Zf Ecolife 6ap1700b New! -
When troubleshooting or replacing parts, it is highly recommended to consult official ZF Aftermarket catalogs to ensure exact OEM parts and fluid specifications are used. The Future of Heavy-Duty Drivelines
The is a highly advanced, heavy-duty 6-speed automatic transmission designed specifically for modern urban buses and intercity coaches. Engineered by the global technology giant ZF Friedrichshafen AG, this transmission model stands as a benchmark for fuel efficiency, reliability, and robust performance in punishing stop-and-go public transit environments.
The ZF EcoLife 6AP1700B is part of ZF's second-generation EcoLife family, engineered for high-torque applications. Its nomenclature reveals its core capabilities: forward gears, A utomatic, P lanetary gearset, with a nominal input torque capacity of 1,700 Newton-meters (Nm) . Key Specifications:
The is a highly robust 6-speed automatic transmission designed specifically for heavy-duty commercial vehicles, city buses, and luxury intercity coaches. Engineered by global drivetrain leader ZF Friedrichshafen AG, this specific model is built to handle maximum input torques of up to 1,700 Nm and maximum gross vehicle weights up to 42 tonnes , making it a benchmark component for heavy transit operations. Comprehensive Technical Specifications zf ecolife 6ap1700b
Using the manufacturer-approved transmission fluid is non-negotiable. Modern EcoLife fluids are specially formulated to withstand the high shear forces inside the torque converter and retarder. Following ZF’s strict guidelines for oil and filter change intervals ensures the valve body and mechanical components remain free of debris. Common Signs of Wear
Stands for Automatik-Pkw / Automatgetriebe für Personenverkehr (Automatic transmission for passenger transport). 1700: Maximum input torque capacity is 1,700 Nm. B: Indicates the specific generation and design variant. Core Specifications & Performance Metrics
The core mechanics of the 6AP1700B revolve around a highly efficient six-speed planetary gearset managed by advanced electrohydraulic controls. Unlike automated manuals, its true automatic torque converter configuration guarantees powershifts without any tractive force interruption, maintaining consistent forward momentum while protecting the entire vehicle drivetrain from shock loads. Specification Component Technical Detail ZF EcoLife 6AP1700B Maximum Input Torque 1,700 Nm Base Weight (Dry, approx.) 376 kg (with retarder & oil cooler) Max Permissible Vehicle Weight Up to 42 tons (axle ratio dependent) Oil Capacity (Standard Sump) ~42 dm³ (42 liters) Total Mechanical Gear Spreading When troubleshooting or replacing parts, it is highly
The mechanical core consists of robust, helically-cut planetary gearsets. Helical gears offer a larger surface contact area than straight-cut spur gears. This design distributes high-torque loads more evenly and reduces operational gear whine, resulting in a quieter cabin environment for transit passengers. Benefits for Fleet Operators Fuel Efficiency and Carbon Reduction
Before diving into the specifications, it helps to decode exactly what "6AP1700B" means in ZF's product hierarchy: Number of forward gears.
Before we look at the tech, let's look at the torque. The "1700" in the name refers to the input torque rating—. To put that in perspective, this transmission can comfortably handle the brutal twist from a 13-liter diesel engine or a heavy-duty natural gas powertrain without breaking a sweat. The ZF EcoLife 6AP1700B is part of ZF's
: Kinetic energy captured during braking is converted into fluid heat, which is quickly dissipated through an integrated dual cooling system.
Every unit within this family comes standard with a high-performance primary retarder built directly into the transmission housing. By placing the retarder before the mechanical gear stages, it generates immense braking torque even at exceptionally low vehicle speeds. This system relieves the vehicle’s service brakes from primary stopping duty, reducing brake dust, minimizing lining wear, and lowering fleet maintenance costs. 2. Dual Cooling System
This intelligent control system continuously adjusts gearshift strategies based on the current topography (hills, flats) and vehicle load, ensuring the engine always runs in its most efficient range. Dual Cooling System:
Delivers high braking power even at low speeds, significantly reducing wear on service brakes and lowering lifecycle costs.
For those looking for replacements or maintenance, this unit is frequently listed by specialist suppliers like F&J Exports Limited and global marketplaces such as Truck1 . Typical spare parts associated with this model include: ZF Ecolife 6AP1700B Gearbox - F&J Exports Limited