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Transmissions

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.

CX31-P600 Well Service Transmission

Your operation depends on the power driving it. And your transmission is as crucial to your power solution as the engine. Cat transmissions are proven in the oil and gas industry and widely known for their exceptional power, leading durability, ease of operation, and shifting options.Ideal applications for Cat CX31-P600 transmissions include workover rigs, kill mud pumps, coil tubing pump support, nitrogen units, acidizing units, and cementing units. CX31-P600 transmissions are optimized for use with C9 ACERT, C11 ACERT, C13 ACERT, C15 ACERT, and C18 ACERT engines (A and B ratings).Cat CX31-P600 oilfield transmission. Gross input power: 447 bkW (600bhp). Configurations available include integral pump drives, integral drop box, and side power take-off.

Product Details

Engine Specifications

Gross Input Power 447 bkW
Gross peak input torque 2746 N·m
Rated input speed 2100 RPM
Maximum turbine torque 3525 N·m
Minimum Input Speed 2500 RPM
Retarder rating 399 kW
Retarder rating speed 2400 RPM
Electrical system 12 volts
Gear type Planetary Spur
Gears 6F/1R
1F gear ration 4.40
2F gear ration 2.33
3F gear ration 1.53
4F gear ration 1.00
5F gear ration 0.72
6F gear ration 0.61
1R gear ration -3.97
Overall gear ration 7/21
  • Cat Engines for Optimized Power Train
    •  C9 ACERT, C11 ACERT, C13 ACERT, C15 ACERT, C18 ACERT (A and B ratings)
  • Transmission Rotation
    •  Input rotation — counterclockwiseOutput rotation — counterclockwise(as viewed from rear)
  • Torque Converter
    •  Lock-up clutch, torque converter drive in all gears integral to transmission
    •  Stall torque ratio
  • Clutches
    •  Clutches — electro-hydraulic fully modulated, oil cooled, multidisc
    •  Clutch modulation control — Cat Electronic Clutch Pressure Control (ECPC)
  • Installation Connections
    •  2 oil cooler lines
    •  1 electrical connector
  • Oil System
    •  Cat Transmission/Drive Train Oil-4 (TDTO) sump oil temperatures
    •  Maximum converter outlet oil temperature — 250°F (121°C)
    •  Hydraulic fill capacity — 6.5 gal (25 L) subject to cooler size, lines, and installation — initial fill may be greater
    •  Direct mount filter
  • Mountings
    •  Input (flywheel) — SAE #1 dry flywheel housing
    •  Side supports — two SAE #2 pads
    •  Output — 1710 yoke, 1810 yoke, 1810 companion flange, ISO 8667-T180 flange
  • Power Take-Off Drives
    •  Location
    •  8 bolt mounting type
    •  Rated torque
    •  Rotation: same as engine
    •  Ratio, 1:1
  • Location
    • 8 bolt mounting type
      • Rated torque
        • Rotation: same as engine
          • Ratio, 1:1
            • Oil system
              •  Remote mount oil filter
            • Remote mount oil filter
              • Mountings
                •  Remote mount ECU
                •  Remote mount filter option
              • Remote mount ECU
                • Remote mount filter option
                  • Integral Power Take-Off
                    •  Location: 1 o’clock and 11 o’clock as viewed from rear
                    •  Mounting type
                    •  Rated torque
                    •  Rotation: same as engine
                    •  Ratio - 1.09:1
                  • Rear Power Take-Off
                    •  Location: 5 o’clock as viewed from rear
                    •  Mounting type: 8 bolt
                    •  Rated torque: 1000 lb-ft (1360 Nm)
                    •  Rotation: Opposite of engine
                    •  Ratio - 1.25:1
                  • Location: 5 o’clock as viewed from rear
                    • Mounting type: 8 bolt
                      • Rated torque: 1000 lb-ft (1360 Nm)
                        • Rotation: Opposite of engine
                          • Ratio - 1.25:1
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