Well Service Transmissions CX48-P2300

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Key Specs

Gross Input Power
2300 BHP
1715 bkW
Gross Peak Input Torque
6656 ft-lb
9024 N·m
Rated Input Speed
1900 r/min
1900 r/min


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 CX48-P2300 transmissions include pressure pumping, kill mud pumps, coil tubing pump support, nitrogen units, and acidizing units. CX48-P2300 transmissions are optimized for use with Cat 3512B and 3512C engines as well as with Cummins QSK45, Cummins QSK50, and MTU 12V4000 engines. Cat transmissions are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. Cat CX48-P2300 oilfield transmission. Gross input power: 1715 bkW (2300 bhp).

Product Specifications for CX48-P2300

Gross Input Power 2300 BHP 1715 bkW
Gross Peak Input Torque 6656 ft-lb 9024 N·m
Rated Input Speed 1900 r/min 1900 r/min
Gear Type Straight Planetary Spur Straight Planetary Spur
Gears 8F/0R 8F/0R
1F Gear Ratio 3.34 3.34
2F Gear Ratio 2.45 2.45
3F Gear Ratio 2.20 2.20
4F Gear Ratio 1.81 1.81
5F Gear Ratio 1.62 1.62
6F Gear Ratio 1.36 1.36
7F Gear Ratio 1.19 1.19
8F Gear Ratio 1.00 1.00
Width 44.4 in 1128 mm
Height 41.3 in 1049 mm
Weight 3873 lb 1757 kg
Length 74.5 in 1893.2 mm

CX48-P2300 Standard Equipment

Cat Engines for Optimized Power Train

  • Cat 3512B
  • Cat 3512C
  • Cummins QSK45
  • Cummins QSK50
  • MTU 12V4000

Transmission Rotation

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

Torque Converter

  • Integral torque converter
  • Series - TC58927-ESLF
  • Stall torque ratio - 2.20


  • 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
  • Hydraulic Fill Capacity — Approx. 108 L (28.5 gal), 125 L (33 gal) initial fill; subject to cooler size, lines, and installation
  • Filter Type — 6 micron synthetic, cartridge remote mount


  • Input connection (flywheel) — SAE #0
  • Output connections (yoke) — GWB 390.60/GWB 390.65
  • Structural application subject to Caterpillar approval

Control System

  • Electronic Control Unit (ECU)
  • Electronic data link, SAE J1939
  • Electrical system 24V

Power Take-Off Drives

  • Location
  • Mounting type: J744 SAE C
  • Rated power
  • Rotation: Clockwise as installed on SAE C pad
  • Ratio, 1.216:1

CX48-P2300 Optional Equipment

Integral Power Take-Off

  • Location: 12 o'clock
  • Mounting type: J704 SAE 8 bolt
  • Rated power
  • Rotation:
  • Ratio - 1.088:1

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