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Oil and gas producers have relied on Caterpillar since the industry's earliest days. For 60 years, we've powered the petroleum business on land. Now we go with it onto the ocean, hundred of miles out, thousands of feet down.

TH48-E80 Oilfield Transmission

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. Ideal applications for Cat TH48-E80 transmissions include pressure pumping, kill mud pumps, coil tubing pump support, nitrogen units, and acidizing units. TH48-E80 transmissions are optimized for use with Cat 3512B, Cat 3512C, and Cummins QSK50 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 TH48-E80 oilfield transmission. Gross input power: 1715 bkW (2300 bhp).

  • Specification Summary

  • Gross Input Power1715.0 bkW
  • Gross peak input torque9024.0 N·m
  • Rated input speed1900.0 RPM
  • Gear typeStraight spur planetary
  • Gears8F/0R
  • Specification Sheet


Product Details

Engine Specifications

Gross Input Power 1715.0 bkW
Gross peak input torque 9024.0 N·m
Rated input speed 1900.0 RPM
Gear type Straight spur planetary
Gears 8F/0R
1F gear ration 3.34
2F gear ration 2.45
3F gear ration 2.20
4F gear ration 1.81
5F gear ration 1.62
6F gear ration 1.36
7F gear ration 1.19
8F gear ration 1.00


Width 859.9 mm
Height 1177.0 mm
weight 2213.0 kg
Length 1984.4 mm
  • Cat Engines for Optimized Power Train
    •  Cat 3512B
    •  Cat 3512C
    •  Cummins QSK45
    •  Cummins QSK50
  • Cat 3512B
    • Cat 3512C
      • Cummins QSK45
        • Cummins QSK50
          • Transmission Rotation
            •  Input rotation — counterclockwise
            •  Output rotation — counterclockwise (as viewed from rear)
          • Input rotation — counterclockwise
            • Output rotation — counterclockwise (as viewed from rear)
              • Torque Converter
                •  Integral torque converter
                •  Series — TC58927-ESLF
                •  Stall torque ratio - 2.20
              • 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. 152 L (40 gal), subject to cooler size, lines, and installation.
                •  Filter Type — 10 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
              • 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

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