Belt Drive Systems
Drive Belt & Tensioner Assembly for Bobcat S510 S530 – In Stock
ISO Certified Quality Assured
2-5 Day Ship Fast Dispatch
3-12 Mo. Warranty
Belt Drive Systems 7257359 Belt Tensioner Bobcat Compatible

Drive Belt & Tensioner Assembly for Bobcat S510 S530 – In Stock

7257359 Belt Tensioner Assembly, EPDM rubber with aramid reinforcement, 3VX belt profile — replacement for Bobcat S510, S530, S550, S570, S590, S595, T550, T590, T595 skid steer loaders.

  • Kept in Guangzhou warehouse stock for immediate dispatch
  • Single-set minimum order supports emergency breakdown repairs
  • Part identified from machine model or nameplate photo when numbers are worn
  • Express, air, and sea freight with arrival timing quoted upfront

Dispatch from stock confirmed in real time before payment, with estimated arrival provided at quote stage.

Key Highlights

  • Fits CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, Sany, XCMG & more
  • Sourced from ISO-certified factories with strict QC inspection
  • MOQ = 1 piece · In-stock items ship in 2-5 working days
  • 3-12 month warranty · 24-hour quotation guarantee
Ships from Guangzhou
120+ countries served
MOQ: 1 piece
Quote in 24 hours

Stock, Dispatch & Identification — Our Guangzhou warehouse holds this Bobcat-compatible drive belt and tensioner assembly ready to ship the same day, with part confirmation available from a single photograph.

Technical Specifications

Parameter Value
Part Number 7257359
Cross-Reference 7273503, 7274780, 7167165, 3GM12110, 59CM835, 7CM12140, 7196910, 7201887, 7273604, 6564692, 7152658, 53DM12, 7145358 (reference only)
Machine Fitment Bobcat S510, S530, S550, S560, S570, S590, S595, T550, T590, T595
Product Type Belt Tensioner
Assembly State Drive Belt & Tensioner Assembly
Belt Profile 3VX cross-section
Belt Tensile Strength ≥2,400 N
Tensioner Spring Load Tolerance ±3%
Belt Elongation Limit ≤0.3%
Temperature Resistance up to 120°C
EPDM Compression Set <12% after 72h at 100°C
Pulley Surface Finish Ra ≤1.6 μm
Surface Treatment Zinc-nickel plating (8–12 μm thickness)
Warranty 6-month standard warranty against manufacturing defects
MOQ 1 set

Application Suitability

Failure Symptom Replacement Urgency
Squealing or chirping noise during engine startup Immediate — indicates belt slippage and accelerated wear
Visible cracks or fraying on the belt surface Same-shift replacement required to prevent catastrophic snapping
Tensioner arm oscillating excessively at idle Urgent — spring fatigue will lead to belt derailment
Loss of hydraulic power or auxiliary attachment function Critical — machine is effectively down until drive is restored

When the Machine is Down and Every Hour Counts

A downed skid steer loader does not wait for standard lead times.

When a drive belt snaps on a demolition site or a tensioner seizes in a quarry, the machine stops earning immediately. Dealers often quote multi-week lead times for a simple belt kit, leaving contractors to rent replacement equipment or scramble for used parts. We maintain the Drive Belt & Tensioner Assembly in stock fast shipping from our Guangzhou facility specifically to eliminate this downtime window [NEED_CITE: mobile equipment drive belt failure rates in heavy construction applications].

Immediate Availability and One-Piece Ordering

This Drive Belt & Tensioner Assembly in stock fast shipping is held in our Guangzhou warehouse, ready for same-day dispatch when orders are confirmed before the daily cutoff. We enforce a one-set minimum order, meaning a single emergency repair does not require you to purchase bulk inventory you do not need. The assembly arrives pre-matched, so the belt and tensioner are guaranteed to work together without trial fitment on the shop floor.

Confirming the Part Without a Legible Nameplate

Skid steer loaders working in asphalt recycling or dusty quarry environments often have nameplates that are painted over, corroded, or entirely missing. Our technical team can identify the correct Drive Belt & Tensioner Assembly from a photograph of the old part, the engine compartment, or even the machine's serial number plate [NEED_CITE: equipment identification protocols for aftermarket parts verification]. We verify cross-references like 7273503 or 7167165 within hours, preventing the costly mistake of ordering a non-fitting variant.

Engineering Parameters That Dictate Field Performance

The 3VX cross-section belt profile is engineered for high-speed, small-diameter pulley applications typical in compact loader engine bays. The EPDM rubber compound with aramid fiber reinforcement delivers tensile strength of ≥2,400 N, which is critical when the engine pulses torque through the drive system during heavy digging cycles. The tensioner spring maintains load within ±3% tolerance, ensuring the belt tracks correctly without excessive side-loading that would prematurely wear the pulley grooves. Zinc-nickel plating on the tensioner arm resists the salt, moisture, and chemical exposure common on construction sites.

Drive Belt & Tensioner Assembly for Bobcat S510 S530 showing belt routing and tensioner arm position

The Cost of Guessing on Part Numbers

Ordering the wrong tensioner assembly means the machine stays down while the correct part ships. Even a belt that physically fits but has the wrong cross-section or tensile rating will slip under load, generating heat that degrades the EPDM compound and leads to premature failure [NEED_CITE: belt drive system failure modes in skid steer loaders]. A tensioner with incorrect spring load will either over-tension the belt (destroying bearings) or under-tension it (causing slip and squeal). The time lost to a misidentified part often exceeds the time spent confirming the correct reference upfront.

Why Source This Assembly Here

Our Guangzhou warehouse holds this specific assembly for Bobcat-compatible S-series and T-series loaders, with real-time stock confirmation provided before payment. We identify parts from photographs, machine models, or worn nameplates, eliminating the guesswork that leads to wrong orders. The 6-month warranty covers manufacturing defects, and our technical team verifies compatibility against your specific machine serial number before dispatch. You receive commercial documentation, packing photographs, and customs support in a single transaction.

Documentation & Verification

  • Commercial invoice and packing list with 7257359 and cross-references clearly marked
  • Part compatibility sheet confirming fitment for your specific S510–S595 or T550–T595 serial range
  • Quality inspection record showing dimensional checks on belt profile and tensioner spring load
  • 6-month warranty terms covering manufacturing defects, provided in writing at order confirmation
  • Packing photographs showing the assembly secured for transit before the crate is sealed
  • HS code and customs documentation support for international express shipments

Stock, Shipping & Arrival

  • Guangzhou warehouse holds this Drive Belt & Tensioner Assembly in stock fast shipping with same-day dispatch capability
  • Express courier (DHL/FedEx/UPS) delivers to most international destinations within a typical multi-day window
  • Air freight available for regional buyers needing cost-effective delivery on single-set orders
  • Sea freight quoted for buyers consolidating multiple skid steer parts into one container shipment
  • Packaging is rated for courier handling, with the tensioner arm secured to prevent transit damage
  • Tracking number and estimated arrival provided at the quote stage, not after payment

Tensioner arm spring mechanism and pulley surface finish detail

Request a Quote with Confidence

Provide your machine model (S510, S530, S550, S560, S570, S590, S595, T550, T590, or T595), the old part number if visible, or a photograph of the nameplate and existing assembly. We will confirm stock status, verify compatibility, and quote the Drive Belt & Tensioner Assembly in stock fast shipping with an estimated arrival date for your location. For buyers with multiple machines down, send the full repair list and we will confirm availability across all items in one response.

Frequently Asked Questions

Q: Is this assembly in stock and when can it ship? A: Yes, the 7257359 Drive Belt & Tensioner Assembly is held in our Guangzhou warehouse for immediate dispatch. Orders confirmed before the daily cutoff typically ship the same business day. We provide a dispatch window and estimated arrival at the quote stage, so you know exactly when the part will arrive before committing to the purchase.

Q: What is the minimum I can order for an emergency repair? A: The minimum order is one set. We do not require bulk commitments or dealer-level quantities for emergency repairs. A single Bobcat skid steer down on a jobsite is sufficient reason to order, and the assembly ships as one complete unit with belt and tensioner matched for correct fitment.

Q: My nameplate is worn — can you identify the part from a photo? A: Yes. Send a clear photograph of the old belt, the tensioner arm, or the engine compartment. Our technical team cross-references visual features against known variants for the S510 through S595 and T550 through T595 range. We confirm the correct part number within hours, preventing the cost and delay of ordering a non-fitting component.

Q: How long does express delivery take to my region? A: Express courier delivery times vary by destination country and customs clearance speed. We quote the estimated arrival window based on your specific location at the time of inquiry, not after payment. For urgent breakdowns, we can confirm whether express, air freight, or a regional courier offers the fastest path to your site.

Q: What happens if the part arrives and doesn't fit? A: Our technical team verifies compatibility against your machine model and serial number before dispatch. If the part arrives and does not fit due to an error on our side, we arrange return and replacement at our cost. The 6-month warranty also covers manufacturing defects. We recommend confirming the part number and machine details at the quote stage to prevent fitment issues.

Compatible Brands & Models

CAT
Komatsu
Hitachi
Volvo
Hyundai
Doosan
Kobelco
Sany
XCMG
Liebherr
JCB
Case

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.

Shipping Information

  • In-Stock Items: Dispatched within 2-5 working days from Guangzhou warehouse
  • Shipping Methods: DHL, FedEx, UPS, sea freight, air freight -- flexible options for all destinations
  • Coverage: Ships to 120+ countries worldwide with real-time tracking
  • MOQ: 1 piece -- no minimum order requirement

Warranty & Quality

  • Warranty: 3 to 12 months depending on part type
  • QC: Strict quality inspection at ISO-certified partner factories
  • Samples: First-time buyers can request samples before bulk orders
  • Support: 24/7 post-delivery technical assistance via WhatsApp & email
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