Well service transmissions

CX31-P600

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.

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Transmission Specifications
Gross Input Power600.0 BHP
Gross Peak Input Torque2025.0 ft-lb
Rated Input Speed2100.0 r/min
Maximum Turbine Torque2600.0 ft-lb
Maximum Input Speed2500 r/min
Retarder Rating535.0 hp
Retarder Rating Speed2400.0 r/min
Electrical System24.0 V
Gear TypePlanetary Spur
Gears6F/1R
1F Gear Ratio4.40
2F Gear Ratio2.33
3F Gear Ratio1.53
4F Gear Ratio1.00
5F Gear Ratio0.72
6F Gear Ratio0.61
1R Gear Ratio-3.97
Overall Gear Ration7/21

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
  • CX31-P600 Transmission Spec Sheet
    application/pdf

Need installed dimensions with enclosure and tank? See Model Configurations