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HF Series 3 Welding Cart Kit (Bottom Deck Only)
HF Series 3 Welding Cart Kit (Bottom Deck Only)
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Just need the base? This deck-only kit converts your Harbor Freight Series 3 27" or 42" Toolbox into a welding cart base — no drilling or welding required. Perfect if you're pairing it with your own top mount or building out a custom setup.
No drilling or welding required
Bolts directly onto your cart's existing holes — no modification needed.
Features
No-drill, no-weld install — uses the cart's existing mounting holes
Caster relocation hardware included to move casters to the new bottom deck
Fits both 27" and 42" Series 3 toolboxes
Raw, unpainted 11-gauge steel
Dimensions
Adds 11-3/4" to the tank side once installed
Compatibility
Harbor Freight Series 3 27" or 42" Toolbox
What's included
Bottom deck mount, caster relocation hardware
Not included: tool box, gas cylinders, top mount, shelf, and lead hangers (sold separately)
Installation note: Harbor Freight carts can vary slightly between units, so you may need to ream out a hole or slot for a proper fit. Leave all mounts loose until everything is in place, then tighten down.
