Belt Tensioner 7167165 for Bobcat S510 S570 S590 T770 – Cross-Reference

Variant-Mapped Fitment — Cross-reference verification spans superseded numbers from 7167165 through 7274780 so the belt tensioner assembly you receive bolts on correctly the first time.

Technical Specifications

Application Suitability

Why the Same Tensioner Part Number Ships in Several Variants

A single base number can cover multiple pulley diameters, spring rates, and bracket geometries across engine generations.

I have opened boxes labeled 7167165 that arrived on a job site for a Bobcat S590, only to find the rocker arm pivot hole offset by a few millimeters from what the machine required. The part number matched the catalog listing, but the machine serial fell in a range that used a revised bracket introduced mid-production. [NEED_CITE: Bobcat service bulletin revisions for S-series loader belt drive components]. This is not a supplier error — it is a consequence of superseded numbers accumulating in aftermarket databases without variant-level notes attached to each one.

The belt tensioner assembly for Bobcat S510 S570 S590 T590 T770 cross reference lookup often returns a dozen interchange numbers, yet the databases rarely tell you which variant fits your exact serial range. A T740 built in one year may share the base number with a T740 built two years later but use a different spring tension range and pulley width. Without checking the specific production batch against the machine data plate, you risk receiving a unit that physically bolts on but leaves the belt tracking off-center under load.

Mapping Superseded Numbers to the Correct Assembly Variant

Thirteen OEM reference numbers appear across legacy and current Bobcat loader documentation for this belt tensioner family. Each number was assigned during a specific production window or to a particular engine configuration within the S-series skid steer and T-series compact track loader lines. Our cross-reference verification traces each superseded number — including 7273503, 7196910, and 6564692 — back to the engine serial ranges and assembly drawings where it was originally specified. When a buyer provides a machine model and serial number, we match it against the variant table rather than relying on a single catalog entry. This prevents the belt tensioner assembly for Bobcat S510 S570 S590 T590 T770 cross reference from defaulting to a generic listing that ignores production-split differences.

Physical Interface Points That Determine Fitment

The rocker arm pivot bore and the bracket mounting pattern are the two interfaces where variant mismatches surface first. On the S750 and S770 heavy-duty skid steers, the pivot shaft diameter remained constant across engine generations, but the bracket bolt spacing changed when the engine block casting was revised. [NEED_CITE: compact loader engine block casting revision documentation]. The pulley face width also varies — narrower on earlier S530 and S550 models, wider on the T770 and T870 large-frame track loaders. Before we confirm an order, we ask buyers to measure the mounting hole center-to-center distance and pulley width on the removed assembly, then compare those dimensions against our variant chart. The PTFE-impregnated bronze bushing concentricity at 0.005 mm ID/OD ensures smooth oscillation once the correct variant is installed, but no bushing quality compensates for a bracket that does not align with the engine block bosses.

Reading the Specifications Against Your Operating Conditions

The 6061-T6 aluminum pulley was selected for its balance of low rotational inertia and thermal conductivity — the pulley sheds heat from belt friction rather than trapping it at the bearing interface. A runout tolerance of ±0.02 mm keeps the belt tracking stable at operating speed, which directly affects belt life on machines running continuous cycles in quarry or demolition environments. The ASTM A228 music wire spring, preset and stress-relieved, delivers 180–220 N of tension across its travel range. This tension window is narrow enough to prevent over-tightening that accelerates bearing wear on the alternator and water pump, yet firm enough to eliminate belt slip during cold-start crank-up when accessory drag peaks. The normalized 45# carbon steel rocker arm at HRC 38–42 resists the cyclic fatigue that causes lower-grade arms to crack at the pivot radius after repeated thermal cycles. [NEED_CITE: belt drive system fatigue failure modes in compact construction equipment].

What Happens When the Wrong Variant Gets Installed

A tensioner that bolts on but carries the wrong spring rate does not fail immediately. Instead, the belt runs slightly loose at low RPM, producing a chirp that operators dismiss as normal accessory noise. Over weeks, the alternating slip-and-grip motion wears the belt ribs unevenly, and the pulley bearing absorbs shock loads it was never rated for. On a T870 running a hydraulic attachment circuit, the extra accessory load can push a marginal tensioner past its radial load capacity, leading to arm deflection and belt derailment. The machine then goes down unexpectedly, and the maintenance team replaces the belt without realizing the tensioner variant was the root cause. [NEED_CITE: belt drive misalignment failure analysis in heavy equipment service records]. The cost is not the tensioner itself — it is the second unplanned downtime event and the freight on an emergency belt order.

Why Buyers Source This Tensioner Through Our Desk

We produce selected part lines in our own facility and source the remainder from qualified ISO-certified manufacturing partners, with both paths carrying identical QC and warranty terms — so the belt tensioner assembly for Bobcat S510 S570 S590 T590 T770 cross reference you receive meets the same dimensional checks regardless of production batch. Eight product categories sit under one account, meaning the tensioner ships alongside the replacement belt, seal kits, and any adjacent filters in a single consignment. Minimum order is one piece, which matters when a single machine is down and the fleet does not need ten spare tensioners. Our Guangzhou warehouse stocks common variants for fast dispatch, while our technical team confirms variant-level compatibility from a machine model, serial number, or a photograph of the removed assembly. Sample units are available for physical fitment validation before you commit to a fleet-quantity order.

Documentation & Verification

• Commercial invoice and packing list referencing each Bobcat machine model in the order
• Part compatibility and cross-reference sheet listing all thirteen interchange numbers as reference only
• Dimensional inspection record covering pulley runout, bushing concentricity, and mounting hole spacing
• Warranty terms from 3 to 12 months covering manufacturing defects on the complete assembly
• Packing photographs showing the tensioner secured against movement during transit
• HS code and customs documentation support for destination-country import requirements

Fitment Check Before Installation

• Compare the bracket mounting hole center-to-center distance on the new unit against the removed assembly before bolting on
• Verify pulley face width matches the belt width specified for your Bobcat engine generation
• Confirm the pivot shaft slides freely into the PTFE-impregnated bronze bushing without lateral play
• Check spring orientation against the service manual diagram — reversed preload direction causes immediate undertension
• Rotate the pulley by hand to detect any binding in the bushing before applying belt load
• If dimensions do not match, halt installation and contact us with photographs for variant re-verification

Request a Fitment Confirmation Before You Order

Send us the machine model and serial number from the data plate, or a photograph of the removed tensioner showing the bracket and pulley. If the nameplate is worn or painted over, a photo of the engine block casting number is enough for us to narrow down the correct variant. For fleet orders covering mixed Bobcat S-series and T-series loaders, provide the full machine list so we can map each unit to the right assembly and flag any serial-range splits before the order ships.

Frequently Asked Questions

Q: How do I confirm this belt tensioner assembly fits my specific Bobcat model and serial range? A: Provide the machine model and serial number from the data plate. We cross-reference your serial against the variant table that maps each superseded number to specific production windows. If the data plate is missing, a photograph of the removed tensioner bracket and pulley allows us to measure key dimensions and match the correct assembly variant.

Q: My old part has a different number — can I still use this assembly as a replacement? A: Yes, in most cases. This tensioner family carries thirteen OEM reference numbers assigned across different production periods and engine configurations. We verify whether your specific number is a direct supersession or a parallel variant that requires dimensional confirmation before substitution.

Q: Why do multiple part numbers appear for what looks like the same tensioner? A: Bobcat revised the belt drive system across engine generations, changing pulley widths, spring rates, and bracket bolt patterns while retaining the base family designation. Each superseded number corresponds to a specific production window. We map these numbers to serial ranges so the assembly you receive matches your machine's build configuration.

Q: I only have the machine model with no readable part number — can you still identify the right part? A: Yes. The machine model alone narrows the field, and the serial number — if available — pinpoints the exact variant. When neither is readable, a photograph of the engine block casting or the existing tensioner mounting interface provides enough reference for us to confirm fitment against our cross-reference database.

Q: Can I get a sample to test fit before ordering for my whole fleet? A: We supply sample units for physical fitment checks before you commit to bulk quantities. Install the sample on one machine, confirm bolt pattern alignment, belt tracking, and spring tension feel, then approve the fleet order. This step eliminates the risk of receiving a full shipment of the wrong variant.