Eco air drum brake axle

The ECO kingpin drum axle is one of the specialized products of RST Axles, designed and manufactured for heavy-duty trailers and trucks. With a drum brake system of 420 mm diameter and a load capacity of 9,000 kilograms, this axle ensures reliable and safe performance under demanding working conditions. The ECO design of this product not only provides high strength and durability but also reduces maintenance costs and improves the overall efficiency of heavy vehicles.

In terms of technical specifications, this axle is available under product codes 81500520001 and 81500520002. Its BM distance is 2040 and 2095 mm, and the kingpin distance (SP) is 1300 mm. It is compatible with a 10-bolt wheel pattern (M22×1.5). The recommended tire size for this axle is 385/65 R 22.5, which is one of the most commonly used tires in the heavy transport industry.

محور کاسه ای شاهنگی eco با کدفنی 201

Axle Technical Data Table

Product code Axle Load Brake system BM FM SP OH/K Tyres Recommended
81500520001 9000kg Drum Brake Ø420 1260 1300 2040 280/335
10Bolts M22 x 1.5		 385/65R 22.5
81500520002 2095

Suspension System Specifications

E C F D G Empty without air X(mm) Loaded without air X(mm) Air Spring Bracket(mm) ST FH
205 90 35 85 140 240 225 - 205 340
270 255 50 370
300 285 100 400
205 90 67 85 140 330 315 - 290 430
355 340 100 455
390 375 150 495

Axle Technical Data Table

Product code
81500520001
81500520002
Axle Load
9000kg
-
Brake system
Drum Brake Ø420
-
BM
1260
-
FM
1300
-
SP
2040
2095
OH/K
280/335 10 Bolts M22 x 1.5
-
Tyres Recommended
385/65 R 22.5
-

Suspension System Specifications

E
205
205
205
205
205
205
C
90
90
90
90
90
90
F
35
35
35
67
67
67
D
85
85
85
85
85
85
G
140
140
140
140
140
140
Empty without air X
240
270
300
330
355
390
Loaded without air X
225
255
285
315
340
375
Air Spring Bracket
-
50
100
-
100
150
ST
205
205
205
290
290
290
FH
340
390
400
430
455
495
محور کاسه ای شاهنگی ECO

The suspension system of the ECO kingpin drum axle is designed to maintain vehicle stability and balance in both unloaded and fully loaded conditions. Standard values for the air spring bracket, as well as ST and FH dimensions, enable uniform force distribution and prevent excessive stress on chassis components.

Key advantages of this product include the high durability of the drum brake system, reliable performance under harsh road conditions, reduced maintenance and repair costs, and strong compatibility with various transportation needs. The ECO kingpin drum axle is a suitable choice for transportation companies and trailer manufacturers seeking a balance of safety, efficiency, and cost-effectiveness.