Longwall drum coal shearer · 2026 · 10 models
The numbers on the diagram correspond one to one with the rows below.
| No. | Component | Location | Applies to |
|---|---|---|---|
| 1 | Cutting drum | Front of the miner or end of the shearer ranging arm | 7LS (pictured model unspecified) |
| 2 | Cutting pick | Pick holders around the cutting drum perimeter | 7LS (pictured model unspecified) |
| 3 | Ranging arm | Between the shearer body and cutting drum | 7LS (pictured model unspecified) |
| Component |
|---|
| Ranging arm gear drive |
| Haulage gearbox |
| Curved coal deflector |
| Coal breaker |
Models with the same components are grouped together; select a group to open its component table.
Models: 7LS1A, 7LS1D, 7LS2A, 7LS2B, 7LS3A, 7LS5, 7LS5B, 7LS6, 7LS6C, 7LS8
| No. | Component | Location |
|---|---|---|
| 1 | Cutting drum | Ranging arm ends at both ends of the machine |
| 2 | Cutting pick | Cutting position on the drum surface |
| 3 | Ranging arm | Between the drum and the machine body |
| Ranging arm gear drive | Internal transmission mechanism of the ranging arm | |
| Haulage gearbox | Travel drive section of the machine | |
| Curved coal guide plate | Coal loading guide position near the drum | |
| Coal crushing device | Material passage in the shearer body |
The 7LS Longwall drum coal shearer covers 10 models: 7LS1A, 7LS1D, 7LS2A, 7LS2B, 7LS3A, 7LS5, 7LS5B, 7LS6, 7LS6C, 7LS8. Former and renamed designations are listed in the models table on this page.
The 7LS Longwall drum coal shearer is also documented under these designations: 7LS1A, 7LS1D, 7LS2A, 7LS2B, 7LS3A, 7LS5, 7LS5B, 7LS6, 7LS6C, 7LS8.
The 7LS Longwall drum coal shearer is listed under the Joy brand as: Longwall drum coal shearer. Period: 2026. Status: Historical model.
7 components are recorded, including: Cutting drum, Cutting pick, Ranging arm, Ranging arm gear drive, Haulage gearbox, Curved coal guide plate, Coal crushing device. The full list with locations is in the components table on this page.
Model-specific components with their own page: Cutting drum, Cutting pick, Ranging arm, Ranging arm gear drive, Haulage gearbox, Curved coal guide plate, Coal crushing device (7 in total).
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