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Cat Electric Drive Motors for Gas Compression

Oil and gas producers have relied on Caterpillar since the industry's earliest days. For 60 years, we've powered the petroleum business on land. Now we go with it onto the ocean, hundred of miles out, thousands of feet down.

CN5086 Electric Motor

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.

Product Details

Electric Motor Specifications

Electric Motor Type Squirrel Cage Induction Motor
Number of Poles 8
Full Load Speed 894.0 rpm
Voltage/Frequency 4000V ± 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 WP-II
Insulation Class F
Service Factor 1.0 VFD
Standards NEMA MG1
Max Ambient Temperature 40 °C
Max Altitude Before Derate 1000 m
Duty Continuous
Temperature Rise Class B at rated load
Connection of Stator Winding Star
Full Load Current 658 Amps
Locked Rotor Amps 520% Code E
Locked Rotor Torque 60%
Breakdown Torque 190%
No Load Current 200 Amps
Rated Torque 39815 N•m
Shaft 216 mm
  • Bearings
    •  Self-lubricated sleeve bearings
    •  Insulated non-drive end bearings to reduce bearing currents
    •  Bearing RTDs for temperature monitoring
  • Rotors
    •  Designed for minimal vibration
    •  Dynamic balancing at full operational speed
    •  Fabricated copper squirrel cages
    •  Oversized, 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
  • Oversized Terminal Box
    • Surge Protection
      • Differential CTs
        • Differential Pressure Switch
          • Oil Sump Heater and Controller
            • Star Point Convection in Terminal Box
              • Blower Motor Cooling
                • Right-hand or left-hand (F1 or F2) Main Terminal Box
                  Catepillar Equipments