CHCNAV EasyNav

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EMG100 3D Excavator System

New Zealand's most affordable GPS excavator system - 3D functionality at the price of a 2D system.

CHCNAV EasyNav bridges the gap between traditional 2D and full 3D machine control, delivering the benefits of GPS guidance without the complexity or cost.

Unlike 2D systems that rely on rotating lasers and require you to reset each time you shift the machine, the EasyNav EGM100 uses high-precision GPS to create a continuous digital site model that stays with the machine. Simply pick up where you left off, day after day with a fast installation, intuitive touchscreen interface and minimal training.

Easily create and edit designs directly from the cab while recording points, coordinates and site features as you work. EasyNav's in-field design capabilities eliminate the need for lasers, survey stakes and office-prepared design files on everyday excavation jobs.

It's the smarter, more affordable alternative to traditional 2D machine control, making GPS machine control accessible to a whole new generation of contractors.

EMG100 3D Excavator System

New Zealand's most affordable GPS excavator system - 3D functionality at the price of a 2D system.

CHCNAV EasyNav bridges the gap between traditional 2D and full 3D machine control, delivering the benefits of GPS guidance without the complexity or cost.

Unlike 2D systems that rely on rotating lasers and require you to reset each time you shift the machine, the EasyNav EGM100 uses high-precision GPS to create a continuous digital site model that stays with the machine. Simply pick up where you left off, day after day with a fast installation, intuitive touchscreen interface and minimal training.

Easily create and edit designs directly from the cab while recording points, coordinates and site features as you work. EasyNav's in-field design capabilities eliminate the need for lasers, survey stakes and office-prepared design files on everyday excavation jobs.

It's the smarter, more affordable alternative to traditional 2D machine control, making GPS machine control accessible to a whole new generation of contractors.

CHCNAV EasyNav delivers industry leading real-world features.

  • Use your bucket to create designs directly in the field for perfect flat pads, precision trenches & foundations and uniform slopes.

  • On-site surface design: Create and modify surface designs directly in the field, without the need for surveyors or additional support staff.

  • Simple operation: Designed for operators of all experience levels, it is simple and intuitive to use. Learn to operate the system efficiently in just 30 minutes.

  • Rapid installation and calibration: Installation in around 2 hours and calibration in 15 minutes - minimal downtime, faster deployment across your fleet.

  • High precision, No Lag: Centimetre accuracy with real-time cut/fill volume data, for precise excavations with fewer errors and less rework.

  • Local Training & Support: Comprehensive on-site and remote support from our local NZ team to ensure you get the most out of your gear.

  • Broad Machine Compatibility: Fully compatible with a diverse range of excavators, including swing boom,  and offset boom models with or without tilt buckets or tilt hitches.

  • Seamless Connectivity: Seamless connection to GNSS RTK networks and GNSS  base stations, ensuring a consistent workflow and minimizing downtime.

  • Wide Applicability: Supports tasks like flat pad levelling, digging ditches, creating slopes, and more, managing complex job requirements with ease.


More value from EasyNav 3D versus traditional 2D systems.

EasyNav delivers 3D functionality at the same price point as traditional 2D systems, but with many more practical features!

The ability to create a continuous site model that stays with the machine and doesn’t need to be re-established the next day is a game-changer. Plus you can easily record and return to points at anytime saving time and quickly creating as-builts to document the work completed.

See the quick features comparison below of EasyNav 3D versus traditional 2D systems:

CHCNAV EasyNav - EMG100 Traditional 2D Systems
Works in real-world GPS coordinates References a laser or local benchmark
Site remains in the same coordinate system day after day Needs re-establishing after moving machine
Continuous in-field digital site model No permanent site model
Record and return to points anytime, export as-builts No point storage
Full in-field coordinated design creation No design creation
3D capability at 2D price 2D capability only
Quick to learn, easy to use Complicated setup, difficult to use

The easiest system to learn and install.

Simple to install and very easy to learn how to use, the EasyNAV system is designed to get Operators reaping the efficiency benefits of machine guidance as quickly as possible. Built to industrial standards and designed to survive harsh construction and excavation environments. The hardware components are suitable for heavy-duty earthmoving environments.

The IMU tilt sensors feature an IP69K rating, this is the highest level of ingress protection, meaning they are fully dust-tight and can withstand close-range, high-pressure, high-temperature washdowns.


Built to be easy for Operators and boost earthworks efficiency.

Choose a system from global leader CHCNAV that genuinely is affordable for NZ Contractors and delivers the right results. We’ll have you set up to dig it right the first time, every time.

Easy to use

Intuitive and user-friendly software

Easy to set up

Fast installation and calibration process

Easy to profit

Minimise rework and to get the most out of our investment