ZF AxTrax 2 LF
ZF AxTrax 2 LF is an electric axle solution for low-floor passenger transport platforms. It combines mechanical axle architecture with electric drive, power electronics, cooling and software-dependent torque control. This makes high-voltage safety, thermal behavior and data-based diagnostics essential.
ZF AxTrax 2 LF should be evaluated as a complete system, not as an isolated part. The exact variant, lubricant class, control condition and vehicle mission profile all influence repair and parts decisions.
ATS recommends the following original ZF lubricant for this product:
Final compatibility depends on the ZF nameplate, exact variant and vehicle application.

Key advantages
Operational fit
Connects the product to the correct bus duty cycle and avoids generic component selection.
Fleet reliability
Correct variant identification and service planning reduce downtime and repeat repairs.
Service precision
Diagnostics, lubricant selection and parts planning must follow ZF type-plate data.
Technical overview
ZF AxTrax 2 LF is an electric axle solution for low-floor passenger transport platforms. It combines mechanical axle architecture with electric drive, power electronics, cooling and software-dependent torque control. This makes high-voltage safety, thermal behavior and data-based diagnostics essential.
Modular architecture
- High power density, climbing ability, energy efficiency and digital driveline health
- ZF/OEM e-axle lubricant and cooling specification; verify exact unit
- VIN, OEM context and ZF type plate remain mandatory for final validation.
ZF AxTrax 2 LF technical data
| Parameter | Value / Notes |
|---|---|
| Product type | Next-generation low-floor electric portal axle |
| Vehicle segment | City and intercity electric buses up to around 30 tonnes |
| Power reference | Up to 360 kW continuous power where specified by ZF references |
| Torque reference | Up to 36,800 Nm peak output torque where specified by ZF references |
| System focus | High power density, climbing ability, energy efficiency and digital driveline health |
| Lubricant reference | ZF/OEM e-axle lubricant and cooling specification; verify exact unit |
| Safety note | High-voltage safety and thermal diagnostics are mandatory |
Lubricant note: ZF/OEM e-axle lubricant and cooling specification; verify exact unit
Model matrix
| Model | Application | Class interpretation | Notes |
|---|---|---|---|
| AxTrax 2 LF | Core / Strong / Limited | Variant-specific | Verify exact build by ZF type plate |
| AxTrax 2 LF low-floor electric axle variants | Core / Strong / Limited | Variant-specific | Verify exact build by ZF type plate |
Model naming logic
Example code: AxTrax 2 LF
Example code: AxTrax 2 LF
AxTrax: electric axle platform.2: generation marker.LF: low-floor integration concept.
Operational use: final fitment must be validated against exact OEM specification, ZF type plate and production context.
Applications
| Application | Fit | Reason | Typical examples |
|---|---|---|---|
| Urban | Core | Low-floor electric operation with high passenger-flow requirements. | Electric city buses |
| Suburban | Strong | Relevant for intercity e-bus platforms requiring low-floor packaging. | Regional electric buses |
| Coach | Limited | Not a typical high-floor coach driveline. | Special platforms only |
Application direction should always be checked against exact vehicle mission profile before parts planning.
Service, diagnostics and spare parts relevance
ZF AxTrax 2 LF should be evaluated as a complete system, not as an isolated part. The exact variant, lubricant class, control condition and vehicle mission profile all influence repair and parts decisions.
Professional diagnosis helps separate real component failure from configuration, cooling, actuator, sensor, lubricant or operating-profile issues. This reduces unnecessary replacement and helps protect high-value driveline components.
What to prepare before contacting a driveline specialist
ZF AxTrax 2 LF service decisions are most accurate when the product is assessed together with surrounding systems and real operating data.
For faster assessment, prepare VIN, ZF type-plate data, fault codes, operating symptoms, recent service history and route profile.
Common service areas
| Area | Typical requirement |
|---|---|
| Diagnostics | Fault-code reading, operating-data analysis, mechanical and electronic interpretation |
| Maintenance | Lubricant, seals, filters/cooling where applicable, wheel-end or actuator checks |
| Repair | Product-specific mechanical/electronic repair procedure |
| Parts | Correct ZF part-number identification by VIN and type plate |
Exact fitment depends on vehicle manufacturer, production year, driveline configuration and ZF type plate. Lubricant selection must follow the latest ZF List of Lubricants and OEM maintenance documentation.
Related pages and service navigation
For faster technical orientation, see city transport, product range and contacts.