TH55-E90 Oilfield Transmission

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TH55-E90 Oilfield Transmission

At a glance data:

Gross Input Power:

3300.0BHP

Gross Peak Input Torque:

9350.0ft-lb

Rated Input Speed:

1900.0r/min

Gears:

9F/0R

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Overview

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.TH55-E90 transmissions are ideal for pressure pumping applications. TH55-E90 transmissions are optimized for use with Cat 3512C (HD), Cat 3516C (HD), Cummins QSK 50, Cummins, QSK 60, MTU 12V4000. and MTU 16V4000 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 TH55-E90 oilfield transmission. Gross input power: 2461 bkW (3300 bhp).

Transmission Specifications

Gross Input Power:

3300.0BHP

Gross Peak Input Torque:

9350.0ft-lb

Rated Input Speed:

1900.0r/min

Gears:

9F/0R

1F Gear Ratio:

4.67

2F Gear Ratio:

3.43

3F Gear Ratio:

3.03

4F Gear Ratio:

2.53

5F Gear Ratio:

2.22

6F Gear Ratio:

1.85

7F Gear Ratio:

1.64

8F Gear Ratio:

1.36

9F Gear Ratio:

1.00

Standard Equipment

cat engines for optimized power train

Cat C3512C (HD)
Cat 3516C (HD)
Cummins QSK50
Cummins QSK60
MTU 12V4000
MTU 16V4000

transmission rotation

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

torque converter

Integral torque converter
Series — TC64442-ESLF
Stall torque ratio — 2.23

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
1 pump

oil system

Cat Transmission/Drive Train Oil-4 (TDTO)
Sump oil temperatures
Hydraulic fill capacity — Approx. 189 L (50 gal), subject to cooler size, lines, and installation.
Filter Type — 6 micron synthetic, cartridge remote mount

mountings

Input connection (flywheel) — SAE #0
Output connections (flange)
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
Rated power

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