4 Leaf 25 1/4"x 1 3/4" Trailer Double Eye Spring for 3500 lb Axles
Product Description
Optimize your agricultural trailer's durability and performance with our 4-Leaf Double Eye Tractor Trailer Spring, designed for heavy-duty 3500 lb axles. Built to withstand rugged farm terrain, this 25.25" x 1.75" spring features a robust 4-leaf construction and 9/16" nylon-bushed eyes, ensuring superior shock absorption and reduced wear on trailers. Ideal for tractors and utility vehicles, it maintains stability on uneven surfaces while distributing loads evenly. Pre-installed corrosion-resistant bushings and high-carbon steel materials guarantee longevity. Compatible with standard hanger kits (sold separately), this spring is a reliable upgrade for farming and industrial applications.
Parameters:
-
Leaves: 4
-
Dimensions: 25.25" (eye-to-eye) x 1.75" (width)
-
Eye Diameter: 9/16" (nylon bushing included)
-
Load Capacity: 1750 lb per spring / 3500 lb per axle
-
Material: High-carbon steel, galvanized finish
-
Application: Agricultural trailers, tractor haulers, heavy-duty 3.5K axle systems
Product name |
Size |
Axle Capcacity |
Trailer leaf spring |
25.25" (eye-to-eye) x 1.75" (width) |
3000lbs |


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

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
1-Welcome OEM
- You can use your own brands or ours, if you use our brand, our professional team will help you design the packing.
2-Our service
- You inquiry related to our products or prices will be replied in 24 hours.
- Well-trained and experienced staffs to answer all your enquirys in fluent English.
- Protection of your sales area, ideas of your design and all your private information.
- We have a QC team, every product will be checked by them before packed.
3-Welcome to visit
- When you come to our company visit us, we will arrange a car for picking up and help you book hotel. If you want to visit the local scenic spot, our colleague will accompany you.
4-Warranty
- Customer should be provide the video and the pictures for the problem products.
- Products returned within the warranty period must bear product number & date code.
5-After service
- In production and after delivery, we will track on time and tell you goods situation.
- When the goods arrived, if you find any design and quality questions, or difference from your samples, please feel free to contact us, we will find the question and solve it with you.