Extendable Flatbed Trailer
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Extendable Flatbed Trailer

The extendable flatbed trailer is a 2 to 6-axle flatdeck semi-trailer that is extendable up to four times to a maximum overall length of 65 metres.
Product Description

strech trailer or say  Extendable Flatbed Trailer can extendable up to 65 m with up to 6 axle for long distance hauling transport with  different type of wind mill components, such as tower segments, turbine, rotor or turbine blades.

Extendable Flatbed Trailer

Extendable Flatbed Trailer

strech trailer

strech trailer

double expandable trailer

double expandable trailer


double expandable trailer Up to 4x extendable (> 65m)

■ Lightweight construction

■ Large steering angle (55°)

■ Low loading deck height

■ Particularly versatile

■ High payload

■ Various axle systems: 

■ Turntable steering

■ Knuckle steering

■ Hydraulic swing axle

Technical Specifications

Fifth Wheel Load (kg)


Axle cumulative Load (13MT/axle)


Rated (maximum) payload (kg)


Dead weight (kg)


Full load rating (maximum) speed (km / h)


Dimensions (length X width X height) (mm)

(17m X 2.7m X 1.5m / max51m)

Tire size

825R20 Radial

Rim size

 7.50-20 (10 holes)   for 12 + 1

Tires no


Axle type

FUWA – 3 axle

ABS Type

Wapco - 3 axle

King pin size

JOST 50 # (50.8mm)

Frame type

Flat bed

Pneumatic Wiring

Should be inside First Boom

Main beam cambering


Main beam at full extension (empty)

50mm above bed height

Main beam at loaded condition

Not less than trailer bed height (1500mm)

Main beam material


Landing gear

25 ton JOST – 2 at goose neck, 1 at last frame (foldable)

Steering angle

55 degrees turning

Kingpin position from front



Dual pipe control on all wheel per axle

Fifth wheel height(mm)

1,350(empty load)

Extendable lock

Pneumatic operated pin lock


Air bag per axle 2no, Goodyear size 360

Trailer Color

China Red , RAL 3002

Under carriage Color

Anthrasite Grey, RAL 7016 Control Valves,

Air below individual leveling valve

To be mounted at second axle, individual control

Steering Lock valve

For highways, lock steering

Steering control valves

Manual valve + Remote control

Steering powering

Dynamo: pump pressure will be tested for 220bar, flow pressure 12.7bar. Dynamo should be minimum 3000W to achieve this, currently less than 2000W

Boom lock Frequency

1 boom lock per meter

Spine lock actuator

30/30 Pneumatic

Paint Thickness

80microns minimum thickness

Logo Die Cast

– 3 (Left)+3 (Right)+1(Rear) per trailer

Bull guard/ Lashing

Safety Lights LED Red

extendable trailer in loading test

extendable trailer in loading test

stretch trailer steering test

stretch trailer steering test

extendable trailer when full extend

extendable trailer when full extend

Product Application 

Wind power plants (tower segments, rotor or turbine blades)

■ Structural elements (steel and concrete elements)

■ Roof constructions

■ Bridge elements

■ Construction and farming machines

■ Other bulky goods and long material


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Contact Us

Shanghai Ruiqianhe Imp & Exp Co.,Ltd
Address: 41-421, No.1818, Lianhang Road, Shanghai, China
Tel: +86-21-34780290
Fax: +86-21-34780291
Mob: +86-13906107837
E-mail: info@heavydutymodule.com


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