Specifications (S780 and S790)

Specifications and design subject to change without notice.

Engine
Make	John Deere
Model	6135HH004 Export (13.5 L Tier 2/Stage II) 6135HH009 Export (13.5 L Tier 3/Stage IIIA) 6135HH010 Export (13.5 L Tier 3/Stage IIIA) 6135HH008 (13.5 L Final Tier 4/Stage IV)
Type	Six-cylinder, in line, valve-in-head, air-to-air aftercooled diesel turbocharged
	S780	S790
Rated Power	353 kW (473 hp)	405 kW (543 hp)
Rated Speed	2100 rpm	2100 rpm
Power Boost at Rated Speed	37 kW (50 hp)	37 kW (50 hp)
Peak Power	402 kW (540 hp)	460 kW (617 hp)
Peak Power Speed (Rated Speed -200 rpm)	1900 rpm	1900 rpm
Displacement	13.5 L (824 in³)	13.5 L (824 in³)
Firing Order	1-5-3-6-2-4	1-5-3-6-2-4
Air Cleaner	Dry type with safety element	Dry type with safety element

Electrical System
Battery Voltage	12 Volts
Battery Terminal Grounded	Negative
Alternator (Tier 2/Stage II) Alternator (Tier 3/Stage IIIA) Alternators (Final Tier 4/Stage IV)	200 A

Transmission
Speeds	Two Speed Auto Shift

Brakes
Type	Multiple Wet Discs

Feed Accelerator
Number of Wings	Standard: 10 Tough Crop: 8 Rice: 5

Separator Elements
Threshing Elements (TriStream™ Rotor)	Corn/Small Grain: 15
Threshing Elements (Variable Stream Rotor)	Corn/Small Grain: 15 Rice Option: 15 elements and 12 threshing tines in dense pack locations
Tines (TriStream™ Rotor)	24
Tines (Variable Stream Rotor)	20

Concave
Number of Concaves	3
Number of Bars Per Concave	Grain—Front 25, Mid/rear 25; Corn 31

Separator
Number of Grates	4

Discharge Grate
Number of Grates	1

Discharge Beater
Number of Wings	Standard: 10 Tough Crop: 8

Grain Tank
Capacity	14 096 L (400 bu) Extensions 14 096 L (400 bu) Covers
Average Unloading Rate, 134 L/s (3.8 bu/s) Unload Rate	8035 L/min (228 bu/min)
Maximum Unloading Rate, 134 L/s (3.8 bu/s) Unload Rate	8670 L/min (246 bu/min)

Weight	S780	S790
Machine Weight 1	22 286 kg (49 141 lb)	22 286 kg (49 141 lb)

Turning Radius
Rear Wheel Tread Width	3.35 m (10 ft 10 in)
Turning Radius (Non-Powered Axles)	8.02 m (26 ft 3 in)
Turning Radius (Powered Axles)	7.73 m (25 ft 4 in)

Capacities
Fuel Tank	1250 L (330 gal)
Diesel Exhaust Fluid (DEF) Tank (Final Tier 4/Stage IV)	52.2 L (13.8 gal)
Cooling System with heater (Tier 2/Stage II)	61.2 L (65 qt)
Cooling System with heater (Tier 3/Stage IIIA and Final Tier 4/Stage IV)	85 L (90 qt)
Engine Crankcase with filter (Tier 2/Stage II)	39 L (41 qt) 2
Engine Crankcase with filter (Tier 3/Stage IIIA)	39 L (41 qt) 2
Engine Crankcase with filter (Final Tier 4/Stage IV)	43 L (45.5 qt) 2
Final Drives	8 L (8.5 qt)
Extra Heavy-Duty Feeder House Reverser Gear Case without cooler	3.6 L (7.7 pt)
Multi-Speed Feeder House Reverser Gear Case with cooler (optional)	5.2 L (11 pt)
Premium Overshot Beater Gear Case (If Equipped)	0.2 L (6.75 oz)
Primary Countershaft Drive Gear Case (Non-Multi-Speed)	1.9 L (2.04 qt)
Loading Auger Gear Case	3.8 L (4 qt)
Two-Speed Separator Drive Gear Case	4.7 L (5 qt)
Engine Gear Case with transfer	51 L (54 qt)
Hydraulic/Hydrostatic Reservoir	47 L (50 qt)

Air Compressor (If Equipped)
Reservoir Size	60 L (16 gal)
Maximum Reservoir Pressure	827 kPa (8.27 bar) (120 psi)
Air Compressor Flow	Low Idle	250 L/min (8.8 ft³/min)
	High Idle	450 L/min (15.8 ft³/min)