(Increases up to 12.6 including torque converter multiplication) Integration Variants
: Extensively used in the Alexander Dennis Enviro500 MMC series across Hong Kong and Canada [5.10, 5.12, 5.14].
The transmission operates via , an intelligent, load-dependent shift software. Using internal sensors, the software continuously calculates the current driving resistance. It accounts for: Vehicle weight and passenger payload.
The typical oil quantities for the 6AP1700B are: zf ecolife 6ap1700b
: Regional transport coaches requiring high cruising efficiency and robust hill-climbing capabilities.
The "1700B" designation signifies its robust performance profile, capable of managing significant loads in varied topographies.
The 6AP1700B can be reconditioned or repaired through ZF-authorized service centers and specialized aftermarket suppliers. Reconditioning is a common practice for extending the lifespan of the transmission in heavy-duty applications. Genuine ZF spare parts are also available through the ZF aftermarket network. (Increases up to 12
The is a specialized six-speed automatic transmission designed primarily for heavy-duty city and intercity bus applications. Engineered by ZF Friedrichshafen AG , this model serves as a mid-to-high range variant within the EcoLife series, bridging the gap between standard urban transit and demanding long-distance coach requirements. Core Technical Specifications
is more than just a transmission; it is a vital component in modern mobility, enabling cleaner, quieter, and more efficient public transport. By balancing high torque capacity with exceptional fuel savings and passenger comfort, it remains a preferred choice for city bus manufacturers and transit authorities worldwide.
The physical hardware is coordinated by ZF's TopoDyn Life control software. Rather than relying on rigid, pre-programmed shift patterns, the software dynamically evaluates operational variables in real-time. It accounts for: Vehicle weight and passenger payload
While the 6AP 1700B is a staple in existing fleets, ZF has introduced the
This is achieved via a high-efficiency oil filter and a large sump capacity that holds contamination at bay. For a bus doing 60,000 km/year, that means you service the transmission once. Perhaps twice. Over a 12-year life cycle, this reduces maintenance costs by nearly 40% compared to 4-speed automatics.
