"excavator undercarriage replacement"
CAT E390 Track Adjuster Cylinder Heavy Duty Excavator Track Tensioner
OEM-quality CAT E390 track adjuster cylinder. Heavy-duty alloy steel construction, leak-proof seals, and impact-resistant design for mining & construction. Direct fit replacement ensures easy installation and long service life.
Komatsu PC450-10 Excavator Travel Motor Final Drive Wear Resistant
Brand new Komatsu PC450-10 final drive with strong traction, stable operation, low noise, and anti-leak design. OEM-compatible, reduces downtime, and extends excavator service life. Ships in 1-7 days.
Doosan DX500LC DX520-9C Drive Sprocket OEM Track Drive Gear for 50-52 Ton Mining Excavators
Heavy-duty drive sprocket rim for Doosan DX500LC-9C and DX520LC-9C excavators. Direct-fit aftermarket replacement with induction-hardened wear-resistant steel, OEM-matched tooth profile, and bolt-on installation. Extends undercarriage life in rock, mud, and abrasive conditions.
E320 E200B Excavator Chain 47L 49L 51L Excavator Track Chain
Heavy-duty E320/E200B excavator track chain (47L/49L/51L). Heat-treated high-strength steel ensures wear/corrosion resistance, tensile strength & long service life. Available in yellow/black/custom colors with rich stock.
CAT E345BL Excavator Slewing Bearing Heavy Duty Anti Leakage
Heavy-duty CAT E345BL slewing bearing with forged alloy steel construction, HRC52-58 hardness, and multi-layer seals. Provides superior load resistance, smooth rotation, and direct OEM replacement for mining and construction applications.
CAT E307E Excavator Hydraulic Cylinder Middle Arm Cylinder Assembly
OEM direct-fit CAT E307E hydraulic arm cylinder. Heavy-duty alloy steel construction with advanced seals for leak-proof performance. Ensures stable power output and easy installation for municipal and construction work.
E320 Excavator Track Pad Mine Duty Excavator Track Shoe 10mm Thick 600mm Length
10mm thick, 600mm length mine-duty track shoe for E320 series excavators. Made from high manganese alloy steel with integral casting and heat treatment for 40%+ longer service life. Wear-resistant, anti-bending, and direct OEM replacement.
Doosan OEM Starter Motor 24V Heavy Duty Electric Starter for DX300LC-9C DX300LCA DX360LC-7M DX380LC Excavators
Genuine Doosan OEM 24V starter motor for DX300LC-9C, DX300LCA, DX360LC-7M, DX380LC excavators. Features gear-reduction design, 4.5-7.0kW power, ISO9001 certified, long service life, and quick 1-3 day lead time with express shipping.
CAT E390 E395 Mining Idler Wheel Heavy Duty Undercarriage Guide Wheel
OEM-compatible CAT E390/E395 mining idler wheel. Heavy-duty forged steel with HRC55-58 hardness & multi-layer seals. Direct bolt-on replacement, wear-resistant, 1-7 day delivery.
PC300 PC360 Excavator Idler Wheel Mine Forged Idler Roller Track Guide Wheel
Kun-forged PC300/PC360 excavator idler wheel with HRC48-55 hardness. High-grade 40Mn2 alloy steel, integral forging & quenching for superior wear/impact resistance. Prevents track deviation in harsh mining conditions.
Doosan DX500LC-9C OEM Travel Reducer Original Mottrol Final Drive for 50-Ton Mining Excavators
Original Mottrol final drive for Doosan DX500LC-9C 50-ton mining excavators. Features multi-stage planetary gears, reinforced housing, and integrated parking brake. 100% OEM genuine with multi-layer sealing for leak-proof operation in harsh mining conditions.
DooSan DX340LCA DX360LCA Carrier Roller Unyielding Support for Extreme Operations
DooSan DX340LCA & DX360LCA carrier rollers provide unyielding support for extreme operations. Engineered for flagship models with exceptional durability, wear-resistance, and low maintenance. Features double-sealed design, heavy-duty bearings, and multi-layer lubrication for long-lasting performance in mining, quarrying, and heavy infrastructure projects.
