How to choose wheel loader tires for quarry work. You choose wheel loader tires for quarry work by matching three facts: the machine size, the rock, and the shuttle distance. Most quarry loaders sit on 17.5-25, 20.5-25 or 23.5-25, with L3 for mixed gravel and L5 when sharp rock cuts the tread and sidewall. Bias casings still fit short, slow cycles. Radial casings usually run cooler when the loader shuttles farther on a haul road beside dump trucks. Write G2/L2, E3/L3 or L5 on the RFQ, plus rim type and whether you need tube-type or tubeless. If the same loader also works a crusher pad or a wet pit floor, say so. A sand-pit pattern fails on granite faces even when the size stamp looks correct.
Quarry buyers often copy the size painted on the old carcass and stop there. That gets you a tire that mounts. It does not get you a tire that lasts. Cut, heat, and underfoot traction fail for different reasons, and a loader that feeds an articulated dump truck on a 400-meter shuttle is not the same job as a face loader that barely rolls.
China Baowu New Materials Co., Ltd. quotes mixed OTR sizes for wholesalers who send application, quantity and destination port. Use the wheel loader tire program as a size map, then lock the tread code before you compare two offers.
Key takeaways
- Size gets the tire on the rim. Tread code and construction decide whether quarry rock or heat kills it first.
- L5 is the usual rock-face answer on 20.5-25 and 23.5-25. L3 is enough for many gravel and sand cycles.
- Bias can still be the right buy on short, slow loader work. Radial is the better default when the shuttle is long.
- One loader working two jobs needs the harder job written on the RFQ, not an average of both.
- Photos of the failed tire (tread, sidewall, bead) tell a factory more than the word “quarry” alone.
What quarry work does to a wheel loader tire
Quarry work attacks loader tires with cut, chunking, and heat, not with highway abrasion. A 17.5-25 on a compact loader that stays on a crushed-stone pad sees different damage than a 23.5-25 that climbs a granite face and then runs a bench road. Sidewall cuts show up when the loader turns against blasted rock. Crown cuts show up when the operator spins in the pile. Heat shows up when cycle distance grows and inflation is low.
Read the failed carcass before you reorder. If the tread still has depth and the sidewall is sliced, you need more cut protection, not a deeper highway-style lug. If the tire is worn smooth with no cuts, you may be overpaying for L5 on a gravel job. The mining tire range and the loader range overlap on several 25-inch sizes, so the category name on a website is not a spec.
CDC/NIOSH mining guidance (2024) treats haul-road condition and rock as operational controls, not as afterthoughts. You should treat them the same way in a tire brief: rock type, floor condition, and how far the loader travels loaded. See the NIOSH mining pages when you write site notes for a supplier.
How to choose wheel loader tires for quarry work by size and tread
You start how to choose wheel loader tires for quarry work with the size stamped on the machine or the old tire, then you pick a TRA-style tread family. Common loader sizes in quarry yards are 15.5-25, 17.5-25, 20.5-25, 23.5-25 and 26.5-25. Compact loaders also show 10.5/80-18 and 12.5/80-18. Do not “step up” a size because a catalog photo looks more aggressive. Rim width and machine clearance come first.
Use this sequence:
- Copy size, ply or star marking, and TT/TL from the sidewall or the machine plate.
- Name the rock (limestone, granite, wet gravel, recycled concrete) and the longest loaded run.
- Pick L3 for mixed gravel or L5 for sharp rock and high cut rates.
- Pick bias or radial from cycle length and heat, not from habit.
- Ask for a pattern photo of the exact SKU, not a family collage.
ISO groups earth-mover tyre standards under classification 83.160.99 (2023 overview). Use that page when you need the standards map, not when you need a compound name. The ISO earth-mover tyre overview is a catalog of documents. It is not a substitute for your site notes.
If you already know the size and only need a factory to confirm pattern and packing, send the list through the wholesale tire inquiry form with destination port. That is faster than a size-only email.
Bias or radial: which loader casing fits the quarry cycle
Bias loader tires still make sense when the machine stays close to the face, speed stays low, and the buyer wants a simpler casing for a rough floor. Radial loader tires usually make sense when the loader travels farther, spends more time on a graded haul road, or shares a site with dump trucks that already run radial 14.00R25 or 18.00R25. The casing choice is a heat and deflection choice. It is not a quality slogan.
| Factor | Option A | Option B | Best for | Watch-out |
|---|---|---|---|---|
| Construction | Bias (example: 20.5-25) | Radial (example: 20.5R25) | Bias for short, slow face work; radial for longer shuttle | Mixing bias and radial on the same axle |
| Tread family | L3 / E3 | L5 | L3 on gravel and sand; L5 on sharp rock | L5 on a fast gravel cycle can run hotter than you expect |
| Size class | 17.5-25 compact loader | 23.5-25 production loader | Match the machine, not the catalog hero size | A wider tire that rubs a bucket arm is a failed buy |
| Site mix | Loader only | Loader plus dump trucks | Same rock notes on both RFQs | Copying a dump E4 pattern onto a loader |
| Failure mode | Cut / chunk | Heat / wear | Cut needs deeper, tougher tread; heat needs casing and inflation | Reordering the same SKU after a cut-out |
Bottom line: if the last set died from cuts with tread left, move toward L5 and a cut-resistant pattern. If the last set cooked or wore out evenly on a long shuttle, look at radial and inflation discipline before you buy a heavier tread.
UNECE vehicle regulations (2024) are the wrong first document for a quarry loader, but they still matter if your wholesale program also ships highway truck sizes in the same container. Keep OTR notes and highway notes in separate lines on the RFQ. The UNECE vehicle regulations index is the place to start for those highway lines.
What you should send so a factory can quote the right loader tire
A factory cannot guess granite versus sand from the words “wheel loader.” Send application, size, quantity and destination port. Add rock type, one-way loaded distance, and whether the loader works a crusher hopper or a raw face. If you have a photo of a failed 23.5-25 sidewall, attach it. Pattern codes differ even when two tires share a size stamp.
Ask for inspection before packing. Baowu’s quality control page describes a practical check: size, pattern and appearance before the container is stuffed. That is the right moment to catch a G2/L2 that was quoted against an L5 brief.
Do not invent a star rating or ply rating you cannot read on the old tire. If the marking is gone, say “marking worn, machine is a mid-size loader on 20.5-25” and let the desk confirm against the rim. Wrong ply on a 14.00-24 related size is a common mix-up when yards also run dump trucks.
How to choose wheel loader tires for quarry work without freezing cash
How to choose wheel loader tires for quarry work without freezing cash means stocking a working size and a next-size-up, not ten patterns. A typical wholesale mix is 17.5-25 or 20.5-25 for smaller loaders and 23.5-25 or 26.5-25 for production machines. Keep L3 and L5 as separate SKUs. Do not relabel them in your warehouse as “loader 23.5.”
If you also sell dump truck tires, keep those E3/E4 sizes on their own bins. A 23.5R25 can appear in both loader and dump lists. The tread and the TKPH-style duty are not interchangeable just because the stamp shares a diameter.
Plan the first container around the size that strands a machine when it fails, then fill leftover cube with the slower movers. Ask for loading photos. The photo gallery is useful when you want to see how mixed OTR actually sits in a box, not as a substitute for your packing list.
Questions buyers still ask
Do I always need L5 to choose wheel loader tires for quarry work?
No. L5 is the usual answer for sharp rock and high cut rates, not for every quarry. Gravel and many limestone floors do fine on L3 if the cycle is not slicing sidewalls. Move to L5 when the previous set died from cuts with usable tread still left.
Can I put a dump truck E4 pattern on a quarry loader?
Usually no. Dump E4 is built around haul-truck heat and long rolls. A loader needs bite, turn cut resistance, and a carcass that likes slow, high-torque work. If a size such as 23.5R25 appears in both lists, still quote it as a loader tread, not as a leftover dump SKU.
Is 23.5-25 the default quarry loader size?
No. 23.5-25 is common on production loaders, but compact machines often run 17.5-25 or 20.5-25, and larger units move to 26.5-25 or 29.5-25. Copy the machine, then confirm rim width. Do not default to 23.5-25 because it shows up often in catalogs.
Should quarry loaders run tube-type or tubeless?
Run what the rim and the current fleet already use, unless you are converting the whole machine set. Mixing TT and TL on one loader creates service errors. Write TT or TL on every line of the RFQ so packing does not mix valves and flaps into the wrong SKU.
How many loader tires should I trial before a yearly program?
Trial the working size on one machine first, in the rock that actually cuts your tires. A four-tire axle set on 20.5-25 or 23.5-25 tells you cut and heat behavior. Do not freeze a yearly L5 program from a sand-pit trial.
How to choose wheel loader tires for quarry work ends with a written rock note, not a copied size. Next step: write rock type, size, quantity and destination port, then send the list to WhatsApp +86 131 7335 1630 or the contact desk. In RFQ reviews, L5 on 23.5-25 shows up when cut damage, not worn-out tread, ends the tire. That site pattern lines up with how CDC/NIOSH mining material (2024) treats rock and haul-road condition as part of the job, not as a footnote. Sources used here are NIOSH mining (2024), the ISO earth-mover tyre overview (2023), and UNECE vehicle regulations (2024) for mixed highway lines. Experience is the cut-versus-heat read on failed carcasses. Do not treat those as the same evidence.