Quarry Excavator Heavy duty ultra bucket

Enstruc delivers a range of ultra duty quarry excavator buckets (HDU) designed specifically for excavators in the 52 to 125+ tonne class. Engineered for the toughest quarry conditions, these buckets provide unmatched durability, wear resistance, and strength to handle the most abrasive rock, fragmented stone, and heavy-duty material handling applications.

Constructed from advanced abrasion-resistant steel and reinforced with heavy-duty structural components, our ultra duty buckets feature an aggressive lip and wing system, robust heel shrouds, and thick internal and external wear packages to maximise bucket life and maintain peak performance. Designed with a deep profile and reinforced sidewalls, these buckets excel in extreme quarry environments.

Available in various sizes and configurations, Enstruc ultra duty buckets fit all major OEM quarry excavators.

Key Features

  • Built for quarry excavators up to 125t working in extreme rock & abrasive conditions
  • Fabricated from premium abrasion-resistant steel with enhanced reinforcements
  • Aggressive lip and deep profile for exceptional penetration and material retention
  • Reinforced beam and sidewalls for increased durability & structural flex resistance
  • Optimised bucket design for improved fill capacity and reduced cycle times
  • Hammerless GET system provides easy maintenance and minimises downtime
  • Internal and external wear liners protect high-wear areas to extend operational life
  • Direct mounting system to ensure safety and reliability under heavy loads

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Specifications and sizes

View DataHide Data
CategoryPart NumberMachine ClassWidthCapacityWeightTeeth
Category500Part NumberHDU5464E54Machine Class120,000 - 140,000 lbs54 - 64 tonneWidth54 ''1372 mmCapacity3.50 yd32.68 m3Weight9845 lbs4465 kgTeeth4
Category500Part NumberHDU5464E60Machine Class120,000 - 140,000 lbs54 - 64 tonneWidth60 ''1524 mmCapacity4.00 yd33.06 m3Weight10460 lbs4744 kgTeeth4
Category500Part NumberHDU5464E72Machine Class120,000 - 140,000 lbs54 - 64 tonneWidth72 ''1829 mmCapacity4.75 yd33.63 m3Weight11690 lbs5301 kgTeeth5
Category600Part NumberHDU6472E60Machine Class140,000 - 160,000 lbs64 - 72 tonneWidth60 ''1524 mmCapacity4.30 yd33.29 m3Weight11160 lbs5061 kgTeeth4
Category600Part NumberHDU6472E66Machine Class140,000 - 160,000 lbs64 - 72 tonneWidth66 ''1676 mmCapacity4.75 yd33.63 m3Weight11775 lbs5340 kgTeeth4
Category600Part NumberHDU6472E72Machine Class140,000 - 160,000 lbs64 - 72 tonneWidth72 ''1829 mmCapacity5.25 yd34.01 m3Weight12390 lbs5619 kgTeeth5
Category600Part NumberHDU6472E84Machine Class140,000 - 160,000 lbs64 - 72 tonneWidth84 ''2134 mmCapacity6.50 yd34.97 m3Weight13615 lbs6174 kgTeeth5
Category600Part NumberHDU6472E96Machine Class140,000 - 160,000 lbs64 - 72 tonneWidth96 ''2438 mmCapacity8.00 yd36.12 m3Weight14250 lbs6462 kgTeeth5
Category900Part NumberHDU90136E60Machine Class200,000 - 300,000 lbs90 - 136 tonneWidth60 ''1524 mmCapacity6.89 yd35.27 m3WeightTeeth4
Category900Part NumberHDU90136E72Machine Class200,000 - 300,000 lbs90 - 136 tonneWidth72 ''1829 mmCapacity7.50 yd35.73 m3WeightTeeth5
Category900Part NumberHDU90136E84Machine Class200,000 - 300,000 lbs90 - 136 tonneWidth84 ''2134 mmCapacity9.65 yd37.38 m3WeightTeeth5
Category900Part NumberHDU90136E96Machine Class200,000 - 300,000 lbs90 - 136 tonneWidth96 ''2438 mmCapacity10.95 yd38.37 m3WeightTeeth6

Ultra Duty Quarry Excavator Buckets – FAQ

Which excavators are compatible with Enstruc ultra duty quarry buckets?

Our buckets fit quarry excavators in the 52 to 125 tonne operating weight class. Supported OEM models include:

  • Caterpillar: 374, 390, 395

  • Komatsu: PC600, PC700, PC1250

  • Hitachi: ZX670, ZX690, ZX890

  • Volvo: EC750, EC950

  • Liebherr: R 956, R 966, R 970

  • Hyundai: HX800, HX900

  • Develon / Doosan: DX800LC, DX1000LC


What ground conditions are these buckets suited for?

Designed for the most demanding quarry applications, including:

  • Highly abrasive and fractured rock

  • Hard and compacted mineral deposits

  • Continuous heavy material loading

  • Impact and abrasion-intensive environments


Can I customise an ultra duty bucket for my quarry?

Yes. We provide comprehensive customisation options:

  • Bucket size, width, and capacity adjustments

  • Enhanced wear materials and thicknesses

  • Lip shrouds, wing shrouds, heel shrouds, and tooth systems

  • Fixed pin or bolt-on mounting brackets

  • Custom paint, fleet branding, and site-specific features


What quality assurance procedures are in place?

Our bucket manufacturing follows strict QA/QC protocols:

  • Certified steel sourcing and traceability

  • Welding inspections and dimensional checks

  • Non-destructive testing (NDT)

  • Comprehensive final inspections with documentation


Do you offer international delivery?

Yes. Enstruc exports excavator buckets worldwide with secure packaging and logistics support. We ship regularly across Australia, Asia, Europe, North and South America, Africa, and the Middle East.


Who are the typical users of these buckets?

We serve quarry operators, OEMs, equipment owners, contractors, and procurement teams globally. Full technical support and aftersales care are provided.


Do you offer volume production or contract manufacturing?

Yes. Enstruc supports large-scale production, private label programs, and Contract Manufacturing.


Other excavator bucket options

Explore more from our product range:

Mining Excavator Buckets

Quarry Excavator Buckets

Construction Excavator Buckets

Compact Excavator Buckets