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MB Crushers

MB Crushers BF135.8 Bucket Crusher | 51" Mouth | 43+ Ton Excavators

For Excavators

Crush 115 Cubic Yards Per Hour Right at the Jobsite

Experience industrial-grade crushing performance with the MB Crushers Bucket Crusher BF135.8, engineered for excavators over 43 tons. This premium attachment transforms demolition and quarry waste into reusable aggregate directly on-site, dramatically reducing hauling costs and boosting project efficiency. Built for the most demanding applications, it delivers unmatched productivity and reliability that serious operators trust.

115 cu yds/hr output — Crushes material fast on-site
94,800+ lb machines — Built for large excavators
2.09 cu yd load capacity — Handles significant material volumes
85–100 GPM hydraulic range — Efficient oil flow performance
51" mouth opening — Feeds large material chunks
  • Free Freight -- Ships from US warehouse, no hidden charges
  • Free Fit-Check Call -- Verify GPM, PSI, and quick-attach before buying
  • Price Match Guarantee -- Send us any authorized US dealer quote

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Hyundai_R500LC-7
MB Crushers Bucket Crusher | Model BF135.8 | Mouth Opening Width 51" | Machine Size 43+ Tons | For Excavator
$1.00

30-day money back · No restocking fee

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In the box

  • MB Crushers BF135.8 Bucket Crusher
  • Hydraulic hoses
  • Mounting hardware
Hyundai_R500LC-7
MB Crushers BF135.8 Bucket Crusher | 51" Mouth | 43+ Ton Excavators
$1.00

Crush 115 Cubic Yards Per Hour Right at the Jobsite

The BF135.8 bucket crusher is a vetted investment for operators running excavators 94,800 lbs and up. Built with heavy-duty materials for demanding jobsite conditions, it processes material at up to 115 cubic yards per hour with a 51-inch mouth opening and a 2.09 cubic yard load capacity. This is the craftsmanship you need for quarrying, recycling aggregates, excavation, and site preparation. Every component is engineered to reduce material volume efficiently and keep your rig working instead of waiting on a crusher crew.

FREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORT
US-Based Dealer Support
Bolt-On Excavator Mount
115 Cu Yd/Hr Output
Heavy-Duty Construction
16,535 lbs
Total Weight
2.09 cu yds
Load Capacity
51 inches
Mouth Opening Width
Hyundai_R500LC-7

Your Hydraulic Specs Verified Before This Bucket Ships

Stop guessing if a crushing bucket matches your excavator's hydraulic circuit. Forge & Grit verifies your machine's GPM, PSI, and quick-attach fit before this BF135.8 ships — no mystery specs, no smoked pumps, no return freight nightmares. Unlike Amazon marketplace listings that disappear mid-warranty claim, this vetted investment comes with a real phone number and dealer-authorized support. The 85–100 GPM requirement and >3,336 PSI rating are spelled out in plain English so you know exactly what your rig needs before a single bolt turns.

Volvo_BF135.8

Crush 115 Cubic Yards Per Hour Right Where You Stand

This BF135.8 turns demolition debris, recycled aggregates, and quarry rock into usable fill material without hauling it off-site. The 2.09 cubic yard load capacity and 51-inch mouth opening feed large chunks directly, reducing material volume fast. At 16,535 lbs, the heavy-duty frame handles demanding jobsite conditions without flexing. Whether you're prepping a foundation pad or processing riprap, this bucket crusher keeps your excavator productive instead of waiting on truck after truck of material removal.

Volvo_BF135.8

Call Us — We Confirm Your Rig Before It Leaves the Warehouse

Crushing buckets aren't grab-and-go attachments. The BF135.8 needs 85–100 GPM and over 3,336 PSI to operate correctly — and your excavator must weigh at least 94,800 lbs. That's why Forge & Grit has a real operator on the line at 330-919-7543 to confirm your machine specs before this unit ships. No order leaves without fit verification. This craftsmanship approach means zero surprises when the crate hits your jobsite and zero risk of dropping thousands on a bucket that smokes your hydraulic system.

Compatibility Check

Make sure your excavator meets these requirements before ordering.

  • Excavator operating weight 94,800 lbs or above
  • Hydraulic oil flow between 85–100 GPM
  • Hydraulic system pressure greater than 3,336 PSI

Built for These Jobs

The BF135.8 handles the heavy work that keeps your operation moving.

Quarrying
Recycling Aggregates
Excavation
Site Preparation

Full specifications

At a glance

Dimensions
51 inches
Full specifications9 data points across 4 categories

Dimensions

Mouth Opening Width51 inches
Mouth Opening Height24 inches
Weight16,535 lbs

Power & Performance

Oil Flow Range85–100 GPM
Pressure>3,336 PSI
ProductivityUp to 115 cubic yards per hour

Materials

Load Capacity2.09 cubic yards

Compliance & Warranty

Excavator Compatibility94,800 lbs and above (43+ tons)
ModelBF135.8

The Forge & Grit Promise

We stand behind every attachment we sell because we know what's on the line when your rig stops working.

Ships FreeLeaves our US warehouse assembled and ready to work. Tracking emailed the day it ships.
Guaranteed Fit or Money BackIf it doesn't fit your rig, send it back on us. No restocking fee. No runaround.
Price Match GuaranteeFound a lower price from an authorized US dealer? Send us the quote and we'll beat it.
★★★★★
“Ran the BF135.8 on our CAT 390 for three weeks straight processing basalt. No issues. Forge & Grit confirmed our flow rate before shipping — bucket showed up, bolted on, went straight to work. This is how equipment buying should work.”
F
First L.Knoxville, TN

MB Crushers Bucket Crusher | Model BF135.8

Unlock the full potential of your large excavator with the MB Crushers BF135.8 Bucket Crusher. Engineered for machines weighing 94,800 lbs and above, this powerhouse attachment transforms your heavy equipment into a mobile crushing plant. Whether you are tackling quarry operations, recycling aggregates, or managing large-scale demolition, the BF135.8 delivers unmatched efficiency. Capable of processing up to 115 cubic yards of material per hour and featuring a 51-inch mouth opening, this crusher reduces material volume on-site, slashing transport costs and boosting productivity. Experience the pinnacle of Italian engineering and turn waste into profit with every bucket load.

Key Features

  • Massive Production Capacity: Processes up to 115 cubic yards of material per hour, ensuring rapid job completion for high-volume operations.
  • Heavy-Duty Construction: Weighing 16,535 lbs, the BF135.8 is built with robust materials to withstand the most demanding crushing applications.
  • Large Excavator Compatibility: Specifically designed for excavators weighing 94,800 lbs (43+ tons), providing a perfect match for heavy machinery.
  • High-Volume Load Capacity: Features a 2.09 cubic yard load capacity, allowing you to process more material in fewer cycles.
  • Optimized Hydraulic Performance: Requires an oil flow of 85–100 gal/min and operating pressure greater than 3,336 PSI for powerful, consistent crushing.
  • Versatile Application: Ideal for quarries, mines, demolitions, road works, pipelines, foundries, and recycling aggregate.

Specifications

Feature Specification
Model BF135.8
Weight 16,535 lbs
Load Capacity 2.09 cubic yards
Mouth Opening Width 51 inches
Mouth Opening Height 24 inches
Pressure >3,336 PSI
Oil Flow Range 85–100 GPM
Excavator Compatibility 94,800 lbs and above (43+ tons)

Why Choose MB Crushers Bucket Crusher | Model BF135.8

When performance and reliability are non-negotiable, the MB Crushers BF135.8 stands alone. This is not just a bucket; it is a precision-engineered crushing solution backed by decades of industry leadership. Unlike traditional crushing methods that require separate machinery and hauling, the BF135.8 brings the crusher directly to the material, drastically reducing operational costs and environmental impact.

Every component is designed for maximum uptime. From the robust steel structure that resists wear to the advanced hydraulic system that delivers consistent power, the BF135.8 is built to pay for itself quickly. It excels in diverse environments—from breaking down reinforced concrete in demolition sites to processing virgin rock in quarries. By choosing the BF135.8, you are investing in a tool that enhances your excavator’s capability, increases job site efficiency, and delivers a superior return on investment. It is the definitive choice for professionals who demand the best in heavy-duty crushing.

**Online pricing not available. Please request a quote.**

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Frequently Asked Questions

Online pricing is not available for this item. To request a quote, click the chat button on our site or call 330-919-7543 to ensure you get the right unit. Alternatively, add the item to your cart, proceed to checkout, and use the chat box to provide details. Our team will process your request and an expert will contact you.
The BF135.8 is designed for large excavators weighing 94,800 lbs (43+ tons) and above. It requires a hydraulic oil flow of 85–100 gal/min and pressure greater than 3,336 PSI. Always verify your machine's specifications against these requirements to ensure proper compatibility.
This bucket crusher is ideal for crushing aggregates, demolition debris, quarry materials, and recycled materials. It has a 2.09 cubic yard load capacity and can process up to 115 cubic yards per hour, making it suitable for high-volume crushing in construction, mining, and recycling applications.
Regular maintenance includes checking hydraulic oil flow and pressure, inspecting wear parts like jaws and liners, and cleaning the bucket after use to prevent material buildup. Follow the manufacturer's guidelines for lubrication and replace worn components promptly to ensure optimal performance and longevity.
The BF135.8 bucket crusher is designed for mounting to an excavator and typically requires professional installation to ensure proper hydraulic connections and safety. Assembly involves attaching the bucket to the excavator's quick coupler or pins. We recommend having a qualified technician perform the setup.
Since pricing is by quote only, please contact our support team via chat or phone at 330-919-7543 for details on returns and warranty. Our experts will assist with any issues and help you get exactly what you need for your specific application.
This crusher is designed for heavy-duty operators in quarrying, mining, demolition, and large-scale construction. It is ideal for those needing high productivity (up to 115 cubic yards per hour) and working with excavators over 94,800 lbs. It is also suitable for recycling aggregates and site preparation.
SKU: mb-crushers-bucket-crusher-model-bf135-8-mouth-opening-width-51-machine-size-43-tons-for-excavator Categories: , , Brand:

The Forge & Grit Promise

We stand behind every attachment we sell because we know what's on the line when your rig stops working.

Ships Free Leaves our US warehouse assembled and ready to work. Tracking emailed the day it ships.
Guaranteed Fit or Money Back If it doesn't fit your rig, send it back on us. No restocking fee. No runaround.
Price Match Guarantee Found a lower price from an authorized US dealer? Send us the quote and we'll beat it.

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