About this product 19/70
RE 79022-01-B/04.2020, General Operating Instructions HYDROTRAC GFT 8000 series 40, Bosch Rexroth AG
5 About this product
5.1 Performance description
For the performance-related data of the HYDROTRAC GFT 8000 planetary
gearbox, please refer to appendix D “Technical data / Drawings” of the material
number-specific operating instructions.
5.2 Product description
The HYDROTRAC GFT 8000 hydrostatic drive is a planetary gearbox.
The following product description includes different models. For details of your
planetary gearbox, refer to the chapter “Product description” as well as the
chapter “Scope of supply” and the dimensioned drawing provided in appendix D
“Technical data / Drawings” of the material number-specific operating instructions.
This is where you find details on:
• Number of planetary stages
• Transmission ratio
• Motor type and design
• Integrated static multiple-disk parking brake
• Mounting parts
• Connections
• Special equipment
• Lubrication, etc.
The entire planetary gearbox, which is mounted in rolling bearings, is equipped
with a splash oil lubrication. The externally toothed planet gears are case-
hardened.
A special output seal ensures optimum protection against dust and dirt of the
output bearing.
Drive and output have opposite direction of rotation.
The planetary gearbox is intended exclusively for use in the technical environment
approved by Rexroth for the application referred to in the material number-specific
instructions.
5.2.1 Application conditions
The planetary gearboxes are designed for use in environmental temperatures
between -25°C and + 40°C. Environmental factors such as salt water, salt air,
sand, dust, pressure, severe shocks, extreme shock loads and environmental
temperatures, aggressive media, etc. affect the function. Such influences must be
pre-announced in order for a secure gearbox design.
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