Kaiping Zhonghe Machinery Manufacturing Co., Ltd
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2024 Zhonghe Machinery Catalogue 3M.pdf
1) Type: two-stage (long arm), three-stage (removal arm)
Two-stage type is mainly used in the transfer of soil, sand, concrete and other building materials, highway slope maintenance, river dredging and so on.
The three-stage type is mainly used to demolish tall buildings.
2) Optimized material selection: Q345B, Q690D, Hardox400/450/500
3) Advanced manufacturing process and technology with global standards
4) Suitable for all excavator models. OEM services are also available
5) Warranty: 1 year boom, 6 months cylinder and connecting rod, 3 months bucket.
Sumilation parameters of ZH long reach attachments
| Excavator Ton | Total Length(mm) | (A)Boom (mm) | (B)Arm (mm) | Maximum Digging Radius(mm) | Maximum Digging Depth(mm) | Maximum Unloading Height(mm) | Maximum Digging Height(mm) | Bucket Volume(cbm) | Cylinder(ton) |
| 11-15T | 13000 | 7250 | 5750 | 11200 | 9000 | 7550 | 9350 | 0.15-0.3 | 12T |
| 20-25T | 15400 | 8220 | 7180 | 14500 | 11300 | 10400 | 12600 | 0.4-0.6 | 12T |
| 20-30T | 18000 | 10000 | 8000 | 17300 | 13000 | 11800 | 14000 | 0.4-0.7 | 12T |
| 35-40T | 20000 | 11000 | 9000 | 19200 | 14900 | 12900 | 15200 | 0.6-1.2 | 12T |
| 40-45T | 22000 | 12000 | 10000 | 21300 | 16000 | 14000 | 17000 | 0.5-1 | 20T |
| 40-50T | 24000 | 13000 | 11000 | 23000 | 17900 | 15200 | 18100 | 0.5-1.1 | 20T |
GOOD SERVICE:
1. Online support within 24 hours.
2. Appointment video technical support.
(Our engineers have focused on excavator boom and attachment over 10 years)
3. Long excavator boom shall be two/three jointed pcs to make it fittable into container to save shipping cost.
WARRANTY
1 year for long reach boom, 180 days for cylinder and linkage, 90 days for bucket.
6. Hydraulic grabs for excavators
Q1: Why is there no boom and bucket rod cylinder in the scheme?
A1: First, the entire long arm is lengthened, but the boom is lengthened only from the middle sleeve to the end, so the original boom and bucket rod cylinder can be used. Secondly, using the original parts can save you costs.
Q2: How long can a small excavator be equipped with a boom? Do you need to increase the counterweight?
A2. Generally speaking, the longest arm of 30-40 excavators is recommended to be 8 meters long, and 0.1cbm bucket can be configured without additional weight. It is recommended that the longest arm length of the excavator be 12 meters, the bucket of 0.1-0.15 cubic meters can be configured, and the weight should be 0.5 tons. It is recommended that the longest arm length of the 60-80 excavator be 12 meters, the bucket of 0.15 to 0.25 cubic meters can be configured, and the weight should be 0.5-0.7 tons.
It is not recommended to extend the boom to its maximum length because small excavators are prone to shaking.