Specifications (S780, S785, and S790)
Specifications and design subject to change without notice.
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Engine
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Make
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John Deere
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Model
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6135HH004 (13.5 L Tier 2/Stage II)
6135HH008 (13.5 L Final Tier 4/Stage IV)
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Type
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Six-cylinder, in line, valve-in-head, air-to-air aftercooled
diesel turbocharged
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S780
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S785
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Rated Power (Tier 2/Stage II)
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353 kW (473 hp)
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373 kW (500 hp)
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Rated Power (Final Tier 4/Stage IV)
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353 kW (473 hp)
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373 kW (500 hp)
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Rated Speed
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2100 rpm
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2100 rpm
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Power Boost at Rated Speed
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37 kW (50 hp)
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37 kW (50 hp)
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Peak Power (Tier 2/Stage II)
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402 kW (540 hp)
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425 kW (570 hp)
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Peak Power (Final Tier 4/Stage IV)
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402 kW (540 hp)
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425 kW (570 hp)
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Peak Power Speed (Rated Speed -200 rpm)
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1900 rpm
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1900 rpm
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Displacement
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13.5 L (824 in³)
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13.5 L (824 in³)
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Firing Order
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1-5-3-6-2-4
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1-5-3-6-2-4
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Air Cleaner
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Dry type with safety element
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Dry type with safety element
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S790
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Rated Power (Tier 2/Stage II)
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405 kW (543 hp)
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Rated Power (Final Tier 4/Stage IV)
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405 kW (543 hp)
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Rated Speed
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2100 rpm
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Power Boost at Rated Speed (Tier 2/Stage II)
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23 kW (31 hp)
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Power Boost at Rated Speed (Final Tier 4/Stage IV)
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37 kW (50 hp)
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Peak Power (Tier 2/Stage II)
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458 kW (614 hp)
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Peak Power (Final Tier 4/Stage IV)
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460 kW (617 hp)
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Peak Power Speed (Rated Speed -200 rpm)
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1900 rpm
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Displacement
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13.5 L (824 in³)
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Firing Order
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1-5-3-6-2-4
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Air Cleaner
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Dry type with safety element
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Electrical System
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Battery Voltage
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12 Volts
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Battery Terminal Grounded
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Negative
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Alternator (Tier 2/Stage II)
Alternators (Final Tier 4/Stage IV)
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200 A
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Transmission
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Speeds
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Two Speed Auto Shift
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Brakes
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Type
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Multiple Wet Discs
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Feed Accelerator
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S780, S785, and S790
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S780 HillMaster™, S785 HillMaster™, and S790
HillMaster™
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Number of Wings
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Standard: 10
Tough Crop: 8
Rice: 5
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Tough Crop: 8
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Separator Elements
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Threshing Elements (TriStream™ Rotor)
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Corn/Small Grain: 15
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Threshing Elements (Variable Stream Rotor)
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Corn/Small Grain: 15
Rice Option: 15 elements and 12 threshing tines in dense pack
locations
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Tines (TriStream™ Rotor)
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24
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Tines (Variable Stream Rotor)
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20
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Concave
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Number of Concaves
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3
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Number of Bars Per Concave
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Grain—Front 25, Mid/rear 25; Corn 31
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Separator
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Number of Grates
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4
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Discharge Grate
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Number of Grates
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1
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Discharge Beater
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S780, S785, and S790
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S780 HillMaster™, S785 HillMaster™, and S790
HillMaster™
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Number of Wings
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Standard: 10
Tough Crop: 8
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Tough Crop: 8
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Grain Tank
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S780, S785, and S790
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Capacity
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14 096 L (400 bu) Extensions
14 096 L (400 bu) Covers
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Average Unloading Rate, 134 L/s (3.8 bu/s) Unload Rate
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8035 L/min (228 bu/min)
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Maximum Unloading Rate, 134 L/s (3.8 bu/s) Unload Rate
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8670 L/min (246 bu/min)
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Grain Tank
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HillMaster™ Machines
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Capacity
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10 572 L (300 bu) Extensions
10 572 L (300 bu) Covers
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Average Unloading Rate, 116 L/s (3.3 bu/s) Unload Rate
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6977 L/min (198 bu/min)
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Maximum Unloading Rate, 116 L/s (3.3 bu/s) Unload Rate
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7612 L/min (216 bu/min)
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Turning Radius
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Rear Wheel Tread Width
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3.35 m (10 ft 10 in)
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Turning Radius (Non-Powered Axles)
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8.02 m (26 ft 3 in)
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Turning Radius (Powered Axles)
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7.73 m (25 ft 4 in)
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Capacities
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Fuel Tank
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760 L (200 gal) Optional
950 L (250 gal) Optional
1250 L (330 gal) Standard
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Diesel Exhaust Fluid (DEF) Tank (Final Tier 4/Stage IV)
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29 L (7.6 gal) Optional
52.2 L (13.8 gal) Standard
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Cooling System with heater (Tier 2/Stage II)
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61.2 L (65 qt)
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Cooling System with heater (Final Tier 4/Stage IV)
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85 L (90 qt)
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Engine Crankcase with filter (Tier 2/Stage II)
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39 L (41 qt) 1
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Engine Crankcase with filter (Final Tier 4/Stage IV)
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43 L (45.5 qt) 1
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Final Drives
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8 L (8.5 qt)
7 L (7.4 qt) HillMaster™
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Extra Heavy-Duty Feeder House Reverser Gear Case without cooler
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3.6 L (7.7 pt)
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Multi-Speed Feeder House Reverser Gear Case with cooler (optional)
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5.2 L (11 pt)
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Premium Overshot Beater Gear Case (If Equipped)
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0.2 L (6.75 oz)
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Primary Countershaft Drive Gear Case (Non-Multi-Speed)
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1.9 L (2.04 qt)
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Loading Auger Gear Case
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3.8 L (4 qt)
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Two-Speed Separator Drive Gear Case
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4.7 L (5 qt)
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Engine Gear Case with transfer
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51 L (54 qt)
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Hydraulic/Hydrostatic Reservoir
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47 L (50 qt)
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Air Compressor (If Equipped)
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Reservoir Size
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60 L (16 gal)
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Maximum Reservoir Pressure
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827 kPa (8.27 bar) (120 psi)
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Air Compressor Flow
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Low Idle
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250 L/min (8.8 ft³/min)
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High Idle
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450 L/min (15.8 ft³/min)
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1 It is
vital to maintain engine oil at correct levels. Always verify that
oil level is at correct location on dipstick when servicing.
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OUO6075,00046E6-19-20170328
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