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Zonxin Semi-trailer Air Suspension User Manual

Time：2025-10-02 Edit：Admin Views：308

1.1 Basic Structure of Air Suspension

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GAS13T Semi-trailer Lift Air Suspension System Parts List (Single Axle):

No.	Part Name	Qty/Axle	No.	Part Name	Qty/Axle
1	Guide Leaf Spring Bracket	2	18	Lift Air Spring	2
2	Shock Absorber	2	19	M24×2 Self-locking Nut	4
3	Φ30×Φ55 Flat Washer	8	20	M24×2×380 U-Bolt	4
4	M24×2×260 Hex Bolt	2	21	Round Pressure Plate	2
5	M30×2自锁螺母	2	22	3/4"-16 Nut	2
6	M30×2 Self-locking Nut	4	23	3/4" Spring Washer	2
7	3/8"-13×25 Bolt	4	24	Upper Bracket of Load Air Spring	2
8	3/8" Spring Washer	4	25	Load Air Spring	2
9	Limit Block	2	26	Base of Load Air Spring	2
10	Upper Bracket of Lift Air Spring	2	27	1/2"-13 Nut	4
11	Wear-resistant Bushing	4	28	Guide Leaf Spring	2
12	Wear-resistant Steel Sleeve	4	29	Φ16 Spring Washer	4
13	Φ30×Φ65 Flat Washer	2	30	M16×2×55 Bolt	4
14	M24×2×245 Hex Bolt	2	31	Leaf Spring Seat	2
15	Lower Bracket of Lift Air Spring	2	32	Axle Clamp Plate	2
16	1/2" Spring Washer	6	33	M24×2 Nut	8
17	1/2"-13 Nut	6	34	M24×2×170 Bolt	2

1.2 Selection of Air Suspension

1.2.1 Model Selection of 13T Air Suspension

图片2_副本.jpg

Name	Model	Permissible Load at 105 km/h (kg)	Installation Height H (mm)	Wheel Track TR (mm)	Mounting Center Distance L1 (mm)	Applicable Axle	Air Chamber Center Distance (mm)
13T Air Suspension	ZXAS13GUS	13T	200-340	≥1820	900	150■/127●/120■	≥232
	ZXAS13GOZ	13T	360-480	≥1820	900	150■/127●/120■	≥232
	ZXAS13GOS	13T	500-600	≥1820	900	150■/127●/120■	≥232

Remarks:

1.Forward-mounted drum brake axle can be equipped with dual-side lift, with lifting height 120–140 mm.

2.Reverse-mounted drum brake axle and forward-mounted disc brake axle can be equipped with central lifting device, with lifting height 100–120 mm.

3.Lifting method can be equipped with manual control valve or electric control valve.

4.Optional rotary slide valve available to control overall vehicle lifting/lowering.

5.Optional disc brake axle available.

1.2.2 Model Selection of 12T Air Suspension

图片3_副本.jpg

Name	Model	Permissible Load at 105 km/h (kg)	Installation Height H (mm)	Wheel Track TR (mm)	Mounting Center Distance L1 (mm)	Applicable Axle	Air Chamber Center Distance (mm)
12T Air Suspension	ZXAS13GUS	12T	200-340	≥1820	900	150■/127●/120■	≥232
	ZXAS13GOZ	12T	360-480	≥1820	900	150■/127●/120■	≥232
	ZXAS13GOS	12T	500-600	≥1820	900	150■/127●/120■	≥232

Remarks:

1.Forward-mounted drum brake axle can be equipped with dual-side lift, with lifting height 120–140 mm.

2.Reverse-mounted drum brake axle and forward-mounted disc brake axle can be equipped with central lifting device, with lifting height 100–120 mm.

3.Lifting method can be equipped with manual control valve or electric control valve.

4.Optional rotary slide valve available to control overall vehicle lifting/lowering.

5.Optional disc brake axle available.

1.2.3 Model Selection of 10T Air Suspension

图片4_副本.jpg

Name	Model	Permissible Load at 105 km/h (kg)	Installation Height H (mm)	Wheel Track TR (mm)	Mounting Center Distance L1 (mm)	Applicable Axle	Air Chamber Center Distance (mm)
10T Air Suspension	ZXAS13GUS	10T	200-340	≥1820	900	150■/127●/120■	≥232
	ZXAS13GOZ	10T	360-480	≥1820	900	150■/127●/120■	≥232
	ZXAS13GOS	10T	500-600	≥1820	900	150■/127●/120■	≥232

Remarks:

1.Forward-mounted drum brake axle can be equipped with dual-side lift, with lifting height 120–140 mm.

2.Reverse-mounted drum brake axle and forward-mounted disc brake axle can be equipped with central lifting device, with lifting height 100–120 mm.

3.Lifting method can be equipped with manual control valve or electric control valve.

4.Optional rotary slide valve available to control overall vehicle lifting/lowering.

5.Optional disc brake axle available.

Liaison：Eva

Mobile：+86 136 8860 8190

Phone：+86 0537 7338178

Email：eva@zonxin.com

Address：Liangshan County,Shandong Province,China