Specifications (S780, S785, and S790)

Specifications and design subject to change without notice.

Engine

Make

John Deere

Model

6135HH004 (13.5 L Tier 2/Stage II)

6135HH008 (13.5 L Final Tier 4/Stage IV)

Type

Six-cylinder, in line, valve-in-head, air-to-air aftercooled diesel turbocharged

 

S780

S785

Rated Power (Tier 2/Stage II)

353 kW (473 hp)

373 kW (500 hp)

Rated Power (Final Tier 4/Stage IV)

353 kW (473 hp)

373 kW (500 hp)

Rated Speed

2100 rpm

2100 rpm

Power Boost at Rated Speed

37 kW (50 hp)

37 kW (50 hp)

Peak Power (Tier 2/Stage II)

402 kW (540 hp)

425 kW (570 hp)

Peak Power (Final Tier 4/Stage IV)

402 kW (540 hp)

425 kW (570 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

 

S790

Rated Power (Tier 2/Stage II)

405 kW (543 hp)

Rated Power (Final Tier 4/Stage IV)

405 kW (543 hp)

Rated Speed

2100 rpm

Power Boost at Rated Speed (Tier 2/Stage II)

23 kW (31 hp)

Power Boost at Rated Speed (Final Tier 4/Stage IV)

37 kW (50 hp)

Peak Power (Tier 2/Stage II)

458 kW (614 hp)

Peak Power (Final Tier 4/Stage IV)

460 kW (617 hp)

Peak Power Speed (Rated Speed -200 rpm)

1900 rpm

Displacement

13.5 L (824 in³)

Firing Order

1-5-3-6-2-4

Air Cleaner

Dry type with safety element

Electrical System

Battery Voltage

12 Volts

Battery Terminal Grounded

Negative

Alternator (Tier 2/Stage II)

Alternators (Final Tier 4/Stage IV)

200 A

Transmission

Speeds

Two Speed Auto Shift

Brakes

Type

Multiple Wet Discs

Feed Accelerator

S780, S785, and S790

S780 HillMaster™, S785 HillMaster™, and S790 HillMaster™

Number of Wings

Standard: 10

Tough Crop: 8

Rice: 5

Tough Crop: 8

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

S780, S785, and S790

S780 HillMaster™, S785 HillMaster™, and S790 HillMaster™

Number of Wings

Standard: 10

Tough Crop: 8

Tough Crop: 8

Grain Tank

S780, S785, and S790

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)

Grain Tank

HillMaster™ Machines

Capacity

10 572 L (300 bu) Extensions

10 572 L (300 bu) Covers

Average Unloading Rate, 116 L/s (3.3 bu/s) Unload Rate

6977 L/min (198 bu/min)

Maximum Unloading Rate, 116 L/s (3.3 bu/s) Unload Rate

7612 L/min (216 bu/min)

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

760 L (200 gal) Optional

950 L (250 gal) Optional

1250 L (330 gal) Standard

Diesel Exhaust Fluid (DEF) Tank (Final Tier 4/Stage IV)

29 L (7.6 gal) Optional

52.2 L (13.8 gal) Standard

Cooling System with heater (Tier 2/Stage II)

61.2 L (65 qt)

Cooling System with heater (Final Tier 4/Stage IV)

85 L (90 qt)

Engine Crankcase with filter (Tier 2/Stage II)

39 L (41 qt) 1

Engine Crankcase with filter (Final Tier 4/Stage IV)

43 L (45.5 qt) 1

Final Drives

8 L (8.5 qt)

7 L (7.4 qt) HillMaster™

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)

1 It is vital to maintain engine oil at correct levels. Always verify that oil level is at correct location on dipstick when servicing.

OUO6075,00046E6-19-20170328