Heavy Duty Knott Trailer Axle Shock Absorber Suspension Shock Absorber for Trailers for Axle 750-1800kg Single/Tandem

• Customization: Available
• Loading Weight: 1500-3000kg
• Material: Steel
• Model NO.: TSA023
• Type: Air Suspension
• Product Name: Axle Shock Absorber
• Extended Length: 220 to 335mm(±2mm)
• Color: Black
• Shape: Round
• Capacity for Single Axle: 750kg
• Capacity for Tandem Axle: 1800kg
• Transport Package: Carton Box
• Specification: 700-1800kg
• Trademark: HARSCO
• Origin: China
• HS Code: 87089910
• Production Capacity: 50000PCS/Y
• Package Size: 50.00cm * 10.00cm * 10.00cm
• Package Gross Weight: 2.000kg

Product Description

description

KNOTT shock absorber for trailer axles 750-1800kg for single and tandem axles

 

OEM hydraulic shock absorber engineered for single-axle trailers with KNOTT braked systems (750-1800kg capacity). Delivers precision vibration damping, enhanced road safety, and extended suspension component life.

Technical Specifications:

Parameter	Measurement
Extended Length	335 mm (eyelet-to-eyelet)
Compressed Length	220 mm (eyelet-to-eyelet)
Piston Diameter	30 mm
Mounting Hole Diameter	12 mm
Operating Temperature	-30°C to +80°C
Axle Compatibility	KNOTT Braked Axles Only

Key Features & Benefits:
 Precision Damping Performance

• Optimized hydraulic fluid dynamics for 70% vibration reduction

• Maintains tire contact on uneven roads

 Robust Construction

• Corrosion-resistant zinc-nickel plating

• Reinforced piston rod withstands 200,000+ compression cycles

• EPDM seals resist oil/road chemicals

 Safety-Critical Design

• Prevents load shift during emergency braking

• Reduces trailer sway by ≥40% at highway speeds

• Protects axle components from impact damage

 Simplified Installation

• Pre-installed sleeve eyelets enable tool-free mounting

• Direct bolt-on replacement for KNOTT systems

Maintenance Recommendation:
Replace every 50,000 km or 2 years to maintain optimal suspension performance and EU road safety compliance.

Detailed Photos

   

 

About US

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.

FAQ

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

About serivce

1-Welcome OEM

1. 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

1. You inquiry related to our products or prices will be replied in 24 hours.
2. Well-trained and experienced staffs to answer all your enquirys in fluent English.
3. Protection of your sales area, ideas of your design and all your private information.
4. We have a QC team, every product will be checked by them before packed.

3-Welcome to visit

1. 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

1. Customer should be provide the video and the pictures for the problem products.
2. Products returned within the warranty period must bear product number & date code.

5-After service

1. In production and after delivery, we will track on time and tell you goods situation.
2. 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.