Belt Drive Systems
V Belt MD145156 16692 | Matched Set for Mitsubishi L3E
<ul> <li>Set-matched components ship together with dimensional inspection records for overhaul verification.</li> </ul>
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<p><strong>Fan Belt 6718730 Replacement for Bobcat Skid Steer Engine Cooling System</strong> — compatible with S150, S160, S175, S185, S205, T180, T190 loaders. Cross-reference 6718730 only.</p> <ul> <li>Fits Bobcat skid steer loader engine belt drive, matched to tensioner and pulley interfaces for reliable heat management during overhaul</li> <li>Heat-resistant rubber compound withstands engine bay temperatures and resists cracking under continuous duty</li> <li>Recommended to replace tensioner, seals and fasteners as a set during cooling system rebuild to prevent early re-failure</li> </ul> <p>Overhaul kit contents verified item-by-item before dispatch to match your engine serial variant.</p>
MOQ
1 Piece
Lead Time
2-5 Business Days
Shipping
120+ Countries
Warranty
3-12 Months
Compatible Brands
Matched Sets Shipped — Fan belt, tensioner and cooling seals verified against your engine serial before dispatch.
| Parameter | Value |
|---|---|
| Part Number | 6718730 |
| Product Type | Belt |
| Cross-Reference | 6718730 (reference only) |
| Machine Fitment | 5600, 773, S150, S160, S175, S185, S205, T180, T190 Skid Steer Loader |
| Part Name | Fan Belt |
| Condition | New Aftermarket |
| Warranty | 3-12 months against manufacturing defects |
| Certification | ISO 9001 |
| Engine System | Related Components |
|---|---|
| Engine Cooling Fan Drive | Fan tensioner assembly, idler pulley, fan clutch |
| Water Pump Circulation | Water pump, drive pulley, thermostat housing gasket |
| Alternator Power Generation | Alternator mounting bracket, serpentine belt |
| Engine Overhaul Kit | Seal kit, gasket set, front crankshaft seal |
A snapped belt is usually the symptom; the tensioner, pulley alignment or water pump bearing is the cause.
In the Guangzhou warehouse, I have processed too many return claims where the workshop replaced only the fan belt engine replacement for Bobcat Skid Steer and saw it fail again within weeks. A worn tensioner pulley bearing introduces harmonic vibration that shreds new rubber rapidly. Misaligned pulleys from a loose water pump mounting bolt cause edge wear that mimics a defective belt. When the root cause lives in an adjacent component, the replacement belt inherits the same destructive forces. [NEED_CITE: belt drive system alignment and tension standards for industrial engines]
The fan belt engine replacement for Bobcat Skid Steer transfers crankshaft torque to the cooling fan and often the water pump in a single loop. If the water pump impeller is corroded or the fan clutch is slipping, the belt operates under abnormal load profiles. Rebuild shops that swap the belt without inspecting the full drive loop report recurring overheating complaints that get blamed on the new part. System-level diagnosis prevents the same machine from returning on a flatbed.
Bobcat loaders across the S150 through S205 range may carry different engine generations depending on production year. An engine serial number change can alter pulley diameter or tensioner style, meaning the same machine model might need a different belt length or rib profile. Confirming the engine serial against the build plate avoids shipping a belt that physically fits the pulleys but runs too loose or too tight under operating temperature. [NEED_CITE: engine serial identification methods for skid steer powertrains]
This aftermarket belt is manufactured under ISO 9001 quality management, which governs process consistency rather than guaranteeing identical performance to any branded component. The 3-12 month warranty covers manufacturing defects such as ply separation or premature cracking, not installation errors or system-caused failures. The belt is designated as a direct replacement for machines listed in the fitment table, but verification against the specific engine serial remains the buyer's responsibility before bulk commitment. Condition is listed as New Aftermarket, meaning no remanufactured core exchange is required.
Workshops that replace only the belt and reuse a glazed tensioner face repeat failures that cost more in machine downtime than a full drive inspection would have. A seized idler pulley generates enough friction heat to degrade the belt backing within hours of operation. Overlooking a leaking front crankshaft seal allows oil contamination that softens the belt compound. These are not belt defects; they are system conditions that destroy any belt installed into that environment. [NEED_CITE: common causes of premature belt failure in mobile equipment engines]
Our own production lines and qualified sourced supply carry identical warranty terms, so you do not need to track which channel a specific belt came from. Eight product categories mean the tensioner, water pump, gaskets and seals for the same engine ship in one consignment under one commercial invoice. One-piece minimum order allows a single emergency belt without forcing a bulk commitment. The Guangzhou warehouse maintains stock on high-turnover cooling components for fast dispatch. Part identification works from a part number, machine model, or a photograph of the worn belt and nameplate. Cross-reference verification covers superseded numbers so you receive the correct current specification.
Provide the engine serial number from the build plate, not just the Bobcat loader model, so we can verify pulley and tensioner compatibility. If the original belt is still available, a photograph of any printed markings assists cross-reference confirmation. For overhaul kit requests, share the full engine rebuild scope so matched components arrive together.
Q: What other cooling system parts should be replaced when installing this fan belt? A: Inspect the tensioner assembly, idler pulleys and water pump bearing for play or noise. A worn tensioner destroys new belts quickly. Replace the front crankshaft seal if any oil seepage is present, since oil contamination degrades belt rubber. Consider thermostat and coolant condition during the same service window.
Q: Do different production years of the same Bobcat model use the same belt? A: Not always. Engine serial numbers can change across production years, and different engine variants may use different pulley diameters or belt lengths. Provide the engine serial from the build plate so we can confirm the correct belt specification before shipping.
Q: The new belt broke within days. What system causes should be investigated? A: Check for a seized tensioner or idler pulley generating excessive friction heat. Inspect pulley alignment, as misalignment causes rapid edge wear. Look for oil leaks from the front crankshaft seal contaminating the belt surface. Verify the water pump bearing is not loading the belt abnormally.
Q: Can we order a matched overhaul kit with this belt included? A: Yes. Gaskets, seals, bearings and adjacent drive components can ship in one consignment under a single invoice. Provide the engine model, serial number and rebuild scope so we can assemble the correct matched set for your specific engine variant.
<ul> <li>Set-matched components ship together with dimensional inspection records for overhaul verification.</li> </ul>
View Details<p>Stop unexpected downtime and costly engine damage from belt slippage or tension loss — this <strong>Cummins tensioner belt</strong> delivers OEM-equivalent performance for B3.9L and 5.9L engines, backed by our 6-month warranty and real-world validation across 4BTA/6BTA fleets.</p> <ul> <li><strong>Exact fit for Cummins 3937553 spec</strong> — includes the critical 0.85mm spring preload tolerance engineers rely on for consistent belt tracking</li> <li>Compatible with 4BT, 6BT, NT855, 6CT, 4BTA & 6BTA 5.9L — no guesswork when cross-referencing legacy or marine-spec builds</li> <li>Ships same-day from Guangzhou warehouse — no waiting weeks for OEM backorders or risking counterfeit imports</li> <li>Pre-tested for 120kPa dynamic load retention at 120°C, matching factory thermal cycling standards</li> </ul>
View Details<p>Stop unexpected shutdowns and keep your Deutz TCD2.9 running smoothly with this high-tensile ribbed V-belt — engineered for precise fit and lasting grip on the alternator and auxiliary drives. Unlike generic belts that slip or stretch under load, this replacement delivers OEM-equivalent torque transfer and heat resistance right out of the box.</p> <ul> <li><strong>Exact-fit replacement</strong> for Deutz D2.9, TD2.9, TCD2.9 L4 & TCD2.2 L3 engines — no guesswork, no trial-and-error</li> <li>Cross-references both 01184002 and 04131488 — critical for sourcing consistency across service manuals and dealer catalogs</li> <li>Features EPDM + high-modulus polyester cord construction: the same material spec used in genuine Deutz service kits to resist oil mist, ozone, and thermal cycling</li> <li>MOQ 1 piece — shipped same day from Guangzhou warehouse if ordered before 3 PM CST</li> </ul>
View Details<p><strong>106-4383 Drive Belt for Toro Groundsmaster</strong> — high-tensile polyester cords with heat-resistant rubber compound, complete drop-in fitment. Part of the engine accessory drive system on Groundsmaster 322-D, 325-D, 327, 328-D and 345 mowers; matched belt-and-tensioner inspection prevents premature re-failure from misalignment or seized pulleys. Cross-reference: 23-1820, 265-896, 53-9660.</p> <ul> <li>Overhaul kit contents verified item by item before dispatch</li> </ul>
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