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Most Recent Questions
Recent Question:
What is the distance from bolt hole to bolt hole? 55"?
Recent Question:
Concerning capacity, is the 4500-Lb rating per spindle, or is this per pair. In other words if I have one axle with two of these, is it 9000 lb cap?
Recent Question:
Can you weld on the square tube To Mount this axle ? Or just the pad ?
Questions with Most Recent Answers
Question:
Concerning capacity, is the 4500-Lb rating per spindle, or is this per pair. In other words if I have one axle with two of these, is it 9000 lb cap?
Question:
Can you weld on the square tube To Mount this axle ? Or just the pad ?

Customer Questions & Answers for
Reliable UNDERSLUNG 4in. Drop Axle

Item# 12434
U.S.A. Overall Length in. 93 1/4, Spring Centers Length in. 74, Spring Seats Welded, Inner Bearing Size in. 1 3/8, Axle Outside Diameter in. 2 3/8, Axle Tube Type Round, Brakes Included No, Hubs Included No, Outer Bearing Size in. 1 1/16, Weight Capacity lbs. 3,500, Springs Included No, Track Length in. 89, Axle Drop in. 4, Seal Size in. 1.719.
Customer Questions & Answers:
6 Questions
 | 
6 Answers
Overall Rating:
5 out of 5
5
out of
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Product Details

Questions & Answers for Reliable UNDERSLUNG 4in. Drop Axle

Question

Axle tube, square or round?

This part number at my local Northern Tool has a round axle. The description on your site says it's a square axle. I'm looking for a square one. Do you carry them square?
Thanks,
Mike
asked 4 years, 1 month ago
by
fastclown
on Reliable UNDERSLUNG 4in. Drop Axle
0points
0out of 0found this question helpful.
1 answer
Answers
answer 1
Staff Answer
This axle has a round tube.
answered 1 year, 4 months ago
by
ProductExpert19
0points
0out of 0found this answer helpful.
Question

Which spring set would go with this axle?

asked 1 year, 5 months ago
by
Neemdream
 - Lynchburg, VA
on Reliable UNDERSLUNG 4in. Drop Axle
0points
0out of 0found this question helpful.
1 answer
Answers
answer 1
Staff Answer
Northern item number 125208 3500 pound leaf spring with eyes on both ends or item 125202 3500 pound slipper spring with eye on one end and flat on other end.
answered 1 year, 5 months ago
by
ProductExpert30
0points
0out of 0found this answer helpful.
Question

where is track length measured on a trailer axle?

asked 1 year, 5 months ago
by
Anonymous
on Reliable UNDERSLUNG 4in. Drop Axle
0points
0out of 0found this question helpful.
1 answer
Answers
answer 1
Staff Answer
The track length is measured from one hub face to the other hub face.
answered 1 year, 5 months ago
by
ProductExpert29
0points
0out of 0found this answer helpful.
Question

Is this axle flat or does it have built in camber?

Can it be flipped so that I can add clearance height under the trailer versus bringing it lower to the ground. Not going to modify and not concerned about voiding warranty.
asked 1 year, 8 months ago
by
TC12
on Reliable UNDERSLUNG 4in. Drop Axle
0points
0out of 0found this question helpful.
1 answer
Answers
answer 1
Staff Answer
This is a straight flat axle. It can be turned over to raise the height.
answered 1 year, 8 months ago
by
ProductExpert41
0points
0out of 0found this answer helpful.
Question

What hub assembly?

What hub assembly fits this axle? I was looking at #57206. Thanks.
asked 3 years, 4 months ago
by
Ohilla
 - MI
on Reliable UNDERSLUNG 4in. Drop Axle
+1point
1out of 1found this question helpful.
1 answer
Answers
answer 1
Staff Answer
The axle requires a hub that has a 1 3/8" inner bearing and a 1 1/16" outer bearing. See the recommendation below.
answered 3 years, 4 months ago
by
ProductExpert27
0points
0out of 0found this answer helpful.
Question

is this part ok to use on a boat trailer?

asked 4 years ago
by
Anonymous
on Reliable UNDERSLUNG 4in. Drop Axle
0points
0out of 0found this question helpful.
1 answer
Answers
answer 1
Staff Answer
Yes, this axle could be used on a boat trailer provided the measurements match your requirements.
answered 4 years ago
by
ProductExpert13
0points
0out of 0found this answer helpful.
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