JEM Remote Manipulator System vs KR 120 R3900-2 K
Side-by-side comparison of JEM Remote Manipulator System (Hitachi) and KR 120 R3900-2 K (KUKA Robotics) — specs, pricing, Robo Index, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Manufacturing buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- JEM Remote Manipulator SystemJapan
- KR 120 R3900-2 KGermany
Year First Available
- JEM Remote Manipulator System2008
- KR 120 R3900-2 K2015
Verified Deployments
- JEM Remote Manipulator System0 Deployments
- KR 120 R3900-2 K0 Deployments
Layer 2: Operational
Price
- JEM Remote Manipulator SystemContact for quote
- KR 120 R3900-2 K$19,000–$84,900 USD
Availability Status
- JEM Remote Manipulator SystemACTIVE
- KR 120 R3900-2 KACTIVE
Arm Mechanics
Reach
- JEM Remote Manipulator System10,000 mm
- KR 120 R3900-2 K3,904 mm
Repeatability
- JEM Remote Manipulator System±50 mm
- KR 120 R3900-2 K±0.04 mm
Payload
- JEM Remote Manipulator System7,000 kg
- KR 120 R3900-2 K146 kg
IP Rating (Arm)
- JEM Remote Manipulator System—
- KR 120 R3900-2 KIP65
Degrees of Freedom
- JEM Remote Manipulator System6
- KR 120 R3900-2 K6
Robot Weight
- JEM Remote Manipulator System780 kg
- KR 120 R3900-2 K42 kg
IP Rating (Wrist)
- JEM Remote Manipulator System—
- KR 120 R3900-2 KIP67
Controller & Programming
Controller Model
- JEM Remote Manipulator SystemJEMRMS Console
- KR 120 R3900-2 KKR C5, KR C5 micro
Commercial
Price (USD)
- JEM Remote Manipulator SystemContact for quote
- KR 120 R3900-2 K$19,000–$84,900 USD
Warranty
- JEM Remote Manipulator System—
- KR 120 R3900-2 K2 yrs
Service Network
- JEM Remote Manipulator System—
- KR 120 R3900-2 Kglobal
| | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | Japan | Germany |
| Year First Available (values differ) | 2008 | 2015 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price (values differ) | Contact for quote | $19,000–$84,900 USD |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Reach (priority for Manufacturing buyers) (values differ) | 10,000 mm | 3,904 mm |
| Repeatability (priority for Manufacturing buyers) (values differ) | ±50 mm | ±0.04 mm |
| Payload (priority for Manufacturing buyers) (values differ) | 7,000 kg | 146 kg |
| IP Rating (Arm) (priority for Manufacturing buyers) (values differ) | — | IP65 |
| Degrees of Freedom | 6 | 6 |
| Robot Weight (values differ) | 780 kg | 42 kg |
| IP Rating (Wrist) (values differ) | — | IP67 |
| Controller & Programming | ||
| Controller Model (values differ) | JEMRMS Console | KR C5, KR C5 micro |
| Commercial | ||
| Price (USD) (values differ) | Contact for quote | $19,000–$84,900 USD |
| Warranty (values differ) | — | 2 yrs |
| Service Network (values differ) | — | global |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Battery / Shift Runtime, Path Accuracy, Max TCP Speed, Cycle Time (25/305/25), MTBF, Duty Cycle, Vibration Damping, Safety Category, Dual Check Safety, Safety I/O Pairs, E-Stop Response, Safe Zone Count, Programming Languages, Teach Pendant Type, Offline Programming, Digital Twin Support, Communication Protocols, ROS-Industrial Support, IoT / Cloud Platform, Cybersecurity Certs, Predictive Maintenance, Tool Flange Standard, Tool Changer (ISO), Internal Cable Routing, Pneumatic Lines, Electrical Lines, Spare Parts Lead Time, Expected Service Life
ROI Comparison
Same operating assumptions across every robot — the only difference is price. Set your numbers once to see which pays back fastest.
Annual labor displaced (per robot): $50,000
| Metric | JEM Remote Manipulator System | KR 120 R3900-2 K |
|---|---|---|
| Investment | No price | $51,950 |
| Payback period | — | 12.5 mo |
| Net savings (5 yr) | — | $198,050 |
| ROI (5 yr) | — | +381% |
JEM Remote Manipulator System has no listed price, so payback can't be computed. Contact the manufacturer for a quote.
Estimates labor-cost displacement only — not a full total cost of ownership. Actual ROI depends on integration, maintenance, training, downtime, and task fit. Converted currencies are indicative; USD is the price of record.
Trade-offs at a glance
Frequently asked
Who makes JEM Remote Manipulator System and KR 120 R3900-2 K?
JEM Remote Manipulator System is made by Hitachi, based in JP. KR 120 R3900-2 K is made by KUKA Robotics, based in DE.
When were JEM Remote Manipulator System and KR 120 R3900-2 K launched?
JEM Remote Manipulator System launched in 2008. KR 120 R3900-2 K launched in 2015.
How do JEM Remote Manipulator System and KR 120 R3900-2 K compare on the Robo Index?
JEM Remote Manipulator System grades BB on the Robo Index. KR 120 R3900-2 K grades AAA. The Robo Index is a credibility grade (AAA … C) that blends commercial maturity, verified deployments, company standing, and independent coverage — see methodology for the full breakdown.
How does the reach of JEM Remote Manipulator System compare to KR 120 R3900-2 K?
JEM Remote Manipulator System has a reach of 10000 mm. KR 120 R3900-2 K has a reach of 3904 mm.
Are JEM Remote Manipulator System and KR 120 R3900-2 K in the same category?
Both robots are classified as Industrial Arm on Robolist. Filters and ranking treat them as direct alternatives.
What is the realistic total cost of ownership for Industrial Arm robots?
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.
What should a buyer ask vendors when choosing between JEM Remote Manipulator System and KR 120 R3900-2 K?
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
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About this comparison
JEM Remote Manipulator System vs KR 120 R3900-2 K 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 Robo Index is calculated.