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Power-Shift Transmissions

Vehicle

The TD61-1180 and TD61-2619 AWD transmission systems offer rugged, high-horsepower, all-wheel-drive performance and dependability. Vehicles get on task quickly and get the job done.

Twin Disc off-highway vehicular transmission systems offer all-wheel drive traction, fast acceleration and unparalleled ease of operation.

TD61-2619 AWD

TD61-1180 AWD

TD61-1180 ARFF

VEHICLE

TD61-1180 ARFF

Description

TD61-1180 – UP TO 705 HP (526 kW)

The 1180 transmission system consists of an engine mounted 17.5 or 18.5 inch type 8 torque converter, a 6 speed power-shift transmission and an advanced electronic control system.

Specifications
  • Maximum gross input power (ARFF only) 705 hp (526 kW)
  • Maximum input speed 2300 RPM
  • Weight 1700 lbs. (770 kg)
  • Maximum oil temperature at converter outlet 250 F
  • Sump capacity 7 USG (26.5 liters)
  • Cooling required ~25% of GHP
  • Cooling pump capacity ~44 GPM @ 2100 RPM
  • Remote mounted
  • 30-70, 50-50, 70-30 with differential lock
  • TD61-1180 output rotation opposite engine for forward
RATIOS

Range

1st

2nd

3rd

4th

5th

6th

Reverse

Overall

Ratio

6.70

4.39

2.90

1.89

1.24

0.82

7.44

8.17

Step

1.53

1.51

1.53

1.52

1.51

Publications

TD61-1179 ARFF

TAD81-4001 ARFF

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