v50 Open Front Rotary Brush Cutter

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v50 Open Front Rotary Brush Cutter

Product Category: Skid Steer

Cuts up to 6″ diameter trees and exposed blades allow faster cutting for a maintained finish.

  • DIRECT DRIVE EATON® MOTOR WITH RELIEF VALVES
  • HYDRAULIC BRAKING STOPS FLYWHEEL WITHIN 10 SECONDS
  • STANDARD MOTOR GUARD & SPINDLE GUARD
  • ROUNDED FLYWHEEL WITH 3 DOUBLE-SIDED BLADES BOUNCES OFF STUMPS
  • REPLACEABLE FRONT SKID SHOES

DO NOT OPERATE CUTTER WITHOUT A SHATTERPROOF CAB ON LOADER.

Read The Ultimate Guide to Skid Steer Brush Cutter Attachments

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MODEL RBV66-0 RBV72-0 RBV78-0 RBV84-0
Cut Width 66.0 72.0 78.0 84.0
Overall Cutter Width (Inches) 72.0 78.0 84.0 90.0
Overall Height (Inches) 21.4
Cutter Depth (Inches) 76.3 82.3 88.3 94.3
Deck Height (Inches) 7.3
Push Bar Height (Inches) 20.4
Minimum Cut Height (Inches) 2.0
Cutting Capacity, Diameter (Inches) 6.0
Deck Thickness: Top / Side (Inches) 0.25¹
Recommended Flow Rate (GPM) 14-25 Standard Flow, 25-42 High Flow
Approximate Weight (Pounds) 1465² 1550² 1625² 1700²
Recommended Loader Capacity Greater than 1500 pounds

¹Deck Material is Grade 50 Plate (50,000 PSI Minimum Yield Strength).
²High Flow motor options add approximately 70 pounds to model weight.

BLADE TIP SPEEDS (FPM)

Standard Flow Models
MODEL 14 GPM Minimum 18 GPM Maximum
RBV66-18-O 11,400 14,660
RBV72-18-O 12,440 15,995
RBV78-18-O 13,475 17,325
Standard Flow Models
MODEL 18 GPM Minimum 25 GPM Maximum
RBV66-25-O 11,585 16,090
RBV72-25-O 12,640 17,555
RBV78-25-O 13,695 19,700
RBV84-25-O 14,750 20,485
High Flow Models
MODEL 25 GPM Minimum 33 GPM Maximum
RBV66-HF33-O 12,630 16,670
RBV72-HF33-O 13,775 18,185
RBV78-HF33-O 14,925 19,700
RBV84-HF33-O 16,075 21,220
High Flow Models
MODEL 33 GPM Minimum 42 GPM Maximum
RBV66-HF42-O 11,065 14,085
RBV72-HF42-O 12,070 15,365
RBV78-HF42-O 13,080 16,645
RBV84-HF42-O 14,085 17,930

Flow rates in gallons per minute (GPM) and blade tip speeds in feet per minute (FPM).

Spec Comparisons - Virnig Brush Cutters

Easily compare all Virnig Brush Cutters.

Name (Model)          Widths AvailableHigh Flow AvailableCut Capacity (Diam) # of Blades72" Flywheel Weight (lbs)Front TypeOptions Available72" Model Weight (lbs)Rec. Loader Capacity (lbs)
V40 Rotary Brush Cutter - Standard Deck (BBV)60" & 72"No3.0"3220ClosedN/A1300> 1,500
V40 Rotary Brush Cutter - Open Front Deck (BBV-O)60" & 72"No3.0"3220OpenN/A1310> 1,500
V50 Rotary Brush Cutter - Standard Deck (RBV)60", 66", 72", 78"Yes4.0"3225ClosedRear Roller and Swivel Casters1435*> 1,500
V50 Rotary Brush Cutter - Floating Deck (RBV-F)60", 66", 72", 78"Yes4.0"3225ClosedRear Roller and Swivel Casters1680*> 1,500
V50 Rotary Brush Cutter - Open Front Deck (RBV-O)66", 72", 78", 84"Yes6.0"3275OpenN/A1550*> 1,500
V60 Industrial Rotary Cutter (IRC)72", 78", 84"Yes8.0"4550OpenN/A2120*> 2,200

*High Flow motor options add approximately 70 pounds to model weight.

Below are various questions Virnig Manufacturing receives on a regular basis. Browse through the following questions and click on a question to see the answer. If you do not see your question listed below please contact a local Virnig dealer or call 800.648.2408.

V50 ROTARY BRUSH CUTTER – OPEN FRONT DECK FREQUENTLY ASKED QUESTIONS

WHAT BLADES DO I USE ON THE V50 OPEN FRONT ROTARY BRUSH CUTTER?

The V50 Open Front Rotary Brush Cutter uses double-sided 5” x ⅝” blades that are reversible for longer life.

CAN I GET CASTERS OR A REAR ROLLER FOR THE V50 OPEN FRONT?

No, there are no options for casters or a rear roller for the V50 Rotary Brush Cutter with Open Front Deck.

WHAT IS THE V50 OPEN FRONT ROTARY BRUSH CUTTER’S BEST APPLICATION?

The V50 Open Front Rotary Brush Cutter is designed to rough cut large, dense brush and trees up to 6” in diameter.

WHAT IS THE DIFFERENCE BETWEEN THE V50 OPEN FRONT ROTARY BRUSH CUTTER AND THE V60 INDUSTRIAL ROTARY CUTTER?

  • While both have an open front design, the V60 Industrial Rotary Cutter is designed to cut through heavier material.
  • The V50 Open Front Rotary Brush Cutter’s three-blade flywheel system is lighter than an Industrial Rotary Cutter, which also has an additional fourth blade.
  • The V50 Open Front Rotary Rotary Brush Cutter is 300-800 pounds lighter than an Industrial Rotary Cutter.
DOES THE ROTARY BRUSH CUTTER CUT BI-DIRECTIONALLY?

No. Running the flywheel system in reverse will cause the cutter to cut poorly, easily stall, and have minimal torque.

The Rotary Brush Cutter is designed to spin counter-clockwise and takes 7-10 seconds to come to a complete stop. If the flywheel is running in reverse, slow down will be much faster and very loud.

Operating the Rotary Brush Cutter’s flywheel counter-clockwise is essential for proper operation and preventing damage to the cutter’s blades and motor.

HOW IMPORTANT IS A QUALITY SPINDLE?

The spindle is the most expensive performance component on a skid steer brush cutter. It is responsible for smoothly transferring power from the hydraulic motor to the flywheel and absorbing impact that could damage the hydraulic motor.

High-performance skid steer brush cutters require heavy-duty spindles to ensure reliability and productivity.

WHAT PROTECTS THE HYDRAULIC SYSTEM FROM PRESSURE SPIKES?

Standard pressure relief valves protect the motor and the loader’s hydraulic system from damaging pressure spikes. When the maximum pressure point is reached, the valve opens to prevent pressure from rising any further. This prevents seals or other internal components from breaking due to excessive pressure.

WHY DO I NEED A SHATTERPROOF CAB ON MY LOADER?

Rotary brush cutters are capable of throwing debris over 200 feet and can cause serious bodily harm or death if not used with a shatterproof cab.

WHAT CUTTER WIDTH SHOULD I PURCHASE?

For efficient operation, purchase a skid steer brush cutter with a cut width that is wider than the tires or tracks of your loader.

Loader capacity should also be considered. Selecting a skid steer attachment that is too wide will add weight, volume, and surface area, all factors that could affect performance.

IF I HAVE A LOADER WITH A STANDARD AND HIGH FLOW OPTION, WHICH MODEL SHOULD I ORDER?

Generally, higher GPM is better. Higher GPM provides more torque which prevents the cutter from losing power as easily and allows the cutter to return to cutting speed faster. There may be situations in which this is not true. For more information, contact a local Virnig dealer or call Virnig at 800-648-2408.

Virnig Frequently Asked Questions

What is Recommended Loader Capacity?

Virnig attachments are rated to provide maximum performance and protection against damage when paired with an appropriately sized loader. Here’s a checklist to get the right attachment for your loader.

Go here to find skid steer capacity and specs.

Contact a local Virnig dealer for the most accurate attachment specs, or call Virnig at 800.648.2408.

How Do I Purchase Virnig Attachments?

Virnig sells mini skid steer, compact tractor, and skid steer attachments through a network of independently owned dealers throughout the United States and Canada. Call 800-648-2408 for assistance in finding a dealer or use the online Dealer Finder.

WHERE CAN I FIND PRICING INFORMATION?

Please contact a local Virnig dealer to obtain pricing information.

For Virnig’s suggested retail price, fill out an online Request a Quote form.

What Type of Attachment Interface/Hookup Does Virnig Use?

All Virnig skid steer attachments are manufactured with a universal mount to fit most skid steer loaders. The mounting frame is built to ISO 24410 and SAE J2513 standards.

All Virnig mini skid steer attachments are manufactured with a Toro®/mini universal mount, Bobcat® mount, or ASV® mount.

What is the Setup Time for a Virnig Attachment?

Most Virnig attachments are ready to work right off the pallet.

To minimize setup time, Virnig Manufacturing requires the machine brand and model to be listed in every order for attachments with hydraulic components. This ensures proper hose length, routing, and coupler sizing. In addition, all hydraulic Virnig Attachments are tested for leaks and proper operation before leaving the factory. There may be specific scenarios in which additional setup time will be required.

HOW QUICKLY CAN I GET REPLACEMENT PARTS?

Most parts for Virnig skid steer attachments are available in-stock and can be shipped as early as the same day the order is received. Fabricated and back ordered parts are available with a reasonable lead time. Virnig uses several shipping options to provide timely and cost effective delivery to customers.

Check with a local Virnig dealer for replacement part availability.

WHAT WARRANTY DOES VIRNIG OFFER?

All Virnig parts and attachments are warranted for one year from the end user’s date of purchase, or the dealer’s date of first rental/demonstration. If the warranty period has expired, a sales receipt or first rental slip will be required for warranty consideration.

WHY DOES VIRNIG USE NITROSTEEL® CYLINDER RODS?

Virnig uses NitroSteel® cylinder rods because they are a superior performing alternative to chrome plating. The finish offers improved corrosion resistance and better grease retention.

Chrome plated cylinder rods can flake or pit and destroy the seals or other internal components; resulting in downtime and expensive repairs.

A NitroSteel® rod will perform better and increase the service life of a cylinder, making it the cost-effective choice. Learn more about the benefits of the NitroSteel® process.

The questions and answers in this FAQ are provided for general information purposes only and may not be completely accurate in every circumstance, view full details. This FAQ is subject to change without notice.

None Available.

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