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Galvanized Knott Autoflex Boat or Jetski Trailer Torsion Axle 1,500lb Capacity 5 Lug 53 inch Hub Face

Galvanized Knott Autoflex Boat or Jetski Trailer Torsion Axle 1,500lb Capacity 5 Lug 53 inch Hub Face

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Part Number: 26946
by Knott: 26946
Hot-Dipped Galvanized Boat Trailer Torsion Axle 3500 lb Capacity 86 inch Track Measurement 74 1/2 inch Outside Bracket
Feature: WARNING: Cancer and Reproductive Harm -


Quantity Price
1 - 2 $327.69
3 - 9 $229.97
10 - 51 $218.47
52 - 103 $198.61
104+ $187.24
Price $327.69
In Stock

This 1,500lb capacity Galvanized Boat Trailer Axle is designed to fit a 46inch wide I-Beam Trailer. The Hub Face (Track Measurement) on this Torsion Axle Measures 53 inches.  It comes equipped with Galvanized 5 Lug Idler Hubs and features a greasable spindle, along with the standard 1.98 inch Accu-Lube Style Dust Cap so you can easily add grease to the Bearings for maintenance.  It also features a 2 Hole Brake Flange for installing Trailer Disc Brakes, and measures 46 inches from Brake Flange to Brake Flange, and 46 inches to the Outside of the Torsion Mounting Bracket.  The Starting Angle of this Torsion Style Boat and Jetski Trailer Axle is 30 Degrees Down.  Torsion Bar Axles are perfect for Salt Water Jetski Trailers because they last longer than Leaf Springs, which tend to rust quickly. 

The hubs are included pre-installed on this Torsion Axle.  The Trailer Hubs use standard 44649 Bearings (1 1/6" inner diameter) for both the outer and inner bearings.  The Seal Size for this galvanized hub is 1.25 inches inner diameter.  The Boat Trailer Hub uses the standard size lug nuts for trailer hubs and wheels, ½”x20, and the bolt pattern measures 4.5 inches.  The axle/hub does not include brakes, but there is a 2 hole brake flange (2 7/8 inches center to center) on the Torsion Arm so you can mount disc brakes to it, or swap out the hub to drum if you prefer. This Model Torsion Axle typically would use 4.80 x 12, 5.30 x 12, or ST145 R12 Trailer Tires depending upon the trailer. However, this jet ski torsion axle sku is not compatible with 18x8.5x8 or 20.5x8x10 trailer tire and wheel sizes. 

This pre-installed hub is already greased with a Lithium Based Grease.  Additional Lithium Grease may be applied before use.

Axle Features:

Hot-Dipped Galvanized Construction, including the Torsion Arms

1,500lb Capacity

30 Degree Down Starting Angle

Pre-Loaded 5 Lug Hubs

2-Hole Brake Flange for installing Brakes

Drain-Hole at the bottom of the V-Bend to Release Water Buildup

Greaseable Spindle

This Torsion Axle Comes with a Mounting Bracket for Each Side, however, it does not include mounting hardware.  The Mounting hardware required to install the torsion axle to your trailer frame depends your trailer frame size.  You can use through bolts for I Beam, U Bolts for I beam or channel or tubing, as well as longer Straight Bolts with the included Brackets for mounting to Channel, I beam or tubing.


New Mounting Holes May need to be drilled in order to install the new axle.


These Axles can be used on Continental Boat Trailers, Magic Tilt Trailers, Loadrite Trailers, Karavan Trailers, Loadmaster Trailers, Float On Trailers, and many others. However, the most common Boat Trailer this sku is used on is Karavan Boat Trailers. 

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