Belt Tensioner 3976834 3957434 | Fast Dispatch for Cummins 6CT 6BT
Belt Tensioner 3976834 3957434 — replacement unit compatible with Cummins ISBE6.7, 6CT,...
6735884 Belt Tensioner Pulley Assembly for Bobcat 653, 751, 753 skid steer loaders — forged AISI 1045 carbon steel body, double-sealed 6204-2RS bearing rated to +120 °C.
Dispatch timeline quoted at order confirmation so your crew knows exactly when the skid steer runs again.
Stocked and Ready — 6735884 belt tensioner pulley assemblies ship from our Guangzhou warehouse within days, keeping your skid steer off the idle list.
| Parameter | Value |
|---|---|
| Part Number | 6735884 |
| Product Type | Belt Tensioner |
| Cross-Reference | 6711698 (reference only) |
| Machine Fitment | 653, 751, 753, 763, 773, 7753 |
| Brand Compatibility | Compatible with Bobcat |
| Material | Forged Carbon Steel (AISI 1045) |
| Hardness | 52–56 HRC |
| Bearing Type | Double-sealed deep-groove ball bearing (6204-2RS) |
| Bearing Grease Rating | -30°C to +120°C |
| Shaft Runout | ≤0.03 mm |
| Mounting Bolt Specification | ISO metric M8×1.25 |
| Mounting Positional Tolerance | ±0.1 mm |
| Assembly State | Pulley Assembly |
| Condition | New Aftermarket |
| Warranty | 3–12 months against manufacturing defects |
| MOQ | 1 piece |
| Standards | ISO 9001, SAE J1922, ISO 10100-2 |
| Failure Symptom | Replacement Urgency |
|---|---|
| Squealing or chirping noise during engine operation | Immediate — belt slip damages adjacent accessories |
| Visible wobble or lateral play on the tensioner pulley | High — bearing failure can throw the drive belt |
| Cracked or glazed drive belt with no obvious cause | High — tensioner may be seized or weak |
| Belt tracking off-center across pulley grooves | Immediate — misalignment causes rapid belt wear |
A confirmed 6735884 Drive Belt Tensioner Pulley in stock means your skid steer runs again this week, not next month.
I have watched a small contractor lose an entire grading window because the belt tensioner on his 753 failed on a Monday and the supplier he called required a multi-piece minimum he did not need. The machine sat in the yard while he waited for someone willing to ship a single unit. That kind of delay costs far more than the part itself [NEED_CITE: downtime cost impact on small equipment contractors]. When you need a fast shipping replacement for a belt drive component, the conversation should be about dispatch timing, not order thresholds.
Locating the correct drive belt tensioner pulley should not take longer than the repair itself. Our Guangzhou warehouse maintains stock of the 6735884 assembly, which serves as a direct replacement for Bobcat 653, 751, 753, 763, 773, and 7753 skid steer loaders. Send a part number, a machine model, or a photograph of the worn component — even if the nameplate is painted over or unreadable. We confirm fitment and stock status within hours, not days, so you can schedule the repair before the weekend.
Once the 6735884 Drive Belt Tensioner Pulley in stock is confirmed, the clock starts on getting it to your bay. Express carriers such as DHL, FedEx, and UPS handle single-piece shipments with typical transit windows of two to five working days for most international destinations. Air freight suits slightly larger orders, and sea freight is available for consolidated restocks [NEED_CITE: international express freight transit benchmarks for machinery parts]. Every shipment includes real-time tracking so your workshop can plan the teardown around the arrival date rather than guessing. The pulley assembly is packed to survive courier handling, with the bearing protected from impact and contamination during transit.
The forged AISI 1045 carbon steel body delivers the structural rigidity needed to hold alignment under continuous belt load, resisting deformation that cheaper cast alternatives develop over time. Shaft runout held to 0.03 mm or less means the pulley tracks true, preventing the belt from walking off-center and wearing prematurely on one flank. The 6204-2RS double-sealed bearing keeps grease in and abrasive dust out — a critical detail on demolition and quarry sites where fine particulate infiltrates every exposed surface. Grease rated from -30°C to +120°C covers cold-start mornings and sustained high-load afternoons without breaking down or stiffening beyond operational range.
Ordering an incorrect or substandard tensioner assembly creates a cycle of repeat downtime that compounds quickly on a busy jobsite. A pulley with excessive runout will wear a new belt within weeks, forcing another teardown and another parts order. A bearing that lacks adequate sealing fails in dusty conditions, sometimes throwing the belt entirely and leaving the operator stranded mid-task [NEED_CITE: premature belt drive failure causes in skid steer loaders]. The labor cost of a second repair always exceeds the savings from choosing an unverified part, especially when the machine was already behind schedule before the first breakdown.
Our Guangzhou warehouse stocks the 6735884 assembly alongside thousands of other aftermarket components, so an emergency single-piece order ships just as fast as a bulk restock. We accept part identification from a number, a machine model, or a photograph of the old component — useful when the nameplate is gone. Both our own production lines and qualified sourced supply carry identical quality control and warranty terms, so you receive consistent coverage regardless of origin. Cross-reference verification covers superseded numbers such as 6711698, ensuring you receive a unit that fits your specific machine serial range. Sample units are available for fitment confirmation before any larger commitment, eliminating the risk of trial installation on a live machine.
Send the part number 6735884 or the old 6711698 reference, your machine model, or a photograph of the tensioner and nameplate. We will confirm stock availability, freight options, and estimated arrival within hours so you can plan the repair immediately.
Q: Is this part in stock and when can it ship? A: The 6735884 Drive Belt Tensioner Pulley in stock is maintained at our Guangzhou warehouse for immediate dispatch. Once your order is confirmed, express shipments typically move within one to two working days, with transit arriving in two to five working days depending on destination. We confirm the exact timeline before you commit.
Q: What is the minimum I can order? A: One piece. We understand that a belt tensioner failure usually affects a single machine, so there is no minimum order quantity blocking an emergency repair. Order exactly what the job requires without padding the purchase to meet arbitrary thresholds.
Q: How fast can it arrive at my location? A: Express carriers handle single-unit shipments with typical transit of two to five working days internationally. We quote the estimated arrival window at the time of order so your workshop can schedule the machine teardown around a known delivery date rather than guessing.
Q: My nameplate is unreadable — can you identify the part from a photo? A: Yes. Send a photograph of the worn tensioner assembly, the belt routing, or the machine itself. Our technical team cross-references visual details against fitment records for Bobcat 653, 751, 753, 763, 773, and 7753 models to confirm the correct unit.
Q: What happens if the part arrives and doesn't fit? A: If our fitment confirmation was based on incorrect information we provided, we arrange replacement at our cost. We recommend sending your machine serial number or old part photograph up front to verify compatibility before dispatch and eliminate this risk entirely.
Not sure if this part fits your machine? Send us your machine model number and serial number via WhatsApp or email -- our specialists will verify compatibility within 2 hours.
Fill in your details and we'll respond within 24 hours with a competitive quote.
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