A loader bucket takes a beating every shift. Rocks, rebar, frozen ground — they all leave their mark. Eventually, every bucket needs repair. Weld too early and you waste money. Weld too late and you ruin the bucket beyond repair. Here is how to decide.
1. The Cutting Edge Test
The bolt‑on cutting edge is your bucket’s first line of defense. Replace it when the edge has worn down to within 25mm of the base plate in any spot. Uneven wear is normal — the center wears faster than corners. Rotate reversible edges if your bucket has them. Never weld new material onto a worn cutting edge; it will crack off in hours. Replace the edge and keep the old one for scrap.
2. Wear Strips and Shoe Plates
Most loader buckets have wear strips or shoe plates welded to the bottom. These take the brunt of abrasion. Check thickness with a simple rod through a drain hole. When strips wear down to 8mm or less, weld new strips alongside the old ones. Do not remove old strips — they act as a wear layer. Stacking new strips on top gives double protection.
3. Cracked Side Walls
Cracks near the hinge pins or side wall corners are serious. Stop using the bucket immediately if a crack runs more than 50mm or reaches a weld joint. To repair: drill a 5mm stop hole at each end of the crack, grind a V‑groove along the crack, weld with low‑hydrogen rods, then grind smooth. Add a reinforcing plate over the repair for extra strength.
4. Worn Tooth Adapters
On rock buckets with teeth, check the adapters (the cast piece that holds the tooth). Worn adapters let teeth wobble and fall off. If the adapter pin hole is elongated or the nose is worn more than 30%, cut off the old adapter and weld a new one. Align it precisely — off‑center adapters pull the bucket sideways when digging.
5. When to Call It Quits
A bucket is beyond repair when:
The base plate is worn through in multiple spots (holes larger than a fist)
The hinge plate (where the bucket connects to the loader) is cracked or distorted
Repeated repairs have added so much weld weight that the bucket exceeds its rated capacity
In these cases, a new bucket costs less than constant patching.
Not sure if your bucket is worth repairing? Reply with photos of your bucket bottom, cutting edge, and hinge area — we will give you a free repair-or-replace assessment with estimated costs for both options.