Heavy-duty Air Suspension
FIREMAAX® EX heavy-duty rear air suspension delivers the superb ride, stability, and handling required for fire and rescue vehicles. Combining a robust design with performance enhancing features, FIREMAAX EX provides a package of benefits previously unavailable in any one emergency vehicle air suspension.
|Model||FMX 242||FMX 272||FMX 312||FMX 482||FMX 542||FMX 622|
|Installed Weight1 (lbs.)||550||658||665||1,090||1,305||1320|
|Axle Travel2 (in.)||8||8||8||8||8||8|
|Ground Clearance3 (in.)||10.75||10.5||10.5||10.75||10.5||10.5|
|Ride Heights4 (in.)||8.5 to 15.5||8.5 to 12.5||8.5,10,13||8.5 to 15.5||8.5 to 12.5||8.5,10,13|
|Axle Spacing (in.)||N/A||N/A||N/A||52 to 72.5||54 to 72.5||54 to 72.5|
|Disk Brake Compatibility||Yes||Yes||No||Yes||Yes||No|
1. Installed weight includes complete suspension, torque rods, axle and frame brackets and all hardware. Published weight is based on a standard FIREMAAX EX suspension compatible with drum brakes using 10.0-inch ride height. Other configurations may vary.
2. Axle travel may be limited by vehicle manufacturer; axle stop settings and shock stroke may restrict suspension's articulation. Varying ride heights and configurations may restrict travel.
3. Ground clearance is based on a standard FIREMAAX EX suspension with 11R22.5 tire size.
4. For different ride height options, please contact Hendrickson (630-910-2800), your truck manufacturer or your dealer.