What is the Size of a Harvester?
The harvester is a machine used for bucking and cutting trees. 
The machine is often utilized in logging operations and often with the forwarder. The following are the specifications for John Deere harvesters.
Harvester Dimensions: Model 9570 STS
The platform specs are 4.6 m, 6.1 m, 6.7 m, 7.6 m and 9.1 m (15', 20', 22', 25', 30'). The feeding specs are as follows: the drive can be variable or fixed. It is 1118 mm wide and 1727 mm long. The variable speed is 520 to 780 rpm. The cylinder and diameter is 600 mm x 3130 mm. The cylinder speed range is 230 to 1300 rpm. The concave area is 0.9 m2.
Model 9570 STS engine specs are as follows: it uses a John Deere 6-cyl. 6.8 L with a 6.8 L displacement. It has air to air compressor cooling and 2300 rpm rated speed. The grain tank size is 800 L (250 bu.) while the unloading rate is 77.5 L/sec (2.2 bu./sec.). The unloading auger length is 5.6 m or 6.55 m optional.
Harvester Dimensions: Model 9670 STS
The feeding drive can be variable or fixed. The length is 1727 mm and the width is 1397 mm. The speed is 520 to 780 rpm. The cylinder width is 750 mm x 3130 mm and the rotor speed range is 210 to 1000 rpm. The concave area is 1.1 m2.
The engine John Deere 6 cylinder 9.0 L while the rated speed is 2200 rpm. The grain tank size is 8800 L (250 bu.) and the unloading auger length is 6.55 m or 6.9 m with high unload rate.
Model 9770 STS Specifications
The conveyor is undershot slat and the width is 1397 mm. The length is 1727 mm and the variable speed is 520 to 780 rpm. Model 9770 STS has a cylinder width of 50 mm x 3130 mm and dual rotor speed range of 210 to 1000 rpm.
The engine is John Deere 6-cyl. 9.0 L. The rated speed is 2200 rpm. The grain tank size is 10600 L (300 bu.) and the unloading rate is 116 L/sec. (3.3 bu./sec). The fuel capacity is 945 L. The transport height is 4.52 m. The unloading auger length is 6.55 m or 6.9 m.
The harvester dimensions and specifications will vary with other manufacturers. A lot of other features may be added in the machine in the future. If you are going to buy one, make sure to contact the dealer first.
