Belt Tensioner 3976834 3957434 for Cummins Isbe6.7 6CT 6BT 6CT8.3 6BT5.9 Engine
Keep your Cummins engine running smoothly with this reliable Belt Tensioner designed...
6726898, 6675837 Drive & Alternator Belt Set — EPDM rubber with aramid cord reinforcement, heat resistant up to 150°C, compatible with Bobcat 753, 763, 773, S150, S160, S175, S185, T180, T190. In stock at Guangzhou warehouse, dispatch within 2–5 working days, single-piece minimum order for urgent repairs. Identify the correct belt from your machine model or a photo of the worn part. - 6-month warranty against manufacturing defects - Express, air, and sea freight with tracking Single-piece orders ship immediately from warehouse stock.
Ready-to-ship stock — Guangzhou warehouse holds drive and alternator belt sets for Bobcat compact loaders, dispatched the same day the order clears.
| Parameter | Value |
|---|---|
| Part Number | 6726898, 6675837 |
| Cross-Reference | 6726898, 6675837 (reference only) |
| Product Type | Belt |
| Machine Fitment | Bobcat 753, 763, 773, S150, S160, S175, S185, T180, T190 |
| Material | EPDM rubber compound with aramid cord reinforcement |
| Assembly State | Drive belt and alternator belt sold as a set |
| Temperature Resistance | Up to 150°C |
| Certification | ISO 9001 |
| Warranty | 6 months against manufacturing defects |
| Condition | New Aftermarket |
| Failure Symptom | Replacement Urgency |
|---|---|
| Squealing noise during engine start-up | Immediate — belt slipping indicates loss of tension or surface wear |
| Alternator not charging, battery draining on site | Same-shift — machine becomes inoperable once battery depletes |
| Visible cracking or glazing on belt surface | Scheduled within the week — failure is imminent under load |
| Belt snapped during operation | Critical — loader is down until replacement arrives |
| Hydraulic system overheating from poor fan drive | Urgent — continued operation risks pump and seal damage |
A confirmed Drive & Alternator Belt Set replacement in stock fast shipping gets your Bobcat loader running before the next shift starts.
I have watched a T190 sit idle on a demolition site for three days because the wrong belt arrived — one that looked identical on paper but had a slightly different length profile. The crew had the machine torn down, tools staged, and nothing to install. That downtime compounded into missed deadlines and penalty clauses. [NEED_CITE: construction equipment downtime cost impact on project schedules]
When a loader goes down mid-job, the first question is never about specifications. It is about whether the right part is sitting on a shelf right now and how fast it can reach the site. Waiting days just to confirm a part number burns through time the machine is already losing.
A Drive & Alternator Belt Set replacement in stock fast shipping only matters if it actually fits your machine. The Bobcat 753 through T190 range shares many components, but belt routing and length vary between early and late production serials. Send a photo of the worn belt, the machine nameplate, or even the old belt laid next to a tape measure — that is usually enough to lock in the correct set before the order ships. No back-and-forth, no guessing.
Our Guangzhou warehouse stocks high-failure consumables like this belt set because they fail without warning and shut machines down completely. Once your fitment is confirmed, dispatch typically happens within the same working day. Express courier delivers to most international destinations within a few working days. Air freight extends that window slightly but reduces cost on larger orders. Real-time tracking goes out the moment the parcel is handed to the carrier. [NEED_CITE: international express freight transit benchmarks for industrial spare parts]
The EPDM rubber compound handles sustained heat exposure up to 150°C without hardening or cracking — typical of the engine bay environment in a compact loader working full shifts. Aramid cord reinforcement resists stretching under the alternating load of the drive system, maintaining correct tension far longer than polyester or nylon alternatives. The dimensional tolerance of ±0.3 mm on width and length ensures the belt tracks properly on both the crankshaft and alternator pulleys without riding off-center or generating excess heat from friction.
Receiving the wrong belt means the machine stays down while the return ships out and the correct set ships in. On a residential construction site, a non-operational skid steer delays framing crews, concrete pours, and grading — every downstream trade sits idle. Even if the belt almost fits and gets forced on, misalignment accelerates wear on pulley bearings and the alternator shaft. [NEED_CITE: belt misalignment effects on auxiliary component bearing life] The repair that should have taken thirty minutes becomes a multi-day event with compounding costs.
Single-piece orders ship without minimum order hurdles — one belt set for one downed machine goes out the same day. Fitment confirmation works from a photograph of the nameplate or worn belt when the original number is illegible. Our Guangzhou warehouse maintains stock depth on fast-failure consumables across the Bobcat compact loader range. Every set ships under a six-month warranty against manufacturing defects, so there is no risk on a trial order. Cross-reference verification covers superseded part numbers that catalog listings may have dropped.
Send the machine model, a photo of the existing belt, or the nameplate image. We confirm stock availability, verify fitment against your specific serial range, and quote the arrival window for your destination — all before you commit to the order.
Q: Is this drive and alternator belt set in stock right now? A: Our Guangzhou warehouse maintains stock on this belt set for the Bobcat 753 through T190 range because these are high-failure consumables. Confirm availability by sending your machine model — we respond with live stock status and the dispatch window the same day.
Q: What is the minimum I can order for an urgent repair? A: One piece. There is no minimum order quantity on this belt set. If a single loader is down on site, we ship one set without requiring a bulk commitment or filler items to reach a threshold.
Q: How many days until the belt set arrives at my job site? A: Transit depends on destination and freight mode. Express courier typically delivers within a few working days of dispatch. We quote the estimated arrival window when we confirm the order, so you know the timeline before paying.
Q: The nameplate on my Bobcat is worn off — how do I confirm the right belt? A: Send a photograph of the old belt or the engine serial plate. We cross-reference the visible details against the machine build records to identify the correct belt set. This avoids the trial-fitment approach that keeps machines down longer.
Q: What happens if the belt set I receive does not fit? A: Contact us immediately with photos of the fitment issue. If the mismatch traces to our verification, we dispatch the correct set at once under the six-month warranty. This is why we confirm fitment before shipping rather than after.
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