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CAT CLASS: HQ-10193

8,000-13,500 lb Mini Excavator

The 8,000-13,500 lb mini excavator class—commonly called the 4-6 ton range—represents the industry's most-specified mini excavator size. These machines deliver dig depths beyond 10 feet and operating reach to 17 feet while remaining towable on standard equipment trailers. This size bridges the gap between compactsite-access machines and full-size excavators, offering production-level bucket capacity with minimal site disturbance.

717
Models
28
Brands
Mini Excavator

Cat classes

Pick a size class — capacity and reach differ across the range.

Key specifications

SpecificationTypical rangeWhat it means
Max dig depth10–13 ft (3.0–4.0 m)Sufficient for utility trenches, residential foundations, and drainage work below frost lines.
Max reach17–21 ft (5.2–6.4 m)Horizontal digging radius for working across roadways or from stable ground positions.
Bucket capacity0.3–0.8 cu ydFull-size bucket volumes for productive excavation without requiring compactor-class machines.
Operating weight8,800–13,200 lb (3,992–5,987 kg)Heavy enough for stability in production digging, light enough for legal trailer transport.
Engine power38–49 hpDiesel engines sized for continuous hydraulic demand and all-day operation.

How to choose

This size class suits utility installation, residential foundation work, and site preparation where dig depth exceeds 10 feet and bucket productivity matters. The 4,000-8,000 lb Mini Excavator is the better choice when access gates, weight-sensitive surfaces, or extremely tight working envelopes dictate a narrower footprint and lighter ground pressure. Contractors step down to the lighter class for indoor demolition, landscape work in finished yards, or transport in pickup beds. The 8,000-13,500 lb class remains the default for open-site excavation, drainage systems, and commercial utility rough-ins where legal trailer transport is required but full-size excavator reach and bucket size are not.

What this size handles

  • Utility trenching for water, sewer, and electrical service to 12 ft depth
  • Residential and light-commercial foundation excavation and backfill
  • Drainage system installation including catch basins and retention ponds
  • Site grading and pad preparation for small commercial buildings
  • Roadside ditch work and culvert installation from stable shoulders
  • Demolition of residential foundations and below-grade structures

Safety & operation

  • Operator certification per OSHA 1926 Subpart P for excavation and trenching work required in most jurisdictions
  • ROPS (roll-over protective structure) and FOPS (falling object protective structure) cabs standard on most models
  • Ground pressure of 4–6 psi requires evaluation of subsurface utilities, soil bearing capacity, and underground voids
  • Swing radius and tail overhang exceed machine width; barricades or spotters necessary in shared-access areas

Transport & logistics

  • Trailers legally on tandem-axle equipment trailers rated 14,000–16,000 lb GVWR without overweight permits
  • Towed by 3/4-ton and 1-ton pickup trucks or medium-duty contractor trucks meeting trailer and load ratings
  • Loaded via walk-on ramps or tilt-bed trailers; hydraulic thumb and bucket typically removed for width clearance

Power & supply

  • Diesel fuel capacity of 15–32 gallons supports 6–10 hours of continuous operation depending on load
  • Refueled on-site from diesel transfer tanks or service trucks; no external electrical power required

Frequently asked

What differentiates the 8,000-13,500 lb class from lighter mini excavators?
This class reaches dig depths of 10–13 feet and swings bucket capacities of 0.5–0.8 cubic yards, matching the productivity of entry-level full-size excavators while remaining trailer-towable without permits. Lighter classes trade reach and bucket size for tighter access and reduced ground pressure.
Can this size class be transported in a pickup truck bed?
No. Operating weights of 8,800–13,200 lb exceed pickup bed payload ratings. This class requires tandem-axle equipment trailers rated for 14,000+ lb gross weight, towed by appropriately rated trucks.
What track width range does this class cover?
Track widths span 350–600 mm (14–24 inches), with overall machine widths of 5–7 feet. Retractable undercarriage models reduce width for gate access, then extend for working stability.

Compare popular models

Find by spec →

Normalised to the same units. A dash means the figure was not published.

ModelOperating weightMax dig depthMax reachEngine power
Kubota KX057-5 12,200 lb (5,534 kg)12 ft (3.7 m)-48 hp
Kubota U55-5 12,247 lb (5,555 kg)11 ft (3.4 m)-48 hp
Takeuchi TB240 8,576 lb (3,890 kg)11 ft (3.4 m)18.2 ft (5.5 m)36 hp
Takeuchi TB260 12,125 lb (5,500 kg)12 ft (3.7 m)20.6 ft (6.3 m)48 hp
Wacker Neuson EZ50 10,179 lb (4,617 kg)12 ft (3.7 m)-44 hp
Bobcat E50z 11,023 lb (5,000 kg)--42 hp

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Sources

Every specification is verified against the manufacturer's published data, with the source linked for reference.

8,000-13,500 lb Mini Excavator

146 models · Page 4 of 4 · Every spec cited to source