generators
4B3.9 for Commercial Industrial
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Frequency

50, 60 Hz

Rated for kW kVA
Prime 31 - 38 38 - 48
Standby 34 - 42 42 - 53
Continuous 23 29

Certification

EPA Tier 1

Product Availability

Africa Middle East, Asia Pacific, Europe, India, Latin America, North America

Applications

Commercial Industrial
4b3.9 generator
Specifications
  • 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
Spec Sheet
Hz
Prime kW / kVA
Standby kW / kVA
Continuous kW / kVA
fuel type
engine model
rating
cert
C40D6
C40D6_EN
60
38 / 48
42 / 53
Diesel
EPA Tier 1
C45 D5
C45D5_EN
50
31 / 38
34 / 42
Diesel
EPA Tier 1
C40D6
Spec Sheet
60
36 / 45
40 / 50
Diesel
4BT3.3-G5
Prime, Standby
E.U., mobile application, E.U., stationary application, EPA, nonroad (portable) application, EPA, stationary emergency application, EPA, stationary non-emergency application
C40D6
Spec Sheet
60
38 / 48
42 / 53
23 / 29
Diesel
4B3.9-G2
Continuous, Prime, Standby
E.U., mobile application, E.U., stationary application, EPA, nonroad (portable) application, EPA, stationary emergency application, EPA, stationary non-emergency application
C40D6
Spec Sheet
60
Diesel
4BT3.3
Standby, Prime
U.S. EPA, Nonroad (Portable) Application; U.S. EPA, Stationary Emergency Application; Outside of U.S. and E.U. Application


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Generator Models
View all
4b3.9 generator
C40D6

Frequency (Hz)

60

Fuel Type

Diesel

Prime

36 kW

45 kVA

Standby

40 kW

50 kVA

View Details
4b3.9 generator
C40D6

Frequency (Hz)

60

Fuel Type

Diesel

Prime

38 kW

48 kVA

Standby

42 kW

53 kVA

View Details
4b3.9 generator
C40D6

Frequency (Hz)

60

Fuel Type

Diesel

View Details
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