Specs

MANUFACTURER MODEL				John Deere 9870
Headers
	Platforms			25 ft, 30 ft, 35 ft, 40 ft, and Belt Pick Up
	Row-Crop Heads			---
	Corn Heads			12 Narrow, 8 Wide
Feeding
	Drive			Fixed or Variable
	Conveyor			Under-shot slat
	Width			55-in. (1397 mm)
	Length			68-in. (1727 mm)
	Fixed Speed			520 rpm
	Variable Speed			520 to 780 rpm
	Reverser			Standard
Threshing
	Cylinder/Rotor Dia. Width			30-in. x 123-in. (750 mm x 3130 mm)
	Cylinder/Rotor Speed Range-Single			---
	Cylinder/Rotor Speed Range-Dual			210 to 1000 rpm
	Concave Area			1705 sq. in. (1.1 m2)
	Number of concave bars			---
	Number of rasp bars			---
	Over-shot beater diameter - in. (mm)			---
	Over-shot beater speed - ft/sec (m/sec)			---
	Beater Grate Area			---
Tine Separator and Separator Concave
	Tine separator diameter - in. (mm)			---
	Tine separator speed - ft/sec (m/sec)			---
Separating
	Separator Type			Rotary
	Separator Length			---
	Separating Area			2390 sq. in. (1.54 m2)
	Discharge Grate Area			698 sq in (.45 m2)
Cleaning System
	Pre-Cleaner			2698 sq. in. (1.74 m2)
	Chaffer/Extension Area			2934 sq. in. (1.89 m2) or 2708 sq in (1.75 m2) with Self-Leveling
	Sieve Area			2511 sq. in. (1.62 m2) or 2383 sq in (1.54 m2) with self-leveling
	Total Cleaning Area			8143 sq. in. (5.25 m2) or 7789 sq in (5.03 m2) with Self-Leveling
	Cleaning Fan Speed			620 to 1250 rpm
	Self-Leveling			Optional
Engine
	Type			John Deere 6-cyl 13.5 L
	Displacement			824 cu in (13.5 L)
	Cooling			Air-to-Air Aftercooler
	Rated Speed			2200 rpm
	Horsepower			440
	Horsepower with Power Boost			471
Grain Handling
	Grain Tank Size			300 bu. (10,600 L)
	Unloading Auger Length			22.5-ft or 26-ft with high unload rate
	Unloading Rate			3.3 bu/sec
	Unloading Discharge Height			14-ft. 4-in. (4.37 m)
Capacities
	Fuel Capacity			305 gal (1,155 L)
	Transport Height (in the field position)			14-ft. 9-in. (4.53 m)
Base Weight-Less Head
	Grain			---
	Corn			36,114 lb. (16381 kg)
Country of Manufacture