Trailer king pin

The trailer king pin sold by DARO Group have the characteristics of rust resistance, wear resistance, and high cost-effectiveness. The raw materials are carefully selected, selected from high-strength and high toughness alloy steel, and made by cold forging. They have excellent heat resistance, wear resistance, and corrosion resistance. Strictly comply with the relevant requirements of GB/T 4606-2006/ISO 337:1981 and GB/T 4607-2006/ISO 4086:2001, with strict production specifications and standards, and is widely used in the industry.


Product Name:King pin

Application:for semi trailer

Certification:ISO 9001

Color:black, silver

Model:2"、3.5"

  Contact Now
Product Details

Products Description


The trailer king pin sold by DARO Group at wholesale prices are specifically designed for heavy-duty trailers, with reliable strength and better toughness, providing stable and reliable traction, avoiding detachment or breakage, and ensuring driving safety. The product models are diverse, with complete shapes such as mushroom, cross, double spoon, and "l" styles. Welding and assembly styles can be selected according to needs.


Trailer king pin

Trailer king pin

2" (diameter 50 mm) trailer king pin processing production using GB/T 4606-2006/ISO 337:1981 standard, the full name of the standard "road vehicle semi-trailer seat No. 50 traction pin basic dimensions and installation, interchangeability dimensions".

3.5" (90mm diameter) trailer king pin processing production using GB/T 4607-2006/ISO 4086:2001 standard, the full name of the standard "road vehicle semi-trailer seat 90 traction pin basic dimensions and installation, interchangeability dimensions."

GBT 15088-2009 Traction Pin Strength Test for Road Vehicles is used as the standard for strength test of 2 "and 3.5" trailer king pins.


Product Paramenters


Trailer king pin

Trailer king pin

Control details of excellent quality --

DARO implements the quality strategy, insists on quality first, and strictly controls every link in the production process to ensure the qualified rate of products.


Heavy industry equipment high energy output --

DARO adopts international production equipment, and has automatic production capacity from raw material delivery to finished product processing. Painting and axle production lines have reached intelligent automatic production.


Quality assurance --

Equipped with a variety of testing devices, on-site product quality audit, from raw materials to every link of the production process, the quality control system tracking, to ensure that the product output of the whole line qualified.

Trailer king pin

Leave your messages