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Xuzhou Rainbow Machinery and Equipment Co.,Ltd

Monday-Saturday 8:30 am - 17:30 pm

Tel.: +86-516-85957616

Fax: +86-516-85957616

Add.: Room 1-1826, Office Bldg. Shimao Square, Yunlong District, Xuzhou, Jiangsu, China (Mainland)

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Contact: Mr. Jerry Meng

Mobile: 86(0)18118539199

Email: rainbow@rbucket.com

Skype: rainbowcompany1688

WhatsApp: +86 137 7677 3768

Wechat:13776773768

Manual Thumb Demolition Grab | Excavator Thumb

Product introduction: Rainbow hydraulic grab does not have an own drive unit. The hydraulic drive from the excavator provides the power. It is directly connected to the suspension of the excavator and the hydraulic supply lines. Similar to the Motor grab, the closing force is transferred to the...

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Product Details

Product introduction:

Rainbow hydraulic grab does not have an own drive unit. The hydraulic drive from the excavator provides the power. It is directly connected to the suspension of the excavator and the hydraulic supply lines.


Similar to the Motor grab, the closing force is transferred to the material through a convenient lever ratio in conjunction with the proper dead weight. The only difference is that the hydraulic drive is not included in the grab. An additional way to transfer the force is the relatively rigid connection to the excavator.


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Product features:

Rainbow hydraulic grabs are specially designed for charging and discharging of sand, gravel and other bulk materials and are also available in an execution for digging or dredging purposes.


Rainbow hydraulic grabs can be executed with open or closed shells with dust covers, depending on the job and the type of material to be handled.


Rainbow hydraulic grabs are manufactured of high wear resistant steels. All bearings are heavy-duty and sealed for high performance.


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Rainbow hydraulic grabs can be executed with:

Mechanical rotator for 270˚ rotation (The mechanical rotator will standard be executed with 200mm height compensation)

Hydraulic rotator for 360˚ rotation

Hydraulic 360˚ rotation by means of slewing ring and hydro Motor

Without rotation (fitted with plate and lifting eye(s)

Optional the shells can be executed with clay ejector to push out sticky material, like clay.


Rainbow hydraulic grabs can be manufactured in any execution weight and capacity you require.


A suspension link for connection of the grab to the crane can be manufactured according to your requirements.


To match up the varying demands of the clients, Rainbow is engaged in offering extensive array of Hydraulic Grab. Rainbow provided Hydraulic Grab has been made using the best technology. They have been priced at market leading prices.


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