The wolverine is, like most mustelids, remarkably strong for its size. It has been known to kill prey as large as a moose!
Seriously-- a frakking moose! let me point out the following:
The adult wolverine is about the size of a medium dog, with a length usually ranging from 65-87 cm (25-34 inches), a tail of 17-26 cm (7-10 inches), and weight of 10-30 kg (22-66 lb). Males are as much as 30 percent larger than the females.
This is like you being able to take down an elephant! seriously!