SPECS / COMPARISON
John Deere 620 vs Farmall M
A detailed comparison of the John Deere 620 and the Farmall M. Click a model name to view its full specifications.
Weight
John Deere 6203085.0 kg (6801.3 lbs)
Farmall M3070.0 kg (6768.2 lbs)
| Specification | John Deere 620 Agricultural Tractors | Farmall M Agricultural Tractors |
|---|---|---|
| Tractor Type | Row-Crop Tractor | Row-Crop Tractor |
| Weight | 3085.0 kg (6801.3 lbs) | 3070.0 kg (6768.2 lbs) |
| Transmission Type | Unsynchronized gear with mechanical dry disc clutch | Sliding gear |
| Length | 373.0 cm (Standard: 135.0 in. (343.0 cm) High-crop: 146.9 in.) | 337.0 cm (132.7 in.) |
| Pump Flow | 33.7 LPM (8.9 GPM) | — |
| Years Made | 1956-1958 | 1939-1954 |
| Engine Model | John Deere | International Harvester C248 |
| Engine Type | 4-stroke, liquid-cooled, inline | 4-stroke, liquid-cooled, inline |
| Fuel Type | Gasoline | Gasoline |
| Cylinders | 2 | 4 |
| Displacement | 4965 cc (303.0 cu in.) | 4059 cc (247.7 cu in.) |
| Bore | 14.00 cm (5.51 in.) | 9.80 cm (3.86 in.) |
| Stroke | 16.21 cm (6.38 in.) | 13.31 cm (5.24 in.) |
| Rear PTO Speed | 540 RPM | 540 RPM |
| Battery | Two 6V | 6 V |
| Starter | Electric | — |
| Height | 245.0 cm (Standard: 87.8 in. (223.0 cm) High-crop: 96.5 in.) | 198.0 cm (78.0 in.) |
| Wheelbase | 228.0 cm (89.8 in.) | — |
| Fuel Tank Capacity | 125.0 l (All-fuel: 20.5 gal (77.6 l) Gasoline: 22.2 gal (84.2 l) LP-gas: 33.0 gal) | 79.5 l (21.0 gal) |
| Oil Capacity | 7.6 l (2.0 gal) | 7.6 l (2.0 gal) |
| Coolant Capacity | 24.6 l (6.5 gal) | 22.7 l (6.0 gal) |
| Transmission Oil Capacity | 22.7 l (6.0 gal) | — |
| Transmission Model | John Deere | — |
| Gears | 6 forward and 1 reverse | 5 forward and 1 reverse |
| Chassis | 4×2 2WD | 4×2 2WD |
| Max. Travel Speed | 4.8 km/h (Forward: 11.5 MPH (18.5 km/h) Reverse: 3.0 MPH) | 5.0 km/h (Forward: 16.3 MPH (26.3 km/h) Reverse: 3.1 MPH) |
| Brakes | Differential mechanical contracting band | Mechanical contracting band |
| Drawbar Category | II | — |
| Cabin Type | Open operator station | Open operator station |
| Steering Type | Power assist | Manual |
| Front Tires | Ag: 6.00-16, 7.50-20 | Ag: 6.00-16, 22.50×4 |
| Rear Tires | Ag: 12.4-38, 13-30 | Ag: 11-38, 51×8 , 10-38, 12-38, 11.25-36 |
| Working Pressure | 82.7 bar (1200.0 psi) | 55.2 bar (Early: 500.0 psi (34.5 bar) Later: 800.0 psi) |
| Valves | 1 or 2 | — |
| Compression Ratio | — | 5.65:1 |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.