Made in China Side Boom Large Pipelayer HGY Series For pipeline construction
INTRODUCTION
HGY70 hydraulic crawler pipelayer is a mature product developed according to the market demand and combined with the experience of the original pipelayer. This series of products adopts the domestic well-known Shantui crawler-type pipelayer special chassis, the transmission system is a trinity hydraulic transmission mode of engine, torque converter and gearbox, and the power equipment is Cummins series engines of domestic well-known brands. A low-temperature starting device is added to the whole machine, and the working device adopts full hydraulic drive, which mainly realizes three actions: lifting and lowering of the hook; swinging of the boom; lifting and lowering of the counterweight. An integral hydraulic winch drives the boom and hook separately. The jib is made of low-alloy high-strength steel and has a strong box-section welded structure. The pipelayer is equipped with a pipelayer intelligent monitor, hook automatic limit device and boom automatic limit device to monitor and control the working conditions of the pipelayer in real time. The pipelayer series products have good fretting performance and have the function of fast hook drop.
HGY70(70Tons)Technical parameters of crawler pipelayer
| project name | main parameters |
| Device model | HGY70 |
| Maximum lifting capacity t | 70 |
| Rated lifting capacity t | 59.5 |
| Machine mass t | 49 |
| Host transportation dimensions (length × width × height) mm | 5660×3400×3540(mm) |
| Host transport mass t | 37.5 |
| Average ground specific pressure kPa | 87.3 |
| Minimum ground clearance mm | 550 |
| Maximum gradeability ° | 25 |
| Applicable environment | Meet the ambient temperature of -45℃~+70℃ and the environment below 3600m above sea level |
| Engine | model | Cuminns NTA855-C360 Cummins QSNT-C345 |
| Rated power kW | 257 |
| Rated speed rpm | 2000 |
| Walk System | chassis | Chassis for pipelayers |
| Operation method | joystick |
| Speed | Forward km/h | 3.6/6.6/11.5 |
| Backward km/h | 4.4/7.8/13.5 |
| Track ground length mm | 3620 |
| Track center distance mm | 2380 |
| Track shoe width mm | 760 |
| Number of rollers | 9×2 |
| lifting system | luffing form | Wire Rope Luffing |
| Operation method | Hydraulic control handle |
| Boom | Arm length mm | 8600/9600(optional) |
| Maximum Lifting Height mm | 7050/8030 |
| Boom Luffing Angle ° | 0~86 |
| Hook speed (8 times) m/min | 0~7.0 |
| Amplitude change time (5 times) s | 32 |
| Executive standard | ISO8813 |
Feature
The lifting system adopts open hydraulic transmission with gear pump oil supply with strong anti pollution ability and self-priming ability, with stable transmission, stepless speed change, good micro motion performance and strong adaptability.
The lifting hook and boom luffing are controlled by hydraulic winch, and the counterweight retraction and release are controlled by hydraulic oil cylinder, which meets the requirements for efficiency and accuracy during pipe crane operation.
The boom is welded with HG60 high-strength steel, with light weight and high strength.


About Suhigo
- As China Specialist in Pipeline Construction Equipment Manufacturing., Suhigo can offer premium pipelayers or sideboom to help achieve the target of lifting pipe, moving to position and placing pipe. Suhigo Pipelayer Family have full line lifting weight pipelayers equivalent to International Pipelayer brand, size ranging from 25tons to 90tons. With decades experience, all pipelayers are designed to full safety, reliable performance and easy operation, can work flexible with different size pipeline construction projects throughout the globle. Up to now, Suhigo have worked with Oil Construction companies of CNPC, Sinopec and CPP.
- Looking to acquire brand new pipelayers or sidebooms for your tender ? Check out the latest introduction of Pipelayers from Suhigo. Except for brand new pipelayers, we may have some used pipelayers in stock with good quality, welcome to contact us for more information.



Why choose suhigo?
1) Suhigo is professional manufacturer, obtained ISO9001, ISO14001, GB/T28001 HSE Certificates, and CE certificate.
2) Suhigo has rich project experience with CPP, CNPC and SINOPEC branch oil construction companies.
3) Pipelayer cabin can be provided with ROPS & FOPS certificates, for option.
4) Suhigo product has exported to Russia, Middle Asia, Middle East, Africa etc.
5) Suhigo factory covers 30,000m2 and has 100+ workers including office, workshop and field service personnel.