TH48-E70 Oilfield Transmission

Specifications

Full Specifications

Transmission Specifications

Gross Peak Input Torque
4422.0 ft-lb

Rated Input Speed
2100.0 r/min

Maximum Turbine Torque
7442.0 ft-lb

Gear Type
Straight spur planetary

Gears
7F/0R

1F Gear Ratio
6.16

2F Gear Ratio
4.52

3F Gear Ratio
3.33

4F Gear Ratio
2.47

5F Gear Ratio
1.82

6F Gear Ratio
1.36

7F Gear Ratio
1.00

Dimensions

Width
34.0 in

Height
43.0 in

Weight
3735.0 lb

Length
66.0 in

Equipment

Standard Equipment

Cat Engines for Optimized Power Train

• Cat C27 ACERT
• Cat C32 ACERT
• Cummins QST30 (950-1500 bhp ratings)

Transmission Rotation

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

Torque Converter

• Integral torque converter
• Series
• Stall torque ratio

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. 114 L (30 gal), subject to cooler size, lines, and installation.
• Filter Type — 6 micron synthetic, cartridge remote mount

Mountings

• 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: SAE 8 bolt (J704)
• Rated power

Resources

TRANSMISSIONS FOR THE PETROLEUM INDUSTRY

TH48-E70 TRANSMISSION SPEC SHEET - PETROLEUM