Compare the path to the work, not just the final height
A telescopic boom can suit a relatively direct access path. An articulating boom can work around or over obstacles, but introduces additional positions and clearances to manage. The more suitable geometry depends on the repeated tasks and available setup locations.
Map the full boom and platform path at the required load, including nearby structures and electrical hazards. Separate maximum height and reach figures do not describe every intermediate position. Tail swing, outriggers and stowed road dimensions also affect the choice.
Check the exact envelope and the space occupied at the site
Neither boom type has an automatic height or stability advantage. Compare the proposed models, support conditions and exclusion space, then review joints, cylinders, hoses, controls and inspection access for the intended duty.
Scroll horizontally to view all columns.
| Decision | What to establish | Condition or limit |
|---|---|---|
| Reach path | Use the exact envelope and boom geometry for each target. | Maximum height or outreach does not describe every intermediate position. |
| Obstacle access | Check the complete boom and platform clearance path. | Reaching beyond an obstacle does not prove safe clearance from it. |
| Setup | Compare chassis, outriggers, tail swing and traffic occupation. | The more flexible boom may require a different exclusion zone. |
| Lifecycle | Review joints, cylinders, hoses, controls and inspection access. | Boom type alone does not predict maintenance cost or reliability. |
Send the same task sketch for both proposals
Ask suppliers to show the target positions and clearances on their exact envelopes. Include the platform load and setup restrictions. Qualified site planning and manufacturer limits determine whether either proposal is suitable.
Information to prepare for this review
- Target platform positions
- Obstacle shape and allowed boom path
- Platform load and occupancy
- Setup area and outrigger limits
- Stowed height, length and route restrictions
- Maintenance and inspection capability
Records to request and keep
- Task-position and obstacle map
- Model-specific working-envelope data
- Platform-load and setup-condition record
- Inspection, emergency-control and maintenance documentation
Common mistakes and what to check instead
- Comparing only maximum height: Overlay the full envelope and boom path on the task.
- Assuming articulation always improves access: Check obstacle, tail swing, setup point and control visibility.
- Ignoring stowed route dimensions: Verify road, depot and jobsite clearance in transport condition.
Scope of this guide
This comparison does not select a model or approve a work method.
Exact manufacturer charts and qualified site planning control the choice.
Do not use either boom type outside its load, reach, setup, wind, electrical or inspection limits.
Sources and applicability
Controls the project-input, quotation, approval and inspection workflow described in this guide.
Provides public checklists and worksheets; the signed project documents remain controlling.
Defines the relevant product family and published configuration boundaries. Project-specific ratings require the selected OEM documents.
Official U.S. reference supporting manufacturer load limits, controls, outriggers, brakes and travel checks. It is not a destination approval or KEEYAK rating.
Official U.S. guidance for worksite assessment, training, inspection, platform load, reach and stabilization. Local rules may differ.