China Heavy Dolly Trailer

Product Details
Customization: Available
Type: Semi-Trailer
Load Capacity: Heavy Trailer
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Number of Employees
2
Year of Establishment
2010-10-29
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Basic Info.

Model NO.
dolly
Certification
ISO9001
Wheel Base
Heavy Trailer
Tread
Heavy Trailer
Grade
Heavy Trailer
Types of Suspension Systems
Heavy Trailer
Shape
Heavy Trailer
Axle Number
as Per Requirement
Tire Number
as Per Requirement
Self-dumping
Not Self-dumping
ABS Anti-lock Braking System
Heavy Trailer
Material
Steel
Condition
New
Special Character
Customizing
Transport Package
Nude Pack
Trademark
HYZER
Origin
China
HS Code
87164000
Production Capacity
60sets Per Year

Product Description

The steering dolly trailer or steerable dolly trailer are the efficient supplementary trailer, which are widely used for long beam and heavy duty cargo when low bed trailers are not suitable to transport. meanwhile, with help of turntable(bolster), steering dolly trailer or steerable dolly trailer could make the transportation with minimum turning radius. They are also called precast concrete beam trailer or section trailer. 
Weight distribution of semi low-bed trailer normally is half-half, 50% of total weight is on top of rear axles (rear axles could be up to 16 tires), other 50% is on top of prime mover. So, if cargo is too heavy, prime mover will be in overload condition. Then, steering dolly trailer or steerable dolly trailer are designed to bear more weight under king pin of gooseneck to relieve pressure on tractor, to make sure every part are in more safe condition during transport process.
The towing dolly can increase capacity of a single trailer and share the pressure from gooseneck. Two steerable dolly trailers can be used as a group to transport long cargo, such as precast concrete long beam. Putting turntables (bolsters) on top of dolly, it is the most economic and efficient way to transport long beam cargo. This method can get both high carrying capacity and small turning radius. For heavier long cargo, long beam trailer or hydraulic multi axle trailer could be used to transport it. Most of dollies adopt mechanical suspensions, if any, they can be replaced to air or hydraulic for different purposes.

Main Functions of Steerable Dolly Trailer:Decrease turning radius

Increase carrying capacity
Features of Steering Dolly Normally the dolly has 1 axle to 3 axles.
Optional power pack make dolly manually steerable.

 

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