Product Description
| Material | ZG40Mn,40mn2 |
| Part No. | CR4095,CATERPILLAR 7T4509,CATERPILLAR 7T4509C,ITM P01074D0M00,VPI VCR4095V |
| Finish | Smooth |
| Colors | Black, yellow, or customized |
| Technology | Forging/Casting |
| Surface Hardness | HRC55-60,depth: 8mm-12mm |
| Warranty time | 12 Months |
| Delivery Time | 25-30 days |
D7G IDLER PART NO.:125-4655
Product Overview
Part Number: 125-4655
Fit Machine: CAT D7G Medium Crawler Bulldozer
This heavy-duty aftermarket replacement idler wheel is engineered specifically for CAT D7G construction bulldozers. Cast from high-strength alloy steel and treated with full-rim deep quenching heat treatment, this track tensioner holds optimal track tension and guides track chains smoothly. It effectively stops track offset, slippage and derailment, delivering consistent, long-lasting performance for municipal road projects, stone quarrying and general earthmoving jobs.
Core Advantages
Precision Replacement Dimension Design
Outer diameter, spindle bore and mounting brackets are all precision-machined for seamless fit on CAT D7G bulldozers. Direct bolt-on installation is available without cutting, welding or extra modifications.
Deep Carburized Hardened Rim
The rim surface receives carburizing quenching treatment to gain outstanding abrasion resistance, greatly extending service life on rough rocky and muddy job sites.
Multi-Layer Mud-Proof Sealed Lubrication System
Heavy-duty composite oil seals block mud, sediment and water from entering while stopping grease leakage, drastically lowering routine maintenance frequency for daily bulldozer pushing work.
High-Toughness One-Piece Cast Body
Robust integrated casting structure withstands prolonged medium-load pushing cycles without cracking or permanent deformation on construction sites.
Rigorous Pre-Shipment Quality Control
Every idler passes mandatory hardness testing, hydraulic leak testing and dimensional calibration before packaging, guaranteeing uniform stable quality for every shipment.
Compatible Equipment
This aftermarket replacement idler fits CAT D7G crawler bulldozer perfectly.
If you have questions about compatibility, send your machine model and photos of your original old idler to our sales team for quick professional confirmation.
Application
Replacement track tension idler wheel for CAT D7G bulldozers, widely used in municipal road construction, stone quarry sites and heavy earthmoving machinery track tension systems.
Packing & Delivery
All idlers are packed in shockproof export wooden cases filled with anti-rust oil and thick shock-absorbing foam, protecting products from collision, rust and deformation during long-distance sea and air international transit.
We welcome bulk wholesale orders, accept mixed full-set bulldozer undercarriage spare parts, offer fast mass production lead time and global door-to-door delivery service.
Why Choose MUYE Aftermarket Undercarriage Parts
MUYE Machinery has specialized in aftermarket medium & heavy bulldozer and excavator chassis spare parts for more than 10 years:
- Full product range covering idlers, track rollers, top rollers, sprockets, segments and track shoes compatible with CAT, Komatsu, Doosan, Hitachi, Volvo and other mainstream machinery brands
- Direct factory sourcing with competitive wholesale prices, no markup from middle dealers
- All aftermarket undercarriage wear parts are backed by a 12-month quality warranty
- Dedicated professional technical team for precise model matching and installation guidance
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