Spring tandem front suspension (air-assisted)
29200 / 32000 / 36000 / 40000 lbs. (13200 / 14500 / 16320 / 18140 kg)
I-beam steer axle
Axle load capacity
14600 / 16000 / 18000 / 20000 lbs. (6600 / 7250 / 8160 / 9070 kg)
60” to 145” (1524 mm to 3683 mm) (Note 1 & 2)
(16.5 X 6 / 16.5 X 7) S-Cam air, Auto slack adjuster(ABS)
Hub pilot, Spoke
Wheel type (rims)
(8 ¼”, 9”, 12 ¼”, 13”) Steel or aluminum
11R22.5 / 315/80R22.5 / 385/65R22.5 / 425/65R22.5 / 445/65R22.5
Mechanical, hydraulically assisted
Retains same radius as original equipment
(Suspension, axle, wheels and tires) Approx. 2650 lbs. - 1200 kg (Note 3)
1. Depending on make and model of vehicle
2. Varies depending on chassis make/model and ATD / DPF option / location
3. Varies depending on front axle spacing
Modifying heavy duty trucks has never been easier or flexible.
Simard Suspensions offers all-wheel drive conversions for heavy-duty trucks.
Our custom-engineered AWD conversions can be carried out on any medium and heavy-duty chassis.
As a certified installer with all North American axle and transfer case suppliers, we work with the components of your choice.View all types of modifications
Types of applications
Our AMSAR air ride option for spring tandem front suspension on heavy-duty trucks is suitable for many applications, including:
Get more information about AMSAR front suspension
Simard Suspensions’ AMSAR air ride option for spring tandem front suspension on heavy-duty trucks offers increased driver comfort.