The Shell-Walker Circulator is an uncommon machine resource in Horizon Forbidden West.

Acquisition

Shell-Walker Circulators can be obtained by looting any type of Shell-Walker ^{(27% chance)}, or by purchasing them from Handa or Runda for 70.

Uses

Crafting

Image	Item	Requirements
	Carja Wanderer (Level 3)	1 Shell-Walker Circulator 2 Medium Machine Cores 4 Sturdy Hardplates 150
	Oseram Forester (Level 3)	1 Large Machine Core 1 Shell-Walker Circulator 2 Rollerback Hammer Tails 10 Sturdy Hardplates 300
	Quen Deadeye (Level 2)BS	1 Luminous Brainstem 2 Shell-Walker Circulators 800

Trading

Image	Item	Requirements
	Shell-Walker Strike piece	2 Shell-Walker Circulators
	Utaru Harvester	1 Shell-Walker Circulator 399
	Wildfire Hunter Bow	1 Large Machine Core 1 Shell-Walker Circulator 1,437

Shell-Walker Circulators can be sold for 18.

Wiki Navigation

Machine Resources
Horizon Zero Dawn
Hearts	Behemoth Heart - Bellowback Heart - Broadhead Heart - Charger Heart - Corruptor Heart - Deathbringer Heart - Fireclaw HeartFW - Frostclaw HeartFW - Glinthawk Heart - Grazer Heart - Lancehorn Heart - Longleg Heart - Ravager Heart - Rockbreaker Heart - Sawtooth Heart - Scorcher HeartFW - Scrapper Heart - Shell-Walker Heart - Snapmaw Heart - Stalker Heart - Stormbird Heart - Strider Heart - Thunderjaw Heart - Trampler Heart - Watcher Heart
Lenses	Behemoth Lens - Bellowback Lens - Broadhead Lens - Charger Lens - Corruptor Lens - Deathbringer Lens - Fireclaw LensFW - Frostclaw LensFW - Glinthawk Lens - Grazer Lens - Lancehorn Lens - Longleg Lens - Ravager Lens - Rockbreaker Lens - Sawtooth Lens - Scorcher LensFW - Scrapper Lens - Shell-Walker Lens - Snapmaw Lens - Stalker Lens - Stormbird Lens - Strider Lens - Thunderjaw Lens - Trampler Lens - Watcher Lens
Quest Items	Arana's Spear - Behemoth Cables - Bellowback SnoutFW - Corruptor Blood - Proving Trophy - Ravager Trophy - Sawtooth Blood - Sawtooth Trophy - Scorcher ClawFW - Snapmaw FangFW - Stalker Blood - Stalker Trophy - Stalker SinewFW - Stormbird Blood - Stormbird TalonFW - Stormbird Trophy - Tallneck ActuatorFW - Tallneck ArrayFW - Tallneck StabilizerFW - Thunderjaw Blood - Thunderjaw MandibleFW - Thunderjaw Trophy
Other	Blaze - Chillwater - Crystal Braiding - Echo Shell - Luminous Braiding - Large Machine Core - Medium Machine Core - Metal Vessel - Metalburn - Processed Metal Block - Small Machine Core - Sparker - Wire
Horizon Forbidden West
Circulators	Behemoth Circulator - Bellowback Circulator - Bilegut CirculatorBS - Bristleback Circulator - Burrower Circulator - Canister Burrower Circulator - Charger Circulator - Clamberjaw Circulator - Clawstrider Circulator - Corruptor Circulator - Dreadwing Circulator - Elemental Clawstrider Circulator - Fanghorn Circulator - Fireclaw Circulator - Frostclaw Circulator - Glinthawk Circulator - Grazer Circulator - Lancehorn Circulator - Leaplasher Circulator - Longleg Circulator - Plowhorn Circulator - Ravager Circulator - Redeye Watcher Circulator - Rockbreaker Circulator - Rollerback Circulator - Scorcher Circulator - Scrapper Circulator - Scrounger Circulator - Shell-Walker Circulator - Shellsnapper Circulator - Skydrifter Circulator - Slaughterspine Circulator - Slitherfang Circulator - Snapmaw Circulator - Spikesnout Circulator - Stalker Circulator - Stormbird Circulator (Damaged Stormbird CirculatorBS) - Sunwing Circulator - Thunderjaw Circulator - Tideripper Circulator - Tracker Burrower Circulator - Tremortusk Circulator - Waterwing CirculatorBS - Widemaw Circulator
Hearts	Apex Behemoth Heart - Apex Bellowback Heart - Apex Bilegut HeartBS - Apex Bristleback Heart - Apex Burrower Heart - Apex Canister Burrower Heart - Apex Clamberjaw Heart - Apex Clawstrider Heart - Apex Dreadwing Heart - Apex Elemental Clawstrider Heart - Apex Fireclaw Heart - Apex Frostclaw Heart - Apex Glinthawk Heart - Apex Grazer Heart - Apex Lancehorn Heart - Apex Leaplasher Heart - Apex Longleg Heart - Apex Plowhorn Heart - Apex Ravager Heart - Apex Redeye Watcher Heart - Apex Rockbreaker Heart - Apex Rollerback Heart - Apex Scorcher Heart - Apex Scrapper Heart - Apex Scrounger Heart - Apex Shell-Walker Heart - Apex Shellsnapper Heart - Apex Skydrifter Heart - Apex Slaughterspine Heart - Apex Slitherfang Heart - Apex Snapmaw Heart - Apex Spikesnout Heart - Apex Stalker Heart - Apex Stormbird Heart - Apex Sunwing Heart - Apex Thunderjaw Heart - Apex Tideripper Heart - Apex Tracker Burrower Heart - Apex Tremortusk Heart - Apex Waterwing HeartBS - Apex Widemaw Heart
Key Upgrade Resources	Behemoth Force Loader - Bellowback Sac Webbing - Bilegut Sac WebbingBS - Bristleback Tusk - Burrower Soundshell - Charger Horn - Clamberjaw Tail Duster - Clawstrider Razor Tail - Dreadwing Metal Fang - Elemental Clawstrider Sac Webbing - Fanghorn Antler - Fireclaw Sac Webbing - Frostclaw Sac Webbing - Glinthawk Beak - Grazer Rotor Horn - Lancehorn Drill Horn - Leaplasher Spark Coil - Longleg Wing Burner - Plowhorn Horn - Rockbreaker Mining Claw - Rollerback Hammer Tail - Scorcher Scanning Ear - Scrapper Radar - Scrapper Spark Coil - Scrounger Spark Coil - Shell-Walker Lightning Gun - Shellsnapper Shell Bolt - Skydrifter Razor Tail - Slitherfang Earthgrinder - Snapmaw Sac Webbing - Spikesnout Sac Webbing - Stalker Stealth Generator - Stormbird Storm Cannon - Sunwing Shield Caster - Thunderjaw Tail - Tideripper Tail Fin - Tremortusk Tusk - Widemaw Tusk
Primary Nerves	Behemoth Primary Nerve - Bellowback Primary Nerve - Bilegut Primary NerveBS - Bristleback Primary Nerve - Burrower Primary Nerve - Canister Burrower Primary Nerve - Charger Primary Nerve - Clamberjaw Primary Nerve - Clawstrider Primary Nerve - Corruptor Primary Nerve - Dreadwing Primary Nerve - Elemental Clawstrider Primary Nerve - Fanghorn Primary Nerve - Fireclaw Primary Nerve - Frostclaw Primary Nerve - Glinthawk Primary Nerve - Grazer Primary Nerve - Leaplasher Primary Nerve - Longleg Primary Nerve - Plowhorn Primary Nerve - Ravager Primary Nerve - Redeye Watcher Primary Nerve - Rockbreaker Primary Nerve - Rollerback Primary Nerve - Scorcher Primary Nerve - Scrapper Primary Nerve - Scrounger Primary Nerve - Shell-Walker Primary Nerve - Shellsnapper Primary Nerve - Skydrifter Primary Nerve - Slaughterspine Primary Nerve - Snapmaw Primary Nerve - Slitherfang Primary Nerve - Spikesnout Primary Nerve - Stalker Primary Nerve - Stormbird Primary Nerve - Sunwing Primary Nerve - Thunderjaw Primary Nerve - Tideripper Primary Nerve - Tracker Burrower Primary Nerve - Tremortusk Primary Nerve - Waterwing Primary NerveBS - Widemaw Primary Nerve
Quest Items	Antenna Salvage - Ballast RegulatorBS - Behemoth Salvage - Corrugated Metal Panel - Fanghorn Rib - Fire Fanghorn Salvage - Grimhorn Control Core - Lancehorn Salvage- Longleg Throat - Machine Knee Cap - Plowhorn Salvage - Pristine Fanghorn Heart - Pristine Ravager Heart - Pristine Stormbird Heart - Scrapper Jaw Salvage - Stalker Mine Launcher - Synthetic Membrane - Wing MembraneBS
Other	Blastpaste - Blaze - Braided Wire - Chillwater - Crystal Braiding - Echo Shell - Glowblast - Large Machine Core - Luminous Brainstem - Machine Muscle - Medium Machine Core - Metal Bone - Metal Fertilizer Pod - Metalbite - Piercing Spike - Processed Metal Block - Purgewater - Small Machine Core - Sparker - Stickpaste - Stolen SuppliesBS - Sturdy Hardplate - Volatile Sludge