Equipment Guide · Safety-Critical
How to Use a Vacuum Excavator (Ditch Witch FX60)
Vacuum excavators use pressurized water or air plus powerful suction to dig safely around buried utilities ('potholing' or hydro-excavation). This is specialized equipment requiring training; this is an overview only.
Safety first: This equipment can be hazardous if operated incorrectly. This guide is a general overview — always follow the unit's manual, use proper PPE, and contact Allied Rental Company's team for hands-on guidance. It does not replace professional training.
⚠ Safety essentials
- This equipment requires trained operators — improper use around utilities is dangerous. Always call 811 to locate utilities before digging.
- High-pressure water can cause serious injury; keep body parts clear of the nozzle.
- Wear full PPE: eye protection, gloves, waterproof gear and steel-toe boots.
- Manage the spoil/slurry safely and follow disposal regulations.
Step by step
Locate utilities first
Call 811 and confirm all buried utilities are marked before any excavation.
Set up the unit
Position the excavator, and prepare the water or air supply and the spoil tank per the manual.
Break up soil
Use the pressurized water or air lance to loosen soil in the dig area, keeping clear of the nozzle stream.
Vacuum the spoil
Use the suction hose to remove loosened soil/slurry into the debris tank.
Work carefully around utilities
Excavate gradually and carefully as you approach marked utilities.
Manage spoil & shut down
Dispose of spoil per regulations and shut down following the unit's procedure.
Rent this equipment
Allied Rental delivers, sets up and supports across the San Francisco Bay Area — and our team walks you through safe operation.