VIRNIG V70 Drum Mulcher for Skid Steer

VirnigSKU: DRM60VS-DRM60TKS

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DRUM CONFIGURATIONS: 60" VARIBLE PISTON SMOOTH DRUM
TOOTH STYLE: STEEL PLANNER
GAUGE: NO GAUGE
Price:
Sale price$40,770.00
Stock:
In stock

Description

v70 Drum Mulcher

PRODUCT CATEGORY: Skid Steer

Efficiently turn 14″ diameter trees and vegetation into a fine mulch and grind stumps below grade.

  • FIXED & VARIABLE SPEED BENT-AXIS PISTON MOTOR OPTIONS. VARIABLE MOTOR PROVIDES MORE TORQUE FOR PRODUCTIVE STUMP GRINDING & MULCHING BELOW GRADE
  • FACTORY TUNED TO THE LOADER FOR OPTIMAL DRUM RPM — NO MOTOR ADJUSTMENT OR SERVICE TECHS REQUIRED
  • 18″ PERFECTLY BALANCED QUADCO® DRUM WITH FULLY ENCLOSED GREASEABLE BEARINGS 
  • ANTI-WRAP DRUM PLATES PROVIDE WIRE & DEBRIS ENTANGLEMENT PROTECTION
  • INTERCHANGEABLE QUADCO® BOLT-ON STEEL & CARBIDE TOOTH OPTIONS 
  • AR400 BOLT-ON SKID SHOES, ADJUSTABLE PUSH BAR & REPLACEABLE AR400 WEAR LINER
  • ADJUSTABLE BOTTOM BITE PLATE TO CONTROL MATERIAL DISCHARGE SIZE
  • SPINDLE LOW PRESSURE OIL VENT SAFEGUARDS BEARING ADAPTER SEALS IF MOTOR SEALS FAIL
  • CASE DRAIN CONNECTION INDICATOR PROVIDES VISUAL CONFIRMATION OF FUNCTIONING CASE DRAIN
  • REAR CHAIN CURTAIN REDUCES DEBRIS THROWN TOWARD LOADER & OPERATOR

Requires a high flow loader with a flow rate of 30-50 GPM. Max operating pressure is 4,200 PSI. 

DO NOT OPERATE MULCHER WITHOUT A SHATTERPROOF CAB ON LOADER.

SPECS
MODEL DRM60 DRM72
Cut Width (Inches) 60.0 72.0
Overall Width (Inches) 73.0 85.0
Height: Overall / Frame (Inches) 59.8 / 25.0
Depth: Overall / Frame (Inches) 57.5 / 41.3
Push Bar Height From Ground (Inches) 58.2
Cutting Capacity, Diameter (Inches) 14.0
Maximum Cutting Depth (Inches) 2.0
Number of Teeth 34 38
Maximum Drum Speed (RPM) 2500 (+/- 150 RPM)
Drum Diameter (Inches) 18.0
Drum Wall Thickness (Inches) 1.0
Recommended Flow Rate (GPM) 30-50 High Flow Only
Approximate Weight With Smooth Drum (Pounds) 2735* 3010*
Recommended Loader Capacity Greater than 2800 pounds

*60″ bite control drum adds 130lbs and 72″ bite control drum adds 155lbs to model weight.

BLADE TIP SPEEDS (FPM)

HIGH FLOW MODEL

MODEL Min / Max Drum Speed (feet per minute)
DRM 11,075 / 12,500

 

BIG DAVE
WHAT CUTTING WIDTH SHOULD I CHOOSE?

60” drum mulchers are more popular since they’re more maneuverable in tight spaces, draw less HP from the loader and spin up and recover faster than a 72” drum mulcher. When primarily clearing trees, most of the production occurs in the middle of the drum and having an extra foot of cutting width isn’t necessary.

72” drum mulchers process more material at a faster rate than a 60” drum mulcher This can be an advantage when working on larger job sites with a lot of ground vegetation to clear and where significant back dragging and ground mulching is required. The heavier drum handles larger material loads and provides more cutting momentum when grinding stumps and through thick vegetation. 72” drum mulchers are more expensive upfront and will likely cost more to operate and maintain.

HOW DOES A DRUM MULCHER COMPARE TO A DISC MULCHER?

They both have advantages and disadvantages. Typically, drums are used in residential areas and discs used in unrestricted, rural areas with no houses or traffic. If flying debris is a concern, then a drum should probably be used. If the customer doesn’t care about the finished product and are in an unrestricted area, then a disc mulcher is usually preferred. 

Discs are for speed and are much more productive and efficient for cleared area/time. They can process an entire tree in a split second and the mulched material doesn’t pile up. 

Drums are more productive at processing felled material, leave less mess during initial knock down, produce a finer mulched finish and have better debris control. 

Drums can get below ground level (great for stumps), discs can cut flush with the ground. 

Quick Comparison Summary  

  • Drum = Quality: slower, nicer finish, some debris control, diverse environments, mulch below grade, higher operating cost, more expensive upfront cost  
  • Disc = Speed: faster, messier finish, debris uncontrollable, unrestricted environments, mulch ground level, lower operating cost, less expensive upfront cost 

SPEC COMPARISONS - VIRNIG MULCHERS

Easily compare Tree Disc Mulcher (TDM) and Drum Mulcher (DRM).

 

SHOULD I CHOOSE A FIXED MOTOR OR A VARIABLE MOTOR?

The Fixed Speed Bent-Axis Piston Motor (63cc max displacement) is the less expensive option for lighter vegetation and brush removal above ground. It will stall easier than a variable motor during heavy material loads, like when grinding stumps or mulching below grade, since it has less torque.

The Variable Speed Bent-Axis Piston Motor (85cc max displacement) is the most popular motor due to productivity gains when stump grinding and ground mulching. During heavy material loads, the motor smoothly shifts to max displacement and a slower speed to provide more torque.

WHICH TOOTH OPTION SHOULD I CHOOSE?

There are three tooth options which can be mixed and matched on the drum. The optimal choice depends on ground conditions, ground contact required and chip size requirements.

Steel planer teeth are the most productive and provide the smallest and finest mulched finish. They can be resharpened and rotated 180 degrees for twice the life.

Carbide Planer teeth are a hybrid between the steel planer and carbide hammer. It provides high productivity and can handle minimal ground contact.

Carbide Hammer teeth are for significant ground engagement and will provide the largest chip size. They also require the most loader power to operate since they are pulverizing material instead of slicing and cutting.

Steel Planer

  • For max productivity and the finest mulch without ground contact
  • Have two razor sharp edges to quickly slice through wood and pick up material off the ground
  • Made from high-grade alloy steel and heat treated
  • Reversible and need to be sharpened regularly to maintain high production
  • Stay off the ground and out of sand with steel teeth or the edges will dull quickly

Carbide Planer

  • Sharp cutting angle and curved body profile for higher productivity than hammer teeth with minimal ground contact
  • Requires no maintenance – no sharpening required
  • Abrasion resistant carbide tips for durability in rocky & sandy environments
  • Produce slightly larger wood chips than steel planer with similar productivity

Carbide Hammer

  • For significant ground engagement in rocky and sandy conditions, less productive than planer teeth
  • Produces largest mulch and the least amount of ground suction – pulverizes and rips material instead of cuts
  • Requires no maintenance – no sharpening required
  • Ideal option if mulcher is primarily used to mix mulch into the soil
  • Most abrasion resistant option with lowest cutting performance and productivity
  • Requires more power from the loader to operate

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