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DF0502D-285 | Bus Ordinary bridge

The DF0502D-285 is the flagship drive axle of the Dongfeng DANA D285 series, specifically developed for the high-end bus market targeting 5-6 meter vehicles.

It features a rated load capacity of 5,000 kg (the highest in the series), utilizing a reinforced welded axle housing with dimensions of 102×110 mm (the largest cross-section in the series), and an axle housing fatigue life exceeding 1.1 million cycles (2.5 times the national standard)..

Exclusively equipped with an air brake system (φ310×150/φ310×160 dual specifications, 17.5° flange), compatible with 6.0-17.5 rims and 215/75R17.5 wide-base tires. Integrating DANA’s high-power-density gear technology, the bevel gear lifespan reaches up to 1.35 million cycles, combining high reliability, low noise, and lightweight advantages, making it the flagship power solution for 5-6 meter buses.

DF0502D-285 Product Features

  • The axle housing features a lightweight, serialized design, facilitating vehicle layout and compatibility with multiple models.

  • Axle housing fatigue life: Averages over 1.1 million cycles at 2.5 times full load, far exceeding national standards.

  • The median fatigue life of the bevel gear gantry ranges from a minimum of 950,000 cycles to a maximum of 1.35 million cycles.

  • DANA’s patented high-power density gear and low-noise design technology reduces gear weight, improves gear strength, extends gear life, and reduces noise.

Technical Specifications

Platform:DF0502D-285
Rated Load (kg):5000
Axle Housing Type:Stamped and Welded
Axle Housing Cross-Section (mm):102×102
Rim Mounting Distance A (mm):1525 – 1688.5
Spring Distance B (mm):880 – 968
Maximum Torque (N·m):10000
Speed Ratio: 4.33-6.14
Brake Type: Pneumatic Brake
Brake Specifications:φ310×150、φ310×160、17.5″
Air Chamber Center Distance C (mm):442 – 458
Adapted Wheel Rim:6.0-17.5
Adapted Tire:215/75R17.5
Wheel Bolt Circumference D (mm):φ222.25
Wheel Bolts:6 – M20×1.5
Lead Time:15 – 30 Working Days
Payment Terms:T/T ,L/C

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Model

Rated Load (kg)

Axle Housing Section (mm)

Rim Mounting Distance A (mm)

Spring Distance B (mm)

Maximum Torque (N·m)

Speed Ratio Series

DF0502D-2855000102×1101525 – 1688.5880 – 968100004.33 – 6.14
DF0402D-2854000102×1021582.5 – 1673892 – 952100004.33 – 6.14
DF0302D-2853000102×1021533 – 1760830 – 1060100004.33 – 6.14
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Basic information of bus ordinary bridge

ModelDF0502D-285Axle Housing TypeStamped and welded
Brake TypePneumatic BrakeBrake Specificationφ310×150, φ310×160, 17.5″
Air Chamber Center Distance C (mm)442 – 458Adapted Wheel Rim6.0 – 17.5
Adapted Tire215/75R17.5Wheel Bolt Distribution Circle D (mm)φ222.25
Wheel Bolt6 – M20×1.5
——END——
DCEC EQB125-20 Automotive Engine DATASHEET

Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.

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