John Deere 7800

The John Deere 7800 is a tractor produced by John Deere. It is equipped with a 466 ci 7.6 L engine. The rated power output is 170 hp 126.8 kW. Transmission: John Deere PowerShift. Operating weight: 13910 to 15560 pounds.

Overview

	1992 - 1996 7000 SeriesRow-Crop tractor
1992 - 1996
7000 Series
Row-Crop tractor

Production
Manufacturer	John Deere
Row-Crop tractor
Built in Waterloo, Iowa, USA
Original price was $84,000 in 1996

John Deere 7800 Engine
John Deere 7.6L 6-cyl diesel
Engine details ...

John Deere 7800 Power
Engine (net)	170 hp 126.8 kW
PTO (claimed)	145 hp 108.1 kW
Drawbar (tested)	131.99 hp 98.4 kW
PTO (tested)	158.97 hp 118.5 kW
Performance test details ...

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

Capacity
Fuel	91 gal 344.4 L
Hydraulic system	22.9 gal 86.7 L

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

Tractor hitch
Rear Type	IIIN/II
Control	position and draft control
Rear lift	8925 lbs 4048 kg
	10050 lbs*Optional with four-wheel drive. 4558 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	540/1000

Dimensions & Tires
2WD Wheelbase	114.4 inches 290 cm
4WD Wheelbase	110.2 inches 279 cm
Weight	13910 to 15560 pounds
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	140
Battery volts	12

References
New 110- to 145-HP 7000 Series Tractors published in 1992, by John Deere
New John Deere 7000 Series Tractors published in 1993
Row-Crop Tractors Product Information Handbook published in 1992, by John Deere

Engine

Engine Detail — 466 ci / 7.6 L Diesel

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

Transmission

Transmission options
16-speed partial power shift
19-speed full power shift

Transmission — John Deere PowrQuad

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

Transmission — John Deere PowerShift

Transmission	John Deere PowerShift
Type	full power shift
Gears	19 forward and 7 reverse
Clutch	wet disc

Dimensions

John Deere 7800 Tires

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

Tests

Tractor Tests
OECD 1668: diesel PowrQuad 4WD
OECD 1669: diesel power shift 4WD

OCED Tractor Test 1668
Diesel PowrQuad 4WD May 19 - June 4, 1993 Link: OCED Tractor Test 1668 file
PTO performance
Max power	158.83 hp 118.4 kW
Fuel use	9.0 gal/hour 34.1 l/hour
Power at rated engine speed	147.08 hp 109.7 kW
Fuel use	8.8 gal/hour 33.3 l/hour
Drawbar performance
Max power	131.99 hp 98.4 kW
Fuel use	8.7 gal/hour 32.9 l/hour
Max pull	19,052 lbs 8641 kg

OCED Tractor Test 1669
Diesel power shift 4WD May 6 - July 19, 1993 Link: OCED Tractor Test 1669 file
PTO performance
Max power	158.97 hp 118.5 kW
Fuel use	8.9 gal/hour 33.7 l/hour
Power at rated engine speed	146.73 hp 109.4 kW
Fuel use	8.6 gal/hour 32.6 l/hour
Drawbar performance
Max power	124.12 hp 92.6 kW
Fuel use	8.5 gal/hour 32.2 l/hour
Gear 9 used for power test.
Max pull	18,921 lbs 8582 kg
Gear 5 used for pull test.

Attachments

Attachment overview
John Deere 725 loader
John Deere 740 loader