ZF EcoLife
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Search ZF EcoLife on Amazon.
The ZF EcoLife transmission is a planetary transmission for medium-capacity applications with rapid speed variation, such as city buses, motor cranes, tanks and diesel commuter rail, designed by ZF Friedrichshafen. It features boosted operating economy, longer service life, and higher temperature resistance for operation with Euro 3-6 compatible engines, compared to ZF Ecomat. It also boasts an integral retarder, longer operational intervals between oil changes, higher torque capacity, and "Dynamic, topography-dependent drive program selection" among others.[1]
History[edit]
The ZF Ecolife has been in manufacturing since 2007, parallel to the ZF Ecomat until 2016.
Classification[edit]
The 2 digits after the AP designation indicate how much torque the open channel can withstand (unit is x100 Nm, for example, 6AP14__ = upper limit of torque of 1400Nm) The 3rd digit after the AP designation indicates the generation, 0 for first generation and 2 for the second generation. The last digit denotes the mounting position, and can be 0 or 1.
2nd generation[edit]
ZF developed a new generation of EcoLife as a response to increase of engine power density and increasing vehicle speeds.
Named the EcoLife 2, ZF claims fuel savings of 3% over the 1st generation. Weight savings of approximately 20 kg have been achieved. Additionally, it supports engine start-stop systems.[2]
The ZF EcoLife 2 has different ratings between 1000 N⋅m (6AP1020B) and 3000 N⋅m (7AP3020S). The 6th gear's ratio has changed from 0.615 to 0.59 (in on-highway units).
Gear ratios[edit]
ZF EcoLife 1
| 1 | 2 | 3 | 4 | 5 | 6 | R |
|---|---|---|---|---|---|---|
| 3.364 | 1.909 | 1.421 | 1.000 | 0.720 | 0.615 | 4.235 |
ZF EcoLife 2
| 1 | 2 | 3 | 4 | 5 | 6 | R |
|---|---|---|---|---|---|---|
| 3.364 | 1.909 | 1.421 | 1.000 | 0.720 | 0.590 | 3.770 |
ZF EcoLife Off-Road
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | R |
|---|---|---|---|---|---|---|---|
| 5.598 | 3.364 | 2.013 | 1.427 | 1.000 | 0.667 | 0.557 | 3.364 |
1st generation variants — EcoLife (2008-2019)[edit]
- 6AP1000B/C - Max Input Torque: 1,000 newton metres (738 lbf⋅ft)
- 6AP1200B/C - Max Input Torque: 1,200 newton metres (885 lbf⋅ft)
- 6AP1400B/C - Max Input Torque: 1,400 newton metres (1,033 lbf⋅ft)
- 6AP1600BS - Max Input Torque: 1,600 newton metres (1,180 lbf⋅ft)
- 6AP1700B/C - Max Input Torque: 1,700 newton metres (1,254 lbf⋅ft)
- 6AP1900 SP - Max Input Torque: 1,900 newton metres (1,401 lbf⋅ft)
- 6AP2000B/C - Max Input Torque: 2,000 newton metres (1,475 lbf⋅ft)
- 6AP2100B/C - Max Input Torque: 2,100 newton metres (1,549 lbf⋅ft)
- 6AP2300B - Max Input Torque: 2,300 newton metres (1,696 lbf⋅ft)
- 7AP2600 - Max Input Torque: 2,600 newton metres (1,918 lbf⋅ft)
2nd generation variants — EcoLife 2 (2019-)[edit]
- 6AP1020B - Max Input Torque: 1,000 newton metres (738 lbf⋅ft)
- 6AP1220B - Max Input Torque: 1,200 newton metres (885 lbf⋅ft)
- 6AP1420B - Max Input Torque: 1,400 newton metres (1,033 lbf⋅ft)
- 6AP1620B/S - Max Input Torque: 1,600 newton metres (1,180 lbf⋅ft)
- 6AP1720B - Max Input Torque: 1,700 newton metres (1,254 lbf⋅ft)
- 6AP2020B - Max Input Torque: 2,000 newton metres (1,475 lbf⋅ft)
- 6AP2120B - Max Input Torque: 2,100 newton metres (1,549 lbf⋅ft)
- 6AP2320B/S - Max Input Torque: 2,300 newton metres (1,696 lbf⋅ft)
- 6AP2520B - Max Input Torque: 2,500 newton metres (1,844 lbf⋅ft)
- 6AP2820B - Max Input Torque: 2,800 newton metres (2,065 lbf⋅ft)
- 7AP3020S - Max Input Torque: 3,000 newton metres (2,213 lbf⋅ft)
References[edit]
- ↑ ZF EcoLife 2 Page
- ↑ "Starting in mid-2020, the first ZF Ecolife 2 made its appearance". Powertrain International. 28 February 2021. Retrieved 22 July 2024.
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