{"id":2537,"date":"2026-01-16T09:10:14","date_gmt":"2026-01-16T09:10:14","guid":{"rendered":"https:\/\/www.agricultural-parts.top\/product\/k5651-34352-3-blade-bolt-beveled-washer-fits-kubota-mowers-zd321-zd326s\/"},"modified":"2026-01-19T09:01:34","modified_gmt":"2026-01-19T09:01:34","slug":"k5651-34352-3-blade-bolt-beveled-washer-fits-kubota-mowers-zd321-zd326s","status":"publish","type":"product","link":"https:\/\/www.agricultural-parts.top\/my\/product\/k5651-34352-3-blade-bolt-beveled-washer-fits-kubota-mowers-zd321-zd326s\/","title":{"rendered":"K5651-34352 (3) Blade Bolt Beveled Washer Fits Kubota Mowers ZD321 ZD326S"},"content":{"rendered":"
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\"Blade<\/p>\n

Product Specifications<\/h2>\n

The blade bolt beveled washer serves as a critical fastening component in Kubota zero-turn mowers, ensuring secure blade attachment to the spindle assembly. To provide precise technical details, this replacement part aligns with original equipment manufacturer standards derived from Kubota’s engineering. Key parameters include an outside diameter of 2.75 inches, which allows for optimal load distribution across the blade interface, and an inside diameter of 1.125 inches to fit snugly around the bolt shank. The washer thickness typically measures around 0.2 inches, contributing to its beveled profile that compensates for angular misalignment during installation. Material composition involves heavy-duty hardened steel, often alloyed for enhanced tensile strength exceeding 150,000 psi, with a zinc-coated finish to resist corrosion in humid or grassy environments. This coating not only extends service life but also maintains structural integrity under repeated torque applications. Recommended installation torque stands at 85 foot-pounds, a value that prevents over-tightening while securing the assembly against vibrational loosening. Compatibility extends to specific Kubota models, with part numbers cross-referencing to OEM identifiers such as K5651-34352 and K5651-34350. For comprehensive understanding, the following table outlines parameters and compatible models based on verified Kubota specifications.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n
\u1000\u1014\u1037\u103a\u101e\u1010\u103a\u1001\u103b\u1000\u103a<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
OEM Part Numbers<\/td>\nK5651-34352, K5651-34350, K5651-34372, K5651-34370<\/td>\n<\/tr>\n
Outside Diameter<\/td>\n2.75 inches (2-3\/4″)<\/td>\n<\/tr>\n
Inside Diameter<\/td>\n1.125 inches (1-1\/8″)<\/td>\n<\/tr>\n
Thickness<\/td>\nApproximately 0.2 inches<\/td>\n<\/tr>\n
Material<\/td>\nHardened alloy steel with zinc coating<\/td>\n<\/tr>\n
Finish<\/td>\nZinc-plated for corrosion resistance<\/td>\n<\/tr>\n
Torque Specification<\/td>\n85 foot-pounds<\/td>\n<\/tr>\n
Washer Type<\/td>\nBeveled for angular compensation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n\n\n\n
Compatible Kubota Models<\/th>\nDeck Types<\/th>\n<\/tr>\n<\/thead>\n
ZD321<\/td>\nRCK54, RCK60<\/td>\n<\/tr>\n
ZD326S<\/td>\nRCK60, RCK72<\/td>\n<\/tr>\n
ZD323<\/td>\nRCK54<\/td>\n<\/tr>\n
ZD326<\/td>\nRCK60<\/td>\n<\/tr>\n
ZD25F<\/td>\nStandard decks<\/td>\n<\/tr>\n
ZD221<\/td>\nRCK54<\/td>\n<\/tr>\n
ZG222<\/td>\nRCK54<\/td>\n<\/tr>\n
ZG227<\/td>\nRCK60<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

These specifications ensure the washer performs under demanding conditions, such as high-speed rotations up to 3,500 RPM in Kubota mowers. By adhering to these parameters, users avoid common issues like blade slippage or uneven wear, which can lead to costly repairs. For instance, the zinc coating provides a barrier against rust, particularly beneficial in tropical climates where moisture levels are high. Engineers at Kubota designed these dimensions to balance weight and strength, minimizing centrifugal forces while maximizing grip. When selecting replacements, matching these exact measurements prevents compatibility problems, such as bolt stripping or washer deformation. This level of detail empowers maintenance professionals to make informed decisions, reducing downtime in commercial landscaping operations. Furthermore, the beveled edge facilitates even pressure distribution, counteracting the stresses from blade impacts with debris. In practice, this translates to smoother cuts and extended blade life, addressing real-world challenges like maintaining large lawns or golf courses efficiently.<\/p>\n

Product Overview and Functionality<\/h2>\n

This blade bolt beveled washer functions as a specialized fastener in the mower’s cutting deck, positioned between the blade and the spindle to provide angular adjustment and secure clamping. Its primary role involves distributing the bolt’s clamping force evenly, preventing localized stress that could crack the blade or damage the spindle housing. In Kubota ZD321 and ZD326S models, the washer compensates for minor misalignments during assembly, ensuring the blade remains parallel to the deck for uniform grass cutting. Without this component, vibrations from uneven terrain could loosen the blade, leading to hazardous detachment or reduced cutting precision. The beveled design allows for a slight taper, which locks the assembly under torque, enhancing stability during operation at speeds exceeding 15 mph. This functionality directly tackles practical problems like blade wobble, which affects cut quality and increases fuel consumption due to inefficient mowing. By maintaining proper blade height\u2014typically adjustable from 1 to 5 inches\u2014the washer supports consistent performance across various grass types, from fine turf to rough pastures. In agricultural settings, where mowers operate for hours daily, this reliability minimizes interruptions, allowing operators to cover more ground without frequent stops for adjustments. The washer also plays a part in safety, as a secure blade reduces the risk of projectiles from loose parts. Overall, it integrates into the mower’s drivetrain, working alongside belts and pulleys to deliver power efficiently from the engine to the blades.<\/p>\n

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The beveled washer’s design ensures even force distribution, critical for long-term mower reliability in demanding environments.<\/p><\/blockquote>\n<\/div>\n

Addressing real issues, such as wear from abrasive soil particles, the washer’s robust construction withstands impacts, extending intervals between replacements. For users facing uneven lawns, it helps maintain blade balance, reducing operator fatigue from handling vibrations. In technical terms, the washer’s material properties absorb shocks, with a hardness rating around Rockwell C 40-45, preventing deformation under loads up to 5,000 pounds. This makes it indispensable for professional landscapers who rely on equipment uptime. Functionality extends to compatibility with aftermarket blades, allowing cost-effective upgrades without sacrificing performance.<\/p>\n

Common Usage Scenarios<\/h2>\n

Operators frequently replace this washer when addressing worn components in Kubota mowers, particularly after seasons of heavy use in commercial landscaping. For instance, in golf course maintenance, where precise cutting heights are essential, a damaged washer can cause uneven stripes, prompting immediate substitution to restore uniformity. In residential settings, users encounter issues like blade slippage after hitting rocks, and installing a new washer resolves this by re-establishing tight fastening. Agricultural applications involve mowing large fields, where the washer’s role in maintaining blade grip prevents downtime from loose assemblies during peak harvest periods. Safety concerns arise in uneven terrains, such as hilly orchards, where secure blades avoid accidents from detachment. This component also aids in routine upgrades, like switching to mulching blades, ensuring compatibility without modifications. In tropical regions with high humidity, corrosion-resistant washers combat rust buildup, extending mower life. Technicians use it in overhaul projects, combining with new bolts for comprehensive deck refurbishment. Each scenario highlights how the washer solves tangible problems, from improving cut quality to enhancing operational safety.<\/p>\n

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Key Usage Points<\/h4>\n