Belt Drive Systems 20 - Heavy Equipment Parts

139T 1-1/8″ Rear Drive Belt for Harley Touring Models – OEM-Replacement Quality

Stop worrying about unexpected breakdowns or OEM delays — this harley rear drive belt delivers OEM-equivalent performance and fit, right out of the box, so your Touring bike stays on the road longer with zero compromise. 139T tooth count + precise 1-1/8" width (28.5mm) ensures perfect meshing with stock pulleys — no slippage, no premature wear, just smooth, quiet power transfer Fits exact 2004–2006 FLHT, FLHR, FLHRCI, FLHTCI, and FLTRI models — verified against factory service specs, not just part numbers Replaces 40024-04, 1204-0063, 58-439, and five other cross-references — no guesswork when matching to your VIN or existing belt Built with aramid-reinforced HTD profile for heat resistance and torsional stiffness — the same spec used by top-tier aftermarket brands servicing high-mileage touring fleets

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R123307 Replacement Belt for John Deere 3.9L–6.8L Engines – High-Tensile OEM-Equivalent

Stop losing uptime to belt slippage or unexpected breakage on your John Deere 3.9L–6.8L engines — the R123307 replacement belt for John Deere 3.9L–6.8L engines delivers OEM-equivalent grip and longevity, even under high-load alternator drive cycles. Engineered with aramid-reinforced tensile cords — the same specification used in genuine JD serpentine belts for 4045 and 6068 platforms Fits 12+ John Deere engine variants including 3029, 4039, 4045, 6068, and all 2.9L/3.9L/4.5L/6.8L displacements Ships from our Guangzhou warehouse in 2–5 working days — no waiting weeks for OEM backorders Each belt undergoes pre-shipment tension & flex-cycle testing to eliminate premature stretch or edge cracking

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Belt Tensioner 3976834/3957434 for Cummins ISBE6.7 & 6CT Engines – Direct Replacement

Stop unexpected belt slippage and premature accessory failure on your Cummins ISBE6.7 or 6CT engine — this Cummins belt tensioner delivers OEM-equivalent spring force retention and pivot-arm durability, so your alternator, AC, and power steering stay reliably driven. Direct-fit replacement for part numbers 3976834 and 3957434 — no bracket modifications or tension adjustments needed Features hardened steel pivot bushings and a calibrated torsion spring (not stamped-steel imitations) — critical for engines with high-vibration duty cycles like quarry or fleet applications Stocked and ready to ship from Guangzhou — bypass the 3–4 week OEM wait and get back online in 2–5 working days Fits Cummins ISBE6.7, 6CT, 6BT, 6CT8.3, and 6BT5.9 engines — one tensioner covers your most common medium-duty platforms

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Drive Belt 07200921 for Ariens & Gravely 52″ Zero-Turn Mowers – Heavy-Duty Replacement

Stop downtime and get back to mowing—this 07200921 drive belt delivers OEM-matching durability and precise fit for Ariens Ikon 52" and Gravely ZT XL 52 zero-turns, so your deck drive stays tight and responsive season after season. Engineered with reinforced aramid tensile cords—critical for handling the high-torque, side-load stress unique to 52" zero-turn deck drives Fits exact SN ranges: Ariens models 918004/005/026/028 (all Kohler & Kawasaki FR variants) and Gravely 918010/011/014/015 (ZTX & ZT XL 52, across all engine & serial breaks) No guesswork: pre-stretched during manufacturing to eliminate initial stretch-in and prevent premature slippage or misalignment Ships from our Guangzhou warehouse in 2–5 working days—even for single-piece orders—so urgent replacements never stall your schedule

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Cooling Fan Belt Tensioner Kit 7302291 for Bobcat Skid Steer Loaders – Direct Replacement

Stop unexpected fan belt slippage and overheating on your Bobcat—this bobcat tensioner kit delivers OEM-equivalent tension control right out of the box, so your skid steer stays cool and productive through long shifts. No more guessing whether a worn tensioner is causing erratic belt noise or premature failure. Direct-fit replacement for 7302291 — includes all mounting hardware, spring-loaded arm, and precision-machined pivot bushing (not just the bracket) Covers 25+ Bobcat models including S160, S175, T190, and T300 — verified against factory service diagrams, not just part number cross-references Pre-tested for consistent 85–95 N·m dynamic tension retention — critical for high-RPM cooling fans on Tier 4 engines Ships same day from Guangzhou warehouse; MOQ is just 1 piece, no minimum order hassle for urgent field repairs

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Belt Tensioner RE548027 for John Deere 4045/6068/3029 Engines – Direct OEM Replacement

Stop unexpected belt slippage and premature engine wear—this John Deere belt tensioner RE548027 delivers OEM-equivalent hold and alignment for 4045, 6068, and 3029 engines, so your tractor or sprayer stays online longer between service intervals. Fits verified John Deere models including 5082E, 7200R, STS 12, DPS 12, and 310K backhoe loaders—no guesswork on compatibility Features the exact spring rate and pivot geometry required to maintain ±0.8mm belt deflection tolerance—the spec that prevents harmonic vibration damage in high-RPM applications Ships from Guangzhou warehouse same-day if ordered before 3 PM CST; no waiting weeks for OEM backorders Each unit is pre-tested for dynamic load response at 120 Nm torque—just like factory calibration, not just static fit

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Drive Belt Tensioner & Cooling Fan Pulley Kit for Bobcat Skid Steers – OEM-Replacement Quality

Stop unexpected downtime and belt slippage on your Bobcat skid steer — this OEM-replacement drive belt tensioner & cooling fan pulley kit delivers consistent tension, quieter operation, and longer belt life across high-hour machines. Direct-fit replacement for factory part numbers 6735884 and 6662997, including correct bearing preload specs and pulley offset — critical for proper fan clearance and belt tracking Covers 15+ Bobcat models: 773, S175, T190, S205, 753, 763, and more — no cross-referencing guesswork Eliminates the “tensioner wobble” common with worn or low-grade kits, preventing premature belt wear and overheating Ready to ship from Guangzhou warehouse — 1-piece MOQ, no minimums, no delays waiting for OEM backorders

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V-Belt Fan Belt 080109107 for Perkins 404C-22 – High-Tensile Replacement

Stop unexpected fan belt failures and costly downtime on your Perkins 404C-22 — this high-tensile Perkins fan belt delivers OEM-equivalent grip and heat resistance, even under sustained load and high ambient temperatures. Exact fit for Perkins 404C-22, 404C-22T, and 104-22 engines — verified against original cross-section profile (SPZ 8.5×11 mm) and pitch length tolerance (±0.5 mm) Replaces part numbers 080109107 and T80109107 with zero pulley slippage or premature stretch Ships same-day from our Guangzhou warehouse — no waiting weeks for OEM backorders Built with aramid tensile cords (not polyester), so it holds torque through repeated cold starts and thermal cycling

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54″ Deck V-Belt 130-0843 for Toro & Exmark Zero-Turn Mowers – Heavy-Duty Replacement

Stop losing hours to deck belt failures mid-mowing — this heavy-duty 130-0843 v-belt delivers consistent, vibration-free power transfer so your Toro or Exmark 54" zero-turn stays up and cutting all season long. Built with aramid tensile cords and a specially formulated EPDM compound, it resists heat buildup and stretch far better than standard belts — critical for high-RPM deck drives where slippage kills blade tip speed. Fits exact OEM specs: replaces 130-0843, 1300843, and all SL/P variants — no guesswork on tension or alignment Verified fit for Toro TimeCutter models 74740, 74741, 75754, 75756, 75757 (including SN ranges up to 999999999) and Exmark Quest E/S-Series QTE708GEM54100 & QZS708GEM54200 No more “almost-right” belts — features the correct 13.5° included angle and 0.530" top width for true OEM pulley engagement Ships same-day from Guangzhou warehouse — order before 3 PM local time and get it en route in under 24 hours

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Belt Tensioner Assembly for Cummins 6C, ISB, QSB Engines – Direct Replacement

Stop unexpected belt slippage and premature accessory failure on your Cummins-powered equipment — this belt tensioner delivers consistent, OEM-matched tension right out of the box. Built to replace 3936213, 5259022, and 3976831, it eliminates the guesswork and downtime caused by worn or inconsistent factory units. Fits Cummins 6C, ISB, QSB, 4B3.9, 6B5.9, B6.7, and 10+ other engine families — no cross-referencing headaches Features a precision-calibrated hydraulic damper (not just spring-loaded) for smooth, vibration-dampened tension control Ready to ship same day from our Guangzhou warehouse — no waiting weeks for OEM backorders Backed by XUNPO’s 6-month warranty and technical verification support before you order

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Drive Belt 59011-1077 for Kawasaki Mule UTV – High-Durability Replacement

Stop losing uptime to premature belt failure — this Kawasaki Mule drive belt delivers consistent, high-torque power transfer across decades of KAF540 and KAF620-series models, even under heavy load or frequent stop-start operation. Engineered with aramid-reinforced poly-V construction — the same tensile strength spec used in OEM-spec replacement belts for KAF620E/J/M/H variants Fits 1990–2023 Mule 2010/2020/2030/3000/3010/3020/4000/4010 (including all Trans4x4, Camo, and SE submodels) without modification Direct replacement for both 59011-1077 and 59011-1053 — eliminates cross-reference confusion and ordering errors Pre-stretched and dynamically balanced to prevent early slippage or heat buildup in the CVT housing

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Belt 486586 for Scag SVRII-61V Mowers – Heavy-Duty Replacement

Stop losing uptime to deck drive belt failures — this Scag mower belt delivers rock-solid power transfer and extended service life on SVRII-61V mowers, even under heavy commercial cutting loads. Built with aramid-reinforced tensile cords and precision-molded cog geometry, it eliminates the slippage and premature stretch that plague generic replacements. Fits all major SVRII-61V variants including EFI, FX, and BV models — no guesswork on compatibility Direct replacement for OEM 486586 and cross-references like 754-05078, 266-187, and 539107709 Features a true 14.2° included angle on the V-cog profile — critical for proper engagement with Scag’s dual-pulley deck drive system Ships from our Guangzhou warehouse in 2–5 working days, with real-time tracking and 6-month warranty against manufacturing defects

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