Provide an ultra-strong foundation for your bucket teeth with our high-grade Hyundai R-Series Weld-On Adapters. Supporting excavator platforms from R140 to R500, these high-weldability steel bases feature precision gap sizes from 32mm up to 80mm. Exact cross-reference for OEM numbers 61N6-31320, 61Q6-31320, and 61NB-31320. Factory-direct wholesale pricing with international shipping. Request your quote now!
Our Hyundai Interchangeable Series Adapters are engineered to serve as the ultra-stable, high-strength structural base for your excavator's bucket configuration. Designed to accommodate a wide range of bucket lip thicknesses (from 32 mm up to 80 mm), these weld-on adapters provide a flawless interface for genuine-style side-pin bucket teeth. Covering models from the utility-class R140 to the massive R500 mining excavators, every adapter is cast from specialized low-carbon alloy steel optimized for severe impact distribution and premium weld-joint reliability.
Superior Weldability & Crack Resistance: Advanced casting metallurgical control ensures a low carbon equivalency, allowing for exceptional fusion and structural bonding with the bucket cutting edge using standard field-welding procedures.
Precision CNC Machined Nose Taper: The nose profile is machined to exact dimensional constraints to guarantee tight, zero-play lockups with bucket teeth pockets, eliminating localized stress concentrations and protecting locking pins from premature shearing.
Optimized Structural Mass: Reinforced double-strap and flush-mount styles distribute high breakout forces uniformly along the bucket lip, minimizing structural fatigue, cracking, and base metal warping.
Through-Hardened Material Integrity: Heat-treated to a uniform tensile strength and high impact toughness to resist structural elongation, pocket stretching, and deformative wear in extreme rocky terrain.
| Machine Model Reference | OEM Part Number | Lip Thickness (Gap mm) | Recommended Application Class |
|---|---|---|---|
| R140 | 61N4-31200 | 32 mm | Utility Trenching & Pipe Laying |
| R200 | E161-3017 | 32 mm | General Civil Engineering & Loading |
| R200 / R210 | LE161-3017 | 40 mm | Infrastructure & Medium Excavation |
| R215-9 | 61Q6-31320 | 36 mm / 40 mm | Urban Construction & Roadworks |
| R220 | 61N6-31320 | 35 mm | High-Production Fleet Excavation |
| GA-240 / 980-1 Reference | GA-240 / 980-1 | 40 mm / 45 mm | Heavy General Contracting |
| R290 | E262-3027 | 40 mm | Bulk Foundation Contracting |
| R300 | 61N8-31320 | 40 mm | High-Volume Loading & Heavy Trenching |
| R370 | 61NA-31320 | 45 mm | Quarry Aggregates & Fractured Strata |
| R385 | 61QA-31320 | 50 mm | Heavy Civil Extraction & Mass Earthworks |
| R450 | 61E7-0100 | 45 mm | Heavy Duty Quarrying & Mining Overburden |
| R455 | 61NB-31320 | 50 mm | Bulk Mine-Site Loading |
| R-Series Heavy Duty | 62NB-31320 | 50 mm | High-Impact Mass Earth Extraction |
| R470 / R480 | 66NB-31320 | 70 mm | Extreme Duty Mining Class |
| R500 | 61EQ-30040 | 80 mm | Extreme High-Tonnage Mining |
Versatile Gap Configurations: Seamlessly matches a wide variety of bucket cutting edges from 32 mm to 80 mm thick without needing to modify the original base steel structure.
Side-Pin Interlock Interface: Engineered to be fully compatible with standard horizontal Hyundai drive pins and lock washer retention assemblies for stable, secure operation.
Low-Drag Tapered Geometry: The slim, streamlined profile encourages smooth material flow into the bucket, noticeably decreasing cycle drag and lowering hourly fuel usage.
Supplier: Xuzhou Sinoswift Import & Export Co., Ltd.
Contact/Mobile: +86 13701956981
Email Address: [email protected]
Logistics Framework: Supporting Full Container Load (FCL) / Less than Container Load (LCL) Ocean Freight and Global Express Delivery for Heavy G.E.T. Assemblies
All original equipment manufacturer names, brand symbols, and cross-reference descriptions are utilized solely for field installation compatibility and identification purposes. Secure the foundation of your excavator's digging system with our premium cast adapters. Contact our commercial service desk today to coordinate your technical blueprint review!