Ensure a secure fit for your bucket teeth with our high-quality Hyundai R-Series Excavator Adapters. Supporting models from R140 to R500, our weld-on adapters feature precision gaps from 32mm to 80mm. Precision fit for part numbers like 61N6-31320, 61Q6-31320, and 61NB-31320. Engineered for durability in mining and construction. Factory-direct pricing and global shipping. Request a quote today!
Our Hyundai Interchangeable Series Adapters are engineered to supply a high-strength, structurally stable foundation for your hydraulic excavator's ground engaging tool (G.E.T.) assembly. Precisely matched to the bucket lip configurations of the Hyundai Robex (R-Series) and HX-Series, these premium weld-on adapters guarantee an exact interface fit for traditional horizontal side-pin bucket teeth. Covering the full equipment spectrum from utility-class R140 crawlers to massive R500 mining setups, our shanks are cast with low-carbon alloy compositions for exceptional field weldability and are available in optimized gap sizes to accommodate varied cutting-edge profiles.
Superior Field Weldability: Cast from advanced low-carbon alloy steel formulations that promote maximum deep-grain fusion with the bucket edge, preventing localized heat-affected zone (HAZ) embrittlement and weld-line cracking.
Precise Nose-to-Pocket Geometry: Machined to strict dimensional tolerances to achieve a tight fit inside the replacement tooth cavity. This design minimizes internal movement, limits abrasive wash entry, and prevents premature pin shearing.
Heavy-Duty (HD) Strut Architecture: Built with reinforced double-strap shanks and thickened wear pads to absorb intense upward prying forces and twisting forces during large rock and slab handling.
Optimal Breakout Force Distribution: Purpose-shaped to transition heavy impact energy fluidly back into the primary bucket frame, protecting the baseline cutting edge from twisting or bowing out under max cylinder pressure.
| Machine Model | OEM Base Part Number | Lip Thickness (Gap Size) | Primary Operational Fitment |
|---|---|---|---|
| Robex R140 Class | 61N4-31200 | 32 mm | Utility Trenching & Municipal Drainage |
| Robex R200 / R210 | E161-3017 / LE161-3017 | 32 mm / 40 mm | General Commercial Civil Infrastructure |
| Robex R215-9 Class | 61Q6-31320 | 36 mm / 40 mm | Urban Construction & Deep Foundations |
| Robex R220 Fleet | 61N6-31320 | 35 mm | Bulk Road Grading & Mass Earthmoving |
| Robex R290 Heavy | E262-3027 | 40 mm | Heavy Engineering Foundations & Slurry Cuts |
| Robex R300 / R305 | 61N8-31320 | 40 mm | Bulk Borrow Pit Excavation & Stockpiling |
| Robex R370 Range | 61NA-31320 | 45 mm | Aggregates Quarrying & Basalt Loosening |
| Robex R385 High-Reach | 61QA-31320 | 50 mm | Heavy Infrastructure & Consolidated Deep Mining |
| Robex R450 / R455 | 61E7-0100 / 61NB-31320 | 45 mm / 50 mm | Mass Mining Overburden & Direct Rock Loading |
| Robex R470 / R480 | 66NB-31320 | 70 mm | Severe Granite Mining & Heavy Rock Stripping |
| Robex R500 Mining Class | 61EQ-30040 | 80 mm | Heavy-Duty High-Tonnage Mining Production |
Tailored Fit Gaps: Available across an adaptive structural gap spectrum (32mm up to 80mm) to seat flawlessly over standard, bevel-edged, or severely armored bucket lips without custom grinding.
Impact-Resistant Hardness Balance: Thoroughly heat-treated to foster an external wear-crust while preserving an elastic core toughness matrix that actively prevents adapter nose snaps under cold-weather impacts.
True Dimensional Drop-In Replacement: Built to match exact industry dimensional references including 61N6-31320 and 61Q6-31320, ensuring hassle-free installation into existing tool alignments.
Supplier Identification: Xuzhou Sinoswift Import & Export Co., Ltd.
Contact Support Desk: +86 13701956981
Email Correspondence: [email protected]
Logistics Provision: Full Container Load (FCL), Less than Container Load (LCL) Sea Freight options, and global expedited express support for critical heavy ground-engaging machinery components.
All original equipment manufacturer names, registered trademarks, model series numbers, and graphic descriptions are applied strictly for functional compatibility profiling and cross-reference evaluation. These premium aftermarket weld-on adapters are engineered solutions crafted to provide long-lasting service life on tough job sites around the world. Contact our commercial service desk now to discuss bulk ordering terms or to request an ex-factory price sheet!