Alternatives to the Carl Martin Heavy Drive

MXR Fullbore Metal

Shared character: hard_rock, noise, lead

Carl Martin Crush Zone

Shared character: various_amps, clean_amp, hard_rock

DigiTech Metal Master

similar tone character

NuX Metal Core

similar tone character

Digitech DOD Boneshaker

similar tone character

Caline CP-15

similar tone character

Donner Extreme Driver

similar tone character

Demon FX Gladiator

similar tone character

Mad Professor Stone Grey Distortion

similar tone character

Crazy Tube Circuits Motherload

Shared character: clean_amp, hard_rock, combination

Friedman BE-OD Deluxe

Shared character: hard_rock, noise, thickness

Death By Audio Supersonic Fu

similar tone character

Empress Heavy Menace

similar tone character

MXR ZW-44 Berzerker Overdrive

Shared character: hard_rock, full, lead

Suhr Riot

Shared character: clean_amp, hard_rock, high_gain_settings

Revv Amplification G4-V2

Shared character: hard_rock, full, lead

Wampler Dracarys

Shared character: noise, high_gain_settings, distortion

J. Rockett 10 Ton Hammer Overdrive

similar tone character

Joyo Uzi Distortion

similar tone character

Electro-Harmonix Hellmaster Distortion

similar tone character

Dunlop Custom Badass

similar tone character

Fender Godzilla Distortion Limited Edition

similar tone character

ENO EX-Inferno

similar tone character

Mooer Ultra Drive MK II

similar tone character

Amptweaker Tight Metal

similar tone character