Allis Chalmers
Allis Chalmers 4W-305
The Allis Chalmers 4W-305 is a four-wheel drive (4WD) farm tractor produced from 1982 to 1985. It features a powerful 305 hp turbocharged diesel engine, a 20-speed two-speed power shift transmission, and advanced hydraulics with closed center load-sensing. The tractor includes a standard cab with air-conditioning, wet disc brakes, and planetary final drives. It has a large fuel tank capacity of 200 gallons and offers various tire options. The 4W-305 is designed for heavy-duty agricultural tasks with a robust build and high power output.
Power305 hp
Founded1982 - 1985
Model4W-305
Technical Specifications
Detailed specifications and technical data for Allis Chalmers 4W-305
Power
| Engine | 305 hp (227.4 kW) |
|---|---|
| PTO (claimed) | 250 hp (186.4 kW) |
Tires
| Ag rear | 18.4x38, 23.1x30 |
|---|---|
| Ag front | 18.4x38, 23.1x30 |
| Other rear | 24.5x32, 30.5x32, 20.8x38 |
| Other front | 24.5x32, 30.5x32, 20.8x38 |
Engine
| Type | turbocharged diesel |
|---|---|
| Model | Allis Chalmers 6120T |
| Power | 305 hp (227.4 kW) |
| Cooling | liquid-cooled inline |
| Idle RPM | 950-2580 |
| Cylinders | 6-cylinder |
| Fuel tank | 200 gal (757.0 L) |
| Rated RPM | 2300 |
| Air cleaner | dry |
| Bore/Stroke | 5.25x5.625 inches (133 x 143 mm) |
| Compression | 16.25:1 |
| Displacement | 731 ci (12.0 L) |
| Oil capacity | 60 qts (56.8 L) |
| Starter volts | 12 |
| Coolant capacity | 72 qts (68.1 L) |
Dimensions
| Length | 285 inches (723 cm) |
|---|---|
| Rear axle | 95.5 inch length (2425 mm), 119.5 inch length (3035 mm) |
| Wheelbase | 126 inches (320 cm) |
| Front axle | 95.5 inch length (2425 mm), 119.5 inch length (3035 mm) |
| Height (cab) | 139 inches (353 cm) |
| Height (hood) | 97 inches (246 cm) |
| Shipping weight | 27100 lbs (12292 kg) |
| Clearance (rear axle) | 29.9 inches (75 cm) |
| Clearance (front axle) | 25.8 inches (65 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
| Charging system | alternator |
Hydraulics
| Type | closed center load-sensing |
|---|---|
| Valves | 3 |
| SCV flow | 21 gpm (79.5 lpm) |
| Total flow | 92 gpm (348.2 lpm) |
Mechanical
| Cab | standard with air-conditioning |
|---|---|
| Brakes | Wet disc brakes |
| Final drives | planetary |
| Four-wheel drive | Yes |
Production
| Type | Four-wheel Drive (4WD) tractor |
|---|---|
| Years made | 1982 - 1985 |
| Original price | $93,685 |
Transmission
| Type | two-speed power shift |
|---|---|
| Gears | 20 forward and 4 reverse |
| Transmission | Power Director |
Tractor hitch
| Rear Type | IV/III Optional |
|---|
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 1000 (1.75) |
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