Assembly Tool Specialists vs KR 120 R3900-2 K
Side-by-side comparison of Assembly Tool Specialists (Production Tool Company (PTCo)) and KR 120 R3900-2 K (KUKA Robotics) — specs, pricing, Robo Score, and verified deployments. Updated daily.
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Layer 1: Identity & Trust
Manufacturer Country
- Assembly Tool SpecialistsUnited States
- KR 120 R3900-2 KGermany
Year First Available
- Assembly Tool Specialists—
- KR 120 R3900-2 K2015
Verified Deployments
- Assembly Tool Specialists0 Deployments
- KR 120 R3900-2 K0 Deployments
Layer 2: Operational
Price
- Assembly Tool SpecialistsContact for quote
- KR 120 R3900-2 K$19,000–$84,900 USD
Availability Status
- Assembly Tool SpecialistsACTIVE
- KR 120 R3900-2 KACTIVE
Arm Mechanics
Payload
- Assembly Tool Specialists—
- KR 120 R3900-2 K146 kg
Reach
- Assembly Tool Specialists—
- KR 120 R3900-2 K3,904 mm
Degrees of Freedom
- Assembly Tool Specialists—
- KR 120 R3900-2 K6
Repeatability
- Assembly Tool Specialists—
- KR 120 R3900-2 K±0.04 mm
Robot Weight
- Assembly Tool Specialists8 kg
- KR 120 R3900-2 K42 kg
IP Rating (Arm)
- Assembly Tool SpecialistsIP43
- KR 120 R3900-2 KIP65
IP Rating (Wrist)
- Assembly Tool Specialists—
- KR 120 R3900-2 KIP67
Performance
Duty Cycle
- Assembly Tool Specialistscontinuous 24 7
- KR 120 R3900-2 K—
Controller & Programming
Controller Model
- Assembly Tool SpecialistsPowerMACS 4000
- KR 120 R3900-2 KKR C5, KR C5 micro
Connectivity
IoT / Cloud Platform
- Assembly Tool SpecialistsiM Smart Sensor
- KR 120 R3900-2 K—
Predictive Maintenance
- Assembly Tool Specialiststhreshold based
- KR 120 R3900-2 K—
End-Effector
Tool Flange Standard
- Assembly Tool SpecialistsISO 9409-1
- KR 120 R3900-2 K—
Tool Changer (ISO)
- Assembly Tool Specialistsother
- KR 120 R3900-2 K—
Internal Cable Routing
- Assembly Tool Specialistsexternal only
- KR 120 R3900-2 K—
Commercial
Price (USD)
- Assembly Tool SpecialistsContact for quote
- KR 120 R3900-2 K$19,000–$84,900 USD
Warranty
- Assembly Tool Specialists—
- KR 120 R3900-2 K2 yrs
Service Network
- Assembly Tool Specialistsregional
- KR 120 R3900-2 Kglobal
Expected Service Life
- Assembly Tool Specialists10 yrs
- KR 120 R3900-2 K—
| | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | United States | Germany |
| Year First Available (values differ) | — | 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 | ||
| Payload (values differ) | — | 146 kg |
| Reach (values differ) | — | 3,904 mm |
| Degrees of Freedom (values differ) | — | 6 |
| Repeatability (values differ) | — | ±0.04 mm |
| Robot Weight (values differ) | 8 kg | 42 kg |
| IP Rating (Arm) (values differ) | IP43 | IP65 |
| IP Rating (Wrist) (values differ) | — | IP67 |
| Performance | ||
| Duty Cycle (values differ) | continuous 24 7 | — |
| Controller & Programming | ||
| Controller Model (values differ) | PowerMACS 4000 | KR C5, KR C5 micro |
| Connectivity | ||
| IoT / Cloud Platform (values differ) | iM Smart Sensor | — |
| Predictive Maintenance (values differ) | threshold based | — |
| End-Effector | ||
| Tool Flange Standard (values differ) | ISO 9409-1 | — |
| Tool Changer (ISO) (values differ) | other | — |
| Internal Cable Routing (values differ) | external only | — |
| Commercial | ||
| Price (USD) (values differ) | Contact for quote | $19,000–$84,900 USD |
| Warranty (values differ) | — | 2 yrs |
| Service Network (values differ) | regional | global |
| Expected Service Life (values differ) | 10 yrs | — |
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, 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, Cybersecurity Certs, Pneumatic Lines, Electrical Lines, Spare Parts Lead Time
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 | Assembly Tool Specialists | 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% |
Assembly Tool Specialists 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 Assembly Tool Specialists and KR 120 R3900-2 K?
Assembly Tool Specialists is made by Production Tool Company (PTCo), based in US. KR 120 R3900-2 K is made by KUKA Robotics, based in DE.
How do Assembly Tool Specialists and KR 120 R3900-2 K compare on the Robo Score?
Assembly Tool Specialists scores 44.3 on the Robo Score. KR 120 R3900-2 K scores 78.0. The Robo Score is a 0–100 credibility figure blending commercial maturity, verified deployments, company standing, and independent coverage — see methodology for the full breakdown.
Are Assembly Tool Specialists 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 Assembly Tool Specialists 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
Assembly Tool Specialists 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 Score is calculated.