John Deere 820 Specs ( 1968-1973 )
Production
| Description | Utility tractor / Built in Mannheim, Baden-Württemberg, Germany |
|---|---|
| Manufacturer | John Deere |
| Original price | $4,000 |
| Total built | 7,080 |
Engine
| Aux. fuel | 0.25 gal (0.9 L) |
|---|---|
| Engine type | John Deere 2.5L 3-cyl diesel |
| Fuel tank | 32.5 gal (123.0 L) |
| Air cleaner | oil bath |
| Bore/Stroke | 3.858x4.33 inches (98 x 110 mm) |
| Compression | 16.7:1 |
| Coolant capacity | 8 qts (7.6 L) |
| Description | John Deere / diesel / 3-cylinder / liquid-cooled |
| Displacement | 151.9 ci (2.5 L) |
| Firing order | 1-2-3 |
| Oil capacity | 6.5 qts (6.2 L) |
| Power | 32 hp (23.9 kW) |
| Rated RPM | 2100 |
| Starter type | gasoline pony motor |
| Starter volts | 12 |
| Belt (claimed) | 67 hp (Green Dash) (50.0 kW) |
| Belt (tested) | 72.82 hp (54.3 kW) |
| Drawbar (tested) | 67.15 hp (50.1 kW) |
| Plows | 2-bottom integral |
| PTO (claimed) | 31 hp (23.1 kW) |
Transmission
| Clutch | 9-inch dry disc |
|---|---|
| Description | 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. / 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. |
| Gears | 7 forward and 1 reverse / 8 forward and 4 reverse |
| Manufacturer | John Deere |
| Transmission type | 6-speed unsynchronized gear |
| Type | sliding gear / collar shift |
| Transmission type | 7-speed sliding gear / 8-speed collar shift |
| Transmission type | 7-speed sliding gear / 8-speed collar shift |
Mechanical
| Cab | Open operator station. Two-post ROPS optional. |
|---|---|
| Description | Mechanical expanding shoe brakes |
| Differential lock | mechanical rear |
| Drive type | Two-wheel drive |
| Final drives | bull gear |
| Steering | manual |
Capacity
| Fuel | 16.5 gal (62.5 L) |
|---|---|
| Hydraulic system | 10 gal (37.9 L) |
Hydraulics
| Capacity | 10 gal (37.9 L) |
|---|---|
| Type | open center |
| Valves | 1 |
Hitch
| Rear Type | I |
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PTO
| Rear PTO | live *Two-stage clutch |
|---|---|
| Rear PTO Type | 540 |
Electrical
| Batteries | 2 |
|---|---|
| Battery AH | 55 |
| Battery volts | 12 |
| Charging system | generator |
| Ground | negative |
Dimensions & Tires
| Front tread | 56.5 to 63 inches (143 to 160 cm) |
|---|---|
| Height | 78.74 inches (199 cm) |
| Length | 135 inches (342 cm) |
| Rear tread | 64.5/68.5 inches (163/173 cm) |
| Weight | 4000 lbs (1814 kg) |
| Wheelbase | 74.4 inches (188 cm) |
| Width | 59.06 inches (min) (150 cm) |
| Front tire | 5.50-16 |
| Rear tire | 12.2-28 |
| Weight | 4000 lbs (1814 kg) |
| Wheelbase | 74.4 inches (188 cm) |
| Ag front | 5.50-16 / 6.00-16 |
| Ag rear | 12.2-28 / 13.6-28 |
| Lawn/turf front | 27/9.5-15 |
| Lawn/turf rear | 16.9-24 |
820 Serial Number Location
| Description | Serial number plate is on the front-right on main the frame of the 820, above the front axle. |
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820 Serial Numbers
| 1956 | 8000000 (green-dash) |
|---|---|
| 1957 | 8200565 (green-dash) / 8203100 (black-dash) |
| 1958 | 8203850 (black-dash) |
| 1968 | 10000 |
| 1969 | 23100 |
| 1970 | 36000 |
| 1971 | 54000 |
| 1972 | 71850 |
| 1973 | 90200 |
| Description | FAQ: How to read a serial number table. |
| Final | 8207080 (black-dash) |
Belt Pulley
| Diameter | 12.2 inches (30 cm) |
|---|---|
| RPM | 1125 |
| Speed | 3600 ft/min (1097.28 meters/min) |
| Width | 9 inches (22 cm) |
John Deere 820 Weight
| Ballasted | 12000 lbs (5443 kg) |
|---|---|
| Operating | 8600 lbs (3900 kg) |
| Shipping | 7850 lbs (3560 kg) |
John Deere 820 attachments
| Description | blade / front-end loader / backhoe |
|---|
Nebraska Tractor Test 632
| Belt fuel use (max) | 4.2 gal/hour (15.9 l/hour) |
|---|---|
| Belt power (max) | 72.82 hp (54.3 kW) |
| Description | Diesel 6-speed 2WDOctober 14 - 18, 1957Link: Nebraska Tractor Test 632 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test. |
| Max power | 67.15 hp (50.1 kW) |
| Max pull | 8,667 lbs (3931 kg) |
References
| Description | 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) |
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Speeds
| Description | With 13.6-28 rear tires. |
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