The Allis Chalmers 440 is a 2WD four-wheel drive tractor manufactured by Steiger for distributor Allis Chalmers in Fargo, North Dakota, USA from 1973 to 1977. The Allis Chalmers 440 is equipped with a 9.1 L (555.0 cu·in) diesel engine and a transmission with 10 forward and 2 reverse gears.
The AC 440 tractor used the Cummins 555C engine. It is a 9.1 L, 9,094 cm2, (555.0 cu·in) turbocharged diesel engine with 117.0 mm (4.61 in) of the cylinder bore and 105.0 mm (4.13 in) of the piston stroke. The compression ratio rating is 17.0:1. This engine produced 221.1 PS (162.6 kW; 218.0 HP) at 2,800 rpm of output power.
The Allis Chalmers 440 is equipped with articulated hydraulic power steering, hydraulic disc brakes, and cab (standard).
Allis Chalmers 440 Specifications
| General Specifications | |
| Model | Allis Chalmers 440 |
| Length | 5,790 mm (228 in) |
| Width | 2,660 mm (104.7 in) |
| Height | 3,530 mm (139 in) |
| Wheel base | – |
| Weight | 9,180 kg (20,238 lbs) |
| Fuel tank capacity | – |
| Battery | – |
| Cabin type | Cab (standard), available air-conditioning |
| Engine | |
| Engine model | Cummins 555C |
| Engine type | Four-stroke, liquid-cooled, V |
| Cylinders | 8 |
| Fuel type | Diesel |
| Displacement | 9.1 L, 9,094 cm2, (555.0 cu·in) |
| Bore and stroke | 117.0 mm X 105.0 mm (4.61 in X 4.13 in) |
| Compression ratio | 17.0:1 |
| Horsepower | 221.1 PS (162.6 kW; 218.0 HP) at 2,800 rpm |
| Starter | Electric |
| Transmission and chassis | |
| Chassis | 4×4 MFWD 4WD |
| Steering type | Articulated hydraulic power |
| Brakes | Hydraulic disc |
| Final drive | Outboard planetary |
| Transmission model | Eaton |
| Transmission type | – |
| Gears | 10 forward and 2 reverse |
| Tires | |
| Front tires | Ag: 23.1-26 |
| Rear tires | Ag: 23.1-26 |
| Three-Point Hitch | |
| Caterogy | III/IV |
| Control type | – |
| Lift capacity (at ends) | – |
| Hydraulic system | |
| Hydraulic type | Open center |
| Pressure | 2000 psi (137.9 bar) |
| Valves | 3 |
| Pump flow | 21.0 gpm (79.5 lpm) |
| Steering flow | 16.0 gpm (60.6 lpm) |
| Total flow | 37.0 gpm (140.1 lpm) |
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