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Features & Specs

    • Powerful, Reliable 365 HP Cummins STAGE V Turbo Diesel

    • NEXUS Touch Command & Control - Real-time, Cloud- based Connectivity: Monitor, Control, Troubleshoot, Diagnose, Communicate and Learn

    • Low-profile Fully Enclosed Forward-tilt Cab

    • Presurized Cab w/Comfortable Suspension Seat

    • Best in Class, Patented "SABRE TOOTH" Cutting Technology - Pulverizes Wood into Sawdust-like Mulch

    • Patented Spiral Tooth Pattern, Creating Vacuum-like Effect

    • Dual Control Ribs to Control Cutting Bite, with Knockout Relief and Spliter Point to Expel and Refine Mulch

    • Hydraulic Cutter-head Push Bar Extends to Assist Felling Trees

    • Six Exterior Lights & 15,000 lb. Winch

    • Super Low Ground Pressure Captive Track, or Aggressice & Rugged Steel Track Options (as shown)


With the GT-35 Heavy Duty Mulcher, you will cut more wood in less time than with any competitor in its class. With both Captive Track and Rugged Steel Track options, PRODUCTIVITY, PERFORMANCE & PROFITABILITY will become the hallmarks of your business. Call for a demonstration today, and experience Gyro-Trac’s Performance Promise with the GT-35 Heavy Duty Mulcher.

Gyro-Trac is the first Mulching Machine Manufacturer to offer Stage V Emission Compliant Engines. Cummins’ Single Module After-treatment technology makes engines 50% smaller and 30% lighter than equivalent Stage IV engines. Stage V’s high efficiency NOx conversion has allowed the complete removal of EGR from the engines. The simpler EGR-free engine platform is more compact, has less weight, fewer parts and is far easier to cool. You get improved reliability with less down time. Simple as that!



  • Overall Length: 234 in (594 cm)
  • Overall Width: 102¼ in ( 260 cm)
  • Overall Height: 119 in (302 cm)
  • Operating Weight: 29,500 lbs (13,380Kg)
  • Ground Pressure: 3.9 psi (.27 bar)
  • Ground Clearance: 14½ in (37 cm)
  • Maximum Speed: 3.5 mph (5.63 kmh)


  • 4 Tandem, Duel Wheel Carriage Trucks w/Solid Rubber Wheel Combinations
  • Total number of Wheels: 16 (8 for each side)
  • Belts: 3 Belts, Each Side, 6-Ply Rubber
  • Cross Links: 28 in. (71 cm) Heat Treated, 78 per track, 156 Total
  • Belt Tensioners: Greased Filled, 4000 psi (27579 kPa)
  • Standard Steel Track Assembly, Custom Fit for the GT-35
  • Est. Max Fuel Consumption: 15 gal/hr
  • Number of Teeth: 30 Fixed
  • Cutting Width: 92 in. (229 cm)
  • Width: 102 in. (259 cm)
  • Depth: 34 in. (86 cm)
  • Height: 63 in. (160 cm)
  • Weight: 5,180 lbs. (2,355 Kg)
  • Hydraulic Flow: Up to 120 gpm (454 lpm)
  • Operating Pressure: Up to 6000 psi (413 bar)
  • Steel Construction
  • ISO 8082 & CSA B352.0 (Roll Over Protection System): ROPS
  • ISO 8083 & G608 (Fall Object Protection system): FOPS
  • ISO 8084 (Operator Protection System): OPS
  • Forward Tilt Cab Jack: Raised Cab Electric-Motor Pump
  • Windows: Lexan MR-10
  • Seat: Adjustable Suspension w/Armrest & Seat Belt
  • HVAC: 3-Speed


  • Cummins Diesel
  • Model: B4.5 Stage V
  • Horsepower: 200 hp
  • Torque: 576 ft-lbs
  • Capacity: 67 US gal. (254 liters)
  • Est. Max Fuel Consumption: 6-7 gal/hr


  • Number of Teeth: 22 Fixed
  • Cutting Width: 80.75 in. (205 cm)
  • Depth: 79.5 in. (202 cm)
  • Height: 61.75 in. (157 cm)


  • Steel Construction Cab
  • Forward Tilt Cab Jack: Raised Cab Electric Motor Pump
  • Windows: 0.5 in. Lexan MR-10
  • HVAC: 3-Speed
  • Pressurized Cab: Rear View Camera
  • Seat: Adjustable Suspension w/Armrest & Seat Belt


Gyro-Trac’s SABRE-TOOTH TITAN cutting technology – PULVERIZES Wood into Sawdust-like Mulch.

The new SABRE-TOOTH design is the NEXT GENERATION of “disruptive technology,” improving on Gyro-Trac’s Planar tooth.

  • It begins with a WIDER TOOTH, held in place with a WEDGED FRICTION BLOCK, taking all the force off of the single bolt. THAT’S RIGHT! Only one bolt to quickly and easily replace worn teeth.
  • The CONTROLLED BITE is now achieved with TWO instead of one control rib under the tooth.
  • The distance between control ribs is wider.
  • The KNOCK-OUT RELIEF that reduces resistance by allowing the wood chip to curl into the relief, now has a SPLIT BLOCK strategically placed to SPLIT THE CHIP and further REDUCE the size of the wood chip.
  • This new design creates a SELF-CLEANING effect, clearing the tooth for the next bite.



I've used a variety of different cutter-heads and nothing comes close to the GYRO-TRAC!

Brad Duncan

Being in business over 30 years, I know a thing or two about Mulching. GYRO-TRAC's NEXUS system is th best in the business!

Walter Oliver

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