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How Many ADTs Do I Need?
A practical load-and-haul guide for matching ADT numbers to excavator size, haul distance, cycle time and production target.
- Machine selection factors
- Project planning guidance
- Related equipment links
- Quote support
What this guide helps you decide
A practical load-and-haul guide for matching ADT numbers to excavator size, haul distance, cycle time and production target. The best option depends on site access, ground conditions, material type, working distance, loading method, hire duration and production target.
Project Plant Hire can assist with machine availability, wet hire options, lowbed transport, attachments and practical fleet recommendations based on the work you need completed.
Key selection factors
Excavator loading rate
The number of ADTs should match the excavator bucket size and loading cycle so the excavator is not waiting for trucks.
Haul distance and route
Longer hauls, soft ground, gradients and tight turning areas increase cycle time and may require more ADTs.
Payload class
30 ton, 40 ton and 45 ton ADTs serve different production levels, ground conditions and loading equipment.
Quick recommendation table
| Situation | Best starting option | Typical use |
|---|---|---|
| Short internal haul | 20–30 ton ADT | General bulk earthworks, construction platforms and shorter routes |
| Mining or quarry haul | 40–45 ton ADT | Higher volume movement, rough ground and heavier material |
| Longer cycle or steep route | Additional ADT units | Keeps the excavator productive while trucks travel, tip and return |
Common mistakes to avoid
- Choosing equipment only by hourly rate instead of output and total project cost.
- Ignoring haul distance, access restrictions, tipping space or loading conditions.
- Using one machine type when a balanced fleet would complete the work faster.
- Booking equipment before confirming ground conditions, attachments and mobilisation requirements.
Related equipment and guides
Browse related equipment
Frequently asked questions
Can Project Plant Hire recommend the correct machine?
Yes. Send the site location, project type, material, access conditions and expected hire duration and we can recommend suitable options.
Do you offer wet hire?
Wet hire can be discussed depending on machine availability, location and project requirements.
Can machines be supplied with support equipment?
Yes. Many projects require combinations such as excavators with ADTs, rollers with water bowsers, crushers with screens or lowbeds for mobilisation.
Need help choosing?
Send us your project details and we’ll help match the correct plant hire option.