8511S OEM 11-Inch Wood Shoe Kit for Multiquip Mikasa MTX70HDR Rammer (Honda GXR120)The MTX70HDR is Multiquip's high altitude variant of the MTX70 platform paired with the Honda GXR120, a high output OHC engine purpose engineered for rammer applications and tuned for performance at elevation. Crews use the MTX70HDR on jobs the standard MTX70HD's GX100 can't sustain efficiently: mountain corridor utility builds, ski area infrastructure, mining camp construction, and high plateau pipeline backfill where thin air engine performance is