SPECS / COMPARISON
John Deere 8630 vs John Deere 8640
A detailed comparison of the John Deere 8630 and the John Deere 8640. Click a model name to view its full specifications.
Horsepower
John Deere 8630205.1 kW (275.1 HP)
John Deere 8640205.1 kW (275.1 HP)
Weight
John Deere 863011110.0 kg (24493.3 lbs)
John Deere 864012820.0 kg (28263.2 lbs)
| Specification | John Deere 8630 Agricultural Tractors | John Deere 8640Agricultural Tractors |
|---|---|---|
| Tractor Type | Farm Tractor | Farm Tractor |
| Horsepower | 205.1 kW (275.1 HP) | 205.1 kW (275.1 HP) |
| Weight | 11110.0 kg (24493.3 lbs) | 12820.0 kg (28263.2 lbs) |
| Transmission Type | Partial power shift with hydraulic wet disc clutch | Partial power shift with hydraulic wet disc clutch |
| Length | 567.0 cm (223.2 in.) | 567.0 cm (223.2 in.) |
| Pump Flow | 124.9 LPM (33.0 GPM) | 124.9 LPM (33.0 GPM) |
| Years Made | 1975-1978 | 1979-1982 |
| Engine Model | John Deere | John Deere |
| Engine Type | 4-stroke, liquid-cooled, inline | 4-stroke, liquid-cooled, inline |
| Fuel Type | Diesel | Diesel |
| Cylinders | 6 | 6 |
| Displacement | 10144 cc (619.0 cu in.) | 10140 cc (618.8 cu in.) |
| Bore | 13.00 cm (5.12 in.) | 13.00 cm (5.12 in.) |
| Stroke | 12.70 cm (5.00 in.) | 12.70 cm (5.00 in.) |
| Rear PTO Type | Independent | Independent |
| Rear PTO Speed | 1.000 RPM | 1000 RPM |
| Rated RPM | 2100 RPM | 2100 RPM |
| Compression Ratio | 15.4:1 | 15.2:1 |
| Battery | Two 6V, CCA 975A | 12 V |
| Starter | Electric | Electric |
| Height | 341.0 cm (Cab Height: 134.3 in.) | 321.0 cm (Cab Height: 126.4 in.) |
| Wheelbase | 317.0 cm (124.8 in.) | 317.0 cm (124.8 in.) |
| Ground Clearance | 49.0 cm (19.3 in.) | 46.0 cm (18.1 in.) |
| Fuel Tank Capacity | 590.5 l (156.0 gal) | 810.0 l (214.0 gal) |
| Coolant Capacity | 41.6 l (11.0 gal) | 45.4 l (12.0 gal) |
| Hydraulic Capacity | 98.4 l (26.0 gal) | 155.2 l (41.0 gal) |
| Transmission Model | John Deere Quad-Range | John Deere Quad-Range |
| Gears | 16 forward and 4 reverse | 16 forward and 6 reverse |
| Chassis | 4×4 articulated 4WD | 4×4 MFWD 4WD |
| Max. Travel Speed | 17.9 km/h (Forward: 20.3 MPH (32.7 km/h) Reverse: 11.1 MPH) | 21.7 km/h (Forward: 20.2 MPH (32.5 km/h) Reverse: 13.5 MPH) |
| Brakes | Hydraulic wet disc | Hydraulic wet disc |
| Drawbar Category | III | III/IIIN |
| Cabin Type | Sound-Gard cab | Cab |
| Steering Type | Hydraulic power | Articulated power |
| Front Tires | Ag: 18.4-34 | Ag: 18.4-34 |
| Rear Tires | Ag: 18.4-34 | Ag: 18.4-34 |
| Hydraulic Type | Closed center constant pressure | Closed center |
| Valves | 2 | 2 |
| Lift Capacity | — | 3875.0 kg (8542.9 lbs) |
| Oil Capacity | — | 24.6 l (6.5 gal) |
| Transmission Oil Capacity | — | 155.2 l (41.0 gal) |
| Differential Lock | — | Hydraulic front and rear |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.