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CATerpillar Excavator Undercarriage Parts Reinforced Rubber Track Chain Sprocket Idler Top Roller Bottom Roller
CATerpillar Excavator Undercarriage Parts Reinforced Rubber Track Chain Sprocket Idler Top Roller Bottom Roller
Specifications
Brand Name :
CAT
Model Number :
303 303CR 303CCR
Place of Origin :
China
MOQ :
1
Price :
$32 - $52
Payment Terms :
L/C,D/A,D/P,T/T
Supply Ability :
999
Delivery Time :
3-7 work days
Packaging Details :
Carton Box
Product Type :
Excavator Undercarriage Parts
Compatible Models :
303, 303CR, 303CCR
Function :
Supports the excavator body
Rubber Track :
Standard size for CAT 303 series
Sprocket :
Heat-treated steel
Idler :
Forged steel body
Surface Treatment :
Heat treatment + anti-corrosion coating for long service life
Top/Carrier Roller :
Sealed and lubricated design
Application Scenarios :
Mini excavator undercarriage repair
Description

Excavator Undercarriage Parts Rubber Track Sprocket Idler Top Roller Bottom Roller for CAT

Maintain the reliability and performance of your compact excavator with this complete undercarriage parts kit, engineered for Cat 303, 303CR, and 303CCR models. This comprehensive set includes idlers, sprockets, top rollers, bottom rollers, and rubber track components, all precision-machined to OEM specifications. Designed for durability in landscaping, construction, and utility work, these parts deliver smooth track operation and extended service life.

Core Selling Points

✅ Perfect OEM Fit for CAT 303 Series
Every component is manufactured to the exact dimensions of the original undercarriage parts, ensuring seamless installation and compatibility with your CAT 303, 303CR, or 303CCR. No modifications are needed, minimizing downtime during repairs.
✅ Heavy-Duty Construction for Long Life
Made from hardened, heat-treated steel, these idlers, sprockets, and rollers are built to withstand continuous track contact, vibration, and impact. The durable coating prevents rust and corrosion, making them ideal for both indoor and outdoor jobsites.
✅ Smooth, Reliable Track Performance
Precision-machined surfaces and high-quality bearings ensure consistent track alignment and low rolling resistance. This reduces wear on the rubber tracks, improves traction, and maintains smooth operation even on uneven terrain.
✅ Complete Kit for Cost-Effective Maintenance
By replacing all critical undercarriage components at once, you avoid premature failure and repeated repairs. This kit offers a cost-effective solution to restore your excavator’s performance, extending the life of your tracks and undercarriage system.

Item Specification
Compatible Models CAT303, 303CR, 303CCR Mini Excavator
Product Type Undercarriage Parts (Rubber Track, Sprocket, Idler, Top/Carrier Roller, Bottom/Track Roller)
Function Supports the excavator body, guides the track, and transmits power for movement
Rubber Track Standard size for CAT 303 series, reinforced rubber with steel cords, anti-abrasion, anti-tear
Sprocket Heat-treated steel, high wear resistance, matches track pitch perfectly
Idler Forged steel body, sealed bearings, maintains track tension and alignment
Top/Carrier Roller Sealed and lubricated design, supports the upper track section
Bottom/Track Roller Heavy-duty forged steel body, double-sealed bearings, supports the machine weight on the track
Surface Treatment Heat treatment + anti-corrosion coating for long service life
Condition New / Aftermarket Replacement
Application Scenarios Mini excavator undercarriage repair, construction machinery maintenance, landscaping equipment parts replacement

CATerpillar Excavator Undercarriage Parts Reinforced Rubber Track Chain Sprocket Idler Top Roller Bottom Roller

CATerpillar Excavator Undercarriage Parts Reinforced Rubber Track Chain Sprocket Idler Top Roller Bottom Roller

CATerpillar Excavator Undercarriage Parts Reinforced Rubber Track Chain Sprocket Idler Top Roller Bottom Roller

CATerpillar Excavator Undercarriage Parts Reinforced Rubber Track Chain Sprocket Idler Top Roller Bottom Roller

CATerpillar Excavator Undercarriage Parts Reinforced Rubber Track Chain Sprocket Idler Top Roller Bottom Roller

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CATerpillar Excavator Undercarriage Parts Reinforced Rubber Track Chain Sprocket Idler Top Roller Bottom Roller

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Product Detail
Brand Name :
CAT
Model Number :
303 303CR 303CCR
Place of Origin :
China
MOQ :
1
Price :
$32 - $52
Payment Terms :
L/C,D/A,D/P,T/T
Contact Supplier
CATerpillar Excavator Undercarriage Parts Reinforced Rubber Track Chain Sprocket Idler Top Roller Bottom Roller

Guangzhou Lanxin Machinery Equipment Co., Ltd

Verified Supplier
1 Years
guangzhou
Since 2008
Business Type :
Distributor/Wholesaler, Trading Company
Main Products :
Construction Engine, Excavator Engine Parts, Hydraulic Pump Assembly
Total Annual :
10000000￥-100000000￥
Employee Number :
50~150
Certification Level :
Verified Supplier
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