New Model 4QZ-20C Green Forage Harvester

Building on the proven performance advantages of the original classic model, the new adopts a globally advanced design approach for its overall structure, with a dedicated service, inspection, and maintenance access space in the midsection of the machine.

Building on the proven performance advantages of the original classic model, the new adopts a globally advanced design approach for its overall structure, with a dedicated service, inspection, and maintenance access space in the midsection of the machine. The feed system has been upgraded to an integrated rotary design, enabling quick and convenient maintenance, smooth feeding, and minimal harvest losses. It features automatic blade sharpening and automatic adjustment of the fixed–moving knife clearance, ensuring consistent chopping quality. An optional hydraulically reversible fan is available for the engine, helping to prevent power surges under high-temperature conditions and enhancing reliability. The machine also incorporates world-leading roller-type grain-crushing technology, delivering crushing performance that leads the domestic market.

4QZ-20CA Self-Propelled Silage Harvester

Performance Introduction 1

The header and feed system have been upgraded to an integrated rotary assembly, enabling the header and feed rollers to rise and fall as a single unit for smoother material feeding.

  Performance Introduction No. 2

The cutting platform features a quick-attach design, with the feed rollers capable of rotating and swinging open to the side, making it even more convenient and efficient to adjust and replace the cutterbar’s moving blades.

Performance Introduction 3

The one-touch automatic adjustment function for the gap between the stationary and moving blades ensures, in a convenient and efficient manner, that this gap is consistently optimized.

Performance Introduction 4

A maintenance access space is provided in the middle of the machine body, and the grain-crushing unit is equipped with a quick-release rail for rapid replacement of the crushing elements.

Performance Introduction 5

430-horsepower China IV-compliant engine. The radiator can be equipped with a hydraulically reversible fan for one-touch reversal to prevent overheating.

Performance Introduction Six

The main clutch mechanism adopts foreign technology, utilizing hydraulic actuation for engagement and disengagement, resulting in a rational and compact design that simplifies overall machine rotation, reduces belt usage, and enhances reliability.

Performance Introduction 7

The automatic knife-grinding device offers one-touch sharpening, with both automatic and manual modes and adjustable grinding time for greater flexibility and convenience.

Performance Introduction 8

Wider and larger tires enhance ride stability and adaptability to various terrains.

Harvesting width 3270mm

Overall machine weight 9810 kg

Theoretical chopping length: long setting 21.6 mm, short setting 15 mm (continuously adjustable).

Engine horsepower 430 hp

Engine rated speed: 2100 r/min

Number of moving blades 48

Harvesting efficiency: 10–20 mu/hour

Stubble height ≤150mm

Ejection height 5350mm

Operating condition external dimensions (length × width × height): 7940 × 3470 × 5512 mm

Walking Mode Hydraulic Drive

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