OB7 Stretch vs Robot Model C
Side-by-side comparison of OB7 Stretch (Productive Robotics, LLC.) and Robot Model C (Advanced Robotics) — specs, pricing, Robo Index, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Agriculture buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- OB7 StretchUnited States
- Robot Model C—
Year First Available
- OB7 Stretch2017
- Robot Model C2021
Verified Deployments
- OB7 Stretch0 Deployments
- Robot Model C0 Deployments
Layer 2: Operational
Price Range (USD)
- OB7 Stretch$24,400–$24,900
- Robot Model C$15,000
Availability Status
- OB7 StretchACTIVE
- Robot Model CACTIVE
Arm Mechanics
IP Rating
- OB7 StretchIP54
- Robot Model CIP65
Payload
- OB7 Stretch4.5 kg
- Robot Model C10 kg
Max TCP Speed
- OB7 Stretch—
- Robot Model C1 m/s
Reach
- OB7 Stretch1,000 mm
- Robot Model C2,400 mm
Degrees of Freedom
- OB7 Stretch7
- Robot Model C6
Repeatability
- OB7 Stretch±0.1 mm
- Robot Model C±0.02 mm
Robot Weight
- OB7 Stretch22 kg
- Robot Model C—
Mounting Options
- OB7 Stretchfloor, ceiling, wall
- Robot Model C—
Safety
Safety Rating
- OB7 StretchISO/TS 15066
- Robot Model CISO 10218: 2011
Force/Torque Sensing
- OB7 Stretchnone
- Robot Model Cnone
Ease of Use
Setup Time
- OB7 Stretch1 hrs
- Robot Model C3 hrs
No-Code Capable
- OB7 StretchYes
- Robot Model C—
Offline Programming
- OB7 StretchYes
- Robot Model C—
Programming Interface
- OB7 StretchDrag-and-drop
- Robot Model Cdrag_and_drop
End-Effector
Tool Flange Standard
- OB7 StretchISO 9409-1-A50
- Robot Model C—
Software & Connectivity
ROS Compatible
- OB7 Stretch—
- Robot Model CYes
Fieldbus Protocols
- OB7 StretchEtherCAT, Profinet
- Robot Model C—
Commercial
Price (USD)
- OB7 Stretch$24,400–$24,900
- Robot Model C$15,000
Warranty
- OB7 Stretch2 yrs
- Robot Model C3 yrs
Lead Time
- OB7 Stretch—
- Robot Model C2 wks
| ||
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | United States | — |
| Year First Available (values differ) | 2017 | 2021 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $24,400–$24,900 | $15,000 |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| IP Rating (priority for Agriculture buyers) (values differ) | IP54 | IP65 |
| Payload (priority for Agriculture buyers) (values differ) | 4.5 kg | 10 kg |
| Max TCP Speed (priority for Agriculture buyers) (values differ) | — | 1 m/s |
| Reach (values differ) | 1,000 mm | 2,400 mm |
| Degrees of Freedom (values differ) | 7 | 6 |
| Repeatability (values differ) | ±0.1 mm | ±0.02 mm |
| Robot Weight (values differ) | 22 kg | — |
| Mounting Options (values differ) | floor, ceiling, wall | — |
| Safety | ||
| Safety Rating (values differ) | ISO/TS 15066 | ISO 10218: 2011 |
| Force/Torque Sensing | none | none |
| Ease of Use | ||
| Setup Time (values differ) | 1 hrs | 3 hrs |
| No-Code Capable (values differ) | Yes | — |
| Offline Programming (values differ) | Yes | — |
| Programming Interface (values differ) | Drag-and-drop | drag_and_drop |
| End-Effector | ||
| Tool Flange Standard (values differ) | ISO 9409-1-A50 | — |
| Software & Connectivity | ||
| ROS Compatible (values differ) | — | Yes |
| Fieldbus Protocols (values differ) | EtherCAT, Profinet | — |
| Commercial | ||
| Price (USD) (values differ) | $24,400–$24,900 | $15,000 |
| Warranty (values differ) | 2 yrs | 3 yrs |
| Lead Time (values differ) | — | 2 wks |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Battery / Shift Runtime, TCP Speed (Collaborative), Power/Force Limiting, Safety I/O Pairs, Duty Cycle, Time to Redeploy, Tool Changer Support, Integrated F/T Sensor, Wrist Power Supply, SDK Languages, Digital Twin Support, MTBF, Path Accuracy, CaaS / Month
best in categoryweakest in categoryvalues differ
Trade-offs at a glance
Frequently asked
Who makes OB7 Stretch and Robot Model C?
OB7 Stretch is made by Productive Robotics, LLC., based in US. Robot Model C is made by Advanced Robotics.
When were OB7 Stretch and Robot Model C launched?
OB7 Stretch launched in 2017. Robot Model C launched in 2021.
How do OB7 Stretch and Robot Model C compare on the Robo Index?
OB7 Stretch scores 97/100. Robot Model C scores 52/100. The Robo Index blends specs, pricing transparency, verified deployments, and independent media coverage — see methodology for the full breakdown.
How does the reach of OB7 Stretch compare to Robot Model C?
OB7 Stretch has a reach of 1250 mm. Robot Model C has a reach of 1000 mm.
Are OB7 Stretch and Robot Model C in the same category?
Both robots are classified as Cobot on Robolist. Filters and ranking treat them as direct alternatives.
What is the realistic total cost of ownership for Cobot robots?
Hardware cost is one input. Cobot TCO also includes integration, training, downtime, and end-of-life. Our breakdown: Cobot TCO and Payback Math: Hardware, EOAT, and Zero-Fencing Savings.
What should a buyer ask vendors when choosing between OB7 Stretch and Robot Model C?
Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: Cobot Vendor Red Flags: Questions That Filter Out the Marketing.
Going deeper — picking the right robot
Cobot TCO and Payback Math: Hardware, EOAT, and Zero-Fencing Savings
6 min readCollaborative Robots
Cobot Vendor Red Flags: Questions That Filter Out the Marketing
9 min readCollaborative Robots
Running a Cobot Pilot in a Manual Production Line
9 min readCollaborative Robots
Build vs buy vs lease: which model fits a first deployment
8 min readChoosing Your First Robot
The hidden specs vendors hope you'll miss
10 min readReading the Spec Sheet
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About this comparison
OB7 Stretch vs Robot Model C compares two robots in the cobot category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robo Index is calculated.