professional supplier of
construction machinery equipment


Short Description:

TR228H is a stare industrial and civil construction rig, which is suitable for Pile foundation of urban subway, middle and high-rise buildings, etc. This model can achieve low headroom and is suitable for special construction scenarios such as low factory buildings and bridges.

Product Detail

Product Tags


1.ALL-electric control technology

Innovative design of the industry’s first all-electric control technology, which is controlled by electrical signals throughout the entire process, subverts the traditional control method of rotary drilling rigs, and possesses super-generation technical advantages.

2.Core component upgrade

A new layout of the vehicle structure; The latest Carter rotary excavator chassis; A new generation of power heads, high-strength twision resistant drill pipes; hydraulic components such as main pumps and motors are all equipped with large displacement.

3.Positioning high-end

Guided by marker demand and guided by technological innovation, it is positioned to develop high-quality pile foundation construction machinery to solve the problems of low construction efficiency, high construction cost and severe pollution of ordinary drilling rigs, and to provide high-end quality products for construction enterprises.

4.Smart solutions

It is positioned to provide customers with overall construction solutions, especially in complex application environments and geological conditions, to improve the construction revenue of construction projects and achieve win-win cooperation with customers. Realize win-win cooperation with customers.

Specification for standard Kelly bar

Friction Kelly bar: ∅440-6*14

Interlock Kelly bar: 440-4*14

Dimensional drawing of folding mast
Main parameters Parameter Unit
Max. drilling diameter 1900 mm
Max. drilling depth 76 mm
Rotary drive    
Max. output torque 240 KN-m
Rotary speed 6~27 rpm
Crowd system    
Max. crowd force 210 KN
Max. pulling force 270 KN
Stroke of crowd system 5000 mm
Main winch    
Lifting force (the first layer) 240 KN
Wire-rope diameter 32 mm
Lifting speed 65 m/min
Auxiliary winch    
Lifting force (the first layer) 100 KN
Wire-rope diameter 18 mm
Mast inclination angle    
Left/right 5 °
Forward 4 °
Chassis model CAT330NGH  
Engine manufacturer 卡特彼勒CAT CATERPILLAR
Engine model C-7.1e  
Engine power 195 KW
Engine power 2000 rpm
Chassis overall length 4920 mm
Track shoe width 800 mm
Tractive force 510 KN
Overall machine    
Working width 4300 mm
Working height 21691 mm
Transport length 15320 mm
Transport width 3000 mm
Transport height 3463 mm
Total weight (with kelly bar) 64.5 t
Total weight (without kelly bar) 54.5 t

1.Packaging & Shipping 2.Successful Overseas Projects 3.About Sinovogroup 4.Factory Tour 5.SINOVO on Exihibition and our team 6.Certificats 7.FAQ

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