KUKA RV-410F-236 Gearbox Modules: 00-104-986

Technical Dossier

Product Details And Specifications

KUKA RV-410F-236 Series: Comprehensive Module Range and Technical Overview

The KUKA RV-410F-236 gearbox series, catalogued under part number 00-104-986, is a precision cycloidal reduction unit engineered for the axis joints of KUKA industrial robot arms. This series is deployed across heavy-industry sectors including petrochemical refineries, nuclear facility maintenance robots, automotive body-in-white welding lines, and large-scale steel fabrication plants. The RV (Rotary Vector) gearbox architecture is the mechanical backbone of KUKA's KR series heavy-payload robots, providing the torque density and backlash-free positioning accuracy required for 6-axis articulated arm applications. Installed base spans multiple continents, with significant concentrations in European automotive OEMs, Chinese heavy manufacturing, and Middle Eastern oil & gas facilities.

The Evolution of RV-410F-236 Architecture

KUKA's adoption of RV-type cycloidal gearboxes traces to the early 1990s, when the KR 150 and KR 210 platforms required a compact, high-reduction-ratio joint drive capable of sustaining continuous duty cycles in harsh environments. The RV-410F-236 designation encodes the key mechanical parameters: RV (Rotary Vector reduction type), 410 (nominal torque rating class in Nm), F (flange output configuration), 236 (reduction ratio). Early-generation units used a two-stage planetary-cycloidal hybrid design with grease-lubricated needle roller bearings. Mid-generation revisions introduced improved surface hardening on the eccentric shaft and crankpin assemblies to extend service intervals from 10,000 to 20,000 operating hours. Current-production units feature enhanced sealing against particulate ingress, critical for foundry and press-shop environments. Compatibility note: the RV-410F-236 is mechanically interchangeable within the same torque class across KR 150, KR 180, KR 210, and KR 240 platforms, but mounting flange bolt patterns must be verified against the robot-specific axis drawing before installation. Successor units in the RV-500F and RV-580F classes are not drop-in replacements and require axis housing modification.

RV-410F-236 Full Catalog & Functionalities (SKU List)

The following SKUs represent the documented range of KUKA RV-series gearbox assemblies and associated components relevant to the 410F-236 torque class and adjacent specifications. All part numbers are cross-referenced against KUKA spare parts documentation:

00-104-986: RV-410F-236 complete gearbox assembly, axis 2/3 application, KR 150–240 series
00-104-987: RV-410F-236 gearbox assembly, variant B, modified output flange pattern
00-104-988: RV-410F-236 gearbox with integrated oil bath lubrication port, foundry variant
00-104-989: RV-410F-236 gearbox, low-temperature grease fill, cold-environment specification
00-104-990: RV-320F-185 gearbox assembly, axis 4/5 application, KR 150–180 series
00-104-991: RV-320F-185 gearbox, cleanroom variant, reduced outgassing seal compound
00-104-992: RV-500F-261 gearbox assembly, axis 1 application, KR 210–360 series
00-104-993: RV-500F-261 gearbox, high-cycle variant, reinforced crankpin bearing set
00-104-994: RV-580F-261 gearbox assembly, axis 1 heavy-payload, KR 300–500 series
00-104-995: RV-580F-261 gearbox, press-shop variant, enhanced particulate seal
00-118-401: Eccentric shaft sub-assembly for RV-410F-236, replacement component
00-118-402: Cycloidal disc set for RV-410F-236, matched pair, pre-measured backlash
00-118-403: Output flange bearing set for RV-410F-236, needle roller type
00-118-404: Input pinion shaft for RV-410F-236, hardened steel, ground finish
00-118-405: Seal kit for RV-410F-236, complete set including input and output lip seals
00-118-406: Grease cartridge, KUKA specification, 400g, for RV-410F-236 relubrication
00-118-407: Mounting bolt set M12×40, grade 12.9, for RV-410F-236 flange interface

Sourcing Hard-to-Find & Obsolete RV-410F-236 Parts

The RV-410F-236 series has entered the mature-to-declining phase of its product lifecycle. KUKA's current robot platform roadmap centers on the KR QUANTEC and KR AGILUS families, which use updated gearbox specifications. As a result, new-production RV-410F-236 units are subject to extended lead times from the OEM channel, and certain sub-component SKUs have been formally discontinued. DriveKNMS maintains a dedicated inventory of new-old-stock (NOS), reconditioned, and functionally tested RV-410F-236 assemblies and sub-components to support operators running legacy KR 150–240 installations. Our sourcing network covers authorized KUKA spare parts distributors, decommissioned robot asset recovery, and OEM-equivalent third-party gearbox manufacturers operating to the same dimensional and performance specification. For operators requiring long-term maintenance agreements covering multi-year supply commitments of RV-410F-236 units, DriveKNMS offers framework contracts with guaranteed stock reservation. This is particularly relevant for facilities where robot replacement is not operationally feasible within the current capital expenditure cycle.

Quality Control for the RV-410F-236 Range

The RV-410F-236 gearbox presents specific quality verification challenges due to its cycloidal internal geometry and the precision-matched nature of its eccentric shaft and disc assemblies. DriveKNMS applies the following test protocol to all RV-410F-236 units prior to dispatch: (1) Backlash measurement — output shaft rotational play measured under defined preload using a dial indicator fixture, acceptance threshold ≤1 arc-minute; (2) Torque efficiency test — input-to-output torque transmission efficiency measured at rated load, minimum acceptance 85%; (3) Noise and vibration signature analysis — unit run at 50 RPM input for 10 minutes, vibration spectrum recorded and compared against baseline for bearing defect frequencies; (4) Seal integrity check — static pressure test on lubrication cavity at 0.5 bar for 5 minutes, zero leakage acceptance; (5) Dimensional verification — output flange bolt circle, pilot diameter, and input shaft spline checked against KUKA drawing tolerances. Reconditioned units additionally undergo full disassembly, component-level inspection, and replacement of all wear items including cycloidal discs, needle bearings, and seals before reassembly to OEM specification.

© 2026 DriveKNMS. All trademarks belong to their respective owners. Specifications are for reference only and subject to change without notice. Verify all parameters against official documentation before installation.