Place of Origin:
Fujian China
Brand Name:
STST
Certification:
CE、CNAS、COC、SGS、ISO
Model Number:
EX70
Designed focusing on outstanding anti-abrasion performance, this top roller effectively supports the upper track chain, stabilizes track operation and prevents track sagging or derailment during long-hour heavy-duty construction work. Strictly manufactured to match original dimensional standards of EX70 bulldozer, it realizes direct plug-and-play installation without any secondary modification, perfectly replacing worn-out original carrier rollers for construction machinery maintenance.
| Specification Item |
Product Details |
|---|---|
| Product Model | EX70 Carrier Roller |
| Official Fitment | EX70 Bulldozer Undercarriage Assembly |
| Surface Hardening Treatment | Medium-Frequency Induction Quenching, Dense Hardened Layer |
| Seal Structure | Triple Labyrinth Dust Seal + Double Floating Oil Seal, Zero Oil Leakage |
| Core Performance | High Anti-Abrasion, Heavy Impact Resistant, Smooth Rotation Without Jamming |
| Mounting Position | Upper Undercarriage Frame, For Top Track Supporting & Stabilizing |
| Adapted Working Conditions | Open-pit Mining, Quarry Exploitation, Road Construction, Muddy Earthmoving, Wilderness Engineering |
1.Premium anti-abrasion wheel body processed via overall forging and medium-frequency surface quenching, forming dense hardened layer to resist continuous friction from gravel, rock and sandy mud, greatly extending service lifespan compared with ordinary casting rollers.
2.Optimized composite labyrinth plus floating oil seal structure effectively blocks dust, silt and sewage intrusion, avoiding internal grease leakage and reducing regular maintenance frequency.
3.Precisely ground central axle guarantees smooth rotation of carrier roller without jamming, lowering extra chassis friction and abnormal wear of matched track links, sprockets and idlers.
4.Strict finished-product load and abrasion testing before factory delivery to stabilize product consistency under continuous heavy-load operating conditions.
This EX70 Carrier Roller is exclusively compatible with EX70 model bulldozer undercarriage assembly, widely applicable for diversified harsh working scenarios including open-pit mining, quarry exploitation, road construction, muddy earthmoving projects and wilderness engineering operations. It is an essential wear spare part for daily repair and aftermarket replacement of EX70 crawler bulldozers.
1.Factory direct supply removes intermediate markup, offering cost-effective aftermarket price with OEM equivalent quality standard.
2.Complete compliance with original EX70 specification ensures seamless fitting and stable running of whole bulldozer undercarriage system.
3.Superior anti-abrasion property cuts down frequent part replacement cost and machine downtime loss for equipment operators.
4.Reliable quality warranty is available for customers to eliminate after-sales usage concerns.
EX70 Carrier Roller, Carrier Roller, Bulldozer Carrier Roller, Anti-Abrasion Carrier Roller, Bulldozer parts
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