ZX200-5G OEM Direct Replacement Top Roller Heavy-Duty Forging with CNC Ultra-Precision Machining for Excavator Undercarriage
Price:
US$19-34
MOQ:
1PCS
Delivery Time:
7-15Days
Brand:
ZTMC
Product Description
ZX200-5G Top Roller OEM Replacement 9262248
This carrier top roller is a 1:1 OEM direct replacement for ZX200-5G excavator, matched with official part number 9262248. It perfectly fits original mounting holes and assembly dimensions without cutting, drilling or any on-site secondary modification.
| Item | Specification |
|---|---|
| OEM Part Number | 9262248 |
| Applicable Excavator Model | ZX200-5G |
| Machining Tolerance | ±0.01mm CNC ultra-precision machining |
| Heat Treatment Process | Overall quenching + stress relief tempering |
| Applicable Working Scenarios | Muddy construction site, gravel quarry, road renovation, rough earthmoving terrain, high-frequency urban construction |
| Installation Type | Plug-and-play OEM direct replacement |
Applicable Working Environments
ZX200-5G new-generation excavators are widely used in high-frequency urban construction, large-scale earthmoving, quarry mining and complex muddy working sites. This upgraded heavy-duty top roller is customized to match the high-load working characteristics of ZX200-5G machines.
Core Production & Heat Treatment Process
Adopt high-strength one-piece integrated forging steel blank to meet higher load demand of 5G series excavators. Dual standard heat treatment is adopted: integral quenching improves surface hardness to resist long-term abrasive wear from gravel and sediment; secondary tempering eliminates internal metal stress, avoiding roller shell cracking under frequent strong impact.
On-site Installation Steps
1. Raise the excavator track with a hydraulic jack to separate track from ground and release partial track tension;
2. Remove fixing bolts of the old top roller, take out damaged roller and clean dust and sediment on the mounting base;
3. Place the new top roller in original position, align reserved bolt holes accurately;
4. Lock all fixing bolts with standard torque, reset track tension and conduct track idle running test;
5. Check no abnormal vibration or friction noise to complete installation.
Optimized Operation Advantages
- Accurate OEM size matching eliminates track deviation and walking vibration during high-frequency operation
- Enhanced heavy-duty floating seal prevents muddy water and dust intrusion, avoiding oil leakage in harsh sites
- Upgraded overall structural toughness adapts to frequent impact loads of 5G generation excavators
- Direct bolt-on installation saves maintenance time and reduces on-site labor costs
Real Customer Cooperation Case
A Southeast Asian engineering fleet equipped with batches of ZX200-5G excavators used generic top rollers before, which failed within 720-850 working hours due to insufficient heat treatment. After replacing with our OEM-standard top rollers, all parts run stably over 1800 working hours without seal leakage or shell fracture, cutting annual undercarriage maintenance cost by 34%.
Frequently Asked Questions
Q1: Is this top roller fully compatible with ZX200-5G?
A: Yes, OEM part number 9262248 is specially customized for ZX200-5G, 100% consistent with original installation size, no extra adjustment required.
Q2: What is the difference between this roller and ordinary ZX200 standard roller?
A: This model is upgraded for 5G high-load version with thicker roller shell and better impact resistance. Ordinary standard rollers cannot bear long-time high-frequency impact and are easy to crack.
Q3: Can you provide batch quality inspection reports?
A: Yes, we can provide complete heat treatment test reports and dimensional inspection reports to support customers' bulk order quality inspection.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Nan'an Zhongte Engineering Machinery Factory
Location
No. 105, Shangdian Street, Changfu Village, Xiamei Town, Nan'an City, Quanzhou City, Fujian Province
Contact Person
Mr.