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 listed engine power is Diesel (net): 170 hp / 126.8 kW. Transmission: John Deere PowerShift. Operating weight: 13910 to 15560 pounds.
Engine Power
Diesel (net): 170 hp / 126.8 kW
Fuel & Capacities
91 gal
344.4 L
Transmission
John Deere PowerShift
Operating Weight
15,560 lbs (4WD)
7058 kg
Overview
 | 1992 - 1996
7000 SeriesRow-Crop tractor
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 |
Recommended Implements & Sizing Guide
Engineering recommendations for John Deere 7800 based on its 170 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 5 to 7 Bottom (18")5 - 7 铧 (45 cm) | Commercial / Field Scale | Large acreage tillage; requires front ballast weights. |
Rotary Cutter / MowerMowing & Clearing | 15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼 | Commercial / Field Scale | Large commercial field and roadside mowing operations. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 15 to 22 ft Folding Disc4.5 - 6.7 m 折叠式圆盘耙 | Commercial / Field Scale | Wide commercial field leveling; requires hydraulic remotes. |
Hay BalerHay & Forage | Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m) | Commercial / Field Scale | High-capacity commercial forage harvesting (1000 RPM PTO). |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for John Deere 7800.
Estimated Continuous Field Runtime: 10.3 hrs
Approximately 10.3 hours of continuous field operation at ~75% rated power on a full tank (91 gal / 344.5 L).
Estimated 75% Load Fuel Burn~8.8 gal/hr (33.5 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
John Deere 7800 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for John Deere 7800.
Converted Equivalents:
Horsepower (HP)170 hp
Kilowatts (kW)126.8 kW
Metric Horsepower (PS / CV)172.4 PS
Direct Competitor Comparison
Compare John Deere 7800 against same-era industry alternatives in the same horsepower class.
Current Model
John Deere
John Deere 7800
Engine Power:Diesel (net): 170 hp / 126.8 kW
★ Baseline Reference
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