Low bed semi trailer-Product-Wolwa Group Co., Ltd.

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Specifications

Tare Weight	About 8.5-13T
Dimension	13000mm ×3000mm-3500mm×1650mm (Size can be tailored to suit individual needs.)
Loading Capacity (T)	40T-100T
Axle	13 T/16T, FUWA /BPW /Huajing Brand
Rim	6.5-20/7.5-20/8.00-20/8.5-20 (specially intended for oversea market)
Tire	8.25R20/10.00R20/11.00R20/12.00R20
Suspension	Mechanical suspension (German or American type) or air suspension (Chinese brand or BPW brand ) (specially intended for oversea market)
Spring Leaf	90(W)mm×13(Thickness)mm×10 layers or 100mm×12mm×12layers (specially intended for oversea market)
King Pin	JOST brand 2.0 or 3.5inch (bolted or welded type)
Landing Gear (support leg)	JOST brand D200T or Chinese brand 28Tons (Double speed)
Main Beam	Height: 450mm-520mm Upper plate: 14mm-25mm Middle plate: 8mm-12mm Lower plate: 16mm-25mm; Material: Q345B Steel
Side Beam	16mm -30mm steel channel (Material: Q235steel)
Bottom Platform	3-6mm thick checkered plate
Ladder	Manually operated or hydraulic type
Gooseneck	Optional
Brake Chamber	WABCO RE 6 relay valve; T30/30+T30 spring brake chamber (TKL brand); 45L air tanks (Specially intended for oversea markets)
ABS	Optional
Twist Locks	Four ,Eight or Twelve pieces (lifting type or screw type)
Valve	WABCO valve
Light	LED light(Specially intended for oversea markets)
Voltage	24V
Socket(Receptacle)	7-pin Socket (for 7 wire harness)
Tool Box	1m × 0.5m × 0.5m (The tool box contains 1 tire spanner, 1 gudgeon sleeve and 1 cranking bar. Its size can be tailored to suit your needs.)
Semi Trailer Surface Coating	Sandblasted, anti-rust chassis surface is available with 1 layer of anticorrosive primer and 2 layers of top coats.
Shipping Terms	Transported by the bulk carrier in an RORO or 40HQ container.

Introduction

The low bed semi trailer goes by many names. Lowboy, low loader, and float are just a few.

The low bed semi trailer is so named because it has a load floor that is so close to ground. There are no rails installed around the four sides of the floor. Available with a large or small gooseneck feature, the trailer has an unlimited number of uses but is primarily employed in long-distance freight transport system to carry heavy equipment such as excavator, crane and road roller.

Low bed design means a low center of gravity, which makes it more stable and safe to use than an ordinary semi trailer.

Applications
1. Heavy-duty bus including road tractor, large passenger car, specialized automobile
2. Railway vehicles
3. Mining machinery
4. Forestry machinery
5. Agricultural machinery such as excavator, bulldozer, loader, paver, crane
6. Other heavy equipment transportation applications that require the trailer to underpass with a large overhead clearance

Structures
The low bed semi trailer is comprised of three parts.

The front part is a gooseneck structure. At one end of the gooseneck is a kingpin, which needs to be inserted into the slot of the fifth wheel on the tractor unit. The other end of the gooseneck is connected to the trailer. The middle part is a sunken deck for loading goods. It is the lowest among the three parts. The rear part is an assembly of wheels and platform.

Machinery is loaded onto the deck from the rear part of the semi trailer via a ramp. Users can remove the wheels of the machinery prior to loading. The machinery needs to be secured in place on the deck whose minimum height is 800mm. The trailer can have exposed or recessed tires. It also can be custom designed to meet your specific requirements.

Axle
High quality axles are purchased from professional manufacturers, able to withstand heavy load without deformation. The ABS brake system is adopted to allow more steering ability by slightly releasing the brakes during a driving emergency whereas conventional brakes completely block the wheel, which might cause the vehicle to skid to one side or its back end swing out from the road. In a nutshell, with the ABS you'll stop faster and drive more safely.

Suspensions
Unique suspension system has great impact strength, and is used to equalize loads over all axles. Its trailing arm angle is set at a proper level to reduce the skid distance produced due to the friction between the tire and road surface, thereby easing tire wear. The axle track of the trailer can be adjusted via the trailing arms to avoid uneven tire wear as well as tire bite. Axle blocks are one-piece castings. The lower axle block is made with patented technology.

Braking
The dual air brake system is used to deliver reliable braking performance. Air storage tank can release air to activate the air brake for keeping the car motionless while it is parked. Upon your request, we can increase the number of twist locks on your semi trailer to facilitate container transportation.

Low bed semi trailer