The John Deere 820 is a 2WD utility tractor manufactured by John Deere in Mannheim, Baden-Württemberg, Germany from 1968 to 1973. The John Deere 820 is equipped with a 2.5 L (151.9 cu·in) three-cylinder diesel engine and one of two transmissions: a sliding gear transmission with 7 forward and 1 reverse gears or a collar shift transmission with 8 forward and 4 reverse gears.
The JD 820 utility tractor used the John Deere diesel engine. It is a 2.5 L, 2,489 cm2, (151.9 cu·in) three-cylinder natural aspirated diesel engine with 98.0 mm (3.86 in) of the cylinder bore and 110.0 mm (4.33 in) of the piston stroke. The compression ratio rating is 16.7:1. This engine produced 32.5 PS (23.9 kW; 32.0 HP) at 2,100 rpm of output power.
Following attachments are available for the John Deere 820 utility tractor:
- Front-mount John Deere 523: 1,820 mm (72 in) blade
- John Deere 37 loader
- John Deere 165 backhoe
John Deere 820 Specifications
| General Specifications | |
| Model | John Deere 820 |
| Length | 3,420 mm (134.6 in) |
| Width | 2,050 mm (80.7 in) |
| Height | 1,990 mm (78.3 in) |
| Wheel base | 1,880 mm (74 in) |
| Weight | – |
| Fuel tank capacity | 62.5 liters (16.5 US gal.; 13.7 Imp. gal) |
| Battery | Two 12V, 55Ah |
| Cabin type | Open operator station or ROPS (optional) |
| Engine | |
| Engine model | John Deere |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 3 |
| Fuel type | Diesel |
| Displacement | 2.5 L, 2,489 cm2, (151.9 cu·in) |
| Bore and stroke | 98.0 mm X 110.0 mm (3.86 in X 4.33 in) |
| Compression ratio | 16.7:1 |
| Horsepower | 32.5 PS (23.9 kW; 32.0 HP) at 2,100 rpm |
| Starter | Electric |
| Oil capacity: | 6.2 L (6.6 US. qt, 5.5 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | – |
| Brakes | – |
| Differential lock | Mechanical rear |
| Transmission model | – |
| Transmission type | Sliding gear |
| Gears | 7 forward and 1 reverse |
| Transmission model | – |
| Transmission type | Collar shift |
| Gears | 8 forward and 4 reverse |
| Tires | |
| Front tires | Ag: 5.50-16, 6.00-16 Lawn/turf: 27/9.5-15, 23/10.5-12 |
| Rear tires | Ag: 12.2-28, 13.6-28 Lawn/turf: 16.9-24, 16.5L-16 |
| Three-Point Hitch | |
| Category | I |
| Control type | – |
| Lift capacity (at ends) | – |
| PTO (Power take-off shaft) | |
| Rear PTO type | Live |
| Rear PTO speed | 540 rpm |
| Hydraulic system | |
| Hydraulic type | Open center |
| Hydraulic capacity | 37.9 L (10 US. gal, 8.3 Imp. gal.) |

Want manufacturers year for John Deere 820 tractors with serial #s 058821L and 053083L