ACR IronBot vs Built Robotics Autonomous Excavator
Head-to-head comparison of Advanced Construction Robotics ACR IronBot and Built Robotics Built Robotics Autonomous Excavator. Updated 2026.
Last updated: May 9, 2026
Overall Score
76.4/ 100
ACR IronBot
Advanced Construction Robotics
76.2/ 100
Built Robotics Autonomous Excavator
Built Robotics
Score Breakdown
82
Performance82
78
Reliability78
74
Ease of Use70
76
Intelligence84
78
Value68
56
Ecosystem60
84
Safety80
68
Design70
Specs Comparison
| Spec | ACR IronBot | Built Robotics Autonomous Excavator |
|---|---|---|
| Price | $120,000 | $350,000 |
| Nav | GPS + rebar grid detection | RTK GPS + LiDAR + IMU |
| Speed | 5x manual tying | — |
| Safety | Eliminates worker bending | Geo-fenced exclusion zones |
| Terrain | Rebar grid traversal | — |
| Application | Slab rebar tying | — |
| Ties Per Hour | 1100 | — |
| Type | — | Autonomous excavator retrofit |
| Tasks | — | Mass excavation, trenching, backfill |
| Autonomy | — | Fully autonomous dig cycles |
| Operating Weight Tons | — | 20 |
Buyer Intelligence
| Metric | ACR IronBot | Built Robotics Autonomous Excavator |
|---|---|---|
| Vendor Health Score | — | — |
| 5-Year TCO Estimate | $168,000 | $490,000 |
| Annual Maintenance | — | — |
| Support Model | — | — |
| Safety Certifications | — | — |