SPECS / COMPARISON
John Deere 7400 vs Allis Chalmers HD6
A detailed comparison of the John Deere 7400 and the Allis Chalmers HD6. Click a model name to view its full specifications.
Weight
John Deere 74005775.0 kg (SyncroPlus: 12665.5 lbs (5745.0 kg) PowrQuad: 12731.7 lbs)
Allis Chalmers HD66080.0 kg (13404.1 lbs)
| Specification | John Deere 7400 Agricultural Tractors | Allis Chalmers HD6 Agricultural Tractors |
|---|---|---|
| Tractor Type | Row-Crop Tractor | Agricultural Crawler Tractor |
| Horsepower | 74.7 kW (100.1 HP) | — |
| Weight | 5775.0 kg (SyncroPlus: 12665.5 lbs (5745.0 kg) PowrQuad: 12731.7 lbs) | 6080.0 kg (13404.1 lbs) |
| Lift Capacity | 3110.0 kg (6856.4 lbs) | — |
| Transmission Type | Four-speed power shift with hydraulic wet disc clutch | Power shift |
| Years Made | 1993-1996 | 1955-1974 |
| Engine Model | John Deere 6068 | Allis-Chalmers |
| Engine Type | 4-stroke, liquid-cooled, inline | 4-stroke, liquid-cooled, inline |
| Fuel Type | Diesel | Diesel |
| Cylinders | 6 | 4 |
| Displacement | 6784 cc (414.0 cu in.) | 5637 cc (344.0 cu in.) |
| Bore | 10.59 cm (4.17 in.) | 11.30 cm (4.45 in.) |
| Stroke | 12.70 cm (5.00 in.) | 14.10 cm (5.55 in.) |
| Rear PTO Type | Independent | — |
| Rear PTO Speed | 540 /1000 RPM | — |
| Rated RPM | 2100 RPM | — |
| Compression Ratio | 17.8:1 | Natural aspirated: 15.0:1Turbocharged: 16.25:1 |
| Battery | 12 V | Two 12V |
| Starter | Electric | Electric |
| Wheelbase | 284.0 cm (111.8 in.) | — |
| Fuel Tank Capacity | 204.4 l (54.0 gal) | 140.0 l (37.0 gal) |
| Hydraulic Capacity | 3.0 l (2 or 0.8 gal) | — |
| Transmission Model | PowrQuad | — |
| Gears | 16 forward and 12 reverse | 2 forward and 2 reverse |
| Chassis | 4×2 2WD or 4×4 MFWD 4WD | Crawler |
| Max. Travel Speed | 16.9 km/h (Forward: 18.5 MPH (29.7 km/h) Reverse: 10.5 MPH) | — |
| Brakes | Independent hydraulic wet disc | — |
| Drawbar Category | II/IIIN | — |
| Cabin Type | Cab with air-conditioning | Open operator station |
| Steering Type | Power | — |
| Front Tires | Ag: 10.00-16 | — |
| Rear Tires | Ag: 18.4-38 | — |
| Hydraulic Type | Closed center | — |
| Length | — | 322.0 cm (126.8 in.) |
| Height | — | 167.0 cm (65.7 in.) |
| Coolant Capacity | — | 14.2 l (3.8 gal) |
| Hitch Type | — | Tracks |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.