4YJ-4A2(G4) self-propelled corn harvester

■Combined cutting table, patented technology, can achieve corn ear and stalk harvest at the same time. The upper cutting table is a new four-row 650mm row spacing picking table, which adopts knife type pulling stem and plate type picking, with fast pulling stem speed and good picking effect. The lower cutting platform is a ground hob type stalk harvesting platform, which has good stalk cutting effect, no soil sticking in stalk harvest and high effective harvest rate of whole stalk.
■The arrangement of six feeding rollers in three groups has obvious combing effect, compaction and smooth and efficient conveying.
■The 24 cutting knives are arranged in a double row of herbone shape, with small cutting Angle, good breaking effect and strong throwing power. The fixed tool can be replaced and the position can be adjusted to meet the need of adjusting the clearance of the moving fixed tool in the harvest operation;
■Automatic knife sharpening mechanism, one-key operation, automatic knife sharpening, to meet the needs of users in the season of operation, to ensure the stem cutting effect.
■Efficient acceleration mechanism, integral shell, one welded impeller, 8 throwing blades in double row herringbone arrangement, throwing effect is better, higher efficiency.
■Special collector, good collection effect, smooth material flow, small energy loss, high discharge speed.
■High strength, large swing Angle, closed throwing mechanism, long throwing distance, high material concentration, can achieve the left 90°+2° to the right 90°+2° harvest operation, to meet the needs of various pickup trucks from low to high different heights of throwing material.。
■Scraper chain elevator, lifting channel width 600mm, right side offset, the ear lifting and conveying uniform; High efficiency cleaning fan + two pull stem mechanism, stalk cleaning effect is strong.
■The peeling machine adopts five groups of peeling rollers, the peeling effect is good, the stripping rate is greater than 95%, the kernel loss is less than 2%.
■The effective volume of the granary can reach 5 cubic meters, which significantly reduces the number of grain unloading per unit time and improves operation efficiency.
■Special 1000 series transmission, enhanced side reduction, stronger driving force; Hydraulic front drive, mechanical rear drive, can achieve a rod combination/split rear drive; The driving wheel has wide section, high bearing capacity, strong adaptability to ground conditions and better passability.
■Guo Si 280 HP rear-loading engine, sufficient power reserve, more powerful; The use of special intercooling integrated water tank, high heat dissipation efficiency; Special fire cover, effectively prevent debris from entering the space near the engine.
■Electronically controlled multi-function handle, integrated armrest box, electro-hydraulic control, one-button operation, can complete all actions such as driving, harvesting, greatly reducing the working intensity of the operator group.

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project	unit	parameter
Overall dimensions (length × Width × High)	mm	8700×3290×3800
structural weight	kg	12500
Matching engine rated power	kW/HP	206/280
Rated engine speed	r/min	2200
Working lines	line	4
ADAPTS to the range of rows	mm	600～700
Type of straw shredding and recycling mechanism		Moving-fixed knife combination type
Granary volume	m³	5
type of drive		Hydraulic front drive + mechanical rear drive

4YJ-4A2(G4) self-propelled corn harvester

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