Do you offer sample orders?

Yes, sample orders are welcome to test and check quality. Mixed samples are acceptable.

What is the maximum payload capacity?

The maximum payload capacity is 2000kg, with a trailer axle capacity of 3,500 lbs.

3.5k Boat Trailer leaf spring Axle Assembly with 25 1/4 inch Springs

Name: 3.5k Boat Trailer leaf spring Axle Assembly with 25 1/4 inch Springs
Brand: Ningbo Harsco Machinery Co., Ltd.
SKU: 2141419225

Zhejiang, ChinaNingbo Harsco Machinery Co., Ltd.

US$800.00

1-199 Pieces

US$490.00

200+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Steel

Max Payload

2000kg

Model NO.

LSA014

Number of Axles

Single Axle

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

Key features

Complete Suspension Assembly: Includes axle, 25 1/4 inch leaf springs, hubs, and U-bolts for full replacement.

3500lb Load Capacity: Supports up to 3,500 lbs with 2,3/8 inch painted steel axle tubing.

Disc Brake Compatible: Features standard 4-hole brake flange for easy installation of trailer disc brakes.

Pre-installed Leaf Springs: Comes with 25 1/4 inch double-eye leaf springs and zinc plated U-bolts.

5-Lug Hub Configuration: Equipped with 5 on 4.5 inch bolt pattern hubs and 1/2 inch lug studs.

Greasable Spindles: Features cambered Accu Lube/Posi Lube greasable spindles for maintenance.

OEM Branding Support: Customers can use their own brand or ours with professional packaging design.

Professional Manufacturer: Ningbo Harsco Machinery has over 10 years of experience in trailer parts.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceIn-stock CapacityFast Delivery

Ningbo Harsco Machinery Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2016-06-29Nearest Port: NINGBOAverage Response Time: ≤8.16hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA

AI-Powered supplier vetting

SummaryThe supplier is a limited company with six employees, a valid import/export license, and business activities spanning electrical and mechanical equipment, electronics, household appliances, fasteners, auto parts, daily necessities, and metal products. It reports steel-wheel output of 10,000,000 pieces and six to ten quality-control staff, but the available staffing and production information is internally limited. The supplier supports customization from samples and designs, full, minor, and flexible customization, yet reports no new products in the past year, no ODM service, and only one R&D engineer. Service coverage includes in-stock capability and stated peak- and off-season lead times within 15 workdays, but it has no overseas warehouse, showroom, agent, or branch. Export licensing is confirmed, while raw-material traceability, environmental compliance, fire-drill status, formal service procedures, and corrective-action records are unknown or absent. No Fortune 500 cooperation, offline trade-show...

CertificationsThe supplier explicitly reports holding a valid import/export license. No other certifications are identified in the provided information, so broader certification coverage cannot be assessed.

R&D capabilityThe supplier reports no new products launched in the past year, no ODM service, no available SDK, and only one R&D engineer. These explicit indicators show limited demonstrated innovation activity, despite the availability of several customization services.

Production capacityThe supplier reports steel-wheel production of 10,000,000 pieces, six to ten quality-control staff, in-stock capability, and lead times within 15 workdays in both seasons. It also has a valid import/export license, but the relationship between the stated output, employee count, and production resources is not explained, so overall capacity reliability cannot be fully validated.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization service coverage, although no details are provided on engineering processes, tooling, or delivery performance for customized products.

Client casesThe supplier reports no OEM service for popular brands and no cooperation with Fortune 500 companies. No named customer cases or documented reference projects are provided; the stated repeat-buyer preference of 50%–80% indicates some repeat business but does not identify or substantiate customer cases.

Product Q&A

Q:How do I ensure this axle kit fits my trailer?

You must measure your current trailer's hub face (73 inch), spring centers (58 inch), and axle track length to guarantee fitment before ordering.

Q:Is this axle suitable for disc brakes?

Yes, it features a standard 4-hole brake flange, allowing you to install trailer disc brakes if needed.

Q:What is the warranty policy for this product?

Customers should provide video and pictures of defective products. Returned items within the warranty period must bear the product number and date code.

Q:Can I print my logo on the product?

Yes, we can customize the product according to your exact requirements, including printing your logo.

Q:How long does shipping take?

We usually ship by DHL, UPS, or FedEx, which takes 3-5 days to arrive. Airline and sea shipping are also optional.