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-E70 transmissions are ideal for pressure pumping applications. TH55-E70 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-E70 oilfield transmission. Gross input power: 2461 bkW (3300 bhp). TH55-E70 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
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-E70 transmissions are ideal for pressure pumping applications. TH55-E70 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-E70 oilfield transmission. Gross input power: 2461 bkW (3300 bhp).
TH55-E70 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
