

OEM 800374283 The XCMG Carrier and Sleeve Assembly (800374283) is a genuine OEM integrated component that combines a precision‑machined planetary carrier with a hardened wear sleeve, engineered to support planet gears and protect rotating shafts in the final drives and transmissions of XCMG articulated dump trucks. This robust assembly, identified by part number 800374283, provides a complete solution for planetary gear support and shaft surface protection, ensuring reliable torque distribution, reduced friction, and extended component life in the most demanding mining and construction environments.
Manufactured from high‑strength nodular cast iron and alloy steel with precision‑ground bearing surfaces, the 800374283 carrier and sleeve assembly offers exceptional rigidity, dimensional stability, and wear resistance. The integrated sleeve provides a replaceable hardened surface that protects the shaft from fretting and abrasion, while the carrier ensures accurate planet gear alignment and even load distribution.
The 800374283 assembly is fully compatible with XCMG ADT series, providing a direct replacement solution that restores original final drive performance, reduces noise and vibration, and ensures long‑term driveline reliability – keeping your fleet operating at peak efficiency.
The 800374283 Carrier and Sleeve Assembly is a purpose‑built, integrated component that combines a precision planetary carrier with a hardened wear sleeve, providing both structural support for planet gears and shaft surface protection in a single unit.
In XCMG ADT final drives and transmissions, the carrier holds the planet gears in accurate alignment with the sun and ring gears, while the sleeve protects the rotating shaft from fretting and abrasion caused by continuous oscillation and high radial loads.
This genuine XCMG assembly is precision‑machined to exacting tolerances, ensuring that the carrier’s bore and the sleeve’s inner and outer diameters are perfectly concentric, eliminating misalignment that could cause uneven gear contact or accelerated wear.
The high‑strength nodular iron carrier provides excellent rigidity and vibration damping, while the alloy steel sleeve offers a hard, wear‑resistant surface that can be replaced independently, extending the life of the expensive shaft.
The assembly’s integrated oil passages ensure proper lubrication of planet bearings and the sleeve‑shaft interface, reducing friction and heat generation.
Field data from mining operations shows that genuine XCMG carrier and sleeve assemblies reduce final drive downtime by over 60% and extend shaft life by up to 300% compared to non‑integrated or aftermarket solutions.
The 800374283 Carrier and Sleeve Assembly is central to the reliable operation of the final drive, directly influencing torque transfer, gear life, and overall machine traction.
Worn carrier bores or damaged sleeve surfaces allow planet gears to shift, causing uneven tooth engagement, increased backlash, and premature gear wear that can lead to catastrophic final drive failure.
This genuine XCMG assembly restores original carrier geometry and shaft surface integrity, ensuring that planet gears mesh correctly and that the shaft is protected from fretting and scoring.
The integrated design also simplifies assembly and reduces the number of individual components, improving serviceability and reducing the risk of misassembly during maintenance.
Fleet operators have reported a 35% reduction in final drive overhauls and a 40% decrease in shaft replacement costs after switching to genuine XCMG assemblies.
Regular inspection of the carrier for cracking or wear, and of the sleeve for scoring or galling, is essential; any damage requires immediate replacement of the complete assembly.
The 800374283 Carrier and Sleeve Assembly is manufactured using precision casting, heat‑treating, and CNC machining processes to achieve exceptional dimensional accuracy and mechanical properties.
The carrier is cast from high‑grade nodular iron, with controlled nodularity and metallurgical structure to ensure uniform strength and toughness, then stress‑relieved to maintain dimensional stability.
The sleeve is forged from alloy steel, then precision turned, hardened to 52‑58 HRC, and ground to achieve a superfinish, ensuring a perfect fit with the shaft and carrier bore.
XCMG’s engineering team has optimised the assembly’s geometry to minimise stress concentrations and maximise load‑sharing among planet gears, extending fatigue life.
All critical mating surfaces are 100% inspected for dimensional accuracy, roundness, and concentricity using coordinate measuring machines and air‑gauging.
The manufacturing facility is ISO 9001 and ISO 14001 certified, ensuring consistent quality and environmental responsibility.
The 800374283 Carrier and Sleeve Assembly leverages the complementary properties of nodular iron and hardened alloy steel to deliver superior performance in high‑load, high‑wear driveline applications.
The nodular iron carrier provides excellent damping and machinability, while its high strength ensures it withstands the twisting and bending forces generated during torque transfer.
The alloy steel sleeve, with its 52‑58 HRC surface hardness, resists abrasive wear and fretting, protecting the shaft from damage that would otherwise require expensive reconditioning.
The precision ground interface between the sleeve and carrier ensures a stable press‑fit that eliminates relative movement, preventing fretting and maintaining alignment.
Accelerated durability testing has confirmed that the assembly maintains its bore concentricity and load‑carrying capacity for over 12,000 hours of simulated mining operation.
All materials are RoHS compliant and meet stringent environmental regulations.
The 800374283 Carrier and Sleeve Assembly is designed for professional installation by trained driveline technicians using appropriate tooling and procedures.
Begin by removing the final drive or transmission assembly from the machine, then disassemble the planetary gearset to access the carrier and sleeve.
Carefully extract the old assembly, inspect the housing and shaft for wear or damage, and clean all mating surfaces thoroughly.
Install the new 800374283 assembly by pressing the sleeve onto the shaft and then fitting the carrier into the housing, ensuring correct orientation and torqueing all fasteners to specification.
Reassemble the planetary gears, adjust bearing preload as per the service manual, and fill with the recommended oil before testing for smooth operation.
A typical assembly replacement can be completed in 3‑5 hours, restoring full final drive performance and reliability.
Investing in the 800374283 Carrier and Sleeve Assembly delivers significant long‑term savings by preventing catastrophic final drive failures, reducing gear wear, and extending shaft life.
A failed carrier or worn shaft can cause complete final drive destruction, with repair costs often exceeding $15,000 – this assembly prevents that outcome by providing a durable, integrated solution.
By maintaining accurate gear alignment and protecting the shaft, the assembly reduces internal friction and power losses, improving fuel economy by up to 2‑3%.
The extended service life of the assembly also means fewer overhauls and reduced spare parts inventory, lowering total maintenance costs.
Field data from a large copper mine showed a 50% reduction in final drive downtime after standardising on genuine XCMG carrier and sleeve assemblies.
The assembly’s robust construction ensures it lasts the full service interval, offering excellent return on investment.
XCMG is committed to sustainable manufacturing, and the 800374283 Carrier and Sleeve Assembly reflects this through its use of recyclable materials and energy‑efficient production.
The assembly’s extended service life reduces material waste and the environmental impact of frequent component replacements.
By preventing final drive failures, the assembly also reduces the need for new component manufacturing, conserving raw materials.
The cast iron and steel components are fully recyclable at end‑of‑life, supporting circular economy principles.
Choosing genuine XCMG driveline components supports responsible equipment management while delivering superior performance.
The assembly’s ease of removal also facilitates efficient recycling.
The 800374283 Carrier and Sleeve Assembly is stocked in XCMG’s regional distribution centres across North America, Europe, Asia, Africa, and Australia.
Each assembly is individually packaged with protective rust‑inhibitive coating and heavy‑duty foam padding to prevent damage during transit.
For large fleet orders, XCMG offers volume‑based pricing and consolidated shipping to optimise procurement costs.
Real‑time inventory tracking ensures urgent requirements are fulfilled with minimal lead times.
The robust packaging protects the assembly from corrosion and physical damage during storage.
With XCMG’s global aftermarket network, you can consistently rely on product availability.
Every 800374283 Carrier and Sleeve Assembly is manufactured in an ISO 9001 and ISO 14001 certified facility with full material traceability.
Incoming castings and forgings are inspected for chemical composition, mechanical properties, and dimensional accuracy.
During machining, critical dimensions are continuously monitored using CMM and precision gauges.
Sample assemblies from each batch undergo hardness testing, concentricity measurement, and press‑fit verification.
Each assembly is 100% inspected for surface defects and dimensional accuracy before release.
Only assemblies that pass all quality checks are released, ensuring reliable performance.
Aftermarket or rebuilt assemblies often use inferior materials, poor machining, or mismatched components that lead to premature failure and driveline damage.
The genuine 800374283 is engineered to XCMG’s exacting standards, ensuring correct material pairing, precise dimensions, and proper fit.
Its superior strength and wear resistance deliver long‑lasting performance, reducing maintenance and downtime.
Genuine XCMG parts preserve factory warranty, maintain resale value, and ensure compatibility.
Backed by XCMG’s global quality standards, trust this assembly in the harshest conditions.
Choose genuine XCMG for uncompromising driveline reliability and lasting value.
The XCMG 800374283 Carrier and Sleeve Assembly is an essential driveline component for any articulated dump truck, providing integrated planetary support and shaft protection for reliable final drive operation.
Its precision‑engineered carrier and hardened wear sleeve deliver exceptional alignment, load distribution, and surface protection, reducing friction and extending component life.
By restoring original final drive integrity, this assembly reduces downtime, lowers maintenance costs, and extends the service life of your ADT.
Always source genuine XCMG parts from authorised dealers for guaranteed authenticity and quality.
Choose the 800374283 carrier and sleeve assembly for dependable driveline performance and lasting operational peace of mind.
Partner with XCMG – your trusted source for heavy equipment driveline solutions that deliver real value.
OEM 800374283 – XCMG Carrier and Sleeve Assembly – the definitive integrated planetary support and shaft protection solution for your ADT’s final drive. Engineered for strength, machined for precision, and backed by global quality standards. Trust the original to protect your investment and maximise uptime.