4b3.9 generator

4B3.9 for Commercial Industrial

Frequency (Hz) 50, 60
Certification EPA Tier 1
Fuel Type Diesel
Rated for kW kVa
Standby 34-42 42-53
Prime 31-38 38-48

Applications

Commercial Industrial
  • Cummins® heavy-duty engine - Rugged 4-cycle, industrial diesel delivers reliable power, low emissions and fast response to load changes.
  • Alternator - Several alternator sizes offer selectable motor starting capability with low reactance 2/3 pitch windings, low waveform distortion with non-linear loads and fault clearing short-circuit capability.
  • Control system - The PowerCommand® electronic control is standard equipment and provides total genset system integration including automatic remote starting/stopping, precise frequency and voltage regulation, alarm and status message display, AmpSentry™ protection, output metering, auto-shutdown at fault detection and NFPA 110 Level 1 compliance.
  • Cooling system - Standard integral set-mounted radiator system, designed and tested for rated ambient temperatures, simplifies facility design requirements for rejected heat.
  • Enclosures - Optional weather protective and sound attenuated enclosures are available.
  • Fuel tanks - Dual wall sub-base fuel tanks and in-skid day tanks are also offered.
  • NFPA - The genset accepts full rated load in a single step in accordance with NFPA 110 for Level 1 systems.
  • Warranty
Generator Model Hz Prime kVA / kW Standby kVA / kW Fuel Type Spec Sheet
C45 D5 50 38 / 31 42 / 34 Diesel C45D5_EN
C40D6 60 48 / 38 53 / 42 Diesel C40D6_EN


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