Yaskawa Motoman SP165 vs Kawasaki CP180L: Robot Comparison
Updated: 5 hours ago
IN A NUTSHELL
🔎 THE KEY DIFFERENCE Kawasaki CP180L has the higher stated load capacity and longer stated reach. Those figures help shortlist it for heavier loads or wider layouts, but do not prove a faster production cycle. Their 6- and 4-axis mechanisms also offer different movement options. |
→ CONSIDER Yaskawa Motoman SP165 Consider it when its stated load and reach already cover your task and its controls fit your equipment. This article compares 165 kg and a 2,702 mm stated reach; include the gripper and part in the load. |
→ CONSIDER Kawasaki CP180L Consider it when additional load capacity and reach matter. This article compares 180 kg and a 3,255 mm stated reach; include the gripper and part in the load. |
💡 THE TAKEAWAY Check the required tool angles and approach path: different axis counts change movement options. Choose only after both suppliers demonstrate the loaded task and quote the same complete installation. |
Yaskawa Motoman SP165 vs Kawasaki CP180L is a choice about palletizing and load orientation. Yaskawa Motoman SP165 and Kawasaki CP180L differ in their working envelope, loading assumptions and engineering ecosystem. A useful decision starts with the exact mechanism and process, then checks whether either robot can execute the required path with the real tool attached. This comparison separates documented specifications from application-level engineering judgments.
Yaskawa Motoman SP165 vs Kawasaki CP180L: quick verdict
Shortlist Yaskawa Motoman SP165 for 165 kg / 2702 mm spot-welding gun positioning with the named 6-axis platform. Shortlist Kawasaki CP180L for 180 kg palletizing within the named 3255 mm envelope and 4-axis architecture. First decide whether the product stays level or must be tilted. A payload match does not remove an architectural difference between four and six axes.
The numerical comparison below uses Yaskawa Motoman SP165 against Kawasaki CP180L. The stated model scope matters when comparing later revisions or differently equipped installations. Published repeatability describes return to a taught position under specified conditions; it does not establish complete-cell accuracy or prove a faster production cycle.
Specifications and exact configuration scope
Criterion | Yaskawa Motoman SP165 | Kawasaki CP180L |
|---|---|---|
Comparison configuration | Yaskawa Motoman SP165 | Kawasaki CP180L |
Payload used for comparison | 165 kg | 180 kg |
Reach / motion-area reference | 2702 mm | 3255 mm |
Axes | 6 | 4 |
Repeatability for this scope | ±0.05 mm | ±0.5 mm |
Controller reference | YRC1000 | F03 |
Purchase-price basis | Configuration-specific quotation | Configuration-specific quotation |
Purchase pricing | From $58,500 (arm list price) | From $60,000 (arm list price) |
Read the reach row together with the geometric notes below. Manufacturers may specify an arm-link sum, a wrist-centre motion area or reach to the flange; those dimensions are not interchangeable. The table does not establish access to every point at every tool angle. Controller references identify reviewed packages, and actual compatibility must be confirmed by model, software version and region.
Yaskawa Motoman SP165: design and configuration
The Yaskawa Motoman SP165 uses 6 arm axes with 165 kg payload, 2702 mm working reference and ±0.05 mm repeatability in the reviewed configuration. It is paired with YRC1000. This is a spot-welding platform: gun mass, C-adapter, cables, transformer layout and weld-controller integration must be assessed as one delivered system. The permitted wrist load and cable-dressing arrangement matter independently of nominal payload; a bare arm is not a complete welding cell.
Kawasaki CP180L: design and configuration
The CP180L is a four-axis palletizer with 180 kg standard payload and 3255 mm reach. Kawasaki documentation separates its high-speed configuration, which has a lower 130 kg limit. This comparison uses the standard 180 kg configuration, without combining that payload with high-speed performance claims.
For this pair, Kawasaki CP180L offers 180 kg over the stated 3255 mm reference, compared with 165 kg and 2702 mm for Yaskawa Motoman SP165 example. Kawasaki CP180L has the larger stated distance by 553 mm, but this difference is only a preliminary layout indicator because reference points and joint envelopes can differ. Locate the actual fixture in each manufacturer model before treating this as usable extra working space.
Payload, tooling and a worked load example
Consider an illustrative total wrist load of 132 kg: a 33 kg tool and adapter package carrying a 99 kg part or product group. This arithmetic leaves 33 kg below the Yaskawa Motoman SP165 example’s nominal limit and 48 kg below Kawasaki CP180L’s nominal limit. These are mass differences, not safety factors or a validated load approval. A heavy camera, valve block or retained material must be included before recalculating the total.
The example exposes the practical question: is the application limited by mass, by tool offset or by wrist rotation? Yaskawa Motoman SP165 is the lower-or-equal nominal payload choice in this pair. Kawasaki CP180L offers more or equal headline mass capacity, but that alone cannot approve an eccentric fixture. Moving the same mass farther from the flange increases the moment, and spreading it increases rotational inertia. Manufacturer load diagrams and the actual centre of gravity govern the final allowable motion.
Model the empty, partly loaded and fully loaded tool states separately. A vacuum layer gripper, a weld torch with hoses or an inspection head may change its effective loading during the cycle. Set the controller’s load data for each supported state and validate the transition logic. A payload table cannot predict acceleration derating, cable pull or transient reactions at a machine interface.
Reach, orientation and fixture access
Build the same cell model for both candidates: base height, machine opening, fixture datum, maximum part size, tool extension and access for maintenance. Yaskawa Motoman SP165 provides a stated 2702 mm reference, while Kawasaki CP180L provides 3255 mm. Check the deepest production pose and the return path with the loaded tool. An arm that just touches the target at full extension may have little freedom left to turn, retract or avoid a door.
For this comparison, distinguish level-load palletizing from general reorientation. Four-axis palletizers can position and rotate a level product around the vertical axis, but cannot independently supply every pitch and roll angle. A six-axis arm may support tilted presentation or recovery, yet it must be assessed on the same pallet pattern and load. Check the lowest pickup, highest layer, farthest corner and safe exit path.
Precision and throughput: compare the same task
The comparison uses ±0.05 mm for Yaskawa Motoman SP165 and ±0.5 mm for Kawasaki CP180L. These figures should be read in their documented configuration scope. Repeatability is not absolute accuracy, camera calibration accuracy or finished-part capability. Fixture variation, TCP calibration, thermal conditions and tool compliance can dominate the error at the process point, especially when the tool extends far from the flange.
Ask each integrator to execute the same representative path with the same payload model, tool length, process dwell and stop conditions. Report transfer time, settling time, process time and waiting time separately. Published standard cycles often use different loads and distances; dividing one catalogue cycle by another would not establish the production advantage of Yaskawa Motoman SP165 over Kawasaki CP180L. Use a measured or validated application cycle before assigning a throughput benefit.
Programming, controls and production integration
Yaskawa Motoman SP165 is paired here with YRC1000, while Kawasaki CP180L uses F03. Controller names identify the review baseline rather than a guarantee that all interface options are included. Compare the actual software revision, teaching workflow, diagnostic tools, fieldbus licences and recovery procedures. An existing trained team and reusable production code may outweigh a small dimensional advantage. Obtain a demonstration of the same machine handshake and interrupted-cycle recovery on both platforms.
Specify the PLC handshakes before ordering: cycle request, ready, busy, complete, fault, part present and recovery authorization. Define how an interrupted operation resumes without repeating a dangerous or quality-critical action. Vision, force sensing, fieldbus communication and external-axis coordination must be checked as explicit included or optional functions. An Ethernet connector does not by itself prove that a particular industrial protocol or software interface is licensed and supported.
Configuration and communication detail
Integration reference | Yaskawa Motoman SP165 | Kawasaki CP180L |
|---|---|---|
Control package | YRC1000 | F03 |
Documented interface baseline | Specify required interfaces in the delivered package | Specify required interfaces in the delivered package |
Programming baseline | Named platform software and supported API; confirm supplied version | Named platform software and supported API; confirm supplied version |
Integration acceptance | Test the actual machine handshake and controlled recovery | Test the same handshake and controlled recovery |
Protection, installation and maintenance
Match the precise protection package to the process. Standard, protected, cleanroom, foundry and washing configurations can have different seals, services and maintenance requirements. Do not transfer the best optional IP or cleanroom rating to an unprotected base model. Check the controller location, cable bend radius, available lifting access and base reactions with the installer.
Treat safe operation as a property of the complete task and installation. Include the tool, sharp workpiece edges, trapping points, dropped loads and machine access. These robot systems require task-specific safeguarding; payload or compact size does not establish safe unguarded operation. Plan tool replacement and fault recovery without dismantling the whole installation, and include connector access, lubrication and spare-cable replacement in the maintenance layout.
Price and lifecycle value
Published arm list prices: Yaskawa Motoman SP165 is listed from $58,500 and Kawasaki CP180L is listed from $60,000. Request configuration-specific quotations for Yaskawa Motoman SP165 and Kawasaki CP180L. An arm-only number is not the price of a commissioned production cell. Ask for separate line items for controller, pendant, communication options, end effector, safety equipment, installation, acceptance, training and warranty. Price changes, regional support and included software can reverse an apparent hardware-cost advantage. Compare the same delivered scope before calculating payback.
Compare the installed production scope: tool, fixtures, sensing, guarding, machine interface, programming, acceptance and training. For spot welding, include the gun, weld controller, water cooling, electrode dressing and extraction. Keep purchase cost and recurring support costs separate. No payback figure is defensible until the actual cycle, yield, utilization and installation quotation are known.
Spot-welding gun and process integration
For a spot-welding cell, include the gun, C-adapter, transformer where arm-carried, water hoses and electrical dress pack in the moving-load model. Weld-force reactions and electrode access are separate constraints from rated robot payload. Prove the closed-gun clearance, electrode approach, weld-controller handshake, cooling interlocks and tip-dressing recovery. A dedicated spot-welding arm and a general handling robot may support different cable and maintenance arrangements; neither is a complete weld process without the quoted gun, controller and validated application.
Selection and acceptance plan
Decision gate | Yaskawa Motoman SP165 | Kawasaki CP180L |
|---|---|---|
Strongest documented fit | 165 kg / 2702 mm spot-welding gun positioning with the named 6-axis platform | 180 kg palletizing within the named 3255 mm envelope and 4-axis architecture |
Main boundary | The complete gun, adapter, transformer and cable load must satisfy the wrist limits. Validate weld-force reactions, dress-pack access, weld-controller interlocks and cooling; spot welding is distinct from arc welding. | Four arm axes position and rotate a level load; they do not provide arbitrary pitch and roll. Validate complete gripper inertia, load retention and the full pallet pattern. |
Required approval | Exact Yaskawa Motoman variant, tool load and validated process path | Exact competitor revision, tool load and validated process path |
Acceptance evidence | Agreed parts, path, quality and recovery results | The same agreed parts, path, quality and recovery results |
Advance Yaskawa Motoman SP165 when 165 kg / 2702 mm spot-welding gun positioning with the named 6-axis platform solves the real constraint and its selected configuration passes the load and access checks. Advance Kawasaki CP180L when 180 kg palletizing within the named 3255 mm envelope and 4-axis architecture provides the more suitable process arrangement. Reject either candidate if a mandatory pose, protection requirement or controller function cannot be demonstrated. A purchasing shortlist should preserve these conditions instead of converting a single catalogue advantage into a blanket recommendation.
Before acceptance, agree the representative parts, tool states, operating sequence and quality criteria with both suppliers. Demonstrate cold start, normal production, rejected parts, interrupted cycles and controlled recovery. Record the final tool data and software backup. This turns the comparison into a repeatable purchasing decision and helps prevent a later fixture change from invalidating the original robot selection.
Motion architecture and functionality
Yaskawa Motoman SP165 has 6 arm axes and Kawasaki CP180L has 4 arm axes. A four-axis mechanism cannot independently supply every pitch and roll angle. Assess whether the tool must stay level or be presented at varying attitudes. Compare tool detection, sensing, machine I/O and recovery as separate delivered functions.
Industries and application fit
For Yaskawa Motoman SP165 vs Kawasaki CP180L, use the actual part and process as the industry filter. Electronics, manufactured-component handling and machine tending are candidate uses when their tool mass, access and quality requirements fit the documented configurations. These are application-selection judgments, not claims that either exact model is installed at a named customer. A food, medical-device or clean-production application additionally requires the correct material, lubrication and protection package; the base model name does not establish hygienic or cleanroom compliance.
Selection issue | Yaskawa Motoman SP165 | Kawasaki CP180L |
|---|---|---|
Tool and workpiece mass | 165 kg named scope; include the complete tool | 180 kg named scope; include the complete tool |
Working reference | 2702 mm | 3255 mm |
Main configuration boundary | The complete gun, adapter, transformer and cable load must satisfy the wrist limits. Validate weld-force reactions, dress-pack access, weld-controller interlocks and cooling; spot welding is distinct from arc welding. | Four arm axes position and rotate a level load; they do not provide arbitrary pitch and roll. Validate complete gripper inertia, load retention and the full pallet pattern. |
Process approval | Demonstrate the actual loaded path and recovery | Demonstrate the same loaded path and recovery |
Frequently asked questions
Which robot is better for this application?
Yaskawa Motoman SP165 is the stronger starting point for 165 kg / 2702 mm spot-welding gun positioning with the named 6-axis platform, while Kawasaki CP180L is worth shortlisting for 180 kg palletizing within the named 3255 mm envelope and 4-axis architecture. The final choice depends on the real loaded path, required protection, controls and acceptance results. Neither a higher payload nor a longer reach establishes a universal winner.
What payload should I use for the comparison?
Use 165 kg for the specified Yaskawa Motoman SP165 example and 180 kg for Kawasaki CP180L, subject to all documented load and orientation conditions. Include the tool, adapters, sensors and carried part. Four arm axes position and rotate a level load; they do not provide arbitrary pitch and roll. Validate complete gripper inertia, load retention and the full pallet pattern.
Does the stated reach guarantee access to my fixture?
No. The comparison gives 2702 mm for Yaskawa Motoman SP165 and 3255 mm for Kawasaki CP180L using the stated model references. Joint limits, reach reference points, wrist orientation, tool length and collisions determine whether the actual fixture is accessible. Simulate the full approach and exit path.
Can I use the best specifications from every family variant?
No. Keep each named model and revision intact. A different arm length, controller generation or protection option can change the relevant specification. Do not combine one version’s maximum payload with another version’s maximum reach.
Is repeatability the same as finished-part accuracy?
No. The stated values are ±0.05 mm for Yaskawa Motoman SP165 scope and ±0.5 mm for the competitor scope. Finished-part results also depend on fixtures, TCP calibration, sensing, thermal conditions and tool compliance. Validate the actual process instead of treating catalogue repeatability as a complete accuracy guarantee.
How should purchase prices be compared?
Use current written quotations for Yaskawa Motoman SP165 and Kawasaki CP180L with the same arm, controller, software, tooling and commissioning scope. This comparison does not represent an ATC sales offer or stock confirmation. Historical review figures are not a substitute for a configuration-specific purchase quotation.
Can these robots operate safely next to people without guarding?
These specifications do not establish a safe unguarded installation. Assess the complete task, tool, load and machine interface, then implement and validate the required safeguarding and operating procedures. Do not infer collaborative operation from a compact arm, limited payload or education setting.
What should an acceptance test compare?
Use the same parts, actual tool load, fixture locations, path and quality criteria for Yaskawa Motoman SP165 and Kawasaki CP180L. Check production timing, settling, interruptions and recovery. Include the highest layer and farthest pallet corner. Approve the exact delivered configuration and preserve its final settings.
Related ATC reviews
Specifications describe the model scope identified above. Purchase pricing requires a current configuration-specific quotation. Confirm current manufacturer documentation, local supply, controller compatibility and the exact configuration before purchase.
