HeavyEQ parts intelligence
Jaw crusher wear: distinguish position, profile, material and retention
Research first. Identify the installed component. Confirm the application.
A jaw die, cheek plate and retaining wedge serve different positions in a crusher. Identify the installed jaw box and requested component before comparing a supplier number. A broad plant model or familiar tooth pattern cannot settle the complete selection.
Plant and installed unit are separate · Supplier references remain attributed · Chamber fitment unverified
Retain the requested position, profile, material and source. A shared guide does not select a machine or create stock.
Identify the fixed and moving sides
Retain the jaw-box make, complete designation and documented revision separately from the mobile plant. Record whether the request concerns a fixed die, moving die, cheek plate or retaining component. Where a source distinguishes upper and lower pieces or left and right positions, preserve those observations. A complete plate assembly and an individual wear segment are different supply scopes. Do not infer the required piece count from a broad model designation or an incomplete photograph.
Treat tooth profile as a technical choice
Sandvik’s CJ guidance distinguishes tooth patterns and material options within its supported crusher range. Those distinctions show why a plate shape and a model name cannot be reduced to a universal choice. Ask which documented profile addresses the actual chamber and duty. Feed characteristics and wear behaviour can inform a qualified review, but this guide recommends no particular tooth pattern, alloy, operating setting or wear limit for an unidentified installation.
Keep material and geometry evidence separate
An aftermarket suffix may describe a supplier’s material or insert option. Preserve the full issuing SKU and the supplier’s actual statement. A shared referenced OEM number does not establish identical dimensions, mounting, tooth geometry or certified chemistry. A carbide-insert version must not be collapsed into a plain variant as though only the label changed. Request the relevant material documentation and application evidence; retain unknown values instead of decoding a trade suffix into a guaranteed composition.
Make the actual offered item reviewable
Use the private request to record the installed unit, component position, profile and safely obtained interface observations with units and their source. A genuine seller should identify the actual issuer, condition, included hardware and current availability. Inspection, removal, lifting and installation require qualified personnel and machine-specific procedures. HeavyEQ’s research and a stored request do not authorize service work, certify jaw compatibility or create a supplier offer. Keep full serials and personal details out of public photographs and descriptions.
Source references
- Metso: C-series jaw chamber and profiles ↗ · reviewed 15 October 2026 · public factual reference
- Sandvik: CJ jaw plates: grade and tooth profiles ↗ · reviewed 15 October 2026 · public factual reference
Original research commentary. Manufacturer drawings, catalogue tables and inventory are not reproduced.