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XCMG Lock Plate 318502242 – Genuine OEM Retaining Plate for XCMG Hydraulic Excavators

XCMG Lock Plate 318502242
Lock Plate
XCMG Стопорная пластина 318502242
Стопорная пластина
XCMG Placa de bloqueo 318502242
Placa de bloqueo

OEM 318502242 The XCMG Lock Plate 318502242 is a genuine retaining plate that holds pins, bearings and pivot parts in position on XCMG hydraulic excavators.

Issued under the official part number 318502242, the plate gives the technician a correctly sized retainer that matches the bore, groove and bolt spacing it is designed for.

The plate is stamped and finished to the XCMG drawing, so the outline, hole pattern and thickness match the housing without filing or reaming.

The retaining tab seats in the groove and stops the pin from walking out, so the joint stays locked under load and vibration.

A protective plating resists water, dust and corrosion, so the plate keeps its shape and finish through wash-down and long outdoor duty.

Every unit is checked for hole spacing, thickness, flatness and tab fit before the batch is packed for shipment.

Fitted to pivot pins, bearing housings and linkage joints, this lock plate keeps retained parts in place and protects the joint from damage.

Lock Plate 318502242 – Technical Specifications

ParameterSpecification
OEM Number318502242
Product NameLock Plate
BrandXCMG (Genuine OEM)
TypePin and bearing retaining plate
MaterialCarbon steel or spring steel per XCMG drawing
Manufacturing MethodStamped, bent and finished to drawing
Surface TreatmentZinc plated, phosphated or painted per OEM
Mounting Hole SpacingPer XCMG drawing specification
Overall LengthPer XCMG drawing specification
Overall WidthPer XCMG drawing specification
Plate ThicknessPer XCMG drawing specification
Retaining Tab FormPer XCMG drawing specification
ToleranceOEM drawing limits on holes and thickness
HardnessPer OEM material specification
Holding ForceRated for pin and bearing retention
Working LoadRated for the retained joint
Temperature Range-40°C to +120°C
Fluid CompatibilityHydraulic oil, water and wash chemicals
Corrosion ResistanceResists water, dust and salt exposure
Fixing MethodBolted, pinned or tabbed per OEM
ApplicationPin, bearing and pivot retention
CompatibilityXCMG hydraulic excavators
Installation ToolsCleaning cloth, spanner set, punch
PackagingExport carton with protective bag
StandardsISO 9001:2015, ISO 14001:2015, RoHS, REACH

Key Features and Outstanding Benefits

The 318502242 plate is produced to the XCMG drawing, so the holes and retaining tab line up with the housing on the first attempt.

The tab seats in the groove and locks the pin, so the joint cannot walk apart under vibration or repeated load cycles.

Correct thickness and stiffness keep the plate flat under bolt torque, so it does not bend away and release the retained part.

The plated finish resists water, dust and wash chemicals, so the plate does not corrode or seize to the housing over time.

Because the part matches the OEM number, a fitter installs it straight from the bag without drilling, filing or adding spacers.

Correct material hardness keeps the tab and bolt holes intact under load, so the retainer does not crack or deform.

A sound plate also stops pins from scoring the bore, which protects the housing and extends the life of the joint.

Keeping a spare plate on the shelf shortens repair time, so a lost retainer does not turn into a full day of lost work.

Material Quality and Dimensional Control

Each lot begins with certified steel sheet tested for thickness, hardness and tensile strength before it reaches the stamping line.

Plates are stamped and bent in controlled tooling, so the outline, hole pattern and tab form stay uniform from batch to batch.

Deburring removes sharp edges from the holes and tab, so the plate seats flat and does not cut hands or the housing face.

Inspectors measure hole spacing, thickness, flatness and tab height against a gauge made for this exact part number.

Batch records trace every 318502242 plate to its steel lot and production run, so a quality question is settled quickly.

How a Lock Plate Supports Machine Reliability

A lock plate holds a pin or bearing in its bore, so the part cannot slide, rotate or walk out of position during work.

A missing or bent plate lets the pin drift, which scores the bore, damages the seal and can separate the joint under load.

The genuine 318502242 keeps the retained part locked, so the joint stays tight and internal parts stay protected.

Correct fit avoids both a plate that works loose under vibration and one that sits proud and fouls the moving part.

A sound plate protects pins, bearings and housings, which keeps service intervals predictable and extends machine life.

Installation Steps and Routine Inspection

The 318502242 plate is installed with a cleaning cloth, a spanner set and a punch during linkage or hydraulic service work.

Release system pressure, support the linkage and clean the housing so no dirt or metal chips enter during the repair.

Check the bore, groove and bolt holes for burrs, rust or old sealant, since a rough surface will stop the plate seating flat.

Seat the pin fully, fit the plate with the tab in the groove and start the bolts by hand so the thread is not cross-threaded.

Tighten to the torque in the service data, so the plate locks the pin without bending the tab or crushing the housing face.

Cycle the joint slowly, refill with the specified oil and check the area for weeping or movement after the first pressure cycles.

At service intervals, look for a loose plate, a worn tab or a walking pin and renew the part before the joint separates.

Quality Assurance and Validation Testing

Every 318502242 plate is produced in an ISO 9001 and ISO 14001 certified plant with traceability from steel sheet to carton.

Incoming steel is tested for thickness and hardness, and finished plates are gauged for hole spacing, thickness and tab form.

Each batch is screened for cracks, burrs and coating defects, since these flaws let the plate bend or release the pin under load.

Post-production checks include visual review, dimensional verification and a trial fit in the XCMG housing fixture.

Sample plates from each batch undergo load, vibration and salt spray tests to confirm retention and corrosion performance.

Genuine XCMG Versus Aftermarket Alternatives

Cheap copies often use thin sheet that bends or cracks, so the tab lets go and the pin starts to walk out of the bore.

A plate with the wrong hole spacing or tab height can sit proud, foul the moving part or fail to lock the pin at all.

The genuine 318502242 is made to the XCMG drawing, so outline, holes, tab and material match the original part.

Using genuine XCMG parts also preserves warranty coverage, protects resale value and keeps fit with OEM housings.

Backed by XCMG global quality standards and technical support, this lock plate performs reliably in harsh conditions.

Cost Savings and Uptime Advantages

Choosing the genuine 318502242 plate prevents a small loss of retention from turning into a scored bore or a separated joint.

A failed plate lets the pin move, which wears the housing and can damage the seal and the linkage around it.

A correctly made plate locks firmly, so it does not need repeated tightening and does not wear out the housing face.

Reliable plates also keep joints tight, which improves machine performance and lowers ownership cost.

Service records from construction and mining fleets show genuine XCMG parts cut unplanned downtime.

Sustainability and Lifecycle Considerations

XCMG produces the 318502242 plate with efficient stamping runs that keep production scrap low.

A long service life means fewer replacements, which lowers the material and energy tied to each plate.

Keeping joints locked prevents oil leaks and contamination, which protects soil, groundwater and internal parts.

The materials in this part comply with RoHS and REACH requirements for safe handling and responsible recycling.

Global Availability and Supply Chain Strength

The 318502242 plate is stocked in XCMG depots serving North America, Europe, Asia and Australia.

Each unit is bagged to protect the finish and boxed in a strong carton that guards against dust, damp and crushing.

Fleet buyers can request volume pricing and combined freight, which simplifies planning and lowers landed cost.

Live stock data and responsive supply teams cover urgent requests fast, so machines return to work sooner.

Careful packing keeps the plate flat and the tab undamaged until fitting, avoiding the distortion seen in loose storage.

Conclusion

The XCMG Lock Plate 318502242 is a small but important retaining part on XCMG excavators, locking pins and bearings in place.

Its accurate size, correct tab form and durable material deliver dependable retention in rain, dust and heat.

By keeping joints locked, this plate cuts downtime, protects internal parts and extends the life of the assembly.

Buy only genuine XCMG parts from authorised dealers to secure real quality, correct fitment and lasting performance.

Specify the 318502242 plate for dependable retention and confident, trouble-free servicing.

Work with XCMG, a trusted supplier of engine and hydraulic components for heavy equipment that delivers real value.


OEM 318502242 – XCMG Lock Plate – the definitive retaining plate for locked pins and bearings on your excavator. Stamped to the drawing, finished for a precise fit, and backed by global quality standards. Trust the original to protect your investment and maximise uptime.

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