SPECS / COMPARISON
John Deere 4020 vs International Harvester 3688
A detailed comparison of the John Deere 4020 and the International Harvester 3688. Click a model name to view its full specifications.
Weight
John Deere 40206340.0 kg (13977.3 lbs)
International Harvester 36885990.0 kg (13205.7 lbs)
| Specification | John Deere 4020 Agricultural Tractors | International Harvester 3688 Agricultural Tractors |
|---|---|---|
| Tractor Type | Farm Tractor | Row-Crop Tractor |
| Weight | 6340.0 kg (13977.3 lbs) | 5990.0 kg (13205.7 lbs) |
| Lift Capacity | 1720.0 kg (3791.9 lbs) | — |
| Transmission Type | Full power shift | Partial power shift with cerametallic disc clutch |
| Length | 383.0 cm (150.8 in.) | 467.0 cm (183.9 in.) |
| Years Made | 1963-1972 | 1981-1985 |
| Engine Model | John Deere | International Harvester D436 |
| Engine Type | 4-stroke, liquid-cooled, inline | 4-stroke, liquid-cooled, inline |
| Fuel Type | Gasoline / LPG | Diesel |
| Cylinders | 6 | 6 |
| Displacement | 5930 cc (361.9 cu in.) | 7145 cc (436.0 cu in.) |
| Bore | 10.79 cm (4.25 in.) | 10.90 cm (4.29 in.) |
| Stroke | 10.79 cm (4.25 in.) | 12.70 cm (5.00 in.) |
| Rear PTO Type | Independent | Independent |
| Rear PTO Speed | 540 /1000, 1000 RPM | 540 /1000 RPM |
| Front PTO Type | Independent | — |
| Front PTO Speed | 1000 rpm | — |
| Compression Ratio | Gas: 7.5:1LPG: 9.0:1 | 16.0:1 |
| Battery | 12 V 75A | 12 V |
| Starter | Electric | Electric |
| Height | 198.0 cm (Row-crop: 77.6 in. (197.0 cm) Standard: 78.0 in.) | 284.0 cm (Cab Height: 111.8 in.) |
| Wheelbase | 254.0 cm (Row-crop: 97.2 in. (247.0 cm) Standard: 100.0 in.) | 266.0 cm (104.7 in.) |
| Fuel Tank Capacity | 170.2 l (Diesel/gasoline: 34.0 gal (128.7 l) LPG: 45.0 gal) | 189.3 l (50.0 gal) |
| Oil Capacity | 8.5 l (2.2 gal) | 13.2 l (3.5 gal) |
| Coolant Capacity | 22.7 l (6.0 gal) | 24.6 l (6.5 gal) |
| Transmission Oil Capacity | 64.4 l (17.0 gal) | 85.2 l (22.5 gal) |
| Hydraulic Capacity | 45.4 l (Syncro-Range: 10.0 gal (37.9 l) Power Shift: 12.0 gal) | 85.2 l (22.5 gal) |
| Transmission Model | John Deere Power Shift | — |
| Gears | 8 forward and 4 reverse | 16 forward and 8 reverse |
| Chassis | 4×2 2WD or 4×4 HFWD 4WD | 4×2 2WD or 4×4 MFWD 4WD |
| Max. Travel Speed | 7.9 km/h (Forward: 20.5 MPH (33.0 km/h) Reverse: 4.9 MPH) | 15.1 km/h (Forward: 19.1 MPH (30.7 km/h) Reverse: 9.4 MPH) |
| Brakes | Hydraulic wet disc | Hydraulic wet disc |
| Drawbar Category | II | II |
| Cabin Type | Open operator station. Cabin was available as an option. | Cab with heat and A/C |
| Steering Type | Power | Power |
| Front Tires | Ag: 6.00-16 ; 7.50-18 | Ag: 11L-15 |
| Rear Tires | Ag: 15.5-38 ; 18.4-34 | Ag: 18.4-34 |
| Hydraulic Type | Closed center | Open center |
| Total Flow | 68.1 LPM (18.0 GPM) | 102.2 LPM (27.0 GPM) |
| Working Pressure | 155.1 bar (2250.0 psi) | — |
| Valves | 1 | 2 to 4 |
| Horsepower | — | 84.3 kW (113.0 HP) |
| Pump Flow | — | 68.1 LPM (18.0 GPM) |
| Rated RPM | — | 2400 RPM |
| Ground Clearance | — | 33.0 cm (13.0 in.) |
| Hitch Type | — | Draft sensing |
| Steering Flow | — | 45.4 LPM (12.0 GPM) |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.