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The 3WPZ-1400E is powered by a water-cooled diesel engine that balances power and fuel efficiency, ideal for extended farming sessions. It utilizes a four-wheel drive and steering system to enhance maneuverability, particularly in small plots and during frequent transfers. The spray boom is constructed from aluminum, offering hydraulic lifting and folding capabilities for versatility and ease of storage. The split medicine tank employs a unique low-profile design to optimize stability, while the high-flow diaphragm pump delivers consistent pressure for effective spraying. The machine is equipped with pneumatic rubber tires designed for flat and dry terrain, and a user-friendly gearbox with multiple speed options for precise control. The adjustable cab provides a comfortable working environment, with clear instrumentation and easy-to-reach controls.
| Project name | Specification parameters | Item name | Specification parameters | ||
| Overall size | Overall dimensions (mm) | 6260*2500*3170 | Powertrain | Engine power (kw/r/min) | 76/2200 |
| Ground clearance (mm) | 920 | Battery capacity | 2*24v 2*45Ah | ||
| Spray length (mm) | 20000 | Engine type: | 100HP- Yunnei cylinder water cooled engine | ||
| Spray rod lift (mm) | 450-1600 | Walking system | Weight of the whole machine (Kg) | 3000 | |
| Wheel base (mm) | 1850/adjustable | Drive | Four-wheel drive | ||
| Wheelbase (mm) | 2500 | Steering | Four-wheel steering | ||
| Cab | Adjustable | Gearbox | Forward gear 3, backward gear 2 with high and low speed transmission | ||
| Spray system | Spray rod position | Front | Brakes | Drum Brake | |
| Spray rod material | Aluminium | Tires | Pneumatic rubber | ||
| Number of spray bodies | 51 | Tire diameter (mm) | 1600 | ||
| Spray rod type | Hydraulic lift | Tire width (mm) | 140 | ||
| Medicine cabinet Volume (L) | 1400 | Turning radius (mm) | 4300 | ||
| Working pressure (Mpa) | 0-2.5 | Drive mode | Four-wheel drive | ||
| Drug pump flow (L/min) | 160 | Walking speed (km/h) | <28km/h | ||
| Medicated liquid stirring | Jet Flow+Back Flow | Work benefit | Application efficiency | 6-10hec/day | |
| Medicine pump construction | Diaphragm pump | Topdressing efficiency | 6-10hec/day | ||
| Medicine pump drive | Hydraulic motor | Fuel consumption (L/h) | 20 | ||
The 3WPZ-1400E is a dynamic self-propelled sprayer tailored for modern farmers seeking flexibility and performance. As a compact yet powerful agricultural sprayer, it excels in flat land operations, small plots, and scenarios requiring frequent site transfers. This boom sprayer combines reliable crop protection capabilities with dual-functionality, allowing both pesticide application and fertilizer spreading. Designed with user convenience in mind, it features intuitive controls, a stable design, and durable components that withstand daily agricultural use. Whether caring for grain crops, vegetables, or shrubs, the 3WPZ-1400E stands as a cost-effective crop protection sprayer for small to medium-scale farming operations.
Optimized for flat land sprayer applications, the 3WPZ-1400E delivers smooth operation on level terrain and dry fields. Its four-wheel drive system provides ample traction without compromising maneuverability, making it ideal for frequent transfers between plots. The machine’s compact design reduces turning radius, allowing easy navigation in tight spaces typical of small-scale farms.
The hydraulic boom, crafted from lightweight aluminum, offers precise control and consistent coverage. Its medium width is perfectly suited for small to medium plots, ensuring efficient spraying without overspray. The boom’s hydraulic lifting and folding functions simplify storage and transportation, while the automatic balancing device maintains stability even at varying speeds. This hydraulic boom sprayer ensures uniform atomization, critical for targeted pest and weed control.
The split 1400-liter medicine tank features a sunken structure that lowers the machine’s center of gravity, enhancing stability during movement. This design minimizes the risk of tipping on uneven surfaces and ensures smooth operation when navigating between rows. The tank’s durable construction resists corrosion from pesticides and fertilizers, extending the lifespan of the self-propelled boom sprayer.
This multi-purpose agricultural sprayer integrates seamlessly with a rear-mounted centrifugal fertilizer spreader, offering both pesticide spraying and fertilizer application in one machine. The matching width of spray and spread ensures consistent coverage, reducing crop stress and improving nutrient absorption. This dual functionality eliminates the need for multiple pieces of equipment, streamlining farming operations.
The 3WPZ-1400E features an adjustable cab with intuitive controls, making it easy for operators of all experience levels to use. The machine’s components are designed for accessibility, simplifying routine maintenance tasks such as filter cleaning and fluid checks. Durable pneumatic tires and a reliable drum brake system ensure safe operation and long-term performance.

Perfect for wheat and rice grown in small to medium plots, the 3WPZ-1400E provides targeted disease, pest, and weed control. Its compact size and agile maneuverability allow it to navigate narrow rows without damaging crops, while the uniform spray coverage ensures every plant receives protection. The machine’s efficient operation makes it ideal for farmers managing multiple small plots.
This economic crop sprayer is well-suited for vegetables, shrubs, and other high-value crops. It handles early-stage pesticide application for tall crops with precision, avoiding damage to delicate foliage. The gentle atomization ensures pesticides adhere effectively to plant surfaces, maximizing control efficiency while minimizing waste.
For farmers who need to move equipment between multiple fields, the 3WPZ-1400E’s easy transfer design is a key advantage. Its compact dimensions and lightweight construction simplify transportation, while the durable components withstand the rigors of frequent movement. This makes it a top choice for multi-location farming operations.
With the optional centrifugal spreader, the machine functions as a reliable fertilizer spreader, distributing granular nutrients evenly across fields. The spread width matches the spray boom, ensuring consistent coverage and reducing the need for overlapping passes. This efficient application supports healthy crop growth and improves overall yield.

Water absorption issues often result from clogged filters, loose connections, or damaged seals. Inspect the water absorption filter screen for debris and clean it thoroughly. Check all water pipe connections to ensure they are tight, and replace any worn or damaged sealing rings. These steps restore proper water flow and ensure the self-propelled sprayer operates effectively.
Abnormal lifting may be due to low hydraulic oil levels, loose connections, or misaligned spray rod brackets. Check the hydraulic oil level and add fluid if it falls below the recommended threshold. Tighten all connecting nuts and adjust the spray rod brackets to ensure proper alignment. Regular maintenance of hydraulic components prevents lifting issues and extends the life of the boom sprayer.
Unstable movement can be caused by worn tires or insufficient hydraulic oil. Examine the tires for signs of wear, such as uneven tread or damage, and replace them if necessary. Additionally, check the hydraulic oil tank and replenish the oil to the correct level, as low oil affects steering responsiveness. Proper tire maintenance and fluid checks ensure the agricultural sprayer moves smoothly and safely.
