The Track Roller, also known as Bottom Roller or Lower Roller, is a key undercarriage component installed beneath the track frame of Volvo VD3000 crawler excavators.
It carries a large proportion of the machine operating weight, supports the track chain and ensures smooth crawler movement during travelling and working operations.
A high-quality track roller helps maintain:
During operation, track rollers are exposed to:
A worn or damaged roller may cause:
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 replacement without modification.
| Item | Specification / Detail |
|---|---|
| Product Type | Excavator Undercarriage Track Roller |
| Applicable Machine Weight | Approx. 30 Ton Class |
| Machine Model | Volvo VD3000 Excavator |
| Roller Structure | Heavy-duty Steel Body with Precision Machining |
| Material Grade | 40Mn2 Alloy Steel |
| Manufacturing Process | Forging / Casting + CNC Machining |
| Heat Treatment | Induction Hardening |
| Surface Hardness | HRC 52-58 |
| Hardening Depth | 8mm-12mm |
| Seal System | Heavy-duty Floating Oil Seal |
| Lubrication System | Lifetime Internal Lubrication |
| Bearing Structure | Hardened Shaft + Wear-resistant Bushing |
| Quality Inspection | Dimension, Hardness and Sealing Inspection |
| Flange Type | Single Flange (SF) / Double Flange (DF) |
| Installation | OEM Standard, Bolt-on Direct Replacement |
| Shipping Note | Heavy Component — Sea Freight Recommended |
The Track Roller, also known as Bottom Roller or Lower Roller, is a key undercarriage component installed beneath the track frame of Volvo VD3000 crawler excavators.
It carries a large proportion of the machine operating weight, supports the track chain and ensures smooth crawler movement during travelling and working operations.
A high-quality track roller helps maintain:
During operation, track rollers are exposed to:
A worn or damaged roller may cause:
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 replacement without modification.
| Item | Specification / Detail |
|---|---|
| Product Type | Excavator Undercarriage Track Roller |
| Applicable Machine Weight | Approx. 30 Ton Class |
| Machine Model | Volvo VD3000 Excavator |
| Roller Structure | Heavy-duty Steel Body with Precision Machining |
| Material Grade | 40Mn2 Alloy Steel |
| Manufacturing Process | Forging / Casting + CNC Machining |
| Heat Treatment | Induction Hardening |
| Surface Hardness | HRC 52-58 |
| Hardening Depth | 8mm-12mm |
| Seal System | Heavy-duty Floating Oil Seal |
| Lubrication System | Lifetime Internal Lubrication |
| Bearing Structure | Hardened Shaft + Wear-resistant Bushing |
| Quality Inspection | Dimension, Hardness and Sealing Inspection |
| Flange Type | Single Flange (SF) / Double Flange (DF) |
| Installation | OEM Standard, Bolt-on Direct Replacement |
| Shipping Note | Heavy Component — Sea Freight Recommended |
