Improved ride. Less maintenance. TAK-4 IRS operates in a similar capacity to TAK-4 IFS, only IRS has the ability to drive or provide power to the wheels. Though there are upper and lower control arms and springs, TAK-4 IRS utilizes coil springs instead of torsion springs. IRS has been proven on Oshkosh Defense vehicles since 1996 and modified for integration into Pierce custom fire apparatus. TAK-4 IRS adds 1,000 lb per axle to the weight of the apparatus.
• Improved ride with reduced road input.
• Increased stability & comfort.
• Less wear & tear on equipment.
• Better traction.
• Ability to add TAK-4 T3 to further improve control & mobility.