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Help CenterExcavator Undercarriage Spare Parts Track Roller With High Load Capacity and Stability
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Description:
The Excavator Undercarriage Spare Parts serve as the foundation for the entire machine's movement and support. They are the core components that bear the weight of the entire machine, transmit the driving force for movement, and ensure stability and mobility in complex terrain operations. Consisting of multiple parts centered around the "four wheels and one belt" system, the chassis is a crucial system for the excavator's mobility and stable operation.
Specification
Brand |
All models undercarriage parts are in stock!!! |
||||||
|
PC series |
PC20-7 |
PC30 |
PC30-3 |
PC30-5 |
PC30-6 |
PC40-7 |
PC45 |
PC120-6 |
PC130 |
PC130-7 |
PC200 |
PC200-1 |
PC200-3 |
PC200-5 |
|
|
EX series |
EX40-1 |
EX40-2 |
EX55 |
EX60 |
EX60-2 |
EX60-3 |
EX60-5 |
EX100 |
EX110 |
EX120 |
EX120-1 |
EX120-2 |
EX120-3 |
EX120-5 |
|
EX200-2 |
EX200-3 |
EX200 |
EX220-3 |
EX220 |
EX270 |
EX300 |
|
|
E series |
E200B |
E200-5 |
E320D |
E215 |
E320DL |
E324D |
E324DL |
E320S |
E320 |
E320DL |
E240 |
E120-1 |
E311 |
E312B |
|
|
SH series |
SH120 |
SH120-3 |
SH200 |
SH210-5 |
SH200 |
SH220-3 |
SH220-5/7 |
SH220 |
SH280 |
SH290-7 |
SH260 |
SH300 |
SH300-3 |
SH300-5 |
|
|
SK series |
SK120-6 |
SK120-5 |
SK210-8 |
SK210LC-8 |
SK220 |
SK220-1 |
SK220-3 |
SK200 |
SK200 |
SK200-3 |
SK200-6 |
SK200-8 |
SK200-5/6 |
SK60 |
|
DH series |
DH200 |
DH220-3 |
DH220 |
DH220S |
DH280-2 |
DH280-3 |
DH55 |
Core Product Advantages:
Optimized Load Distribution - Reinforced flange design minimizes lateral forces during turning operations
Extended Service Life - Triple-sealed lubrication chambers prevent contamination ingress
Vibration Damping - Precision-machined surfaces ensure smooth interaction with track links
The track roller features a hardened outer ring with precisely calibrated internal clearances that maintain optimal grease retention. Our proprietary heat treatment process enhances surface hardness to 55-60 HRC while preserving core toughness. The dual-bearing configuration accommodates both radial and axial loads encountered during excavation and grading operations.
Customer Benefits:
Reduces undercarriage maintenance frequency by 30-40% compared to standard rollers
Interchangeable with OEM components for multiple excavator brands
Minimizes track derailment risks through improved flange engagement
Backed by Xuzhou Guozi's decade-long expertise in construction machinery components, our manufacturing facility utilizes CNC machining centers and automated assembly lines to ensure dimensional consistency. Each roller undergoes rotational torque testing and pressure washing validation before shipment. With dedicated technical support and global logistics capabilities, we provide reliable aftermarket solutions that meet international quality expectations.
FAQ Section
Q1: What excavator models are compatible with your track rollers?
A: Our rollers fit Komatsu PC200-PC400, Caterpillar 320-350, and Hitachi ZX330-ZX470 series among others. Compatibility charts available upon request.
Q2: How does your sealing system prevent premature failure?
A: The triple-lip seal with dust exclusion grooves creates progressive barriers against abrasive particles while retaining lubricant.
Q3: What is the expected service life under normal conditions?
A: Approximately 3,500-5,000 operating hours depending on terrain abrasiveness and maintenance practices.
Q4: Do you provide installation guidance?
A: Yes, detailed mounting instructions and torque specifications accompany each shipment.
Q5: Can you produce custom shaft diameters?
A: We offer modification services for shaft dimensions and mounting configurations with minimum order quantities.
Q6: What quality assurance measures are implemented?
A: 100% dimensional inspection, material certification, and sample destructive testing per production batch.
Q7: How do you ensure shipment protection?
A: Components are vacuum-sealed in anti-corrosion packaging with reinforced wooden crates for international transport.
Q8: What is your production lead time?
A: Standard models ship within 15 working days; express options available for urgent requirements.
Send Inquiry to This Supplier
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