CHCNAV NX612

Advanced Auto-Steering for Precision Agriculture

The CHCNAV NX612 is a high-precision automated steering system built for modern farming operations. Offering ±2.5 cm accuracy with SkyTrix GNSS technology—even in remote areas without RTK network coverage—it enhances productivity and precision across a wide range of agricultural tasks including seeding, spraying, tilling, and harvesting.

With its integrated design, powerful torque motor, intuitive 12.1” touchscreen interface, and broad vehicle compatibility, the NX612 makes advanced guidance easy to adopt. Its compact motor design saves cab space, while the ISOBUS-ready controller and wireless connectivity ensure seamless integration and updates.

Advanced Auto-Steering

±2.5 cm GNSS Accuracy with SkyTrix & RTK
Supports Tractors, Sprayers, Transplanters & More
12.1” Touch Display
Android 11 OS
ISOBUS VT/TC
Wide Guidance Modes AB, Curve, Circular, All-path, Path Planning
IP67/IP65 Dust & Water Resistance
Key Features

Precision Guidance Without Limits

SkyTrix + Multi-GNSS Coverage

Achieve ±2.5 cm accuracy even in areas with no RTK coverage. Supports SPP, DGPS, RTK, E-PPP, H-PPP, and SkyTrix corrections.

Broad Vehicle Compatibility

Compatible with front/rear steering, articulated vehicles, tracked machines, self-propelled sprayers, and rice transplanters.

All-Terrain Guidance Patterns

Choose from AB line, A+ line, curves, circular paths, irregular lines, and more to suit various field shapes and tasks.

Integrated Design for Operator Ease

12.1” HD Touchscreen Display

1280 × 800 resolution with 750 nits brightness, optimized for daylight visibility and glove-friendly operation.

User-Friendly UI

Android 11-based with large icons, 3D views, and customizable layouts for simplified use and fast training.

Electric Steering Wheel with High Torque

Delivers 7 N·m torque and up to 180 RPM for responsive, reliable auto-steering in all field conditions.

Built for Harsh Environments

Industrial Durability

IP67-rated motor and receiver, IP65-rated tablet, operating from -40°C to +85°C.

Wireless Connectivity

LTE, WiFi 2.4/5G, Bluetooth 4.2, and multiple radio protocols (CHC, TT450, SATEL, Transparent).

ISOBUS VT/TC Support + U-TurnX Automation

Full ISOBUS compatibility and smart auto-turning features help automate and streamline field coverage.

In-The-Box
  • Display : 12.1", Android
  • Guidance control : Integrated
  • Steering control : Electric
  • Camera : 1~4 channels input
Specs Sheet
Tablet (Display Unit)
Category Specification
Screen Size 12.1 inches
Resolution 1280 × 800 pixels
Brightness 750 nits
Communications WiFi 2.4G (2.400–2.4835 GHz), WiFi 5G (5.150–5.850 GHz), Bluetooth V4.2
Cellular Bands LTE-FDD: B1–B5, B7–B8, B12–B13, B18–B20, B25–B28 LTE-TDD: B38–B41 UMTS: B1–B2, B4–B6, B8, B19 GSM: B2, B3, B5, B8
Weight 1.5 kg
Dimensions (W × H × D) 297.1 × 199.7 × 41 mm
GNSS Support GLONASS L1, L2
Operating System Android 11
Power Supply 9–36 V DC
Working Temperature -20°C to +70°C
Storage Temperature -40°C to +85°C
Dustproof & Waterproof IP67
Screen Size
12.1 inches
Resolution
1280 × 800 pixels
Brightness
750 nits
Communications
WiFi 2.4G (2.400–2.4835 GHz), WiFi 5G (5.150–5.850 GHz), Bluetooth V4.2
Cellular Bands
LTE-FDD: B1–B5, B7–B8, B12–B13, B18–B20, B25–B28 LTE-TDD: B38–B41 UMTS: B1–B2, B4–B6, B8, B19 GSM: B2, B3, B5, B8
Weight
1.5 kg
Dimensions (W × H × D)
297.1 × 199.7 × 41 mm
GNSS Support
GLONASS L1, L2
Operating System
Android 11
Power Supply
9–36 V DC
Working Temperature
-20°C to +70°C
Storage Temperature
-40°C to +85°C
Dustproof & Waterproof
IP67
Electric Steering Wheel
Category Specification
Motor Type Torque Motor
Rated Torque 7 N·m
Max RPM / Rated RPM 180 RPM / 120 RPM
Rated / Peak Current 15 A / 38 A
I/O 1 × CAN / Tractor horn
Power Supply 9–36 V DC
Motor Dimensions Ø165 × 58 mm
Steering Wheel Diameter D: 400 mm / 360 mm
Motor Weight ≤ 3.8 kg
Working Temp / Storage Temp -40°C to +85°C
Dustproof & Waterproof IP65
Motor Type
Torque Motor
Rated Torque
7 N·m
Max RPM / Rated RPM
180 RPM / 120 RPM
Rated / Peak Current
15 A / 38 A
I/O
1 × CAN / Tractor horn
Power Supply
9–36 V DC
Motor Dimensions
Ø165 × 58 mm
Steering Wheel Diameter
D: 400 mm / 360 mm
Motor Weight
≤ 3.8 kg
Working Temp / Storage Temp
-40°C to +85°C
Dustproof & Waterproof
IP65
Camera
Category Specification
Resolution 1920 × 1080 pixels
Video Output Interface AHD
White Balance / Exposure Automatic
Field of View 150°
Working Temperature -20°C to +70°C
Dustproof & Waterproof IP67
Resolution
1920 × 1080 pixels
Video Output Interface
AHD
White Balance / Exposure
Automatic
Field of View
150°
Working Temperature
-20°C to +70°C
Dustproof & Waterproof
IP67
Receiver (GNSS & Communications)
Category Specification
GNSS Bands BDS: B1I, B2I, B3I, B1C, B2a, B2b GPS: L1C/A, L2P(Y)/L2C, L5 GLONASS: L1, L2 Galileo: E1, E5a, E5b, E6 QZSS: L1, L2, L5 L-Band
GNSS Modes SPP, DGPS, RTK, E-PPP, H-PPP, SkyTrix
Accuracy (RTK) Horizontal: ±8 mm + 1 ppm RMS
Vertical: ±15 mm + 1 ppm RMS
GNSS Mode (General) Horizontal: ±2.5 cm (CEP95)
Vertical: ±5 cm (RMS)
Convergence: < 5 min
Cellular Bands LTE-FDD, LTE-TDD, UMTS, GSM (same as tablet)
Radio Protocols CHC, TT450, Transparent, SATEL, CHC-AG
Power Supply 9–36 V DC
Dimensions (W × H × D) 208 × 191 × 73 mm
Working Temperature -20°C to +70°C
Storage Temperature -40°C to +85°C
Dustproof & Waterproof IP67
GNSS Bands
BDS: B1I, B2I, B3I, B1C, B2a, B2b GPS: L1C/A, L2P(Y)/L2C, L5 GLONASS: L1, L2 Galileo: E1, E5a, E5b, E6 QZSS: L1, L2, L5 L-Band
GNSS Modes
SPP, DGPS, RTK, E-PPP, H-PPP, SkyTrix
Accuracy (RTK)
Horizontal: ±8 mm + 1 ppm RMS
Vertical: ±15 mm + 1 ppm RMS
GNSS Mode (General)
Horizontal: ±2.5 cm (CEP95)
Vertical: ±5 cm (RMS)
Convergence: < 5 min
Cellular Bands
LTE-FDD, LTE-TDD, UMTS, GSM (same as tablet)
Radio Protocols
CHC, TT450, Transparent, SATEL, CHC-AG
Power Supply
9–36 V DC
Dimensions (W × H × D)
208 × 191 × 73 mm
Working Temperature
-20°C to +70°C
Storage Temperature
-40°C to +85°C
Dustproof & Waterproof
IP67

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