Used Hitachi ZX70Excavator

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The Hitachi ZX70 (also known as ZX70-5G / ZX70USLC-5) is a 7-ton class mini/compact excavator manufactured by Hitachi Construction Machinery. It is designed for versatility in tight job sites, landscaping, utility work, and small-scale construction.

📋 General Overview

Parameter	Details
Manufacturer	Hitachi Construction Machinery Co., Ltd.
Class	7-ton Mini Excavator
Model Variants	ZX70-5G (Conventional Tail Swing) / ZX70USLC-5 (Zero Tail Swing)
Production	2015–Present (5th Generation)
Target Market	Global (North America, Europe, Asia, etc.)

🔧 Engine Specifications

Spec	Details
Engine Model	Isuzu 4JJ1-TC (Turbocharged & Intercooled)
Type	4-cylinder, inline, diesel
Displacement	3.0 L (2,999 cc)
Rated Power	49.4 kW (66.2 hp) @ 2,000 rpm
Max Torque	~245 N·m @ 1,400 rpm
Emissions	EPA Tier 4 Final / EU Stage V (via DPF + SCR system)
Fuel Tank Capacity	~120 L (31.7 gal)
Cooling System	Water-cooled with radiator

✅ The engine is known for being fuel-efficient, reliable, and low-emission. The SCR (Selective Catalytic Reduction) + DPF (Diesel Particulate Filter) system ensures compliance with strict emission standards.

📐 Dimensions & Weights

Parameter	ZX70-5G (Tail Swing)	ZX70USLC-5 (Zero Tail Swing)
Operating Weight	~6,950–7,200 kg (15,320–15,870 lbs)	~7,050–7,300 kg (15,540–16,090 lbs)
Transport Length	~5,990 mm (19.65 ft)	~5,740 mm (18.83 ft)
Transport Width	~2,190 mm (7.19 ft)	~2,190 mm (7.19 ft)
Transport Height	~2,570 mm (8.43 ft)	~2,570 mm (8.43 ft)
Ground Clearance	~380 mm (14.96 in)	~380 mm (14.96 in)
Track Width	1,800 mm (70.9 in) — adjustable	1,800 mm (70.9 in) — adjustable
Track Length on Ground	~2,400 mm (94.5 in)	~2,400 mm (94.5 in)

💪 Hydraulic System

Spec	Details
System Type	Open-center load-sensing hydraulic system
Max System Pressure	210 bar (3,045 psi)
Pump Flow	~170 L/min (44.9 gpm) — dual variable displacement pumps
Auxiliary Flow	~50 L/min (13.2 gpm)
Control	Electro-hydraulic proportional joysticks

🏗️ Working Range (Digging Performance)

Parameter	ZX70-5G	ZX70USLC-5
Max Digging Depth	4,140 mm (13.6 ft)	4,140 mm (13.6 ft)
Max Reach (Ground Level)	7,350 mm (24.1 ft)	7,350 mm (24.1 ft)
Max Dumping Height	5,120 mm (16.8 ft)	5,120 mm (16.8 ft)
Max Digging Radius	7,170 mm (23.5 ft)	7,170 mm (23.5 ft)
Max Vertical Wall Digging	~3,460 mm (11.4 ft)	~3,460 mm (11.4 ft)
Dozer Blade	1,500 mm (59 in) wide — available	1,500 mm (59 in) wide — available
Bucket Capacity	0.14–0.28 m³ (Standard)	0.14–0.28 m³ (Standard)

🔑 Key Features & Technology

1. Zero Tail Swing (ZTS) — ZX70USLC-5

The upper structure does NOT swing beyond the track width, making it ideal for confined spaces (near walls, buildings, fences).

2. Hydraulic Quick Coupler (HQC)

Standard or optional — allows tool change in seconds without leaving the cab (bucket, breaker, auger, grapple, etc.).

3. Smart (iCONS) Technology

Hitachi's Intelligent Construction Operation Network System:
- GPS tracking & fleet management
- Fuel consumption monitoring
- Maintenance alerts
- Remote diagnostics via smartphone/tablet

4. Comfortable Cab

ROPS/FOPS certified
Air-conditioned option
Heated seat
Suspension seat with armrests
Large LCD monitor with rear-view camera
Low noise level (~69 dB(A))

5. Rubber Track Option

Available for urban/paved work — reduces ground damage and noise
Steel tracks also available for heavy-duty/mud work

6. Eco Mode

Automatically reduces engine RPM when not under load, saving up to 10–15% fuel.

7. Boom/Arm Options

Option	Description
Standard Boom	2,770 mm
Long Boom	3,070 mm (+300 mm reach)
Short Arm	For tighter digging
Heavy Duty Arm	For demolition

🛠️ Available Attachments

Attachment	Application
🪣 Standard Bucket	General digging
🔨 Hydraulic Breaker (Hammer)	Concrete, rock breaking
🌀 Auger / Earth Drill	Post holes, piling
🪓 Hydraulic Thumb	Grappling, sorting
🌿 Grapple Bucket	Waste handling, log grabbing
🧹 Tilt Rotator	Versatile attachment rotation
❄️ Hydraulic Shear	Demolition, steel cutting
🪵 Ripper	Hard ground breaking

📊 Performance Comparison (vs Competitors)

Spec	Hitachi ZX70	CAT 307 E2	Komatsu PC78US-11	Kobelco SK75-8
Power	66 hp	74 hp	63 hp	67 hp
Weight	~7,000 kg	~7,470 kg	~7,800 kg	~7,500 kg
Max Depth	4.14 m	4.32 m	4.20 m	4.25 m
Emissions	Tier 4 Final	Tier 4 Final	Stage V	Tier 4 Final
USLC/ZTS	✅ Yes	✅ Yes	✅ Yes	❌
iCONS	✅ Yes	✅ Cat Connect	✅ KOMTRAX	❌

✅ Advantages

✔️ Advantage	Details
Compact size	Fits through standard gates, narrow passages
Fuel efficient	Eco mode + Isuzu engine = low operating cost
Low emissions	Meets global Tier 4/Stage V standards
Smart technology	iCONS for fleet management
Reliable	Isuzu engine + Hitachi build quality = long life
Versatile	Wide range of attachments for any job
Comfortable	One of the best cabs in its class
Resale value	Hitachi holds strong resale value globally

💰 Approximate Pricing (2024)

Model	Approximate Price (USD)
ZX70-5G (Cab, A/C, dozer)	$75,000 – $90,000
ZX70USLC-5 (ZTS, A/C, dozer)	$85,000 – $105,000
With Quick Coupler + Aux. Lines	+$3,000 – $5,000
Rubber Track Kit	+$8,000 – $12,000

(Prices vary by region, dealer, and configuration)

🎯 Ideal Applications

🏗️ Application	✅ Suitable
Residential excavation	✅✅✅
Landscaping & grading	✅✅✅
Utility trenching	✅✅✅
Demolition (small)	✅✅
Septic/sewer work	✅✅✅
Road repair	✅✅
Pipeline installation	✅✅✅
Forestry	✅✅
Piling/drilling	✅✅
Snow removal	✅✅ (with blade)

📈 Summary

Category	Rating
Power	⭐⭐⭐⭐ (66 hp — adequate for 7-ton class)
Digging Performance	⭐⭐⭐⭐ (4.14m depth, 7.35m reach)
Fuel Efficiency	⭐⭐⭐⭐⭐ (Excellent — Eco mode)
Comfort	⭐⭐⭐⭐⭐ (One of the best in class)
Technology	⭐⭐⭐⭐⭐ (iCONS smart system)
Reliability	⭐⭐⭐⭐⭐ (Isuzu engine + Hitachi quality)
Versatility	⭐⭐⭐⭐⭐ (Wide attachment range)
Value for Money	⭐⭐⭐⭐

The Hitachi ZX70 is one of the most popular and well-rounded mini excavators in the 7-ton class, offering an excellent balance of power, efficiency, comfort, and smart technology. It's a strong choice for contractors who need a reliable, versatile machine for urban and semi-urban work. 🚜