Main technique parameter of 4YW-Q corn combine harvester with a reclaimer: ProjectUnitTechnique parameterRemarkModel 4YW-Q Speed km/h 3.5-7.2 Working efficiency hectare/h 0.7-1.4 Snapping roller Model Horizontal Quantity 63 pairs Speed r/min 820 Working range mm 2007 Row of harvest Rows Above 3 Depending on the spacing Suitable spacing mm Any space Weight of transport kg 2700 Difference exists if equipped with different models. Form of elevator Shaving board Off ground distance mm 310 Reclaiming form of crushed stalks Rotary knife Rotation number of stalk-crushing reclaimer r/m 1800 Maximum unloading height mm 1938 Maximum passing height of elevator mm 3700 Size mm 7900×2270×3700 Difference exists if equipped with Equipped motivity kilowatt Above 58.8 kilowatt Main capability index of 4YW-Q corn harvester with a reclaimer: ProjectUnit Capability index Remark Total loss of seeds percentage ≤2 Total loss of ears percentage ≤3 Damage rate of seeds percentage ≤1 Pass rate of broken length percentage ≥85 L≤100mm Average height of stubble mm ≤80