This trailer axle has adjustable spring centers and can be under or over slung.
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Ultra-Tow 3500-Lb. Capacity Spring Trailer Axle with Adjustable Spring Mounts, 85in. Hubface, 69-1/2in.–73-1/2in. Spring Center, 90-1/4in.L, Straight

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Shipping:
Backordered: Order now to reserve yours -
Estimated to ship 08/11/26Store Pickup:
Out of stock at Fredericksburg VA
- Beam only flanged design can be used as an idler or brake axle
- Adjustable spring mounts offer a variety of mounting positions
- Fast Lube spindles allow you to re-grease the bearings without removing the hubs
- Stainless steel wear sleeves prevent rust from wearing on the rubber oil seal
- 2in. square tube steel axle is hot dip galvanized with adjustable spring centers
See full description
Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) Axle beam with adjustable spring mounts (1) Hardware kit (castle nuts, cotter pins, washers)
Features + Benefits
- Beam only flanged design can be used as an idler or brake axle
- Adjustable spring mounts offer a variety of mounting positions
- Fast Lube spindles allow you to re-grease the bearings without removing the hubs
- Stainless steel wear sleeves prevent rust from wearing on the rubber oil seal
- 2in. square tube steel axle is hot dip galvanized with adjustable spring centers
- Can be under or over slung
- Straight axle
- 3,500-lb. capacity
- 85in. hubface
- 69-1/2in.–73-1/2in. adjustable spring centers
- 90-1/4in. overall length
- 1-3/8in. inner bearing
- 1-1/16in. outer bearing
- 1.72in. seal
- Brake flange included
Key Specs
| Attribute | Specification |
|---|---|
item# | 49093 |
Brand | Ultra-Tow |
Manufacturer's Warranty | 1 year limited warranty |
Ship Weight | 41.0 LB |
Max. Spring Centers Length | 73.5 in |
Min. Spring Centers Length | 69.5 in |
Weight Capacity | 3,500 lb |
Product Type | Spring Axle |
Axle Tube Type | Square |
Seal Size ID | 1.71 in |
| Attribute | Specification |
|---|---|
Bearing Size ID | 1.375 in |
Bearing Size OD | 1.063 in |
Axle Outside Diameter | 2 in |
Springs Included | No |
Cambered | No |
Hubs Included | No |
Brakes Included | No |
Track Length | 85 in |
Adjustable Bracket | Yes |
Reviews
Questions & Answers
Questions
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· 3 months ago
Is this axle designed for spring over or under mount
1 answer-
UltraTowExpert12· 3 months ago
Helpful?
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· a year ago
How do I measure hub face?
1 answer-
UltraTowExpert12· a year ago
Identify the flat, outer surfaces where the wheel or rim mounts to the hub. Start at the outer edge of one hub face and extend to the outer edge of the opposite hub face to determine the hub face length.
Helpful?
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· a year ago
Are the spindles replaceable?
1 answer-
UltraTowExpert12· a year ago
The spindles are not replaceable, the entire axle would need to be replaced.
Helpful?
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· 2 years ago
what 5 lug hubs fit this axle?
1 answer-
UltraTowExpert12· 2 years ago
The hub kit, item 95437, is compatible with this trailer axle.
Helpful?
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· 2 years ago
What’s the hub face
1 answer-
UltraTowExpert12· 2 years ago
This axle has an 85" hubface.
Helpful?
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· 4 years ago
I purchased this axle and my grease gun zerk fitting does not fit the installed zerk fitting. What size zerk is installed on the axle?
1 answer-
UltraTowExpert12· 4 years ago
This axle uses a 1/4-28 Zerk fitting for a .230/.235 hole.
Helpful?
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· 4 years ago
What size bearing buddies do I need for these hubs
1 answer-
UltraTowExpert12· 4 years ago
This axle does not include any hubs. Compatible hubs that we currently offer are items 57206 and 572061.
Helpful?
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· 4 years ago
Can you cut and shorten the axle tube to make the hubface shorter?
1 answer-
UltraTowExpert12· 4 years ago
Cutting and shortening the axle is not recommended as it would alter the integrity of the axle.
Helpful?
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· 5 years ago
I have 4 bolt wheel. What hub assembly 4 bolt can I use.
1 answer-
UltraTowExpert7· 5 years ago
We currently do not offer a 4 bolt assembly that has a 1-3/8" inner bearing size, 1-1/16 outer bearing size and 1.72" seal size.
Helpful?
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· 5 years ago
Does the hole in the center of this axle need to face down?
1 answer-
UltraTowExpert30· 5 years ago
The hole in the center of the axle does need to be facing down.
Helpful?
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Accessories We Recommend
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Ultra-Tow XTP Ultra-Pack Trailer Hub, 5 on 4-1/2in., 1750-Lb. Capacity
Item # 572061
Order today to get this price.
Warranty
Manufacturer's Warranty
1 year limited warranty
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$259.99Shipping:
Backordered: Order now to reserve yours -
Estimated to ship 08/11/26Store Pickup:
Out of stock at Fredericksburg VA
- $429.99
Shipping:
Factory shippedStore Pickup:
Not available - online only
- $94.99
Shipping:
Backordered: Order now to reserve yours -
Estimated to ship 08/18/26Store Pickup:
Out of stock at Fredericksburg VA
Specifications
73.5 in
-
49 in
69.5 in
-
43 in
3,500 lb
2,200 lb
2,000 lb
Spring Axle
Torsion Axle
-
Square
Square
Square
1.71 in
1.25 in
1.25 in
1.375 in
1.063 in
1.063 in
1.063 in
1.063 in
1.063 in
2 in
-
1.5 in
No
-
No
No
Yes
No
No
No
No
No
No
No
85 in
73.5 in
59.5 in
Yes
-
-
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