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Knott K35-a Ball Hitch for a 3500kg Trailer with a 50mm Pipe Drawbar, Cast Iron

Name: Knott K35-a Ball Hitch for a 3500kg Trailer with a 50mm Pipe Drawbar, Cast Iron
Brand: Ningbo Harsco Machinery Co., Ltd.
SKU: WUeryzIHXEcN
Price: 5.00 USD
Availability: InStock

US$5.00-30.00 500 Pieces (MOQ)

Port:

Ningbo, China

Production Capacity:

50000PCS/Y

Payment Terms:

L/C, T/T, D/P, Western Union, Paypal, Money Gram

Send Inquiry

Ningbo Harsco Machinery Co., Ltd.

Zhejiang, China

Last Login Date:

Oct 23, 2025

Main Products:

Trailer Axle, Trailer Jack, Trailer Brake, Trailer Light, Trailer Winch, Trailer Leaf Spring, Stub Axle, Trailer Part

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Product Description

Company Info

Basic Info.

Model NO.

TCH021

Loading Weight

2700kg

Material

Steel

Type

Standard Coupler

Product Name

Trailer Coupling Head

Materials

Steel

Drawbar Profile

Tubular

Drawbar

50 mm

Gvw

3500kg

Nose Load

150 Kg

Mounting Hole Spacing

54 mm

Mounting Hole Diameter

12,5 mm , 14,5 mm

Coupling Wear Indicator

Yes

Indicator of Proper Connection

Trademark

HARSCO

Transport Package

Carton Box

Specification

3000kg

Origin

China

HS Code

87089910

Product Description

KNOTT K35-A ball hitch for a 3500kg trailer with a 50mm pipe drawbar, cast iron

The K35A ball hitch coupling from KNOTT is engineered for heavy trailers up to 3,500kg GVW, delivering unmatched durability thanks to its cast iron construction. It mounts effortlessly on a 50mm tubular drawbar, providing a rocksolid connection and a permissible vertical (nose) load of 150kg for optimal weight distribution and towing stability.

Set Includes:

1× K35A ball hitch coupling
1× M12 screw & nut
1× M14 screw & nut
1× Protective pad
Compatible with KNOTT KFG30 overrun device

Key Features:

HeavyDuty Strength: Cast iron body for maximum load resistance
Quick Fit: 50mm drawbar mounting for fast installation
Load Indicator: External wear marker shows when service or replacement is due
AntiCorrosion: Precision galvanizing creates a zinc barrier against rust, moisture, road salt, and temperature extremes

Whether you're a professional trailer operator or a demanding weekend hauler, the K35A coupling ensures safe, reliable towing under the toughest conditions.

Product Name	GVM	Drawbar profile
Trailer coupling head	3500KGS	Tubular

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.

Address: Rm 888, Building G, 959 E-Commerce Park, Panhuo Street, Yinzhou, Ningbo, Zhejiang, China

Business Type: Trading Company

Business Range: Auto, Motorcycle Parts & Accessories, Transportation

Management System Certification: ISO 9001, ISO 9000

Main Products: Trailer Axle, Trailer Jack, Trailer Brake, Trailer Light, Trailer Winch, Trailer Leaf Spring, Stub Axle, Trailer Part

Company Introduction: Established in 2016, Ningbo Harsco Machinery Co., Ltd. Has been committed to becoming a trusted partner in the global commercial vehicle industry. Strategically located in Ningbo, Zhejiang Province-China's manufacturing hub-the company leverages its geographic advantages and innovative capabilities to emerge as a leading integrated solutions provider specializing in the R&D, production, and distribution of steel wheels and trailer components.

Core Manufacturing Competencies

As an ISO 9001: 2015-certified enterprise, we operate a 20, 000-square-meter modern production base equipped with fully automated laser cutting lines, CNC precision stamping systems, and robotic welding stations. With an annual output exceeding 2 million steel wheels and 1.5 million trailer parts, our product portfolio spans 8 core categories:

Axle System Solutions

Custom axle assemblies: Straight/Drop/Overlay/Stub Axle Kits

Braking components: Non-Braked Hub Kits, Disc/Drum Brake Kits

Precision drivetrain parts: Bearings, Flanges, Spindles, Universal Joints

Suspension & Chassis Systems

Suspension kits: Multi-Leaf Spring Assemblies, Equalizer Beams

Chassis reinforcement: U-Bolt Kits, Hanger Brackets

Shock absorption: Rubber Bushings, Damper Linkages

Intelligent Coupling Systems

Towing devices: Straight/A-Frame/Gooseneck Couplers

Safety locks: Anti-Disengagement Pins, Theft-Proof Hitches

Smart adjustment: Electric Trailer Jacks, Auto-Leveling Systems

Specialized Transport Accessories

Marine trailer solutions: Keel Roller Assemblies, Anti-Wobble Rollers

Off-road enhancements: Wheel Spacers, Heavy-Duty Fenders

Lighting & electrical systems: Waterproof LED Clusters, Wiring Harnesses

Technological Innovation

Our provincial-level R&D center holds 18 utility patents and 3 invention patents. By integrating German EMA testing equipment and Japanese CMMs (Coordinate Measuring Machines), we ensure 100% compliance with DOT, TUV, and GB/T standards. Notably, our proprietary high-strength dual-phase steel wheels achieve 15% weight reduction and 20% higher load capacity compared to conventional designs.

Global Service Network

Capitalizing on Ningbo-Zhoushan Port's logistics advantages, we have established a worldwide distribution network spanning 65 countries, offering:

Customized production: ODM/OEM services with prototypes delivered within 5 working days

Engineering support: A 10-member technical team for load analysis and system integration

Quality assurance: 3-year warranty with lifetime maintenance guidance

Flexible delivery: FCL/LCL shipments under EXW/FOB/CIF terms

Strategic Partnerships

Guided by the philosophy of "Quality Builds Foundations, Service Drives Excellence, " we supply tier-2 components to global leaders like BPW (Germany) and Dexter Axle (USA). Our products are widely applied in:

Port container transporters

RV chassis systems

Heavy-duty equipment trailers

Marine transport carriers

Access Product Resources

Download the latest 2024 Q2 English catalog and technical manuals from our Made-in-China. com flagship store. For custom requirements, submit drawings to our email to receive feasibility assessments and competitive quotations within 24 hours.

Vision for the Future

Ningbo Harsco remains dedicated to advancing smart transport solutions through annual R&D investments exceeding 5% of revenue. We invite global partners to collaborate in shaping the future of commercial vehicle components.

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Knott K35-a Ball Hitch for a 3500kg Trailer with a 50mm Pipe Drawbar, Cast Iron

Product Description

Company Info

Basic Info.

Product Description

KNOTT K35-A ball hitch for a 3500kg trailer with a 50mm pipe drawbar, cast iron

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