Used Hitachi ZX70 Excavator

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🏢 Overview

Item	Detail
Manufacturer	Hitachi Construction Machinery Co., Ltd.
Model	ZX70 / Zaxis 70
Class	7-ton Mini Excavator
Production	Ongoing (current generation)
Primary Market	Urban construction, landscaping, utility work, rental fleet

The Hitachi ZX70 is one of the most popular compact excavators in the 7-tonne class, designed for versatility, fuel efficiency, and tight-space operation. It bridges the gap between smaller 5-ton machines and larger 8-ton units.

& Engine Specifications

Specification	Detail
Engine Model	Isuzu AA-4HK1XQA
Type	4-cylinder, turbocharged, intercooled diesel
Displacement	2,999 cc (3.0 L)
Rated Power	43.3 kW (58 hp) @ 2,000 rpm
Emissions	Tier 4 Final / Stage V (depending on region)
Fuel Tank	~120 L
Cooling System	Water-cooled with fan

✅ Meets EPA Tier 4 Final / EU Stage V emission standards using SCR (Selective Catalytic Reduction) + DPF (Diesel Particulate Filter) — no DEG required.

📐 Dimensions & Weight

Specification	Detail
Operating Weight	6,850 – 7,050 kg (15,100 – 15,540 lbs)
Transport Length	~6,080 mm (20 ft)
Transport Width	2,200 mm (7.2 ft)
Transport Height	2,630 mm (8.6 ft)
Track Width	Adjustable: 1,200 / 1,400 / 1,600 mm
Ground Clearance	380 mm (15 in)
Tail Swing Radius	1,190 mm (Zero Tail Swing version)

🔑 Zero Tail Swing (ZTS) version available — ideal for working near walls, fences, and buildings.

🏗️ Performance (Digging & Lifting)

Specification	Detail
Max Digging Depth	~4,010 mm (13.2 ft)
Max Digging Reach	~6,660 mm (21.9 ft)
Max Dumping Height	~4,600 mm (15.1 ft)
Max Digging Force (Boom)	~44.0 kN (9,890 lbf)
Max Digging Force (Arm)	~33.0 kN (7,420 lbf)
Blade Capacity	Dozer blade available (width: 1,830 mm)

🛢️ Hydraulic System

Specification	Detail
Pump Type	Variable displacement axial piston pump (×2)
Total Flow Rate	~110 L/min (29 GPM)
Working Pressure	35 MPa (5,076 psi)
Auxiliary Flow	3rd circuit available (for attachments like breakers, augers)
Hydraulic Tank	~70 L

🎮 Key Features & Technology

Feature	Description
🤖 ECO Mode	Automatically reduces engine RPM during light loads — saves up to 10–15% fuel
📡 Hitachi Co-Pilot (Kou-pilot)	Auto-return function for boom/arm/bucket — improves operator efficiency
📱 Bluetooth Connectivity	Telematics-ready, compatible with Hitachi Site Flow / Lampset for fleet management
🖥️ LCD Monitor	7-inch full-color display showing engine info, hydraulic data, maintenance alerts
❄️ Climate Control	A/C + heater standard in cab
💺 Comfortable Cab	Suspension seat, joystick controls, low noise (~68 dB(A))
🔧 Easy Maintenance	Ground-level service points, long service intervals (500 hr / 1,000 hr)
🛡️ Undercarriage Options	Rubber tracks, steel tracks, blade, hammer piping, quick coupler

🔩 Attachment Options

Attachment	Application
🪣 Bucket	0.04 – 0.28 m³ (various sizes)
🔨 Hydraulic Breaker	Rock breaking, demolition
🔩 Auger / Drill	Post holes, piling
🪓 Thumb / Grapple	Material handling, sorting
🧹 Sweeper	Road/site cleaning
🪚 Ripper	Hard ground breaking
🔀 Quick Coupler	Fast attachment change (hydraulic)

📊 Comparison with Competitors

Model	Weight	Power	Dig Depth	Tail Swing
Hitachi ZX70	~7,000 kg	58 hp	4.01 m	ZTS option ✅
CAT 307	~7,200 kg	54 hp	4.15 m	Conventional
Komatsu PC75	~7,500 kg	55 hp	4.18 m	Conventional
Kobelco SK75	~7,500 kg	52 hp	4.10 m	Conventional
Volvo ECR75	~7,200 kg	57 hp	4.10 m	Conventional
Doosan DX75	~7,400 kg	56 hp	4.15 m	Conventional

💡 The ZX70 stands out for its compact ZTS design, fuel efficiency (ECO mode), and Hitachi Co-Pilot technology.

💰 Approximate Pricing (2024, varies by region)

Configuration	Price Range (USD)
Base Model (Cab, A/C, Rubber Tracks)	$65,000 – $75,000
ZTS + Steel Tracks + Aux Hydraulics	$80,000 – $90,000
With Hammer Piping + Quick Coupler	$85,000 – $95,000

💵 Rental rate: ~$250 – $400/day (varies by market)

✅ Summary — Why Choose the Hitachi ZX70?

Strength	Detail
🏆 Compact & Maneuverable	Zero Tail Swing option — works in tight urban spaces
&Fuel Efficient**	ECO mode + Isuzu engine = low operating cost
🤖 Smart Technology	Co-Pilot auto-return, Bluetooth telematics
🛠️ Low Maintenance	Long service intervals, easy access
🏗️ Versatile	Wide range of attachments for any job
🔇 Quiet Operation	~68 dB — suitable for residential areas

The Hitachi ZX70 is an excellent choice for contractors, rental companies, and municipal work where space is tight, efficiency matters, and reliability is critical. 🚜💪

Would you like more detail on any specific aspect (e.g., hydraulic circuits, maintenance schedule, or attachment setup)?