The ZF EcoLife transmission is the next generation 6 speed transmission specifically designed for city buses. It features boosted operating economy, longer service life, and higher temperature resistance for operation with Euro V compatible engines. It also boasts an integral retarder, longer operational intervals between oil changes, higher torque capacity, and "Dynamic, topography-dependent drive program selection" among others.

Gear Ratios

1	2	3	4	5	6	R
3.36	1.91	1.42	1.00	0.72	0.62	4.24

1st generation variants — EcoLife (2006-)

• 6 AP 1000 B - Max Input Torque: 1000 newton metres (738 ft·lbf)
• 6 AP 1200 B - Max Input Torque: 1200 newton metres (885 ft·lbf)
• 6 AP 1400 B - Max Input Torque: 1400 newton metres (1,033 ft·lbf)
• 6 AP 1700 B - Max Input Torque: 1700 newton metres (1,254 ft·lbf)
• 6 AP 2000 B - Max Input Torque: 2000 newton metres (1,475 ft·lbf)