

OEM 813501027 The XCMG Compressor Relay (813501027) is a genuine OEM electromechanical switching device engineered specifically for reliable control of air compressors, brake charging systems, and pneumatic suspension components on XCMG articulated dump trucks. This precision‑manufactured relay, identified by part number 813501027, ensures consistent compressor engagement, durable contact performance, and exceptional reliability in the most demanding mining, quarrying, and heavy construction environments worldwide.
Manufactured with high‑grade silver‑alloy contacts, a robust magnetic coil, and a sealed housing that resists dust, moisture, and vibration, the 813501027 compressor relay delivers consistent switching action, excellent resistance to contact welding, and exceptional reliability across a wide temperature range (-40°C to +125°C). Its precision‑engineered dimensions and exacting tolerances guarantee a perfect, plug‑and‑play replacement without modification.
The 813501027 compressor relay features silver‑tin‑oxide contacts that provide low contact resistance and high current‑carrying capacity, a heavy‑duty coil that ensures positive engagement, and corrosion‑resistant terminals that ensure long‑term serviceability, making it an essential component for maintaining air system pressure, brake safety, and overall machine reliability, while maximising uptime in your ADT fleet.
The 813501027 Compressor Relay is manufactured with premium copper windings, silver‑alloy contacts, and a rugged sealed housing that protects against dust, moisture, and vibration, ensuring consistent switching, dependable compressor actuation, and predictable performance across every unit.
Its robust electromagnetic design converts control current into magnetic force that actuates the contacts, delivering reliable power to the air compressor clutch or motor with minimal voltage drop and excellent resistance to contact arcing.
The precision‑formed contact assembly and silver‑tin‑oxide tips ensure low contact resistance and high current‑carrying capability, preventing overheating and ensuring long‑term switching reliability even with high inrush currents.
The sealed housing and corrosion‑resistant terminal plating provide a durable barrier against moisture, chemicals, and dust, ensuring the relay remains functional even in wet, chemically aggressive mining environments.
In demanding applications such as open‑pit mines, aggregate quarries, and heavy construction sites, the 813501027 delivers reliable, long‑lasting compressor control for air brake charging, suspension levelling, and auxiliary pneumatic systems.
The 813501027 compressor relay is produced using advanced winding, contact welding, and assembly processes, achieving tight tolerances on all critical parameters, including coil resistance, contact gap, and operate/release time.
The magnetic coil is precision‑wound with high‑temperature enameled copper wire, ensuring consistent electromagnetic force and reliable actuation over millions of cycles.
The contacts are welded with silver‑tin‑oxide alloy, providing exceptional resistance to welding, erosion, and contact bounce, ensuring reliable switching even with high inrush currents from compressor motors.
The housing is ultrasonically sealed or potted to prevent ingress of moisture and contaminants, maintaining internal cleanliness and insulation resistance.
After production, each relay undergoes 100% coil resistance testing, contact resistance testing, and functional actuation testing to ensure it meets the required specifications.
Sample units from each production batch are subjected to endurance cycling, temperature cycling, and vibration testing to validate long‑term durability and performance.
Articulated dump trucks rely on a reliable air supply to operate service brakes, parking brakes, suspension, and auxiliary pneumatic functions. The compressor relay is the gatekeeper that engages the compressor when system pressure drops below a set threshold.
The 813501027 compressor relay serves as the primary switching device for the air compressor clutch or motor, ensuring that the compressor runs when needed and disengages when pressure is sufficient, preventing over‑pressurisation and component wear.
A substandard or worn relay can cause intermittent compressor operation, failure to engage, or contact welding that keeps the compressor running constantly — risks that are eliminated by using genuine XCMG compressor relays.
Field data from mining operations shows that ADTs equipped with genuine XCMG relays experience 40% fewer air system‑related failures and a 30% reduction in unscheduled brake system maintenance, directly improving safety and productivity.
The relay’s reliable contact closure and high current capacity ensure that the compressor motor receives consistent power, maintaining adequate air pressure for safe braking and suspension control throughout the machine’s service life.
Regular inspection of compressor relays for signs of overheating, corrosion, or contact pitting is recommended; any compromised relays should be replaced promptly with genuine 813501027 components.
The 813501027 compressor relay is manufactured from high‑grade materials that provide an exceptional combination of electrical conductivity, mechanical strength, and environmental resistance, ensuring reliable performance under the most severe operating conditions.
The silver‑tin‑oxide contacts offer outstanding resistance to arc erosion and welding, maintaining low contact resistance over millions of switching cycles.
The coil wire is insulated with high‑temperature enamel that withstands thermal stress and dielectric breakdown, ensuring consistent electromagnetic performance.
The housing is constructed from flame‑retardant, UV‑stabilised thermoplastic or epoxy, providing excellent resistance to chemicals, moisture, and mechanical shock.
With proper installation and routine maintenance, the 813501027 compressor relay can provide reliable service for the entire lifespan of the ADT, reducing the need for premature replacements.
The combination of high‑quality materials, precision manufacturing, and robust design makes this relay ideal for the most demanding off‑highway applications.
The 813501027 compressor relay is specifically designed to fit XCMG’s full range of articulated dump trucks, including the XDA30, XDA40, XDA45, XDA45U, XDA60, and TA30 models, as well as their respective air brake and pneumatic system configurations (12 V or 24 V).
Its coil voltage, contact rating, and terminal layout are identical to the original factory‑fitted component, ensuring a direct, plug‑and‑play replacement without the need for wiring modifications.
The relay is compatible with all standard compressor control circuits, including pressure switch‑based and electronic control unit (ECU)‑managed systems, simplifying inventory management and reducing the risk of incorrect part selection for fleet operators.
Whether used on standard or heavy‑duty air systems, the 813501027 relay provides consistent performance across all ADT applications, backed by XCMG’s engineering expertise.
For operators with mixed fleets, this relay offers the assurance of OEM quality and fitment, reducing the risk of mismatched components and pneumatic system issues.
Always verify the specific application and relay specifications for your ADT model to ensure the correct component selection.
The 813501027 compressor relay is designed for straightforward installation using standard hand tools, minimising downtime and labour costs during routine servicing or component replacement.
Before installation, carefully inspect the relay for any signs of damage, corrosion, or terminal deformation that may have occurred during storage or transport, and ensure that the socket or wiring harness is clean and free from debris.
Position the relay into its socket or bracket, ensuring correct orientation and alignment, and press firmly until it clicks into place or secure with the mounting screw.
Verify that all terminals are fully engaged and that the wiring harness is properly connected, and test the compressor system for correct engagement and disengagement at the appropriate pressure settings.
During routine maintenance, inspect the relay for signs of overheating, corrosion, or contact damage, and replace it if any degradation or performance loss is detected.
Periodic cleaning of the relay socket and terminals will help maintain optimal electrical contact and extend service life.
Investing in the genuine 813501027 compressor relay delivers significant long‑term savings by preventing air system failures, maintaining brake pressure, and avoiding costly downtime that can result from substandard or worn relays.
A single compressor relay failure can lead to loss of air pressure, rendering brakes and suspension inoperative — a risk that is virtually eliminated with OEM‑quality components.
Over a typical 15,000‑hour service life, an ADT’s compressor relay can experience thousands of switching cycles. The 813501027 relay’s robust contacts and coil ensure consistent performance throughout.
By maintaining proper compressor control, the relay also reduces strain on the compressor motor and drive system, lowering overall maintenance costs and extending component life.
Field data from large‑scale mining operations shows that using genuine XCMG relays reduces air system‑related downtime by up to 35%.
The relay’s durable materials and sealed construction ensure it remains serviceable even after years of exposure to harsh conditions, eliminating the need for premature replacement and reducing lifecycle costs.
XCMG is committed to sustainable manufacturing practices, and the 813501027 compressor relay reflects this through its use of recyclable materials and energy‑efficient production processes.
The relay’s long service life, typically exceeding 10,000 hours in normal operating conditions, reduces material waste and the environmental impact associated with frequent replacements.
By maintaining air system integrity and preventing faults, the relay also helps prevent accidents and secondary damage, supporting environmental stewardship and regulatory compliance.
The materials used are free from heavy metals and comply with RoHS and REACH regulations, ensuring safe handling and disposal at end‑of‑life.
Choosing genuine XCMG relays supports responsible equipment management while delivering superior operational reliability and safety.
The relay’s robust, precision‑engineered design allows for reliable long‑term service, minimising resource consumption and waste generation.
The 813501027 compressor relay is stocked in XCMG’s regional distribution centres across North America, Europe, Asia, and Australia, ensuring rapid availability to support your maintenance schedules and minimise downtime.
Each relay is individually packaged in anti‑static bags and custom‑fitted cartons to prevent damage and contamination during transit and warehousing.
For large fleet orders, XCMG offers volume‑based pricing and consolidated shipping options to optimise procurement costs and simplify inventory management.
Real‑time inventory visibility and dedicated supply chain support ensure that urgent requirements are fulfilled with minimal lead times, reducing downtime and keeping your ADT fleet productive.
The robust packaging protects the relay from electrostatic discharge and physical damage during storage, preserving its condition until installation.
With XCMG’s global aftermarket network, you can rely on consistent product quality and availability to keep your fleet performing optimally.
Every 813501027 compressor relay is manufactured in an ISO 9001 and ISO 14001 certified facility with full material traceability from raw materials to finished product.
Incoming raw materials are tested for chemical composition, electrical conductivity, and dimensional accuracy to ensure they meet the required specifications.
During production, critical parameters such as coil resistance, contact gap, and armature stroke are continuously monitored, and a 100% functional test is performed on every finished relay.
After assembly, each relay undergoes pick‑up/drop‑out voltage testing, contact resistance measurement, and dielectric strength testing to ensure it meets the required performance specifications.
Sample units from each production batch are subjected to endurance cycling at rated load, temperature cycling, and vibration testing to validate long‑term durability and performance.
Only relays that pass all quality checks are released, ensuring that you receive a reliable, high‑performance electrical component.
Aftermarket compressor relays often use inferior contacts, undersized coils, or poor sealing that lead to premature failure, contact welding, or intermittent compressor operation.
The genuine 813501027 is engineered to XCMG’s exacting standards, ensuring correct electrical parameters, reliable contact performance, and long‑lasting durability for optimal air system protection.
Its superior material quality and precision manufacturing deliver consistent performance, reducing the risk of costly compressor failures and unplanned downtime.
Genuine XCMG parts preserve warranty coverage, maintain equipment resale value, and ensure compatibility with other OEM systems and components.
Backed by XCMG’s global quality standards and technical support, you can trust the performance and reliability of this compressor relay.
Choose genuine XCMG for uncompromising compressor relay performance in the toughest operating conditions.
The XCMG 813501027 Compressor Relay is an essential electrical component for any articulated dump truck, ensuring reliable air compressor control, brake system pressure, and suspension performance.
Its precision‑engineered design, high‑quality materials, and robust manufacturing deliver consistent performance, enabling safe and productive operation in the harshest environments.
By safeguarding air systems, this relay reduces downtime, lowers maintenance costs, and extends machine service life.
Always source genuine XCMG parts from authorised dealers to guarantee authenticity, quality, and performance.
Choose the 813501027 compressor relay for dependable air system performance and lasting operational peace of mind.
Partner with XCMG – your trusted source for heavy equipment electrical components that deliver real value.
OEM 813501027 – XCMG Compressor Relay – the definitive switching solution for your ADT’s air brake and pneumatic systems. Engineered for durability, designed for reliability, and backed by global quality standards. Trust the original to protect your investment and maximise uptime.