John Deere 820
The John Deere 820 is a tractor produced by John Deere. It is equipped with a 151.9 ci 2.5 L engine. The listed engine power is Diesel (listed): 32 hp / 23.9 kW. Transmission: 8 forward and 4 reverse. Operating weight: 4000 lbs 1814 kg.
Engine Power
Diesel (listed): 32 hp / 23.9 kW
Fuel & Capacities
16.5 gal
62.5 L
Transmission
8 forward and 4 reverse
Operating Weight
4000 lbs
1814 kg
Overview
 | 1968 - 1973
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | John Deere |
Utility tractor | |
Built in Mannheim, Baden-Württemberg, Germany | |
Original price | $4,000 |
John Deere 820 Engine | |
|---|---|
John Deere 2.5L 3-cyl diesel | |
Engine details ...  |
John Deere 820 Power | |
|---|---|
Engine | 32 hp
23.9 kW |
PTO (claimed) | 31 hp
23.1 kW |
Plows | 2-bottom integral |
Mechanical | |
|---|---|
Two-wheel drive | |
Differential lock | mechanical rear |
Open operator station. Two-post ROPS optional. | |
Capacity | |
|---|---|
Fuel | 16.5 gal
62.5 L |
Hydraulic system | 10 gal
37.9 L |
Hydraulics | |
|---|---|
Type | open center |
Capacity | 10 gal
37.9 L |
Tractor hitch | |
|---|---|
Rear Type | I |
Power Take-off (PTO) | |
|---|---|
Rear PTO | live *Two-stage clutch |
Rear PTO Type | 540 |
Dimensions & Tires | |
|---|---|
Wheelbase | 74.4 inches
188 cm |
Weight | 4000 lbs
1814 kg |
Front tire | 5.50-16 |
Rear tire | 12.2-28 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Batteries | 2 |
Battery volts | 12 |
Battery AH | 55 |
References | |
|---|---|
 | |
The John Deere 20 Series New Generation Tractors by Benjamin Hain | |
Tractors 31 to 54 H.P. published in 1969, by John Deere* | |
John Deere 820 Tractor and Skid-Steer Loaders published in 1973 | |
*Publication contains known errors. | |
 | |
Operator's Manual 145 Loader (OMW21474) | |
Operator's Manual 820 (OM-L 25150) | |
Operator's Manual 820 (OM-L 29340) |
Engine
Engine Detail — 151.9 ci / 2.5 L Diesel
Manufacturer | John Deere |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 151.9 ci
2.5 L |
Bore/Stroke | 3.858x4.33 inches
98 x 110 mm |
Power | 32 hp
23.9 kW |
Air cleaner | oil bath |
Compression | 16.7:1 |
Rated RPM | 2100 |
Firing order | 1-2-3 |
Starter volts | 12 |
Oil capacity | 6.5 qts
6.2 L |
Transmission
Transmission options | |
|---|---|
7-speed sliding gear | |
8-speed collar shift |
Transmission — 7 forward and 1 reverse sliding gear
Type | sliding gear |
Gears | 7 forward and 1 reverse |
Two-lever control. Left-hand range lever selects between I, II, reverse or parking. Not all tractors equipped with parking position. Right-range lever selects gear. | |
Transmission — 8 forward and 4 reverse collar shift
Type | collar shift |
Gears | 8 forward and 4 reverse |
Four gears with two ranges and reverse. The left-hand range lever selects between I, II, reverse or parking. Right-hand gear shift lever chooses one of four gears. | |
With 13.6-28 rear tires. | |
 | |
Dimensions
John Deere 820 Tires | |
|---|---|
Ag front | 5.50-16 |
Ag rear | 12.2-28 |
Ag front | 6.00-16 |
Ag rear | 13.6-28 |
Lawn/turf front | 27/9.5-15 |
23/10.5-12 | |
Lawn/turf rear | 16.9-24 |
16.5L-16 | |
Dimensions | |
|---|---|
Wheelbase | 74.4 inches
188 cm |
Length | 135 inches
342 cm |
Width | 59.06 inches (min)
150 cm |
81.1 inches (max)
205 cm | |
Height | 78.74 inches
199 cm |
Weight | 4000 lbs
1814 kg |
Attachments
Attachment overview | |
|---|---|
Blade | |
Front-end loader | |
Backhoe |
John Deere 165 Backhoe | |
|---|---|
Backhoe type | John Deere 165 Backhoe |
Digging depth | 106.5 inches
270 cm |
Recommended Implements & Sizing Guide
Engineering recommendations for John Deere 820 based on its 32 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm) | Medium Duty | Standard utility farm tillage. |
Rotary Cutter / MowerMowing & Clearing | 5 ft (60 in)1.5 m | Medium Duty | Pasture maintenance and weeds up to 1.5" diameter. |
Rotary TillerSeedbed Prep | 54 to 60 in135 - 150 cm | Medium Duty | Thorough seedbed preparation in orchards and vegetable plots. |
Disc HarrowSecondary Tillage | 5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片) | Light Duty | Small acreage soil break-up and secondary aeration. |
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 820.
Estimated Continuous Field Runtime: 9.9 hrs
Approximately 9.9 hours of continuous field operation at ~75% rated power on a full tank (16.5 gal / 62.5 L).
Estimated 75% Load Fuel Burn~1.7 gal/hr (6.3 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 820 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for John Deere 820.
Converted Equivalents:
Horsepower (HP)32 hp
Kilowatts (kW)23.9 kW
Metric Horsepower (PS / CV)32.4 PS
Direct Competitor Comparison
Compare John Deere 820 against same-era industry alternatives in the same horsepower class.
Current Model
John Deere
John Deere 820
Engine Power:Diesel (listed): 32 hp / 23.9 kW
★ Baseline Reference
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