it's catit's single

CX31-P600 Well Service Transmission

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.

Request a Quote

Gross Input Power600BHP

Gross Peak Input Torque2025ft-lb

Rated Input Speed2100r/min

Maximum Turbine Torque2600ft-lb

Minimum Input Speed2500r/min

Retarder Rating535HP

Retarder Rating Speed2400r/min

Electrical System24V

Gear TypePlanetary Spur


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


C9 ACERT, C11 ACERT, C13 ACERT, C15 ACERT, C18 ACERT (A and B ratings)


Input rotation — counterclockwiseOutput rotation — counterclockwise(as viewed from rear)


Lock-up clutch, torque converter drive in all gears integral to transmission

Stall torque ratio


Clutches — electro-hydraulic fully modulated, oil cooled, multidisc

Clutch modulation control — Cat Electronic Clutch Pressure Control (ECPC)


2 oil cooler lines

1 electrical connector


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


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


Remote mount ECU

Remote mount filter option



8 bolt mounting type

Rated torque

Rotation: same as engine

Ratio, 1:1


Remote mount oil filter


Location: 1 o'clock and 11 o'clock as viewed from rear

Mounting type

Rated torque

Rotation: same as engine

Ratio - 1.09:1


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



Complete this form to get a quote on the equipment you are interested in.

    This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

    What You Get: A phone call from a rep or agent. A cost estimate for your machine or the project. An in-person consultation if necessary.