Modul Drum Brake Axle Type B

The Modul Drum Brake Axle Type B (ET120) is one of the durable and practical products in the field of suspension and load transfer systems for heavy-duty vehicles. It is manufactured under product codes 81500120008 and 81500120011 and has an axle load capacity of 9,000 kilograms.

Equipped with a Ø420 drum brake system, it ensures high safety and reliable braking performance under heavy load conditions. The GM distance is 635 and 685 mm, along with a BM of 1240 mm, an FM of 1300 mm, and a kingpin length (SP) of 2090 mm, providing suitable installation conditions for a wide range of heavy vehicles.

This axle is designed for 10-bolt wheels with specifications 280/335 and M22×1.5 bolts, and the recommended tire size is 385/65 R 22.5, ensuring high durability and efficient driving performance.

محور کاسه ای فنری چهار گوش ساج بیرون کد فنی 259

Axle Technical Data Table

Product code Axle Load Brake system GM BM FM SP OH/K Tyres Recommended
81500120008 9000kg Drum Brake Ø420 635 1240 1300 2040 280/335
10Bolts M22 x 1.5		 385/65R 22.5
81500120011 685 2090

Suspension System Specifications

E C F D G Empty without air X(mm) Loaded without air X(mm) Air Spring Bracket(mm) ST FH
255 130 35 83 87 285 285 - 268 365
315 300 50 395

Axle Technical Data Table

Product code
81500120008
81500120011
Axle Load
9000kg
-
Brake system
Drum Brake Ø420
-
GM
635
685
BM
1240
-
FM
1300
-
SP
2040
2090
OH/K
280/335 10 Bolts M22 x 1.5
-
Tyres Recommended
385/65 R 22.5
-

Suspension System Specifications

E
255
255
C
130
130
F
35
35
D
83
83
G
87
87
Empty without air X
285
315
Loaded without air X
285
300
Air Spring Bracket
-
50
ST
268
268
FH
365
395
محور کاسه‌ای فنری ساج بیرون چهار گوش 259

In the suspension system section, the Modul Drum Brake Axle Type B is designed with an E distance of 285 mm and reinforcement component thickness ranging from 35 to 87 mm. The precise positioning of the air spring bracket, along with calculations for both unloaded and fully loaded (air-sprung) conditions, improves stability, simplifies installation, and reduces component wear.

These combined features make the axle a reliable option for transportation fleets that require not only heavy load capacity but also durability, safety, and consistent performance over time.