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DF0402D-285 | Bus Ordinary bridge

DF0402D-285 is a mid-range drive axle in Dongfeng Dana’s D285 series. It incorporates Dana’s high-power density technology and is designed specifically for the 5-6 meter coach market.

Rated load capacity of 4,000 kg, featuring a lightweight stamped and welded axle housing (cross-section 102×102 mm), with an axle housing fatigue life exceeding 1.1 million cycles (2.5 times the national standard); bevel gear life of 950,000 to 1,350,000 cycles.

It supports dual braking systems (φ320×100 hydraulic brakes or φ310×160 air brakes, 16° flange), compatible with 7.50-R17.5 tires and 6.75×17.5 rims, with a wheelbase adjustable between 1,582.5 and 1,673 mm. Lightweight design combined with low-noise technology makes it an optimal solution for mid-to-high-end buses.

DF0402D-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:DF0402D-285
Rated load (kg):4000
Axle housing:Stamped and Welded
Axle housing cross-section (mm):102×102
Rim mounting distance A (mm):1582.5 – 1673
Spring distance B (mm):892 – 952
Maximum torque (N·m):10000
Speed ratio: 4.33-6.14
Brake type: Oil brake / Pneumatic Brake
Brake specifications:φ320×100/ φ310×160, 16″
Air Chamber Center Distance C (mm):418 – 458
Adapted Wheel Rim:6.75×17.5
Adapted Tire:7.50-R17.5
Wheel Bolt Circumference D (mm):φ203.2
Wheel Bolts:5-M18×1.5
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

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

ModelDF0402D-285Axle Housing TypeStamped and welded
Brake TypeOil brake / Pneumatic BrakeBrake Specificationφ320×100/ φ310×160, 16″
Air Chamber Center Distance C (mm)418 – 458Adapted Wheel Rim6.75×17.5
Adapted Tire7.50 – R17.5Wheel Bolt Distribution Circle D (mm)φ203.2
Wheel Bolt5 – M18×1.5
——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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