Koala 400

Excavator tree shears

The Koala 400 Tree Shear is the original and most robust model in the Koala range, designed for large excavators tackling the toughest forestry and land-clearing challenges. Built with unmatched strength and cutting power, it is the ultimate attachment for demanding environments.
  • High-Strength Build: Engineered with a heavy-duty Hardox® chassis and reinforced design for exceptional durability in extreme conditions.
  • Replaceable Blade: Features MDE's innovative replaceable wing-style blade, ensuring easy maintenance and prolonged operational life.
  • Hydraulic Efficiency: Integrates seamlessly with excavator hammer lines, delivering precise and high-powered cutting for the most challenging tasks.
  • Safe Operation: Allows for controlled cutting and safe placement of trees, improving efficiency and operator safety on complex jobs.
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Koala 400 in action

See the power of the Koala 400 Tree Shear in action as it handles the most demanding forestry and land-clearing tasks with ease. Designed for large excavators, this heavy-duty attachment delivers precision, efficiency, and reliability in every cut.
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Koala 400 Applications

  • Handling large trees, dense vegetation, and overgrown forestry.
  • Heavy-duty forestry operations, including tree felling and harvesting.
  • Utility sector maintenance for roadside, powerline, and canal clearance.
  • Preparing large areas of agricultural land for planting or development.
  • Managing landscapes for industrial, commercial, or public projects.
  • Clearing infrastructure areas such as railways, highways, and construction sites.

Koala 400 Specification

Metric Imperial
ModelKoala 150Koala 200Koala 300Koala 400Koala 550
Excavator Weight1.5t - 5t2.7t - 10t6t - 21t12t - 36t16t - 40t
Attachment Weight104kg202kg390kg758kg1600kg
Cutting Capacity150mm200mm300mm400mm550mm
Oil Pressure180 bar - 200 bar200 bar - 250 bar250 bar - 300 bar250 bar - 350 bar250 bar - 350 bar
Hydraulic Flow40L - 70L40L - 70L70L - 100L80L - 120L80L - 120L
Dimensions (LxWxH)630 x 560 x 400 (mm)800 x 660 x 520 (mm)1010 x 950 x 590 (mm)1400 x 1220 x 740 (mm)1615 x 1360 x 950 (mm)
Mounting PlatformExcavators, Telehandlers, Skid Steers, CranesExcavators, Telehandlers, Skid Steers, CranesExcavators, Telehandlers, Skid Steers, CranesExcavators, Telehandlers, Skid Steers, CranesExcavators, Telehandlers, Skid Steers, Cranes
Tilt Unit AvailableYesYesYesYesYes
Tilt Unit Weight105kg105kg320kg455kg455kg
Smart Grip AvailableNoYesYesYesYes
Smart Grip WeightN/A40kg70kg200kg455kg
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ModelKoala 150Koala 200Koala 300Koala 400Koala 550
Excavator Weight3,306lbs - 11,023lbs5,952lbs - 22,046lbs13,227lbs - 46,297lbs26,455lbs - 79,336lbs35,274lbs - 88,184lbs
Attachment Weight229lbs445lbs860lbs1,671lbs3,527lbs
Cutting Capacity6 inch8 inch12 inch16 inch21½ inch
Oil Pressure180 bar - 200 bar200 bar - 250 bar250 bar - 300 bar250 bar - 350 bar250 bar - 350 bar
Hydraulic Flow8.79gal - 15.39gal8.79gal - 15.39gal15.39gal - 21.99gal17.59gal - 26.39gal17.59gal - 26.39gal
Dimensions (LxWxH)24¾ x 22 x 15¾ (inch)31½ x 26 x 20½ (inch)39¾ x 37⅜ x 23¼ (inch)55⅛ x 48 x 29⅛ (inch)63⅝ x 53½ x 37⅜ (inch)
Mounting PlatformExcavators, Telehandlers, Skid Steers, CranesExcavators, Telehandlers, Skid Steers, CranesExcavators, Telehandlers, Skid Steers, CranesExcavators, Telehandlers, Skid Steers, CranesExcavators, Telehandlers, Skid Steers, Cranes
Tilt Unit AvailableYesYesYesYesYes
Tilt Unit Weight231lbs231lbs705lbs1,003lbs1,003lbs
Smart Grip AvailableNoYesYesYesYes
Smart Grip WeightN/A88lbs154lbs441lbs1,003lbs
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*All technical details are approximate and subject to change as part of continuous product development

Optional Extras For Koala Tree Shears

01

55° Tilt Unit

The Tilt Rotator for the Koala Tree Shear rotates 55° left and right. This optional extra will allow the operator to:

  • Cut overhanging branches easier
  • Manoeuvre the tree shear in uneven terrain
  • Cut the tree as low as possible
  • Stack trees in piles neatly
View It in action

01

02

Smart Grip Collector

  • The Koala Smart Grip allows you to cut & collect thin trees without having to drop after each cut.
  • This optional extra will bunch multiple thin trees inside the tree shear, creating a uniform stack to unload.
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02

Why Buy a Koala Tree Shear?

  1. Bolt on replaceable blade — change it out fast if bent or worn, keep downtime to a minimum.
  2. Built Tough, Backed by Hardox® — MDE is Hardox® In My Body certified, ensuring unmatched strength, durability, and performance in every product.
  3. Excavator rated, triple sealed hydraulic cylinders — superior protection from contamination, reduced maintenance, and reliable power in the harshest conditions.
  4. Bolt On Replaceable Hitch — Easily swap hitches to match various machines.
  5. Serviceable design — all key components are replaceable, including bushings, sleeves, pins, and blade, all with easy-access greasing.
  6. Proven durability — MDE has over a decade of production and real-world experience.
  7. Manufactured in Northern Ireland, by MDE Machinery.

Download Our Free Koala 400 Product Brochure

Get all the details you need in one place!

Download the Koala Tree Shear brochure for a full breakdown of features, specifications, and optional extras.

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