TH48-E70 Oilfield Transmision

  • Overview
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Engine Specifications
Gross Input Power 895.0 bkW (1200.0 bhp)
Gross peak input torque 5995.0 N·m (4422.0 ft-lb)
Rated input speed 2100.0 RPM (2100.0 RPM)
Maximum turbine torque 5489.0 N·m (7442.0 ft-lb)
Gear type Straight spur planetary
Gears 7F/0R
1F gear ration 6.16
2F gear ration 4.52
3F gear ration 3.33
4F gear ration 2.47
5F gear ration 1.82
6F gear ration 1.36
7F gear ration 1.00
Dimensions
Width 866.0 mm (34.0 in)
Height 1092.0 mm (43.0 in)
weight 1692.0 kg (3735.0 lb)
Length 1681.0 mm (66.0 in)

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
      • 1200 hp — TC58924-ESLF
      • 1500 hp — TC58927-ESLF
      • 1200 hp — 2.27
      • 1500 hp — 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
      • Continuous — 194°F (90°C)
      • Maximum Intermittent — 210°F (99°C)
      • Continuous — 90°C (195°F)
      • Maximum Intermittent — 99°C (210°F)
    • 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
      • 3 positions (3 o’clock, 5 o’clock, and 9 o’clock from rear)
    • Mounting type: SAE 8 bolt (J704)
      • 112 kW/150 hp continuous
      • Pump drive subject to 15 kW (20 hp) @ 1900 rpm limitation until device is approved by Caterpillar

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