TH55-E70 Oilfield Transmission
Gross Input Power |
3,300 BHP |
Gross Peak Input Torque |
9,350 ft-lb |
Rated Input Speed |
1,900 r/min |
Gears |
7F/0R |
1F Gear Ratio |
6 |
2F Gear Ratio |
5 |
Transmission Specifications
Gross Input Power |
3,300 BHP |
Gross Peak Input Torque |
9,350 ft-lb |
Rated Input Speed |
1,900 r/min |
Gears |
7F/0R |
1F Gear Ratio |
6 |
2F Gear Ratio |
5 |
3F Gear Ratio |
3 |
4F Gear Ratio |
2 |
5F Gear Ratio |
2 |
6F Gear Ratio |
1 |
7F Gear Ratio |
1 |
7F Gear Ratio |
1 |
Gross Input Power |
3,300 BHP |
Gross Peak Input Torque |
9,350 ft-lb |
Rated Input Speed |
1,900 r/min |
Gears |
7F/0R |
1F Gear Ratio |
6 |
2F Gear Ratio |
5 |
3F Gear Ratio |
3 |
4F Gear Ratio |
2 |
5F Gear Ratio |
2 |
6F Gear Ratio |
1 |
7F Gear Ratio |
1 |
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Cat Engines For Optimized Power Train
- Cat C3512C (HD)
- Cat 3516C (HD)
- Cummins QSK50
- Cummins QSK60
- MTU 12V4000
- MTU 16V4000
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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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