Product Spotlight: MB Crusher BF90.3

Reliability on Any Jobsite
The MB Crusher BF90.3 is the legendary mid-size crusher bucket of MB Crusher range designed, engineered, and built to deliver maximum productivity with minimal operating costs. The BF90.3 is the legendary mid-size Mobile Jaw Crusher Attachment and go-to attachment for contractors, quarry operators, utility companies, municipalities, and demolition professionals across the United States.
Whether you’re working on highways, pipelines, site preparation, or aggregate recycling, the Heavy-Duty Crusher Attachment BF90.3 transforms any excavator into a high-efficiency mobile crusher—cutting hauling costs, reducing waste, and increasing revenue directly on the jobsite.
Key Features of the BF90.3 Crusher Bucket

Compatible With Excavators 46,300–70,500 lbs
Perfectly engineered for mid-to-large U.S. excavators, ensuring maximum efficiency on the toughest jobsites.

High-Quality On-Site Crushing
Crushes a wide variety of materials including:
Concrete (with or without rebar), Asphalt, Natural rock, Limestone and granite, Demolition debris, Aggregates, Excavation and trench spoil

Reduced Hauling & Disposal Costs
Turn waste into a profitable resource directly on your jobsite. No trucks. No landfill fees. No downtime

Adjustable Output Size
Achieve the exact material you need—from fine aggregate to larger fill—using the adjustable output jaw settings.

Built for Durability
Made with Hardox® wear-resistant materials and designed to withstand the toughest American worksites.

Easy to Operate & Maintain
Simple installation, minimal maintenance, and quick jaw adjustments keep your crew productive all day.
Do you wish to check if it will fit your machine?
Why U.S. Contractors Choose the BF90.3
1. Boost Productivity
Works with any brand of excavator and features a plug-and-work system for immediate on-site operation.
2. Lower Operating Costs
The BF90.3 replaces standalone crushers for a fraction of the cost—no fuel-hungry machines, no transport permits, no scheduling delays.
3. Increase Profitability
Sell the crushed material or reuse it on-site as:
- Base material
- Backfill
- Pipeline bedding
- Road sub-base
- Recycled aggregate
4. Work Anywhere
Tight urban jobsites, mountainous terrain, remote locations—if your excavator can get there, the BF90.3 can crush there.
Ideal Applications for U.S. Markets

- Demolition & Site Clearing
- Road Construction & Maintenance
- Pipeline & Trenching
- Utility Work
- Quarry & Mining Support
- Concrete & Asphalt Recycling
- Municipal Waste & Infrastructure Projects
BF90.3 Technical Highlights
- Excavator Weight Range: 46,300–70,500 lbs
- Bucket Weight: Approx. 7,716 lbs
- Output Adjustment: Variable, depending on project specifications
- Production Capacity: Material dependent
- Made for Tough American Jobsites
Transform Your Excavator Into a Mobile Jaw Crusher
The MB Crusher BF90.3 continues to set the standard for productivity and versatility in on-site crushing. For U.S. contractors looking to reduce hauling and dump fees, increase efficiency, and maximize material reuse, the BF90.3 delivers unmatched performance and long-term value.