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{"title":"Use For Hitachi EX100-3 EX120-3 Excavators Travel Assembly 9133168 9122946 Final","imgUrl":"https:\/\/img.chinax.com\/nimg\/3c\/78\/4d8f00cb0f2c46c432cfec6b2c09-200x200-1\/use_for_hitachi_ex100_3_ex120_3_excavators_travel_assembly_9133168_9122946_final_drive_motor_gearbox_device_high_quality_construct.jpg","attrs":{"Brand Name":"IRON CAVALRY","Model Number":"Hitachi EX100-3 EX120-3 Excavators Travel Assembly 9133168 9122946 Final Drive Motor Gearbox Device High Quality","Place of Origin":"China","CertifiTQCATion":"CE\uff0c ISO"}}
{"title":"Heavy Duty Final Drive Complete Travel Motor Assembly 144-5196 for TQCAT 301 301","imgUrl":"https:\/\/img.chinax.com\/nimg\/71\/54\/918d4c1741f8d46c30063c9aff43-200x200-1\/heavy_duty_final_drive_complete_travel_motor_assembly_144_5196_for_tqcat_301_301_5_301_6_mini_crawler_excavator_premium.jpg","attrs":{"Packaging Details":"Wooden case or as required","Brand Name":"IRON CAVALRY","Payment Terms":"Western Union,T\/T","Supply Ability":"300pcs \/Month"}}
{"title":"Use For CAT 349D2 352F 349E 349F Excavators Travel Assembly 513-0982 513-0981","imgUrl":"https:\/\/img.chinax.com\/nimg\/e8\/fd\/cd3ef1342be0020671efe4978c2e-200x200-1\/use_for_cat_349d2_352f_349e_349f_excavators_travel_assembly_513_0982_513_0981_513_0979_518_1211_527_7097_final_drive_assembly_devi.jpg","attrs":{"Brand Name":"IRON CAVALRY","Model Number":"CAT 349D2 352F 349E 349F Excavators Travel Assembly 513-0982 513-0981 513-0979 518-1211 527-7097 Final Drive Assembly Device High Quality","Place of Origin":"China","CertifiTQCATion":"CE\uff0c ISO"}}
{"title":"Heavy-Duty Final Drive Motor fits Komatsu PC220-7 PC220LC-7 | 206-27-00422 |","imgUrl":"https:\/\/img.chinax.com\/nimg\/f8\/71\/2da7df3af892c05ce1fb803b9872-200x200-1\/heavy_duty_final_drive_motor_fits_komatsu_pc220_7_pc220lc_7_7c_206_27_00422_7c_rugged_earthmoving_traction_assembly.jpg","attrs":{"Applicable Industries\uff1a":"MECHANICAL REPAIR SHOPS, RETAIL, CONSTRUCTION, ENERGY, MINING","Brand Name":"IRON CAVALRY","Model Number":"Heavy-Duty Final Drive Motor fits Komatsu PC220-7 PC220LC-7 | 206-27-00422","Price":"Negotiable price"}}
Komatsu PC2000-8 Heavy-Duty High-Torque Final Drive Assembly
The Final Drive (Walking Gear) Part No. 21T-27-00310 for the Komatsu PC2000-8 excavator is an ultra-heavy-duty travel propulsion unit engineered for the world's largest hydraulic mining shovels in the 200-ton machine class. This unit integrates a massive high-displacement axial piston hydraulic motor with a rugged multi-stage planetary reduction gearbox, delivering extraordinary tractive effort and reliable travel performance under continuous extreme-load conditions. It is designed as a direct OEM replacement, ensuring precise fitment and factory-specified hydraulic performance for the PC2000-8 model.
Product Specifications
Product Name
Komatsu PC2000-8 21T-27-00310 Final Drive Assembly
Part Number
21T-27-00310
Compatible Machine
Komatsu PC2000-8
Brand
IRON CAVALRY
Place of Origin
CHINA
Condition
Original & OEM
Warranty
12 months
MOQ
1 piece
Production Capacity
1000 pieces per month
Standard or Nonstandard
Standard
Payment Terms
L/C, T/T, Western Union, Trade Assurance
Delivery Time
3-7 days (depending on order)
Means of Transport
By Sea, Air or DHL/FEDEX/TNT/EMS
Quality Guarantee
We check and send detailed pictures to buyers for confirmation before shipment
Regional Application & Market Suitability
The Komatsu PC2000-8 excavator is deployed across the globe's most challenging mining environments. Our final drive unit is regionally optimized to meet specific operational challenges:
North America & South America: Engineered for large-scale open-pit copper, gold, and oil sands mining operations, with reinforced housing and enhanced sealing to withstand extreme temperature variations, abrasive slurry, and continuous high-cycle operation.
Australia & Oceania: Equipped with heavy-duty floating seals that resist ingress of highly abrasive quartz-rich soils, red dust, and laterite materials common in iron ore and coal mining environments.
Africa & Middle East: High-temperature seals and corrosion-resistant materials protect against sand erosion, thermal stress, and airborne particulate contamination in arid desert and semi-arid mining regions.
Key Features & Performance Advantages
Ultra-High Torque Capacity: The massive displacement axial piston motor delivers extraordinary starting torque and smooth power transmission, enabling the PC2000-8 to maneuver efficiently on steep mine ramps, soft overburden, and uneven bench floors.
Heavy-Duty Multi-Stage Planetary Reduction: The gearbox employs case-hardened alloy steel planetary gears with precision-ground tooth profiles, ensuring uniform load distribution across multiple stages and maximizing service life between major rebuilds.
Precision OEM Replacement Fit: All mounting bolt patterns, pilot diameters, spline connections, and hydraulic port locations match original Komatsu specifications for the PC2000-8 model, enabling seamless installation with minimal machine downtime.
Mining-Grade Structural Integrity: The ductile iron housing features massive reinforced ribbing and stress-relieved construction to resist structural fatigue under continuous shock loading from tramming over rough mine floors. Dual-cone floating seals with heavy-duty dust wipers provide robust protection against contamination in the harshest environments.
Expert Maintenance Guidance
Hydraulic System Care: Routinely inspect case drain lines for restrictions, kinks, or blockages. A restricted drain line can generate excessive back pressure, leading to catastrophic motor rotary group failure. Maintain strict hydraulic fluid cleanliness standards and replace return filters at intervals prescribed for heavy mining equipment.
Gear Oil Management: Fill the planetary housing with the recommended extreme-pressure gear oil of the correct viscosity grade for heavy-duty mining applications. Change the oil every 250-500 operating hours under normal conditions, and every 250 hours in severe applications such as continuous mining, quarry production, or heavy ripping. Perform regular oil sampling and analysis to detect metallic particles as an early indicator of gear or bearing degradation.
Mounting Bolt Protocol: When reinstalling the final drive unit, always fit new high-strength bolts meeting the specified grade. Apply a suitable thread locking compound to the bolt threads prior to torquing to factory specifications, preventing loosening caused by extreme vibration and shock loads during tramming and digging cycles.
Pre-Operation Priming Procedure: Before initial startup or after final drive replacement, fill the motor housing with clean hydraulic oil to purge trapped air pockets. Run the machine at low idle for several minutes, cycling the tracks forward and reverse, to ensure complete lubrication of all planetary components before engaging heavy production loads.
Manufacturing Facility
Guangzhou Tieqi Construction Machinery Co., Ltd. (IRON CAVALRY) is strategically located in Guangzhou's Huangpu District. With nearly 15 years of experience, we specialize in engineering machinery hydraulics and are committed to delivering practical solutions and upholding our responsibilities.
Manufacturing Facility Exterior
Factory Production Line
Trade Show Exhibition
Professional Team
Technical Leadership & Standards
Our efficient execution and rigorous manufacturing approach ensure our products meet over 95% of original performance specifications. This commitment has built widespread trust in the industry.
Product & Inventory Capability
We maintain a ready inventory of over 500 assembly types, providing access to more than 6,000 different parts. Hydraulic pump, control valve, travel, and swing assemblies are our core products, with particular expertise in large mining excavator components and hard-to-find items.
Packaging & Delivery
For large items, we use sturdy plywood crates secured with metal fasteners. Products are cushioned with bubble wrap and secured with wooden braces, with special attention given to protecting vulnerable parts. External reinforcement includes high-strength PET plastic strapping and waterproof wrapping.
Secure Product Packaging Example
Why Choose IRON CAVALRY?
One-stop solution provider for all hydraulic component needs
High-quality products at competitive prices
Exceptional customer service and support
Large inventory, short delivery times, and long warranty periods
Professional expertise with accurate part number identification
Introduction to Guangzhou Tieqi Construction Machinery Company
Founded in 2010 and headquartered in Guangzhou, China, Guangzhou Tieqi Construction Machinery Co., Ltd. is an integrated manufacturing and trading company specializing in hydraulic system components for construction and mining machiner...
Introduction to Guangzhou Tieqi Construction Machinery Company
Founded in 2010 and headquartered in Guangzhou, China, Guangzhou Tieqi Construction Machinery Co., Ltd. is an integrated manufacturing and trading company specializing in hydraulic system components for construction and mining machiner...
