Well Service Transmissions TH53-E60

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Key Specs

Gross Input Power
2500 BHP
1865 bkW
Gross Peak Input Torque
8914 ft-lb
12086 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.TH53-E60 transmissions are ideal for pressure pumping applications. TH53-E60 transmissions are optimized for use with Cat 3512C (HD) and Cat 3512E (HD) 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 TH53-E60 oilfield transmission. Gross input power: 1865 bkW (2500 bhp).

Product Specifications for TH53-E60

Gross Input Power 2500 BHP 1865 bkW
Gross Peak Input Torque 8914 ft-lb 12086 N·m
Rated Input Speed 1900 r/min 1900 r/min
Gears 6F/0R 6F/0R
1F Gear Ratio 4.54 4.54
2F Gear Ratio 3.33 3.33
3F Gear Ratio 2.99 2.99
4F Gear Ratio 2.46 2.46
5F Gear Ratio 2.20 2.20
6F Gear Ratio 1.62 1.62

TH53-E60 Standard Equipment

Cat Engines for Optimized Power Train

  • Cat 3512C (HD)
  • Cat 3512E (HD)

Transmission Rotation

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

Torque Converter

  • Factory installed torque converter
  • Series — TC58733-ESLF
  • Stall torque ratio — 2.30


  • Clutches — electro-hydraulic fully modulated, oil cooled, multidisc
  • Clutch modulation control — Cat Electronic Clutch Pressure Control (ECPC)

Installation Connections

  • 2 cooler
  • 1 electrical

Oil System

  • Cat Transmission/Drive Train Oil-4 (TDTO)
  • Oil temperatures continuous - 80°C (195°F)
  • Hydraulic Fill Capacity — Approx. 108L (28.5 gal), 104 L (27.5 gal) initial fill; 87 L (23 gal) refill; subject to cooler size, lines, and installation
  • Filter Type — 6 micron synthetic, cartridge remote mount


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

Control System

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

Power Take-Off Drives

  • Mounting Type: J704 SAE Bolt, Location: 12 o’clock, Rated Power: 150HP @1900RPM
  • Mounting Type: J744 SAE C, Location: 10 o’clock, Rated Power: 150HP @1900RPM

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