What is The Difference Between Bulldog Trailer Coupler # BD4420000317 and # BD4425000317

Question

Question:

How are the BD4420000317 and BD4425000317 different other than the rating and price?

asked by: Dale K

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Expert Reply:

The difference between the Bulldog Cast Head Coupler, # BD4420000317, and the similar # BD4425000317, is exactly what you have said. The latter coupler has a 25,000 pound capacity rating while the first one is rated at only 20,000 pounds. The higher capacity coupler is also about 1 pound heavier because it is more heavy duty.

expert reply by: Michael H

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Answer 1

For the Bulldog trailer coupler #BD4420000317 you will need to use your own hardware. The bolt holes on the coupler are 5/8 inches in diameter. You will want to use grade 5 or higher quality bolts. The coupler could be welded on, however because this…

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Answer 2

The lock nuts of the Bulldog Cast Head Coupler w/ Wedge Latch #BD4420000317 need to be torqued down to 110 ft lbs of torque.

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Answer 3

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 4

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 5

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Answer 6

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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Answer 7

Hi Paul, you’re definitely on the right track here, and I can help you narrow this down with confidence. With your tandem 3,500 lb Dexter axles and 33 inch spacing, both the Dexter EZ Flex part #K71-652-00 and the Lippert Road Armor part #LC53CK are…

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Answer 8

Hey Bryan, that's a good question. The pricing can definitely be misleading, but I wouldn't use it to judge the quality of the tire. A lot of that comes down to promotions, inventory, and whether you're looking at a tire by itself or…

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Answer 9

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Answer 10

The 5.30-12 tires, being wider, are going to make more contact with the road. This means that the noise, and heat build up will be higher than a 4.80-12 tire but the rolling resistance will actually be less because the tire is larger diameter. The…

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Answer 11

The #84 spindle is just a common way to identify the spindle dimensions typically used for 3,500 lb axles. So instead of listing out the parts, people can just say they have #84 spindles and it's easier to know what fits it. The CE Smith Trailer…

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Answer 12

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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What is The Difference Between Bulldog Trailer Coupler # BD4420000317 and # BD4425000317

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