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How do I know the pulley and hardware are strong enough?

Documented on the Hitch Winch Pulley Build Finale build

Published July 14, 2026

Use D-rated shackles, grade 8 fasteners, sealed bearings, and a steel bracket sized for the expected loads.

Full Answer

Use D-rated shackles, grade 8 fasteners, sealed bearings, and a steel bracket sized for the expected loads. Perform incremental test pulls and inspect for deformation or loosening; always use hardware rated above your maximum expected load.

Documented In This Build

Related Parts

Pulley sheave (snatch block style)
$45
Sealed bearings (for pulley)
$15
Winch (12V electric) used for testing
$250
Roller fairlead
$60
Mounting hardware (grade 8 bolts, washers, nuts)
$12
Shackle (5/8" bow/clevis)
$25
Winch rope / cable (section)
$30
Finish / protective coating (powder coat or paint)
$40
Stainless hardware set (misc)
$8
Fabricated hitch bracket (steel)
$120

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Arc/MIG Welder
Bench vise / clamps
Protective gear (gloves, helmet, eye protection)
Drill and set of drill bits
Socket/ratchet and impact wrench
Measuring tape and square
Torque wrench
Angle grinder with cutoff and flap discs