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Semi trailer
Semi trailer

 

No

ITEM

Quantity/Unit

MODEL

1

BAOMING King-pin

1

Welding

2

Leg

1set

FUWA

3

Steel plate spring Suspension 7 piece/90*16

6

FUYUAN

4

Mechanic suspension of three axle

1set

GUANGDONG FUWA FW880

5

Axle

3

FUWA 13T

6

Rim 8.50-20

12

ZHENGXING 8.50-20

7

Tire 12.00-20

12

TRIANGLE TIRE 

 

8

 

Electric system

Bunch + Lamps

1 set

Sealing XIAN-torch strand as a unit and lamps

seven core socket

1

DONGGANG

 

9

Braking system

Emergency relay valve

2

Haldex

Air reservoir

2

40L

Double braking chamber

4

30/30

Single braking chamber

2

30

Handle joint

1/1

ISO Standard joint

 

 

Handle valve

1

Pneumatic

 

 

ABS System

1

WABCO

10

Spare tire support

2

 

11

Tool box

1

1.2m standard tool box

12

lock

12

1set of 40”,2 sets of 20” 

What is a semi-trailer?

A semi-trailer is a trailer without a front axle. A large proportion of its weight is supported by a road tractor, a detachable front axle assembly known as a dolly, or the tail of another trailer. A semi-trailer is normally equipped with landing gear (legs which can be lowered) to support it when it is uncoupled.

A road tractor coupled to a semi-trailer is often called a semi-trailer truck or semi in the US and an articulated lorry or artic in the UK. The fifth wheel on a truck connects to a semi trailer Kingpin. Kingpins come in many guises, however the most common within the UK market is the 2.0" (50.8mm) EEC approved type. This Kingpin is fully interchangeable and, given a strict maintenance schedule, it should last the life of a trailer.

In Australian English, the tractor unit is usually referred to as a prime-mover; and the combination of a prime-mover and trailer is known as a semi-trailer or semi. Semi-trailers with two trailer units are called B-Doubles (or in American English often just doubles), and in some cases (especially when there are three or more trailers), road trains. A B-double consists of a prime mover towing two semi-trailers, where the first semi-trailer is connected to the prime mover by a fifth wheel coupling and the second semi-trailer is connected to the first semi-trailer by a fifth wheel coupling. A road train means a combination, other than a B-Double, consisting of a motor vehicle towing at least two trailers (counting as a single trailer a converter dolly supporting a semi-trailer).

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