John Deere

John Deere 7800

The John Deere 7800 is a row-crop tractor produced from 1992 to 1996 as part of the 7000 Series. It was built in Waterloo, Iowa, USA. The tractor features a 7.6L 6-cylinder turbocharged diesel engine producing 170 hp (net). Transmission options include a 16-speed partial power shift PowrQuad and a 19-speed full power shift PowerShift. It offers two- or four-wheel drive with electro-hydraulic rear differential lock and ComfortGard cab with air-conditioning. The tractor has a fuel capacity of 91 gallons and a hydraulic system capacity of 22.9 gallons. It supports rear PTO speeds of 540/1000 rpm and has a rear hitch with position and draft control. The 7800 can be equipped with John Deere 725 or 740 front-end loaders. Dimensions include a 2WD wheelbase of 114.4 inches and an operating weight up to 15,560 lbs for 4WD models.

Power170 hp

Founded1992 - 1996

Model7800

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Technical Specifications

Detailed specifications and technical data for John Deere 7800

Power

Engine (net)	170 hp (126.8 kW)
PTO (tested)	158.97 hp (118.5 kW)
PTO (claimed)	145 hp (108.1 kW)
Drawbar (tested)	131.99 hp (98.4 kW)

Engine

Type	turbocharged diesel
Cooling	liquid-cooled
Cylinders	6-cylinder
Rated RPM	2100
Air cleaner	dual dry element
Bore/Stroke	4.5625x4.75 inches (116 x 121 mm)
Compression	15.5:1
Displacement	466 ci (7.6 L)
Firing order	1-5-3-6-2-4
Manufacturer	John Deere
Starter volts	12
Coolant capacity	27.5 qts (26.0 L)
Rated Power (net)	170 hp (126.8 kW)

Capacity

Fuel	91 gal (344.4 L)
Hydraulic system	22.9 gal (86.7 L)

Dimensions

Length	187.2 inches (475 cm)
Height (cab)	118.4 inches (300 cm)
Rear tread 1	60 to 85.7 inches (152 to 217 cm)
Rear tread 2	60 to 100.3 inches (152 to 254 cm)
Rear tread 3	60 to 108.3 inches (152 to 275 cm)
2WD Wheelbase	114.4 inches (290 cm)
4WD Wheelbase	110.2 inches (279 cm)
Shipping weight	13,910 lbs (6309 kg)
Operating weight	15,560 lbs (4WD) (7058 kg)
Rack-and-pinion rear axle 1	3.62 by 96 inches (91 by 2438 mm)
Rack-and-pinion rear axle 2	3.62 by 110.5 inches (91 by 2806 mm)
Rack-and-pinion rear axle 3	3.62 by 118 inches (91 by 2997 mm)

Electrical

Ground	negative
Battery volts	12
Charging amps	140
Charging system	alternator

Hydraulics

Type	closed center
Valves	2 to 3
Capacity	22.9 gal (86.7 L)
Pressure	2900 psi (200.0 bar)
SCV flow	25.4 gpm (96.1 lpm)

Mechanical

Cab	ComfortGard cab standard with air-conditioning
Drive	Two- or four-wheel drive
Brakes	Differential hydraulic wet disc brakes
Final drives	inboard planetary
Power steering	yes
Differential lock	electro-hydraulic rear

Production

Type	Row-Crop tractor
Series	7000 Series
Built in	Waterloo, Iowa, USA
Original price	$84,000 in 1996
Years produced	1992 - 1996

Attachments

725 Loader lift	4677 lbs lift (full at pin) (2121 kg)
740 Loader lift	3965 lbs lift (full at pin) (1798 kg)
725 Loader height	162 inches height (at pin) (411 cm)
740 Loader height	164 inches height (at pin) (416 cm)
725 Loader breakout	6209 lbs breakout (2816 kg)
725 Loader rollback	12° rollback
740 Loader breakout	6021 lbs breakout (2731 kg)
740 Loader rollback	19° rollback
Attachment overview	John Deere 725 loader, John Deere 740 loader

Transmission

Type 1	partial power shift
Type 2	full power shift
Gears 1	16 forward and 12 reverse
Gears 2	19 forward and 7 reverse
Notes 1	The PowrQuad was the standard transmission on the Deere 7800. It consists of four speeds (1-4) in four ranges (A-D).
Clutch 1	wet disc
Clutch 2	wet disc
Transmission 1	John Deere PowrQuad
Transmission 2	John Deere PowerShift
Transmission options	16-speed partial power shift, 19-speed full power shift