SPECS / COMPARISON
John Deere 7830 vs Allis Chalmers 440
A detailed comparison of the John Deere 7830 and the Allis Chalmers 440. Click a model name to view its full specifications.
Horsepower
John Deere 7830152.9 kW (205.1 HP)
Allis Chalmers 440162.6 kW (218.1 HP)
Weight
John Deere 78308042.0 kg (17729.6 lbs)
Allis Chalmers 4409180.0 kg (20238.4 lbs)
| Specification | John Deere 7830 Agricultural Tractors | Allis Chalmers 440 Agricultural Tractors |
|---|---|---|
| Tractor Type | Row-Crop Tractor | Farm Tractor |
| Horsepower | 152.9 kW (205.1 HP) | 162.6 kW (218.1 HP) |
| Weight | 8042.0 kg (17729.6 lbs) | 9180.0 kg (20238.4 lbs) |
| Lift Capacity | 6350.0 kg (10053.1 lbs (4560.0 kg) 13999.3 lbs) | — |
| Transmission Type | Infinitely Variable Transmission | — |
| Length | 571.0 cm (224.8 in.) | 579.0 cm (228.0 in.) |
| Years Made | 2007-2011 | 1973-1977 |
| Engine Model | John Deere | Cummins 555C |
| Engine Type | 4-stroke, liquid-cooled, inline | 4-stroke, liquid-cooled, V |
| Fuel Type | Diesel | Diesel |
| Cylinders | 6 | 8 |
| Displacement | 6784 cc (414.0 cu in.) | 9094 cc (555.0 cu in.) |
| Bore | 10.59 cm (4.17 in.) | 11.71 cm (4.61 in.) |
| Stroke | 12.70 cm (5.00 in.) | 10.49 cm (4.13 in.) |
| Rear PTO Type | Independent with hydraulic wet disc clutch | — |
| Rear PTO Speed | 1000, 540/1000 RPM | — |
| Rated RPM | 2100 RPM | 2800 RPM |
| Compression Ratio | 17.0:1 | 17.0:1 |
| Battery | Two 12V, CCA 925A | — |
| Starter | Electric | Electric |
| Height | 310.0 cm (Cab: 122.0 in.) | 353.0 cm (139.0 in.) |
| Wheelbase | 286.0 cm (112.6 in.) | — |
| Ground Clearance | 69.0 cm (Front axle: 27.2 in.) | — |
| Fuel Tank Capacity | 390.0 l (103.0 gal) | — |
| Oil Capacity | 26.0 l (6.9 gal) | — |
| Hydraulic Capacity | 107.9 l (28.5 gal) | — |
| Gears | Infinite forward and reverse | 10 forward and 2 reverse |
| Chassis | 4×4 MFWD 4WD | 4×4 MFWD 4WD |
| Max. Travel Speed | 43.5 km/h (Forward: 26.0 MPH (41.9 km/h) Reverse: 27.0 MPH) | — |
| Brakes | Hydraulic wet disc | Hydraulic disc |
| Drawbar Category | III | III/IV |
| Cabin Type | Cab | Cab , available air-conditioning |
| Steering Type | Power | Articulated hydraulic power |
| Front Tires | Ag: 420/90R30 | Ag: 23.1-26 |
| Rear Tires | Ag: 480/80R46 | Ag: 23.1-26 |
| Hydraulic Type | Closed center load-sensing | Open center |
| Total Flow | 170.3 LPM (32.0 GPM (121.1 LPM) 45.0 GPM) | 140.1 LPM (37.0 GPM) |
| SCV Flow | 113.6 LPM (30.0 GPM) | — |
| Working Pressure | 199.9 bar (2900.0 psi) | 137.9 bar (2000.0 psi) |
| Valves | 2 to 7 | 3 |
| Pump Flow | — | 79.5 LPM (21.0 GPM) |
| Width | — | 266.0 cm (104.7 in.) |
| Transmission Model | — | Eaton |
| Final Drive | — | Outboard planetary |
| Steering Flow | — | 60.6 LPM (16.0 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.