Side-by-side comparison of RDT401 (Foshan Ruipuhua Machinery Equipment Co., Ltd.) and SZGH-1820-A (Shenzhen Guanhong Automation Co., Ltd.) — specs, pricing, Robolist Product Score, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Manufacturing buyers. Priority specs lifted to the top and marked with a target.
Manufacturer Country


Year First Available


Verified Deployments


Price Range (USD)


Availability Status


Reach


Repeatability


Payload


IP Rating (Arm)


Degrees of Freedom


Max TCP Speed


Robot Weight


Duty Cycle


Safety I/O Pairs


Controller Model


ROS-Industrial Support


Tool Changer (ISO)


Internal Cable Routing


Electrical Lines


Price (USD)


Warranty


Service Network


![]() | ![]() | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country | China | China |
| Year First Available (values differ) | 2012 | — |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $20,000 | $1,999–$12,688 |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Reach (priority for Manufacturing buyers) (values differ) | 200 mm | 1,850 mm |
| Repeatability (priority for Manufacturing buyers) (values differ) | ±0.1 mm | ±0.05 mm |
| Payload (priority for Manufacturing buyers) (values differ) | 1 kg | 6 kg |
| IP Rating (Arm) (priority for Manufacturing buyers) (values differ) | IP54 | — |
| Degrees of Freedom (values differ) | 4 | 6 |
| Max TCP Speed (values differ) | 4 m/s | — |
| Robot Weight (values differ) | 85 kg | 165 kg |
| Performance | ||
| Duty Cycle (values differ) | multi shift | continuous 24 7 |
| Safety | ||
| Safety I/O Pairs (values differ) | 24 | — |
| Controller & Programming | ||
| Controller Model (values differ) | — | Integrated (All-In-One) |
| Connectivity | ||
| ROS-Industrial Support (values differ) | none | — |
| End-Effector | ||
| Tool Changer (ISO) (values differ) | none | — |
| Internal Cable Routing (values differ) | external only | — |
| Electrical Lines (values differ) | 10 | — |
| Commercial | ||
| Price (USD) (values differ) | $20,000 | $1,999–$12,688 |
| Warranty | 2 yrs | 2 yrs |
| Service Network | regional | regional |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Battery / Shift Runtime, Path Accuracy, IP Rating (Wrist), Cycle Time (25/305/25), MTBF, Vibration Damping, Safety Category, Dual Check Safety, E-Stop Response, Safe Zone Count, Programming Languages, Teach Pendant Type, Offline Programming, Digital Twin Support, Communication Protocols, IoT / Cloud Platform, Cybersecurity Certs, Predictive Maintenance, Tool Flange Standard, Pneumatic Lines, Spare Parts Lead Time, Expected Service Life
Frequently asked
RDT401 is made by Foshan Ruipuhua Machinery Equipment Co., Ltd., based in CN. SZGH-1820-A is made by Shenzhen Guanhong Automation Co., Ltd., based in CN.
RDT401 scores 59/100. SZGH-1820-A scores 47/100. The Product Score blends specs, pricing transparency, verified deployments, and independent media coverage — see methodology for the full breakdown.
RDT401 has a reach of 200 mm. SZGH-1820-A has a reach of 1850 mm.
Both robots are classified as Industrial Arm on Robolist. Filters and ranking treat them as direct alternatives.
Hardware cost is one input. Industrial Arm TCO also includes integration, training, downtime, and end-of-life. Our breakdown: TCO of a 6-Axis Arm Cell: Hardware, EOAT, Integration, Programming.
Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: Industrial Arm Vendor Selection: Capability Matrices and Proof Points.
Going deeper — picking the right robot
TCO of a 6-Axis Arm Cell: Hardware, EOAT, Integration, Programming
7 min readIndustrial Arms
Industrial Arm Vendor Selection: Capability Matrices and Proof Points
9 min readIndustrial Arms
Programming Approaches: Teach Pendant, Offline, AI-Assisted — What Each Costs You
8 min readIndustrial Arms
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
RDT401 vs SZGH-1820-A compares two robots in the industrial-arm category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robolist Product Score is calculated.