Red agricultural forage harvester with sharp cutting blades and large tires, designed for crop harvesting.
Red agricultural forage harvester with sharp cutting blades and large tires, designed for crop harvesting.
4QZ-28 Self-Propelled Forage Harvester
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Product details
Product Introduction

High-Efficiency Harvesting & Feeding

  • Hydraulic Precision Control: The entire vehicle features electro-magnetic hydraulic controls, ensuring a simplified structure with intuitive and effortless operation.

  • Folding Disc Header: Equipped with a 4.5m foldable disc header for high-efficiency harvesting. The design ensures smooth crop intake even in high-density fields and facilitates easy road transport without disassembly.

  • Hydrostatic Drive: The harvester utilizes a full hydraulic drive system, providing stepless speed adjustment and superior maneuverability in challenging field conditions.


Superior Silage Quality & Cracking

  • Auto-Adjusting Knives: Features an automatic adjustment system for both fixed and rotary knives, maintaining consistent chopping quality and preventing manual calibration downtime.

  • Professional Grain Cracking: Integrated with a professional-grade kernel processor (grain cracker) to ensure that every corn kernel is thoroughly crushed for maximum starch digestibility in livestock.

  • Adjustable Chop Length: The chopping length is steplessly adjustable between 15mm (Short) and 25mm (Long) to meet different silage fermentation requirements.


Reliability & Maintenance

  • Advanced Cooling System: The engine is equipped with a specialized debris-clearing and cooling system, ensuring optimal heat dissipation even in dusty, high-residue environments.

  • Smooth Power Engagement: The main engine clutch utilizes hydraulic control, ensuring smooth and seamless power engagement, which extends the lifespan of the transmission components.


Technical Specifications

ItemSpecification
Engine Power (发动机功率)480 HP (Horsepower)
Rated Speed (额定转速)2100 r/min
Harvesting Width (收获幅宽)4.5 m (Folding Header)
Efficiency (Work Efficiency)1.0 – 2.0 ha/h(15–30 mu/hour)
Chopping Knives (Number of Rotary Knives)24 blades (Switchable to 20-blade drum)
Chop Length15 – 25 mm (Steplessly Adjustable)
Spout Discharge Height5,500 mm (5.5 meters)
Stubble Height≤ 150 mm
Total Weight (Machine Weight)10.5 T
Dimensions (外形尺寸)8700 × 4600 × 5512 mm
Drive Type (行走方式)Hydrostatic Drive (Hydraulic Drive)
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