Sledgehammer
Huge hits, but only 20 uses. Hold right click 1 s then release: the slam knocks down every zombie around you (2 uses).
TIPSlam when the horde surrounds you.
Where to find it
Traders
9 scrap Brawler, Camp Guard · Meleein stock 45% of the timeBoss loot
Containers and finds (chance each time)
Supply crate3.1%
Distress drop crate3.1%
Duffel Bag (search)1.6%
An ally's bag (per zombie it kills)0.1%
Weapon mods
The Fabricator can put one of these on it. The 3D model shows them one after the other.

Electric mod
Electric Cable + 3 scrap50% chance: shocks 2 s, x2 if wet
Signature combo: Ground slam leaves a shock ring

Toxic mod
Poison Leaves + 3 scrap50% chance: poisons 5 s

Fire mod
Lighter + 3 scrap50% chance: sets on fire 4 s

Frost mod
Ice Pack + 3 scrap50% chance: frost, then freezes

Spiked mod
Box of Nails + 3 scrap+3 damage, 25% chance: stuns 1 s
WIKI

The Mutated
Baseball Bat
Golf Club
Katana
Frying Pan
Shovel
Traffic Sign
Skateboard
Electric Guitar