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NEEDS

Rigid Drive Axles (RDA or BRA)

Specifically Developed for Diverse Bus Needs.

BRIST Rear Drive Axles are divided into three key sub-categories:

  1. Z-Drive Axle | a unique configuration designed specifically for buses with a transversal engine layout
  2. T-Drive Axle | designed to accommodate buses with both rear and front engine configurations.
  3. Inverted Portal Axle | specifically engineered for mid-size low-floor buses, delivering significant lighweight advantage

Each type has demonstrated exceptional performance and reliability through a proven track record with reputable OEMs globally. Esteemed manufacturers such as Alexander Dennis, BMC, Anadolu Isuzu, SamAuto, and many others trust BRIST Rear Drive Axles for their quality and dependability.

Z-Drive Axles

Unique Configuration for Optimized Seat Layout

The BRIST Z-Drive Axle features a unique configuration designed specifically for buses with a transversal engine layout. This innovation offers several key benefits:

  1. Optimized Seat Configuration: By accommodating the unique design, the Z-Drive allows for more efficient seating layouts within the bus.
  2. Reduced Rear Overhang: The shortened rear overhang optimizes the weight distribution of the bus, enhancing overall performance and handling.
  3. Integrated Angle Drive Unit: Supplied with its Angle Drive Unit at the same input flange angle of 35°, the design ensures seamless integration and efficiency.
Product NameLoad CapacityGear RatioDiff OffsetAxle WeightWheel Size
RDA 65-175/A356,500 kg4.45:173 or 192 mm370 kg17.5″
RDA 105-195/A3510,500 kg5.5:1174 mm556 kg19.5″

* excluding oil and loose items being out of basic scope of supply, which can vary upon customer specifications.

T-Drive Axles

Equipped with EV-dedicated Differential Carrier

The BRIST RDA T-Drive Axles are versatile and designed to accommodate buses with both rear and front engine configurations. Key features are as follows:

  1. EV-Dedicated Differential Carrier: Offering higher regeneration torque, optimized gear mesh and higher drive torque, while securing improved product life with stronger gears and bigger bearings.
  2. Optional Fully Dressed Configuration: Equipped with suspension kit; including suspension arms, air springs and dampers.

This adaptability and optional pre-assembled configuration make the T-Drive Axles a practical solution for various bus designs and operational needs.

Product NameLoad CapacityGear RatioDiff OffsetAxle WeightWheel Size
RDA 65-175/A906,500 kg5.13:173 or 192 mm375 kg17.5"
RDA 105-195/A9010,500 kg5.5:1none or 174 mm561 kg19.5″

* excluding oil and loose items being out of basic scope of supply, which can vary upon customer specifications.

Inverted Portal Axle (BRA)

Fully Optimized Design for Low-Floor Midibus Needs

The BRIST Inverted Portal Axle (BRA) is specifically engineered for mid-size low-floor (LF) buses, delivering exceptional functionality and design benefits:

  1. Compact and Lightweight: A smaller height profile and reduced system weight provide efficiency without compromising performance.
  2. Maximum Corridor Width: Optimized design allows for increased passenger space and accessibility.
  3. Higher Ground Clearance: Achieved with radial brakes, ensuring smoother operations on diverse terrains.
Product NameLoad CapacityOutput Torque MaxGear RatioInput AngleAxle WeightWheel Size
BRA 104-195/A7510,400 kg35,000 Nm4.86:175° or 80°602 kg19.5"

* excluding oil and loose items being out of basic scope of supply, which can vary upon customer specifications.