Well service transmissions

CX35-P800

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 CX35-P800 transmissions include workover rigs, hydraulic fracturing, kill mud pumps, coil tubing pump support, nitrogen units, acidizing units, and cementing units. CX35-P800 transmissions are optimized for use with C15 ACERT, C18 ACERT, and C27 ACERT engines (A ratings).Cat CX35-P800 oilfield transmission. Gross input power: 597 bkW (800 bhp). Configurations available include basic and integral pump drives.

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Transmission Specifications
Gross Input Power800.0 BHP
Gross Peak Input Torque2700.0 ft-lb
Rated Input Speed2100.0 r/min
Maximum Turbine Torque2700.0 ft-lb
Minimum Input Speed600.0 r/min
Electrical System24.0 V
Gear TypePlanetary Spur
Gears8F/1R
1F Gear Ratio5.73
2F Gear Ratio3.57
3F Gear Ratio2.72
4F Gear Ratio1.95
5F Gear Ratio1.43
6F Gear Ratio1.00
7F Gear Ratio0.74
8F Gear Ratio0.63
1R Gear Ratio-4.46
Overall Gear Ration9.10

Cat Engines for Optimized Power Train

  • C15 ACERT, C18 ACERT, and C27 ACERT (A ratings).

Transmission Rotation

  • Input rotation — counterclockwise
  • Output rotation — counterclockwise(as viewed from rear)

Torque Converter

  • Lock-up clutch, torque converter drive in all gears integral to transmission
  • Stall torque ratio - 1.962

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 — 9 gal (34 L), 16 gal 61L) initial fill
  • Direct mount filter

Mountings

  • Input (flywheel) — SAE #1 dry flywheel housing
  • Side supports — two SAE #2 pads
  • Output — 1810 yoke, 1810 companion flange, SPL 250 yoke, ISO 8667-T180 flange

Power Take-Off Drives

  • Location
  • Mounting type: 10 bolt
  • Rated torque
  • Rotation: same as engine
  • Ratio, 1:1
  • CX35-P800 Transmission with Optional Integral Pump Drives
    application/pdf

Need installed dimensions with enclosure and tank? See Model Configurations