Snapping necks in Brisbane Australia (I've been there! WONDERFUL people!) 28-liter V12 Cummins 1710 with twin turbos, rated at 900 hp and able to spit out 4,000 lb-ft of torque.

https://www.autoevolution.com/news/filthy-is-a-one-of-a-kind-big-rig-rubber-shredder-with-more-power-than-should-be-legal-233193.html#

If you ever go there, see if the Bellowing Bull Bar and Grill is still there.