Variable Section Leaf Spring Air Suspension (Regular Mounted) is a composite suspension suitable for medium and heavy-duty commercial vehicles and trailers. It adopts few-leaf variable section leaf springs as guide arms and air springs as elastic components. With a regular mounting layout where the guide arms are installed above the axles, it integrates high load capacity, excellent riding comfort, light weight and high reliability, and is widely applied in long-distance logistics, hazardous chemical transportation, car carrier trailers and other scenarios.
Basic parameters
| suspension model | basic dimensions (mm) | single axle
rated load (t) |
size of axle
tube (mm) |
FH (mm) |
gas injection
pressuer (MP) |
frame
width (mm) |
axle spread (mm) | total weight (kg) |
|
QF-GF111 |
|
11 |
0127/ □150 | 370~550 |
0.7Max |
850一1200 | 1270 ~1400 |
=220 |
|
QF-GF131 |
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13 |
Q127 /□150 |
370~550 |
0;7Max |
850~1200 |
1300 ~1400 |
=230 |
Suitable for 2-axle, 3-axle, and multi-axle semi-trailers or full trailers with an FH value of 370mm~550mm.








