rotary-only wrecker

https://getmazdarx7partsreport.greyhavendaily.com/posts/where-to-find-genuine-mazda-rx-7-parts-for-your-restoration

A rotary-only wrecker is a heavy tow truck that uses a rotating boom to lift vehicles by their axles or frames, without the extra under-reach apparatus. It's common in smaller wreckers for cars and light trucks, where its simplicity and speed are valued over the versatility of a more complex rig.