TD61-1179 ARFF TRANSMISSION
TD61-1179 – UP TO 770 HP (575 kW)
The 1180 transmission system consists of an engine mounted type 8 torque converter, remote mounted 6 speed automatic transmission and the advanced TDEC-501 electronic control system.
Specifications
- Maximum gross input power (ARFF only) 770 hp (575 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
- TD61-1179 output rotation same as engine for forward
RATIOS
| Range | 1st | 2nd | 3rd | 4th | 5th | 6th | Reverse | Overall |
|---|---|---|---|---|---|---|---|---|
| Ratio | 6.03 | 3.95 | 2.61 | 1.70 | 1.12 | 0.74 | 6.70 | 8.18 |
| Step | 1.53 | 1.51 | 1.54 | 1.52 | 1.51 | — | — | — |