DJI Agras MG-1
About the DJI Agras MG-1
DJI Agras MG-1 is an agricultural spraying octocopter with a 10 L tank. DJI lists 8.8 kg without battery, 22.5 kg standard takeoff weight and 24.5 kg maximum takeoff weight at sea level. Its MG-12000 battery hover references are 24 minutes at 12.5 kg or 10 minutes at 22.5 kg near sea level with wind below 3 m/s. The GL658C controller, or GL690B in Japan, has a 1 km unobstructed and interference-free signal rating.
Technical Specifications
| Class | Agricultural spraying drone (octocopter) |
| Diagonal Wheelbase | 1520 mm |
| Total Weight | 8.8 kg (excl. battery) |
| Standard / Max Takeoff Weight | 22.5 kg / 24.5 kg (at sea level) |
| Spray Tank | 10 L / 10 kg standard operating payload |
| Sprinklers | 4× XR11001, max 0.43 L/min per nozzle |
| Spray Width | 4–6 m (4 nozzles, 1.5–3 m above crops) |
| Max Operating Speed | 8 m/s |
| Max Flying Speed | 22 m/s (79.2 km/h) |
| Hover Time | 24 min at 12.5 kg; 10 min at 22.5 kg with MG-12000 battery, sea level and wind <3 m/s |
| Max Service Ceiling | 2000 m |
| Operating Temperature | 0°C to 40°C |
| Battery | MG-12000 (DJI-approved pack) |
| Propellers | 21×7 in foldable |
| Data Source | DJI Agras MG-1 User Manual v1.2 (official) |
| Controller Link | GL658C (GL690B in Japan); up to 1 km unobstructed and interference-free |
| Official Public Source | https://dl.djicdn.com/downloads/mg-1/en/MG-1_User_Manual_en_v1.2.pdf (checked 2026-10-16) |
Common Failure Modes
Symptoms: Bent or cracked frame arm, loose arm sleeve, abnormal vibration, or visible crash damage.
Likely areas: frame arms, arm sleeves, landing gear, motor mounts
Agricultural airframes carry heavy loads — inspect arms and fasteners before every operation and after any hard landing.
Symptoms: Nozzle clog, uneven spray width, pump noise, flow-meter error, or tank leak.
Likely areas: nozzles/sprinklers, delivery pump, flow meter, tank seals, hoses
Flush the spraying system with clean water after each operation; never leave chemicals in the tank or lines.
Symptoms: Motor start failure, rough spin, propulsion warning, overheating, or unstable hover under load.
Likely areas: motor, ESC, arm wiring, power connectors
High-payload propulsion wears faster than consumer drones — follow the manual's inspection cycle (typically every 100 flight hours).
Symptoms: Terrain-follow instability, obstacle warnings, positioning drift, or RTK fix loss.
Likely areas: radar modules, RTK antennas, GNSS module, cabling
Clean radar and antenna surfaces of chemical residue and dust before calibrating or replacing hardware.
Repair Notes
Drain and flush the tank and lines before any service. Wear protective equipment — residue on the airframe is normal after operations.
Confirm the exact model, variant, error message and visible damage before selecting parts. Agras parts differ between generations even when they look similar.
Remove the flight battery before opening anything. High-capacity agricultural batteries store far more energy than consumer packs.
After replacing radar, RTK, propulsion or airframe parts, run the required calibration and a controlled low-altitude hover test WITHOUT payload first.
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