General information
*Type: Six-speed automatic transmission with torque converter
* Manufacturer: ZF Friedrichshafen AG
* Model: Ecolife 6 AP 1200B
*Part number: 4181020579
Application
The ZF Ecolife 6 AP 1200B gearbox is used in various buses and medium and heavy commercial vehicles, such as:
* City buses
* School buses
* Tourist buses
* Trucks
* Special equipment
Specifications
* Number of gears: 6
*Maximum input torque: 1200 Nm
* Gear ratios:
* 1st gear: 4.00:1
* 2nd gear: 2.31:1
* 3rd gear: 1.50:1
* 4th gear: 1.00:1
* 5th gear: 0.82:1
* 6th gear: 0.69:1
*Hydraulic torque converter:
*Type: Single stage with interlock
* Transformation ratio: 3.5:1
Peculiarities
* Electronic control for optimal gear changes
*Hill Holder function to prevent rollback on inclines
* Torque converter lock in all gears
* Low operating costs thanks to long service intervals
* Compact and lightweight design
Advantages
* Smooth gear changes and high fuel economy
*Extended service life due to robust design
* Adaptable to different driving conditions
* Improved handling and safety
*Environmental Compliance