3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs

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Customization: Available
Material: Steel
Max Payload: 3000kg
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  • 3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs
  • 3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs
  • 3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs
  • 3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs
  • 3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs
  • 3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs
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Basic Info.

Model NO.
LSA020
Type
American type axles
Manufacturing Process
Machining+Welding
Hub bolt pattern
5 on 4-1/2"
Leaf spring size
25 1/4" long and 1 3/4" wide
Axle size
1300mm
Hub face
73 inch
Studs
1/2" Lug
Spring Centers
58 inch
Inner Bearing
68149
Outer Bearing
44649
Dust Cap
1.98 inch
Leaf Spring type
25 1/4 inch Double-Eye Spring
Axle Tubing
2 3/8 inch
Bolt pattern
5 bolt 4.5 inch
seal
1.72 inch
Spring Bushing
9/16 x 11/16
Transport Package
Strap with Pallet
Specification
3500lbs Trailer Axle
Trademark
HARSCO
Origin
China
HS Code
8708991000
Production Capacity
500000PCS/Year

Packaging & Delivery

Package Size
15.00cm * 15.00cm * 30.00cm
Package Gross Weight
25.000kg

Product Description


3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs

3.5k Boat Trailer Axle Assembly 73 in Hub Face 58 in Spring Center 5 on 4.5 Idler Hubs and 25 1/4 inch Leaf Springs

3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs

Upgrade your trailer with the LCI Lippert 3,500LB Full Trailer Axle Suspension Assembly, designed to simplify your trailer maintenance and enhance performance. This comprehensive kit allows you to replace the axle, leaf springs, U-bolts, and hubs all at once, ensuring a seamless and efficient installation process.

Key Features:

  • Complete Assembly: Includes a 73-inch hub face trailer axle with a standard 4-hole brake flange, 25 ¼-inch double-eye leaf springs pre-installed, zinc-plated U-bolts, and U-bolt plates.
  • Durable Construction: Made from painted steel, the axle features 2 3/8-inch diameter tubing and cambered design for improved stability.
  • Versatile Hubs: Equipped with 5 lug (4 ½-inch bolt pattern) standard hubs and a 4-hole brake flange, compatible with trailer disc brakes.
  • Greasable Spindles: Accu Lube / Posi Lube greasable spindles with 1.98-inch dust caps featuring removable plugs for easy grease access.
  • High-Quality Leaf Springs: Includes 25 1/4-inch double-eye springs with 9/16 x 11/16 spring bushings, each with a 1,750lb capacity (4 leaf-spring).

Specifications:

  • Axle Capacity: 3,500 lbs
  • Hub Face: 73 inches
  • Spring Centers: 58 inches (ensure this measurement matches your current axle's spring center for proper fitment)
  • Axle Tubing Diameter: 2 3/8 inches (painted steel)
  • Hub Bolt Spacing: 5 bolts, 4.5 inches
  • Bearing Sizes: 1 3/8 inch inner (68149) x 1 1/16 inch outer (44649)
  • Dust Cap: 1.98 inch Accu Lube with removable plug
  • Seal Size: 1.72 inch
  • Leaf Spring Bushings: 9/16 x 11/16 (included)
  • Spring Bolts: Requires 2, 9/16 inch diameter (not included)
  • Underslung Design: Comes with zinc-plated U-bolts for corrosion resistance

Important Note:

This assembly includes everything you need except the leaf spring shackles and mounting bolts. For complete installation, you may also need new trailer lug nuts. Ensure you take precise measurements from your trailer and compare them to the provided specifications to guarantee fitment. If replacing leaf spring mounting brackets, consider our Single Axle Leaf Spring Slider and Tandem Axle Leaf Spring Slider for an easier installation process.

Applications:

Perfect for light duty trailers such as utility trailers, boat trailers, car haulers, ATV trailers, lawn and landscape trailers, motorcycle trailers, BBQ pit trailers, cargo trailers, enclosed trailers, and RV trailers.

Why Choose Us:

  • Ease of Installation: Fully assembled kit for a hassle-free setup.
  • Quality Assurance: Made with high-quality materials and precise engineering for dependable performance.
  • Customer Support: Our team is ready to assist with any questions to ensure a smooth purchasing experience.

For any inquiries or to place an order, please contact us today. We are dedicated to providing top-quality products and exceptional customer service.

Parameters of Leaf spring



Part NO


Capacity


Leaf Qty


Leaf Specification
Overall
Length
(A)
Eye to
Centre
Bolt
(B)
Centre Bolt
to horizontal
(C)
Parabolic Single Leaf Eye & Slipper Spring
TS001 600kg 1 45mm(width) *7mm(thk) 765mm 350mm customize
TS002 1000kg 1 45mm(width) *7mm(thk) 765mm 350mm customize
TS003 1400kg 1 45mm(width) *7mm(thk) 765mm 350mm customize
Multi-leaf Eye & Slipper Springs
TS004 500kg 2 45mm(width) *7mm(thk) 640mm 300mm 100mm
TS005 750kg 3 45mm(width) *7mm(thk) 640mm 300mm 100mm
TS006 1000kg 4 45mm(width) *7mm(thk) 640mm 300mm 100mm
TS007 1250kg 3 45mm(width) *8mm(thk) 640mm 300mm 100mm
TS008 1500kg 4 45mm(width) *8mm(thk) 640mm 300mm 100mm
TS009 2000kg 5 45mm(width) *8mm(thk) 640mm 300mm 100mm
TS010 650kg 3 45mm(width) *7mm(thk) 765mm 340mm 155mm
TS011 750kg 4 45mm(width) *7mm(thk) 765mm 340mm 155mm
TS012 1000kg 5 45mm(width) *7mm(thk) 765mm 340mm 155mm
TS013 1250kg 6 45mm(width) *7mm(thk) 765mm 340mm 155mm
TS014 1500kg 7 45mm(width) *7mm(thk) 765mm 340mm 155mm
TS015 1600kg 8 45mm(width) *7mm(thk) 765mm 340mm 155mm
Multi-leaf Eye & Slipper Springs Tandem
TS016 2200kg 3 45mm(width) *7mm(thk)      
TS017 3000kg 4 45mm(width) *7mm(thk)      
TS018 3500kg 5 45mm(width) *7mm(thk)      
Double Eye Multi-leaf Slipper Springs
TS019 2000kg 5 60mm(width) *7mm(thk)      
TS020 2200kg 6 60mm(width) *7mm(thk)      
TS021 2600kg 7 60mm(width) *7mm(thk)      
TS022 2750kg 8 60mm(width) *7mm(thk)      
Tandem Roller Rocker Spring
TS023 2000kg/2800kg 5 60mm(width) *7mm(thk)      
TS024 2500kg/3500kg 6 60mm(width) *7mm(thk)      
TS025 3000kg/4000kg 7 60mm(width) *7mm(thk)      
TS026 3500kg/4500kg 8 60mm(width) *7mm(thk)      
TS027 4000kg/4500kg 9 60mm(width) *7mm(thk)      

SELECTING THE PROPER TRAILER AXLE
When selecting an axle for your application remember to consider the following important specifications:

  • LOAD CAPACITY:  the load rating of the axle must support the maximum gross vehicle weight rating. For multiple axle trailers divide the GVWR by the number of axles to determine the minimum load capacity of each axle.

  • TRACK LENGTH:  measure your axle track length by determining the distance between the center of one tire to the center of the other tire. A more precise measurement can be made by measuring the distance from one 'HUB FACE' to the other. The hub face is also known as the mounting surface where the wheel studs are located.

  • SPRING CENTERS:  measure the distance from the center of one spring to the center of the other.
    NOTE: not required for replacement torsion axles

  • OVERALL LENGTH:  measure the distance from the very end of an axle's spindle to the very end of the opposite spindle.

  • AXLE STYLE:  important when reusing old mounting hardware and also for proper tire clearance. Includes straight axles (round or square), drop axles with offset spindles, and torsion axles. Also consider spindle size when reusing existing hubs or drums.

  • AXLE CAMBER:  Most trailer axles are designed with a bend in the tube that will deflect when the load (weight of the trailer) is applied. This will theoretically bring the trailer wheel camber toward a 0 value that is the best setting for most trailer applications. This will allow the tires to wear evenly and allow the longest tread life. Camber can be affected by damage to the axle. For example, if the axle spindle is bent, this will usually cause a negative camber on that side which will cause excess tread wear on the inside of that tire.

    3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs

     

3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs



3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs


3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs

3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs


3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs

3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs



Ningbo Harsco Machinery Co., Ltd is a professional manufacturer of trailer parts in Ningbo, Zhejiang Province, China since 2016.


 
We can produce many trailer parts & accessories as follows: Towbars, axles, brake drums, hubs, brake disc, bearings, springs and springs and suspension kits, couplings, mudguards, U-Bolts, Jockey Wheels, keel rollers and brackets, wobble roller, wheel spacer, equalizers and all accessories related to trailers.
3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs


If you can send me the drawings or specifications of the trailer parts, mechanical parts and wheels, we can give you our price.


3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs

Q1: Do you have factory?
A: Yes, we have our own factory, own engineers, we can meet custom's unique requirement.

Q2: Can I have a sample order?
A: Yes, welcome sample order to test and check quality. Mixed samples are acceptable.

Q3: It's OK to print my logo on your product?
A: Yes, we can according to your exact requirement.

Q4:How do you ship the goods and how long does it take arrive?
A: We usually shipped by DHL, UPS, FedEx, it usually takes 3-5 days to arrive. Airline and sea shipping also optional.

Q5: What is your advantages?
A: We are professional supplier for more than ten years, we always put the quality and price at the first place. At the same time, our products are exported to various countries, we have full experience to solve thorny problems.

If you want to know about our products and us, welcome to enquiry and email me.thanks

3.5k Boat Trailer Axle Assembly with 25" Leaf Springs, Idler Hubs
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