SPECS / COMPARISON
John Deere 2840 vs AGCO 6690
A detailed comparison of the John Deere 2840 and the AGCO 6690. Click a model name to view its full specifications.
Horsepower
John Deere 284066.4 kW (89.1 HP)
AGCO 669064.8 kW (86.9 HP)
| Specification | John Deere 2840 Agricultural Tractors | AGCO 6690 Agricultural Tractors |
|---|---|---|
| Tractor Type | Utility Tractor | Utility Tractor |
| Horsepower | 66.4 kW (89.1 HP) | 64.8 kW (86.9 HP) |
| Weight | 3945.0 kg (8697.2 lbs) | — |
| Transmission Type | Sliding gear | — |
| Length | 406.0 cm (159.8 in.) | 408.0 cm (160.6 in.) |
| Pump Flow | 87.1 LPM (23.0 GPM) | 42.5 LPM (11.2 GPM) |
| Years Made | 1977-1979 | 1991-1997 |
| Engine Model | John Deere | SLH 1000.4-AT |
| Engine Type | 4-stroke, liquid-cooled, inline | 4-stroke, air-cooled, inline |
| Fuel Type | Diesel | Diesel |
| Cylinders | 6 | 4 |
| Displacement | 5391 cc (329.0 cu in.) | 3998 cc (244.0 cu in.) |
| Bore | 10.21 cm (4.02 in.) | 10.49 cm (4.13 in.) |
| Stroke | 11.00 cm (4.33 in.) | 11.61 cm (4.57 in.) |
| Rear PTO Type | Independent with hydraulic clutch | Independent with hydraulic wet disc clutch |
| Rear PTO Speed | 540 /1.000 RPM | 540 /1000 RPM |
| Rated RPM | 2500 RPM | 2500 RPM |
| Compression Ratio | 17.0:1 | — |
| Battery | Two 12V | 12 V, 100Ah |
| Starter | Electric | Electric |
| Height | 187.0 cm (73.6 in.) | 282.0 cm (111.0 in.) |
| Wheelbase | 246.0 cm (96.9 in.) | 235.0 cm (2WD: 96.1 in. (244.0 cm) 4WD: 92.5 in.) |
| Fuel Tank Capacity | 106.0 l (28.0 gal) | 107.0 l (28.3 gal) |
| Coolant Capacity | 4.7 l (1.2 gal) | — |
| Hydraulic Capacity | 48.8 l (12.9 gal) | 57.5 l (15.2 gal) |
| Final Drive | Planetary | — |
| Gears | 6 forward and 3 reverse | 16 forward and reverse |
| Chassis | 4×2 2WD | 4×2 2WD or 4×4 MFWD 4WD |
| Max. Travel Speed | 9.5 km/h (Forward: 17.6 MPH (28.3 km/h) Reverse: 5.9 MPH) | 28.5 km/h (Forward: 17.7 MPH) |
| Brakes | Differential hydraulic wet disc | Hydraulic wet disc |
| Differential Lock | Mechanical rear | — |
| Drawbar Category | II | II/I |
| Cabin Type | Open operator station or two-post Roll-Gard ROPS | Flat-deck with four-post ROPS or Cab |
| Hitch Type | Draft sensing | Position and draft control with lower-link sensing |
| Steering Type | Power assist | Hydrostatic power |
| Front Tires | Ag: 7.50-18 | Ag: 7.50-18 , 14.9R24 |
| Rear Tires | Ag: 18.4-34 | Ag: 16.9R34 |
| Hydraulic Type | Closed center | Open center |
| Valves | 2 | 2 |
| Lift Capacity | — | 3080.0 kg (6790.2 lbs) |
| Width | — | 209.0 cm (82.3 in.) |
| Ground Clearance | — | 44.0 cm (17.3 in.) |
| Oil Capacity | — | 8.7 l (2.3 gal) |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.