Horstman Group’s InArm suspension system chosen for M10 Booker vehicle

Horstman Group's InArm suspension system chosen for M10 Booker vehicle

The Horstman Group, a subsidiary of the RENK Group, has announced a significant achievement with their InArm external suspension system being selected by General Dynamics Land Systems for the second phase of low rate initial production (LRIP 2) on the M10 Booker vehicle. This selection underscores the advanced capabilities and innovative design of the Horstman InArm system.


The InArm system is renowned for its superior mobility and ride quality, offering a stable platform for military vehicles. It stands out as a true externally mounted suspension system, which notably eliminates the need for torsion bars. This design not only frees up considerable space inside the hull of the vehicle but also enhances survivability by reducing internal mechanical components.



“This program award represents another significant milestone for Horstman Inc. Our Michigan-based facility has successfully met the production delivery demands of LRIP 1, expanding our global delivery footprint to include US production of InArm®products. This InArm production capability positions Horstman to better support our customers in their pursuit of US Army programs,” stated Ian Pain FIMechE, CEO of the Horstman Group.



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