The Track Roller — also known as Bottom Roller or Lower Roller — is a critical load-bearing component installed beneath the track frame of Sumitomo SH480 crawler excavators.
For a 45-50 ton class excavator, each track roller operates under extremely high static and dynamic loads. It supports the machine weight, guides the track chain and ensures smooth crawler movement during excavation and travelling operations.
SH480 excavators are commonly used in:
The track roller operates under severe working conditions:
A worn or damaged track roller may cause:
Our Sumitomo SH480 track rollers are manufactured according to OEM-style drawings and heavy-duty production standards, providing reliable aftermarket replacement solutions for large excavator fleets.
Designed for:
Reference OEM numbers:
Suitable for:
Designed for long service life under high-load conditions.
Manufactured from:
40Mn2 / 50Mn Alloy Steel
Advantages:
The roller tread surface is induction hardened:
Improves resistance against:
Equipped with:
Designed to prevent:
Manufactured with:
Provides direct bolt-on replacement without modification.
| Item | Specification / Detail |
|---|---|
| Machine Model | Sumitomo SH480 Excavator |
| Compatible Models | SH480 / SH480LHD-6 / SH470 / SH500 |
| Machine Class | 45-50 Ton Excavator |
| Part Type | Track Roller (Bottom Roller / Lower Roller) |
| OEM Part Number | YA00008025 / YA00007870 / LC60D00001F1 |
| Flange Type | Single Flange (SF) / Double Flange (DF) |
| Material | High-strength 40Mn2 / 50Mn Alloy Steel |
| Manufacturing Method | Forging / Casting / Precision Machining |
| Surface Hardness | HRC 52-58 |
| Hardening Depth | 8mm - 12mm |
| Sealing | Heavy-duty floating oil seal, lifetime lubricated |
| Mounting | OEM standard, bolt-on direct replacement |
| Application | Mining, quarrying and heavy construction |
| Shipping Note | Heavy component — sea freight recommended |
For a large excavator like Sumitomo SH480, undercarriage components directly influence machine productivity and operating cost.
A reliable track roller helps:
Every roller produced by our factory undergoes strict quality inspection:
With professional manufacturing capability for heavy 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 critical load-bearing component installed beneath the track frame of Sumitomo SH480 crawler excavators.
For a 45-50 ton class excavator, each track roller operates under extremely high static and dynamic loads. It supports the machine weight, guides the track chain and ensures smooth crawler movement during excavation and travelling operations.
SH480 excavators are commonly used in:
The track roller operates under severe working conditions:
A worn or damaged track roller may cause:
Our Sumitomo SH480 track rollers are manufactured according to OEM-style drawings and heavy-duty production standards, providing reliable aftermarket replacement solutions for large excavator fleets.
Designed for:
Reference OEM numbers:
Suitable for:
Designed for long service life under high-load conditions.
Manufactured from:
40Mn2 / 50Mn Alloy Steel
Advantages:
The roller tread surface is induction hardened:
Improves resistance against:
Equipped with:
Designed to prevent:
Manufactured with:
Provides direct bolt-on replacement without modification.
| Item | Specification / Detail |
|---|---|
| Machine Model | Sumitomo SH480 Excavator |
| Compatible Models | SH480 / SH480LHD-6 / SH470 / SH500 |
| Machine Class | 45-50 Ton Excavator |
| Part Type | Track Roller (Bottom Roller / Lower Roller) |
| OEM Part Number | YA00008025 / YA00007870 / LC60D00001F1 |
| Flange Type | Single Flange (SF) / Double Flange (DF) |
| Material | High-strength 40Mn2 / 50Mn Alloy Steel |
| Manufacturing Method | Forging / Casting / Precision Machining |
| Surface Hardness | HRC 52-58 |
| Hardening Depth | 8mm - 12mm |
| Sealing | Heavy-duty floating oil seal, lifetime lubricated |
| Mounting | OEM standard, bolt-on direct replacement |
| Application | Mining, quarrying and heavy construction |
| Shipping Note | Heavy component — sea freight recommended |
For a large excavator like Sumitomo SH480, undercarriage components directly influence machine productivity and operating cost.
A reliable track roller helps:
Every roller produced by our factory undergoes strict quality inspection:
With professional manufacturing capability for heavy 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.
