The Track Roller — also known as Bottom Roller or Lower Roller — is a key load-bearing component installed beneath the track frame of Hitachi ZX200-5G crawler excavators.
As one of the main undercarriage components, the bottom roller carries the machine's operating weight, supports the track chain and ensures smooth crawler movement during digging, travelling and construction operations.
For a 20-ton class excavator, the track roller is continuously exposed to:
A worn or damaged track roller may cause:
Our Hitachi ZX200-5G track rollers are manufactured according to OEM-style drawings, providing a reliable aftermarket replacement solution for construction, earthmoving and rental fleet applications.
Designed for:
Reference OEM number:
Available configurations:
Suitable for different positions on the track frame.
Manufactured from:
40Mn2 Alloy Steel
Advantages:
The roller tread surface is induction hardened:
Improves resistance against:
Equipped with:
Designed to prevent:
Manufactured with:
Provides direct bolt-on installation without modification.
| Item | Specification / Detail |
|---|---|
| Machine Model | Hitachi ZX200-5G Excavator |
| Compatible Models | ZX200-5G / ZX200-5 / ZX200LC-5G |
| Machine Class | 20 Ton Excavator |
| Part Type | Track Roller (Bottom Roller / Lower Roller) |
| OEM Part Number | 9184516 |
| Flange Type | Single Flange (SF) / Double Flange (DF) |
| Material | High-strength 40Mn2 Alloy Steel |
| Manufacturing Method | Forging / Casting / Machining |
| Surface Hardness | HRC 52-58 |
| Hardening Depth | 5mm - 10mm |
| Sealing | Heavy-duty floating oil seal, lifetime lubricated |
| Mounting | OEM standard, bolt-on direct replacement |
| Application | Construction, earthmoving and excavation operations |
| Shipping Note | Heavy component — sea freight recommended |
For a 20-ton class excavator like Hitachi ZX200-5G, undercarriage components account for a major part of routine maintenance costs.
A reliable track roller helps:
Every roller produced by our factory undergoes strict quality inspection:
With professional manufacturing capability for excavator undercarriage parts, we provide OEM-compatible replacement solutions with stable quality, competitive pricing and warranty support.
Contact us with your machine model, serial number, OEM part number and roller position to confirm the correct replacement.
The Track Roller — also known as Bottom Roller or Lower Roller — is a key load-bearing component installed beneath the track frame of Hitachi ZX200-5G crawler excavators.
As one of the main undercarriage components, the bottom roller carries the machine's operating weight, supports the track chain and ensures smooth crawler movement during digging, travelling and construction operations.
For a 20-ton class excavator, the track roller is continuously exposed to:
A worn or damaged track roller may cause:
Our Hitachi ZX200-5G track rollers are manufactured according to OEM-style drawings, providing a reliable aftermarket replacement solution for construction, earthmoving and rental fleet applications.
Designed for:
Reference OEM number:
Available configurations:
Suitable for different positions on the track frame.
Manufactured from:
40Mn2 Alloy Steel
Advantages:
The roller tread surface is induction hardened:
Improves resistance against:
Equipped with:
Designed to prevent:
Manufactured with:
Provides direct bolt-on installation without modification.
| Item | Specification / Detail |
|---|---|
| Machine Model | Hitachi ZX200-5G Excavator |
| Compatible Models | ZX200-5G / ZX200-5 / ZX200LC-5G |
| Machine Class | 20 Ton Excavator |
| Part Type | Track Roller (Bottom Roller / Lower Roller) |
| OEM Part Number | 9184516 |
| Flange Type | Single Flange (SF) / Double Flange (DF) |
| Material | High-strength 40Mn2 Alloy Steel |
| Manufacturing Method | Forging / Casting / Machining |
| Surface Hardness | HRC 52-58 |
| Hardening Depth | 5mm - 10mm |
| Sealing | Heavy-duty floating oil seal, lifetime lubricated |
| Mounting | OEM standard, bolt-on direct replacement |
| Application | Construction, earthmoving and excavation operations |
| Shipping Note | Heavy component — sea freight recommended |
For a 20-ton class excavator like Hitachi ZX200-5G, undercarriage components account for a major part of routine maintenance costs.
A reliable track roller helps:
Every roller produced by our factory undergoes strict quality inspection:
With professional manufacturing capability for excavator undercarriage parts, we provide OEM-compatible replacement solutions with stable quality, competitive pricing and warranty support.
Contact us with your machine model, serial number, OEM part number and roller position to confirm the correct replacement.
