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DF1301D-452 | Bus Standard Axle

The Dongfeng DANA Coach Axle DF1301D-452 is the flagship product of the D452 series, specially designed for high-end 10-13.7 meter highway coaches, with a rated load of 13,000 kg (the highest in the series).

Featuring a 135×150 mm high-strength stamped and welded axle housing, it delivers a maximum torque of 40,000 N·m. Incorporating the global technological expertise of DANA, it holds 15 patents. The assembly achieves a weight reduction of 26 kg compared to competitors, reduces gear noise by 4-6 decibels, and improves transmission efficiency by 2-3%.

Standard equipment includes a heavy-duty air brake system (φ410×220 brake + 22.5″ rim), with wheelbase adjustable between 1,842-1,898 mm, compatible with 8.25×22.5 rims and 275/70R22.5 wide-base tires. Warranty coverage extends to 3 years or 300,000 km, with maintenance intervals exceeding 100,000 km.

D452 Product Features

  • Safe, reliable, efficient, comfortable, and with high maintenance intervals;

  • Warranty mileage increased by 50% to 300,000 kilometers over three years;

  • 26 kg lighter than competing products, patented lubrication system improves transmission efficiency by 2-3%;

  • Noise levels are 4-6 decibels lower than competing products under the same test conditions;

  • Maintenance intervals increased by four times to 100,000 kilometers;

  • Safer braking and more reliable load-bearing.

Technical Specifications

Platform:DF1301D-452
Rated Load (kg):13000
Axle Housing Type:Punching and welding
Axle Housing Cross Section (mm):160 × 176
Rim Mounting Distance A (mm):1842-1898
Spring Distance B (mm):970-1030
Maximum Torque (N·m):40000
Ratio Series:4.56-6.14
Brake Type:Air Brake
Brake Specifications:φ410×220、22.5”
Cylinder Center Distance C (mm):450-540
Applicable Rim:8.25×22.5
Applicable Tire:275/70R22.5
Wheel Bolt Circle D (mm):φ335
Wheel Bolts:10 – M22×1.5
Optional Configurations:Maintenance – free Hub Unit
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

DF1301D-45213000135×1501842 – 1898970 – 1030400004.56 – 6.14
DF1101D-45211000135×1501838 – 18921030400004.56 – 6.14
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Basic information of truck ordinary bridge

Axle Housing TypeStamped and WeldedBrake TypePneumatic Brake
Brake Specificationφ410×220、 22.5″Air Chamber Center Distance C (mm)450 – 540
Adapted Rim8.25×22.5Adapted Tire275/70R22.5
Wheel Bolt Distribution Circle D (mm)φ335Wheel Bolt10 – M22×1.5
Optional ConfigurationMaintenance – free / Low – maintenance Hub Unit
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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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Spare Parts Sales-Miss. Nora Cao

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