delivery - commissioning - operation and service)
  • Expertise and experience for solutions to maximize benefits, e.g. combine heat and power systems (CHP)

Standard Equipment

Fuel System
  • Ignition fuel oil module (only dual fuel (DF))
  • Circulation module
  • Separator module
  • Pre-pressure module
  • Engine ventilation module (only dual fuel (DF) and gas)
  • Gas valve unit (GVU) (only dual fuel (DF) and gas)
Lubricating Oil System
  • Piping interface module
  • Lube oil separator module
  • Combined module: cooling water system and lube oil system
Cooling Water System
  • Combined module: see lube oil system
  • Piping interface module
  • Cooling water system with radiators
Starting System
  • Starting air compressor module
  • Starting air receiver module
Combustion Air System
  • Air filter - pulse
  • Air filter - pocket
  • Air filter - oil bath
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 control panel (LCP)
  • Local data panel (LDP) / generator control panel (GCP)
  • Gas leak detection per cylinder (only dual fuel (DF) and gas)
  • Engine monitoring package
Mounting System
  • Elastic mounting - genset/engine



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