CAT CLASS: HQ-10192

4,000-8,000 lb Mini Excavator

The 4,000-8,000 lb mini excavator represents the 2-3.5 ton class, widely used for residential and light commercial excavation where reach and depth requirements extend beyond compact models. This size class bridges the gap between ultra-compact units and larger 8,000+ lb machines, offering digging depths to approximately 8 feet while remaining towable on standard equipment trailers. Operators select this band when trench depth, reach, and bucket breakout force matter more than the minimal footprint of lighter machines.

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

Key specifications

Specification	Typical range	What it means
Operating weight	4,000–7,970 lb (1,814–3,615 kg)	Defines the 2-3.5 ton class; heavier than compact excavators but still trailer-towable behind pickup trucks.
Max dig depth	7–8.5 ft (2.1–2.6 m)	Sufficient for most residential footings, utility trenches, and irrigation lines without requiring larger equipment.
Bucket breakout force	2,000–4,100 lbf	Provides the digging power needed for compacted soil and clay common in utility trenching.
Engine power	25–35 hp	Diesel engines in this range deliver the hydraulic flow and digging force for continuous excavation work.
Overall width	48–60 in (122–152 cm)	Narrow enough to pass through residential gates and side yards while maintaining stability during operation.

How to choose

This size class suits projects requiring trenching to 8 feet, moderate reach, and bucket breakout force for compacted soils, while remaining towable on standard trailers. Choose the Up to 4,000 lb Mini Excavator when working in highly confined spaces—tight side yards, interior courtyards, or jobs where the absolute smallest footprint and minimal ground disturbance are critical. Step up to the 8,000+ lb Mini Excavator when digging depths exceed 9 feet, when working in heavy clay or rocky soil demanding greater breakout force, or when the jobsite accommodates larger equipment transport and the added stability becomes necessary.

What this size handles

Residential foundation footings and perimeter drainage trenches to 8 feet
Utility line installation for water, sewer, and electrical service laterals
Irrigation main lines and valve box excavation for commercial landscaping
Pool excavation and backfill for in-ground residential installations
Septic tank and leach field trenching in suburban lots
Retaining wall footings and backfill on sloped residential sites

Safety & operation

Operator protective structures (OPS or ROPS/FOPS) required; confirm certification matches jurisdiction
Ground pressure of 3–6 psi requires evaluation of soft or saturated soils to prevent sinking or tipping
Overhead clearance and swing radius awareness critical in residential areas with power lines, fences, and structures
Trench shoring and sloping per OSHA or local standards mandatory; excavator size does not eliminate cave-in risk

Transport & logistics

Tows on standard 14,000–16,000 lb GVWR equipment trailers behind 3/4-ton or 1-ton pickup trucks
Trailer width of 6.5–7 feet accommodates the 48–60 inch machine width with adequate clearance
Loading via walk-on ramps or hydraulic tilt trailers; total trailer payload typically 8,000–10,000 lb including machine and attachments

Power & supply

Diesel fuel systems with tank capacities of 9–15 gallons, supporting 6–8 hours of continuous operation
Daily refueling on site via diesel fuel cans or small mobile fuel tanks typical for multi-day projects
Hydraulic systems operate independently; no external electrical or pneumatic connections required

Frequently asked

What digging depth separates the 4,000-8,000 lb class from smaller mini excavators?

This class typically reaches 7–8.5 feet of digging depth, compared to 5–7 feet for sub-4,000 lb models. The added depth accommodates residential footings and utility lines that smaller machines cannot reach without repositioning or ramp excavation.

Can this size class operate in standard residential side yards?

Yes, with overall widths of 48–60 inches, most models in this class pass through 4–5 foot gates and side yards common in suburban construction. Always verify the specific machine width and gate clearance, accounting for mirrors and bucket positioning.

What trailer and tow vehicle combination handles this weight class?

A 14,000–16,000 lb GVWR equipment trailer towed by a 3/4-ton or 1-ton pickup with appropriate towing capacity (typically 10,000+ lb) is standard. Verify combined weight of machine, trailer, fuel, and attachments remains within the tow vehicle's rated capacity.

Compare popular models

Find by spec →

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

Model	Operating weight	Max dig depth	Max reach	Engine power
JCB 19C-1	4,193 lb (1,902 kg)	8.5 ft (2.6 m)	12.8 ft (3.9 m)	9 hp
Kubota U27-4	5,688 lb (2,580 kg)	9.4 ft (2.9 m)	-	20 hp
Takeuchi TB20e	4,255 lb (1,930 kg)	7 ft (2.1 m)	13.3 ft (4.1 m)	-
Takeuchi TB235-2	7,419 lb (3,365 kg)	10 ft (3.0 m)	17.2 ft (5.2 m)	24 hp
Bobcat E35	7,893 lb (3,580 kg)	12.8 ft (3.9 m)	17 ft (5.2 m)	33 hp
Kubota KX030-4	6,426 lb (2,915 kg)	-	-	25 hp

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Sources

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

casece.com ↗na.develon-ce.com ↗frdusa.com ↗hitachicm.com ↗hyundai-ce.com ↗jcb.com ↗

4,000-8,000 lb Mini Excavator

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