Trailer 6 Leaf Single Eye 12000 Lbs Axle Leaf Spring Suspension
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Product Highlights
- 12000 Lbs Heavy Duty Capacity: Single axle suspension designed to support up to 12000 lbs loading weight.
- 6-Leaf Steel Construction: Made of high-strength steel with 6 leaves for durability and shock absorption.
- Enhanced Stability & Traction: Keeps axles aligned, reduces sway, and maintains consistent tire contact.
- Low Maintenance Design: Fewer moving parts than air suspension, reducing repair needs and costs.
- Full Customization Available: We accept full customization based on your samples or technical drawings.
- 100% Pre-Delivery Testing: All goods undergo 100% testing before delivery to ensure quality.
- Competitive Pricing: We keep good quality and competitive prices to ensure customer benefits.
- Fast Lead Time: Average lead time within 15 workdays for both peak and off-season.
Product Attributes
- Customization
- Available
- Loading Weight
- 12000 Lbs
- Material
- Steel
- Model NO.
- BZ-062104
- Number of Axles
- Single Axle Suspension
- Type
- Leaf Spring Suspension
- Number of Leaves
- 6
- Eye Diameter
- 1"
- Size
- 30 1/2" X 3"
- Loading Capacity
- 12000 Lbs
- Transport Package
- Wooden Pallets
- Trademark
- BZ
- Origin
- Shandong China
- HS Code
- 7320102000
- Production Capacity
- 900000/Year
- Package Size
- 110.00cm * 100.00cm * 100.00cm
- Package Gross Weight
- 1000.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Trailer 6 Leaf Single Eye 12000 Lbs Axle Leaf Spring Suspension
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Product Description
PRODUCT INTRODUCTION
1. Load Support
Primary Function: Supports the weight of the trailer and its cargo, distributing the load evenly across the axle(s).
Heavy-Duty Capacity: Designed to handle varying loads, from light-duty utility trailers to heavy commercial trailers.
2. Suspension & Shock Absorption
Flexibility: The stacked steel leaves flex to absorb road shocks, bumps, and vibrations, improving ride stability.
Durability: Made of high-strength steel to withstand repeated stress without breaking.
Keeps Axles Aligned: Helps maintain proper axle spacing and prevents lateral (side-to-side) movement.
Reduces Sway: Enhances trailer stability, especially when cornering or on uneven terrain.
4. Enhanced Traction
By maintaining consistent tire contact with the road, leaf springs help improve traction, especially when hauling heavy loads.
5. Simple & Reliable Design
Low Maintenance: Unlike air suspensions, leaf springs have fewer moving parts, reducing the need for frequent repairs.
Cost-Effective: More affordable than complex suspension systems while still providing reliable performance.
DETAIL PICTURE
| ITEMS | VALUE |
| Type | Single eye flat end |
| Number of leaves | 6 |
| Long | 30 1/2" |
| Width | 3'' |
| Eye Diameter | 1'' |
| Bushing | Rubber |
| Each capacity | 6000 LBS |
| Axle capacity | 12000 LBS |
ACCURATELY MEASURE YOUR TRAILER AXLE
Accurately measuring your trailer springs and choosing the correct replacements is important for the function of your trailer and will make the job of replacing them much easier. Using replacement trailer springs with the correct length will keep the axle in the same position, eliminating the need to move guards or suspension components like spring hangers. Matching your weight capacity, arch, and leaf count will keep the ride height of the trailer the same and keep the ride characteristics the same.
Determining when to replace trailer springs
Noticing the following could warrant such actions even if a spring isn't technically broken:
-Suspension dipping on one side
-Obvious signs of corrosion or cracking
-Creaking or squeaking
-Tire wear, unusually high
-Consistently scraping the bottom when crossing bumps
Should always be per axle, replacing leaf springs helps maintain balance and consistent performance.
Step 1: DETERMINE THE TYPE OF TRAILER SPRING

Step 2: MEASURE THE WIDTH OF THE TRAILER SPRING
Step 3: MEASURE THE LENGTH OF THE TRAILER LEAF SPRING
To measure the free length, refer to letter "C" above. It is important that your trailer is unloaded when measuring the length. When determining length (C), measure from the center of one spring eye to the center of the other spring eye for double eye trailer springs.
Step 4: DETERMINE THE CAPACITY OF THE SPRINGS
Step 5: MEASURE FREE OPEN AND ARC OF THE TRAILER SPRING
Measure the free open (H) and the arc (A) and (B) of the trailer spring. These measurements are more for reference and will change with the age and fatigue of your spring.
PACKAGING

Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent,
we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages
before you pay the balance.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. How about your delivery time?
A: Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q7: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI2351224". Items marked "" are certified.
Company Profile
Shandong north autotech co.Ltd is a modern enterprise specializing in the research and development and supply of core components for trailer chassis.We are always adhered to the core mission of "providing one-stop chassis solutions for the global trailer manufacturing and modification fields".With a rich product matrix, precise market positioning and reliable quality assurance, become a highly competitive supplier of trailer chassis components in the industry.In the core product field of axles, the company has established a product system covering the full load range from 3, 500K to 15, 000K, which can not only meet the flexible demands of light trailers but also adapt to the high-intensity operation scenarios of heavy trailers, comprehensively covering multiple fields such as agriculture, logistics, outdoor leisure, and engineering transportation.To achieve the service goal of "one-stop matching of trailer chassis", the company has further expanded a complete supporting product system beyond its core axle products, covering the key components required for the operation of trailer chassis.Among them, the landing jacks series includes manual jacks and electric jacks, featuring strong load-bearing capacity and smooth lifting, providing solid support for the parking and loading/unloading of trailers.Hardware products include high-strength u-bolts, connecting pins, fastening kits, etc., all of which are processed from high-hardness steel to meet the connection requirements of various chassis components and ensure structural stability.The design of leaf spring products enhances load-bearing capacity, making them suitable for heavy-duty freight trailers and engineering equipment trailers, and effectively disperses the pressure on the chassis.The trailer mover is specially designed for the movement of trailers in confined spaces.It is easy to operate and has a strong load-bearing capacity, solving the problems of trailer parking and dispatching.The guide wheel series includes heavy-duty swivel wheels and directional wheels, which are suitable for the bottom support and movement requirements of trailers, enhancing the flexibility of use.In addition, the company has also launched supporting products such as vehicle-mounted refrigerators and air conditioners for scenarios like outdoor camping and long-distance transportation, to meet the expansion of trailer functions and users' comfort needs.Since its establishment, the company has always adhered to the business philosophy of "high-quality one-stop service", and has established a strict quality control system for all products - from the raw material procurement link to the production and processing process, precision machining equipment and standardized processes are adopted.Before the finished products leave the factory, multi-dimensional tests such as load tests, weather resistance tests, and performance simulation tests are conducted to ensure that each product meets industry quality standards and customer usage requirements.In the future, shandong north autotech co.Ltd will constantly optimize the product system and service capabilities, and enhance the technological content of core products and the richness of supporting products.We are committed to providing global customers with more efficient, convenient and reliable one-stop solutions for trailer chassis, and promoting the high-quality development of the trailer manufacturing and modification industry.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- Room 1209, Building B1 of Hengda Feicui Huating, Zibo, Shandong, China
-
Number of Employees
- 8
-
Terms of Payment
- LC, T/T
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Qingdao Port
-
Minimum Order Quantity
- 1 pallet
-
Supply Chain Partners
- 15
Our Production Capability & Technical Expertise
- Main Products
- 15K 12K 10K 8K 7K 5K 3500lbs Trailer Axle, Trailer Jacks Electric Manual Wheel Landingjack, Electric Brake Drum and Hub Euro & U. S. Market, Tailer Hardwares Hanger Kit Ubolt Tow Ball, Trailer Leaf Spring Eye Slipper Hook Type, Trailer Suspension Kit Trailer Axle Repair Kit, Straight Axle Drop Axle Torsion Axle Idler Axle, Ratchet Tie Down Chains Lashing Belt, Horse /Travel Trailer Axle Offroad, Axle for Utility RV ATV Enclosed Cargo Trailer
-
Customization Options
- Full Customization
-
R&D Engineers
- 1 people
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2022-06-08
-
Export Year
- 2 years
-
Main Markets
- North America, South America, South Asia
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 5
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- What is the loading capacity of this trailer leaf spring?
- The axle capacity is 12000 Lbs, with each leaf supporting 6000 Lbs.
- What are the dimensions of the leaf spring?
- The size is 30 1/2' in length, 3'' in width, with an eye diameter of 1''.
- Can you produce according to my samples?
- Yes, we can produce by your samples or technical drawings and build molds.
- What is the delivery time?
- Generally, it takes 30 to 60 days after receiving advance payment.
- What are the terms of payment?
- T/T 30% as deposit, and 70% before delivery.
- How do you ensure product quality?
- We have 100% test before delivery and keep good quality to ensure benefits.
- What is the minimum order quantity?
- The minimum order quantity is 1 pallet.
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Product Groups
- RV Trailer & Caravan Trailer & Trailer Frame Chassis
- Trailer Axles & Spindle
- Brakes & Drums
- Leaf Springs & Hanger kits & Suspension
- Jacks & Couplers & Chains
- Electricals & Lights
- Tires & Wheels Assembly
- Parking Heater Assembly
- Hydraulic Lifting Kits
- Roof Air Conditioning
- Car Refrigerator
- Supper Sale
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