Curt Hitch Ball - Trailer Hitch Ball - C40005 Review Video

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Products Featured in this Video

Review of Curt Balls C40005

Today we're going to be taking a look at the Curt 2 5/16 inch hitch ball. This hitch ball provides a connection point for your trailer's coupler. It's a steel construction with a durable, corrosion-resistant nickel chrome finish. It's going to feature fine threads that provide tight, strong grip and it's going to have the wrench flats on it. Right here it's got the flat sides on the flat form.… see more >

Info for this part was:

Installed by:

Andrew K

Installed by:

Cole B

Video Edited:

Chris R

Video by:

Charles A

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A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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What Grade Stainless Steel is Used on the Curt 2-5/16" Hitch Ball #C49FR?

Great question! I went ahead and reached out to my tech at Curt, and he confirmed that the stainless steel grade used on the 2-5/16" Hitch Ball - 1-1/4" Diameter x 2-5/8" Long Shank #C49FR is grade 304.

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In the USA a tandem axle utility trailer with a gross vehicle weight rating (GVWR) of 7500-lbs should have brakes installed. Any trailer over 3000-lbs must have brakes on all wheels in most states, but laws do vary. Some states require braked axles…

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Curt recommends the use of 250 ft/lbs of torque when tightening the nuts of their hitch balls with a 1 inch diameter shank like the part #C40034 that you referenced. The general rule is for a 3/4" shank tighten to 150 ft/lbs For a…

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