- Vehicle type: unspecified
- Rigid chassis
- WhichTractor size: High-power
- No lab test on file
- 1956–1958
- 6,864 built
It was ranked on an engine power figure whose source does not say gross or net. WhichTractor size, not the maker’s category
We looked and the record does not say what this machine is. How we decide what a machine is
John Deere 820 Diesel specs: hp, weight, years
The manufacturer claimed 68.0 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
68.0 hp
50.7 kW as stated by the source
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “John Deere Modell 820 Diesel”, claimed
This is the maker’s own figure, measured at the engine. Power at the PTO is lower — by how much, for this machine, nobody has measured.
- Weight
- 7,851 lb
- Hyd. flow
- 8.9 gpm
- Top speed
- 12.4 mph
John Deere 820 Diesel specs: key facts
The John Deere 820 Diesel was built from 1956 to 1958.
The John Deere 820 Diesel has a claimed engine power (gross or net not stated) of 50.7 kW (68.0 hp); it has no measured PTO figure.
The John Deere 820 Diesel is two-wheel drive (2WD).
The John Deere 820 Diesel weighs 3,561 kg (7,851 lb) unladen.
The John Deere 820 Diesel has a rear PTO running at 536 rpm.
The hydraulic pump of the John Deere 820 Diesel delivers 33.7 L/min (8.9 gpm).
Source · Traktorenlexikon, “John Deere Modell 820 Diesel”
How does the 820 Diesel compare with its class?
- Limitation:
Six forward gears is low for its class — 50% below the median of 12 across the 365 machines within 10% of its power that hold this figure.
Derived by WhichTractor from 374 comparable records. How we work this out

How much horsepower does an 820 Diesel have?
The only figure for the 820 Diesel is 68.0 hp (50.7 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “John Deere Modell 820 Diesel”
How much will an 820 Diesel lift, and what is its hydraulic flow?
Hydraulic and PTO specifications for the 820 Diesel are below.
| Pump flow | 8.9 gpm · 33.7 L/min |
|---|---|
| Rear PTO | transmission-driven, 536 rpm |
Source · Traktorenlexikon, “John Deere Modell 820 Diesel”
What transmission does an 820 Diesel have?
Transmission specifications for the 820 Diesel are below.
| Steering | Power steering |
|---|---|
| Top speed | 12.4 mph · 20 km/h |
Source · Traktorenlexikon, “John Deere Modell 820 Diesel”
How much does an 820 Diesel weigh?
An 820 Diesel weighs 7,851 lb (3,561 kg) unladen.
| Unladen weight | 7,851 lb · 3,561 kg |
|---|---|
| Wheelbase | 85.2 in · 2,165 mm |
| Length | 142.8 in · 3,626 mm |
| Width | 79.5 in · 2,019 mm |
| Height | 81.0 in · 2,057 mm |
| Front track | 56.5–63.0 in · 1,435–1,600 mmthe article lists alternatives |
| Rear track | 64.5–68.5 in · 1,638–1,740 mmthe article lists alternatives |
| Turning radius, braked | 15.5 ft · 4.72 m |
Source · Traktorenlexikon, “John Deere Modell 820 Diesel”
What oil does an 820 Diesel take, and how much?
An 820 Diesel engine takes 14.1 qt (13.3 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.
| System | Capacity |
|---|---|
| Engine oil | 14.1 qt · 13.3 LSource: Traktorenlexikon, “John Deere Modell 820 Diesel” · single source, not independently verified |
| Transmission | 13.0 qt · 12.3 LSource: Traktorenlexikon, “John Deere Modell 820 Diesel” · single source, not independently verified |
| Cooling system | 32.0 qt · 30.3 LSource: Traktorenlexikon, “John Deere Modell 820 Diesel” · single source, not independently verified |
Always confirm against the operator’s manual for your machine before service.
Which tractors compare with an 820 Diesel?
Within 10% of its 68.0 hp of claimed engine power, the same type, and first built within 15 years of it.
- John Deere 80 Diesel67 hp engine, claimed · 1955–1956Side by side with the 820 Diesel →
- Lamborghini R-470 (DT)69.1 hp engine, claimed · 1969–1972Side by side with the 820 Diesel →
- John Deere 83069.6 hp engine, claimed · 1958–1960Side by side with the 820 Diesel →
- Massey Ferguson 17766.1 hp engine, claimed · 1965–1968Side by side with the 820 Diesel →
- Fiat 715 (DT)66.1 hp engine, claimed · 1966–1969Side by side with the 820 Diesel →
- SAME Leone 70 (DT)66.1 hp engine, claimed · 1967–1972Side by side with the 820 Diesel →
Common questions about the John Deere 820 Diesel
Is an 820 Diesel two-wheel drive or four-wheel drive?
The John Deere 820 Diesel is two-wheel drive (2WD).
What PTO does an 820 Diesel have?
An 820 Diesel has a 536 rpm rear PTO.
What serial numbers does an 820 Diesel carry?
The first 820 was serial number 8200000, built 10 July 1956. It does not say whether that is the tractor’s or the engine’s number, and we never work out a year from a serial number.
Sources and how this page was built
Compiled from Traktorenlexikon, “John Deere Modell 820 Diesel”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: John Deere Modell 820 Diesel — CC BY-SA 4.0, WIKIBOOKS-TL-81768 · revision 1017758. Wikibooks contributors (Traktorenlexikon). Original document