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ApplicationOur products consist of undercarriage parts for bulldozer and excavator such as Track link,Track roller,Carrier roller,Sprocket,ldler,Track shoe,Cutting edge,End bit,Tooth Bucket,Track pin,Track bush, Engine parts,Track boit&nuts.U-bolt,Centre bolt,Wheel bolt and other related parts.
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About UsFujian Yongsheng Machinery Parts Co., Ltd. is located in Quanzhou City, Fujian Province, which is one of the most developed regions of China Machinery Manufacturing.The company was established in 2003, after approximately 10years' effort, and now it is one of the leading construction machinery parts auto parts manufacturers in CHINA.
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BlogSuppliers who pass Quality ManagementSystem Certification, and have onsitematerials or finished products inspected,as certified by independent third parties.
NEWS
Leading chinese undercarriage pars & Machinery part supplier
Sep 01,2026
Landfill Dozer Undercarriage Maintenance for Wire and Packed Waste
A landfill dozer does more than travel over abrasive ground. Wire, plastic film, textiles, compacted refuse and fine debris can wrap around shafts, block rollers, collect behind guards and change apparent track tension. Effective maintenance depends on frequent controlled cleaning, careful exposure management and a repeatable undercarriage inspection rather than waiting for material to become tightly wound.
Sep 01,2026
Forestry Excavator Undercarriage Maintenance for Stumps and Slash
Forestry land clearing exposes a crawler excavator to stumps, roots, slash, rocks, side slopes and soft ground in the same shift. These conditions can pack debris around rollers, bend guards, loosen shoe hardware and apply twisting loads to the track. A useful maintenance plan starts with route control, safe daily cleaning, repeatable inspection and machine-specific wear measurements.
Aug 31,2026
Cold Weather Dozer Undercarriage Maintenance for Frozen Ground
Freezing weather can turn ordinary mud and snow into rigid packing around a dozer's rollers, idlers, sprocket and track frame. The correct response is a condition-based winter routine: clean before material freezes solid, inspect before travel, verify that components can move normally, and use the exact operation and maintenance manual for track tension, lubricants and cold-weather procedures.
Aug 31,2026
Coastal Excavator Undercarriage Maintenance Near Saltwater
Salt spray, wet sand and trapped moisture can change an ordinary excavator undercarriage inspection into a corrosion-control routine. The most useful response is not to guess at a special replacement interval. It is to remove salt residue with fresh water, dry and inspect accessible surfaces, record changes, and follow the exact machine manual for lubrication, tension and service limits.
Aug 28,2026
Quarry Excavator Undercarriage Maintenance for Rock Work
Quarry excavators work on sharp aggregate, blasted rock, uneven benches and high-impact loading. These conditions can bend shoes, loosen hardware, damage guards, load track joints and create rapid side wear when the machine travels or turns on broken stone. A useful quarry maintenance plan combines safe cleaning, daily impact checks, application-matched shoe selection, repeatable wear measurements and operating habits that reduce avoidable shock.
Aug 28,2026
Used Bulldozer Undercarriage Inspection Before Buying
The undercarriage of a used bulldozer can look acceptable in seller photos while hiding uneven wear, mismatched replacement parts, leaking rollers, worn chains or a track adjuster that cannot hold its setting. Paint, hour-meter readings and a brief travel video do not establish remaining life. A useful pre-purchase inspection identifies the exact machine, measures both sides consistently and turns every finding into a documented repair or fitment question before a deposit is paid.
Aug 27,2026
Dozer Track Chain Jumping on the Sprocket: Causes and Inspection
A dozer track chain that climbs, bangs or appears to jump at the drive sprocket is showing abnormal engagement. The symptom may come from excessive looseness, chain pitch wear, worn or mismatched sprocket segments, debris, stiff joints, alignment problems, a track adjuster that cannot hold its setting or operating conditions. Continuing to force the machine can damage several mating components and increase derailment risk.
Aug 27,2026
Excavator One Track Slower: Is It the Undercarriage or Travel Drive?
When one excavator track moves slower than the other, the machine may pull to one side, require constant correction or feel weak during a turn. The symptom does not confirm a failed travel motor. One track can also be fighting mechanical resistance from incorrect tension, packed debris, stiff chain joints, restricted rollers, an idler problem or abnormal contact. A safe diagnosis separates visible undercarriage resistance from hydraulic and final-drive performance before parts are ordered.
Aug 26,2026
Komatsu D65 Dozer Undercarriage Inspection and Parts Fitment Guide
A Komatsu D65 undercarriage cannot be identified accurately from the base model alone. Current D65-18 materials include EX, PX, WX and intelligent machine-control variants, with differences in track geometry, shoe width, ground contact and application. Inspection should therefore document both wear condition and the exact machine identity before replacement parts are selected.
Aug 26,2026
Cat 336 Excavator Undercarriage Inspection and Parts Fitment Guide
A Cat 336 undercarriage should be inspected as a complete wear system, not as a collection of isolated parts. The machine name alone is not enough for ordering because the 336 family spans different generations, build numbers, configurations and markets. A useful inspection therefore combines visible wear clues with the full model suffix, serial or PIN, existing part numbers, measurements and jobsite conditions.
Related Posts
How Should The Supporting Wheels Be Selected To Avoid Stepping On Thunder?
High-quality support wheels mainly depend on the performance of its steel. The material of the roller body is generally 50Mn, 40Mn2, (MN: synonymous with the element of manganese).
Carrier Wheels Are Suitable For Various Models At Home And Abroad
Sprocket wheels are mainly used in various crawler bulldozers, excavators, pavers, milling machines, rotary drilling rigs or other crawler machinery equipment at home and abroad.
Contact Us
E-mail :
sales@china-ysm.com
Phone/WhatsApp：
+86-18606961587
Address：
No.8 Binjiang Street, Binjiang Industrial Zone, Xiamei Town, Nan An City, Quanzhou City, Fujian Province, China
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Andy Shi
No.8 Binjiang Street, Binjiang Industrial Zone, Xiamei Town, Nan An City, Quanzhou City, Fujian Province, China
Request Quote