Where do I cut the broken trailer axle/spindle to weld new spindle

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Specs:, Application: 8000lb trailer axles, Spindle capacity: 4000 lb, Overall spindle length: 10.9, Integrated 4 Bolt Flange, Cotter Hole, This 8K

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Where do I cut the broken trailer axle/spindle to weld new spindle? - The Hull Truth - Boating and Fishing Forum

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Where do I cut the broken trailer axle/spindle to weld new spindle? - The Hull Truth - Boating and Fishing Forum

Can this spindle be sanded smooth and reused? - The Hull Truth - Boating and Fishing Forum

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A: How would you go about machining a replacement? B: How much would it cost? Thanks in advance. : r/Machinists

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[2-Pack] SP466 - Spindle #42 E-Z Lube with 5-Bolt Flange for 5,200-7,000 lbs Trailer Axle : Automotive

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Spindle Repair and Replacement: United Axle - Crump Truck & Trailer Works