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XCMG 914995085 Piston Rod – Precision Hydraulic Actuation Component for Articulated Dump Trucks

Piston Rod

Piston Rod

Шток поршня

Шток поршня

Vástago del pistón

Vástago del pistón

The 914995085 Piston Rod is a genuine XCMG precision‑engineered hydraulic actuation component designed to deliver reliable linear motion and force transmission in articulated dump truck cylinders. This OEM piston rod, identified by part number 914995085, features a high‑strength alloy steel core with an induction‑hardened surface and hard chrome plating, ensuring exceptional wear resistance, corrosion protection, and fatigue life under extreme pressures and continuous cycling. Manufactured to exacting tolerances with a super‑finished ground surface, the 914995085 piston rod ensures smooth, leak‑free operation and long service life, making it an essential replacement part for maintaining hydraulic cylinder performance, machine productivity, and operator safety in the most demanding mining, quarrying, and heavy construction environments.

Technical Specifications

Parameter Specification
OEM Number914995085
Product NamePiston Rod (Genuine XCMG)
BrandXCMG
MaterialHigh‑strength alloy steel (40Cr / AISI 5140)
Surface Hardness (HRC)52 – 56 (induction hardened)
Core Hardness (HRC)28 – 32
Diameter (nominal)45 mm
Length (overall)520 mm
Surface Finish (Ra)≤ 0.2 µm (super‑finished ground)
Chrome Plating Thickness≥ 50 µm (hard chrome)
Tensile Strength≥ 1000 MPa
Yield Strength≥ 850 MPa
Elongation (min)12%
Maximum Operating Pressure (cylinder)250 bar (3625 psi)
Operating Temperature (fluid)-20°C to +90°C
Corrosion ProtectionHard chrome + zinc‑nickel (optional) – ≥ 500 hrs salt spray
End Thread (if applicable)M24 x 1.5 (RH) with locking nut
Compatible ModelsXCMG XDA30, XDA40, XDA45, XDA45U, XDA60, TA30 articulated dump trucks; also suits wheel loaders and excavators with matching cylinder designs
StandardsISO 9001, ISO 14001, ASTM A29, RoHS compliant
Weight (approx.)3.2 kg

Product Overview

The 914995085 Piston Rod is a precision‑engineered hydraulic component that transmits the force generated by the piston to the external load in hydraulic cylinders.

This genuine XCMG rod is manufactured from high‑strength alloy steel, induction‑hardened and hard‑chrome plated to provide exceptional wear resistance and a smooth, low‑friction surface.

Its super‑finished ground surface ensures minimal seal wear and leakage, contributing to efficient cylinder operation and extended service intervals.

The rod’s robust construction withstands the high pressures, side loads, and cyclic fatigue common in heavy‑duty mining and construction equipment.

This component is a direct OEM replacement, restoring the original cylinder actuation performance and reliability.

Regular inspection of the rod for scoring, corrosion, or plating damage is essential; replace immediately if any defects are found.

The Critical Role of Piston Rods in Hydraulic Cylinder Performance

The piston rod is the interface between the hydraulic cylinder and the machine mechanism, transmitting force to move loads, steer wheels, or lift components.

A high‑quality rod with a smooth, hard surface is essential for maintaining the integrity of the rod seal, preventing fluid leaks and contamination ingress.

The 914995085 rod is designed to provide consistent, reliable force transmission with minimal friction, ensuring smooth cylinder operation and precise control.

Worn or damaged rods can lead to seal failure, loss of pressure, reduced efficiency, and costly downtime.

Replacing a faulty rod with a genuine XCMG unit restores original cylinder performance and extends the service life of seals and guides.

Design and Engineering Excellence

The 914995085 piston rod is engineered with a focus on strength, wear resistance, and surface integrity.

The alloy steel is carefully selected for its hardenability and toughness, allowing for deep induction hardening that provides a wear‑resistant case while maintaining a ductile core.

The hard chrome plating is applied in a controlled process to achieve a uniform thickness and high hardness, reducing friction and protecting against corrosion.

The final super‑finish grinding achieves a surface roughness of ≤ 0.2 µm Ra, which is essential for long seal life and low leakage.

Precision‑machined end threads and mounting features ensure accurate assembly and secure attachment to the piston and load.

All critical dimensions are verified with CMM equipment to guarantee interchangeability with OEM parts.

Advanced Materials and Surface Protection

The 914995085 piston rod is constructed from premium 40Cr alloy steel, known for its excellent strength, toughness, and fatigue resistance.

The induction hardening process produces a surface hardness of 52‑56 HRC, providing outstanding resistance to scoring and abrasion from contaminants.

The hard chrome plating offers a low‑friction surface that reduces wear on the rod seals and wipers, while also providing excellent corrosion protection in humid or chemically aggressive environments.

For additional protection, optional zinc‑nickel plating can be specified for extreme corrosive conditions, offering salt‑spray resistance exceeding 500 hours.

All surface treatments are performed in accordance with strict environmental and quality standards, ensuring consistent, reliable performance.

Applications in Mining and Construction

The 914995085 piston rod is used extensively on XCMG articulated dump trucks, wheel loaders, excavators, and motor graders in a variety of hydraulic cylinders.

It is commonly found in steering cylinders, suspension cylinders, brake actuators, and dump body hoist cylinders, where reliable force transmission is critical.

In underground mining, the rod’s corrosion‑resistant plating protects against moisture and chemical attack, ensuring long‑term reliability.

Its high‑strength construction makes it suitable for both high‑pressure and high‑cycle applications, reducing the risk of fatigue failure.

By using genuine XCMG piston rods, operators ensure that their cylinders deliver the original performance and durability.

Quality Assurance and Testing

Every 914995085 piston rod is manufactured in an ISO 9001 and ISO 14001 certified facility, with full material traceability and process control.

Incoming steel bars are tested for chemical composition, tensile strength, and hardness to ensure they meet the required specifications.

During machining, critical dimensions are continuously monitored, and surface finish is checked with profilometers at multiple stages.

After hardening and plating, each rod undergoes a 100% hardness test, plating thickness measurement, and visual inspection for defects.

A sample from each batch is subjected to fatigue testing, salt‑spray exposure, and metallurgical analysis to validate long‑term performance.

Only rods that pass all tests are released, guaranteeing consistent quality and reliability.

Compatibility and Fitment

The 914995085 piston rod is a direct replacement for the original rod on XCMG articulated dump trucks, including XDA30, XDA40, XDA45, XDA45U, XDA60, TA30, and many other models.

It is also compatible with various XCMG wheel loaders, excavators, and motor graders that use the same rod diameter and length.

The rod’s dimensions and threading match the original equipment, ensuring a perfect fit within the cylinder assembly.

For cross‑brand applications, verify that the rod diameter, length, and end fitting configuration match your cylinder requirements.

Always consult your machine’s parts manual to confirm the correct part number before ordering.

Installation and Maintenance Guidelines

Replacing the 914995085 piston rod requires careful disassembly of the hydraulic cylinder and proper handling to avoid damaging the rod surface.

Always depressurise the hydraulic system and support the cylinder before starting work. Remove the cylinder from the machine and disassemble it on a clean workbench.

Extract the old rod, taking care not to score the new rod during insertion. Clean the cylinder bore and inspect the seals and guides for wear.

Lubricate the new rod with clean hydraulic oil and carefully guide it into the cylinder, ensuring the piston and rod seal are properly aligned.

Reassemble the cylinder, tighten all fasteners to the recommended torque, and test the cylinder for smooth operation and leaks.

During routine maintenance, inspect the rod for scoring, pitting, or plating damage. Replace the rod immediately if any defects are found.

Keep a spare rod on hand to minimise downtime during unexpected failures.

Compliance and Safety Standards

The 914995085 piston rod complies with ASTM A29 for alloy steel bars and meets the performance requirements of ISO 9001 and ISO 14001.

All materials are RoHS compliant, free from hazardous substances, and safe for use in hydraulic systems.

The rod’s design and manufacturing processes follow industry best practices for hydraulic component safety and reliability.

Using genuine XCMG rods ensures compliance with original equipment safety and performance specifications.

Always replace faulty rods with genuine parts to maintain cylinder safety and performance.

Why Choose Genuine XCMG 914995085?

Aftermarket piston rods often use lower‑grade steel, inadequate hardening, or poor plating, leading to premature wear, scoring, and seal failure.

The genuine 914995085 rod is engineered to XCMG’s exacting standards, ensuring the correct hardness, surface finish, and corrosion protection.

Its high‑quality materials and precision manufacturing deliver long, reliable service life, reducing replacement frequency and maintenance costs.

Genuine XCMG parts preserve warranty coverage and maintain the resale value of your equipment.

Choose genuine XCMG for reliability, safety, and peace of mind.

Conclusion

The XCMG 914995085 Piston Rod is a critical hydraulic component that ensures reliable force transmission and cylinder performance on articulated dump trucks and heavy equipment.

Its high‑strength alloy steel construction, induction hardening, and precision chrome plating deliver exceptional wear resistance and corrosion protection in the harshest mining and construction environments.

By replacing worn or damaged rods with genuine XCMG parts, you restore cylinder efficiency, reduce downtime, and enhance machine productivity.

Always source genuine XCMG components from authorised dealers to guarantee authenticity and quality.

Choose the 914995085 piston rod for dependable hydraulic actuation and lasting value.

Invest in genuine XCMG – your partner in reliability and performance.

Hot Sale Genuine XCMG Articulated Dump Truck Parts

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