CN3086 Electric Motor for Gas Compression

Number of Poles
Electric Motor Type
Squirrel Cage Induction Motor
Full Load Speed
892 r/min
  • Exterior View

Get power built for your most demanding gas compression applications. Every Cat® electric motor is tested at each stage of production to make sure it performs reliably under load and according to your process requirements. High operating efficiency and low operating costs come with low noise levels and no emissions. Cat electric motors for gas compression are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty.

Electric Motor Specifications

Number of Poles
Electric Motor Type
Squirrel Cage Induction Motor
Full Load Speed
892 r/min
4000V & 4160V ± 10%/60 Hz
Type of EX-Protection
Class 1 Division 2 Group A,B,C,D T3 (NEC or CEC)
Mounting Designation
F1 or F2
Enclosure Type/Method of Cooling
Class F
Service Factor
1.15 SF (1.0 VFD)
Maximum Ambient Temperature
104 °F
Maximum Altitude - Before Derate
3,300 ft
Temperature Rise
Class B at rated load
Connection of Stator Winding
Full Load Current
390 Amps
Locked Rotor Amps
490% Code E
Locked Rotor Torque
No Load Current
108 Amps
Rated Torque
17,658 lb/ft
9 in
Number of Poles
  • Bearings
    • Bearing RTDs for temperature monitoring
    • Insulated non-drive end bearings to reduce bearing currents
    • Anti-friction on 1500 hp (optional)
  • Rotors
    • Designed for minimal vibration
    • Dynamic balancing at full operational speed
    • Fabricated copper squirrel cages
    • Forged, keyless shaft
    • AISI 4140/DIN42CrMo4 shaft
  • Stators
    • Radial air ducts ensure uniform and efficient cooling
    • Vacuum pressure impregnated with specially formulated epoxy resin
    • 2X RTDS per Phase
    • Space heater
    • Welded and machined stator core retains its rigidity throughout motor life to ensure a sealed and homogeneous insulation system that results in high dielectric strength, excellent heat transfer and the elimination of hazardous internal partial discharges