The Track Roller — also known as Bottom Roller or Lower Roller — is a key undercarriage component installed beneath the track frame of Hitachi RH108 crawler excavators.
The bottom roller carries the machine operating weight, supports the track chain and maintains correct crawler alignment during travelling and excavation.
During operation, the roller is exposed to:
A worn or damaged track roller may cause:
Our RH108 track rollers are manufactured according to OEM-style production standards, providing reliable replacement solutions for equipment dealers, repair workshops and contractors.
Designed for:
Suitable for:
Available configurations:
Suitable for different track frame positions.
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 replacement without additional modification.
| Item | Specification / Detail |
|---|---|
| Machine Model | Hitachi RH108 Excavator |
| Machine Class | Approx. 10 Ton Excavator |
| Part Type | Track Roller (Bottom Roller / Lower Roller) |
| OEM Part Number | Confirm by machine serial number |
| Flange Type | Single Flange (SF) / Double Flange (DF) |
| Material | High-strength 40Mn2 Alloy Steel |
| Manufacturing Method | Forging / Casting / Precision 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 and earthmoving equipment |
| Shipping Note | Heavy component — sea freight recommended |
For crawler excavators like Hitachi RH108, undercarriage components directly affect machine stability, travelling performance and maintenance cost.
A reliable track roller helps:
Every roller produced by our factory undergoes strict 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 or roller dimensions to confirm the correct replacement.
The Track Roller — also known as Bottom Roller or Lower Roller — is a key undercarriage component installed beneath the track frame of Hitachi RH108 crawler excavators.
The bottom roller carries the machine operating weight, supports the track chain and maintains correct crawler alignment during travelling and excavation.
During operation, the roller is exposed to:
A worn or damaged track roller may cause:
Our RH108 track rollers are manufactured according to OEM-style production standards, providing reliable replacement solutions for equipment dealers, repair workshops and contractors.
Designed for:
Suitable for:
Available configurations:
Suitable for different track frame positions.
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 replacement without additional modification.
| Item | Specification / Detail |
|---|---|
| Machine Model | Hitachi RH108 Excavator |
| Machine Class | Approx. 10 Ton Excavator |
| Part Type | Track Roller (Bottom Roller / Lower Roller) |
| OEM Part Number | Confirm by machine serial number |
| Flange Type | Single Flange (SF) / Double Flange (DF) |
| Material | High-strength 40Mn2 Alloy Steel |
| Manufacturing Method | Forging / Casting / Precision 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 and earthmoving equipment |
| Shipping Note | Heavy component — sea freight recommended |
For crawler excavators like Hitachi RH108, undercarriage components directly affect machine stability, travelling performance and maintenance cost.
A reliable track roller helps:
Every roller produced by our factory undergoes strict 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 or roller dimensions to confirm the correct replacement.
