The Track Roller — also known as Bottom Roller or Lower Roller — is an essential undercarriage component installed beneath the track frame of Caterpillar CAT E307 crawler excavators.
The bottom roller supports the machine operating weight, maintains track chain alignment and ensures stable crawler movement during travelling and excavation operations.
For 7-ton class excavators, the roller operates under demanding working conditions:
A worn or damaged track roller may cause:
Our CAT E307 track rollers are manufactured according to OEM-style drawings, providing reliable aftermarket replacement solutions for equipment dealers, repair workshops and construction contractors.
Designed for:
Reference OEM numbers:
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 replacement without modification.
| Item | Specification / Detail |
|---|---|
| Machine Model | Caterpillar CAT E307 Excavator |
| Compatible Models | E307 / 307 / 307B / 307C / 307D |
| Machine Class | 7 Ton Excavator |
| Part Type | Track Roller (Bottom Roller / Lower Roller) |
| OEM Part Number | 6I-6524 / 093-2027 / 127-3806 |
| Flange Type | Single Flange (SF) / Double Flange (DF) |
| Material | High-strength 40Mn2 Alloy Steel |
| Manufacturing Method | Forging / Casting / Machining |
| Surface Hardness | HRC 50-58 |
| Hardening Depth | 5mm - 10mm |
| Sealing | Floating oil seal, lifetime lubricated |
| Mounting | OEM standard, bolt-on direct replacement |
| Application | Mini excavator, construction and landscaping |
| Shipping Note | Small component — suitable for air or sea freight |
For CAT E307, reliable undercarriage components are essential to maintain machine travelling performance and reduce operating costs.
A quality 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 an essential undercarriage component installed beneath the track frame of Caterpillar CAT E307 crawler excavators.
The bottom roller supports the machine operating weight, maintains track chain alignment and ensures stable crawler movement during travelling and excavation operations.
For 7-ton class excavators, the roller operates under demanding working conditions:
A worn or damaged track roller may cause:
Our CAT E307 track rollers are manufactured according to OEM-style drawings, providing reliable aftermarket replacement solutions for equipment dealers, repair workshops and construction contractors.
Designed for:
Reference OEM numbers:
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 replacement without modification.
| Item | Specification / Detail |
|---|---|
| Machine Model | Caterpillar CAT E307 Excavator |
| Compatible Models | E307 / 307 / 307B / 307C / 307D |
| Machine Class | 7 Ton Excavator |
| Part Type | Track Roller (Bottom Roller / Lower Roller) |
| OEM Part Number | 6I-6524 / 093-2027 / 127-3806 |
| Flange Type | Single Flange (SF) / Double Flange (DF) |
| Material | High-strength 40Mn2 Alloy Steel |
| Manufacturing Method | Forging / Casting / Machining |
| Surface Hardness | HRC 50-58 |
| Hardening Depth | 5mm - 10mm |
| Sealing | Floating oil seal, lifetime lubricated |
| Mounting | OEM standard, bolt-on direct replacement |
| Application | Mini excavator, construction and landscaping |
| Shipping Note | Small component — suitable for air or sea freight |
For CAT E307, reliable undercarriage components are essential to maintain machine travelling performance and reduce operating costs.
A quality 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.
