Allis-Chalmers 4W-305 Specs ( 1982-1985 )
Overview
The Allis-Chalmers 4W-305 is a 4WD farm tractor produced between 1982 and 1985, featuring a 305 hp 12.0L 6-cylinder turbocharged diesel engine. It is equipped with a 20-speed Power Director transmission and a closed center load-sensing hydraulic system with a total flow of 92 gpm. The unit has a shipping weight of 27,100 lbs and was originally listed with a price of $93,685.
Ideal Applications
Engine and Fuel Specifications:
The 731 ci liquid-cooled inline engine is rated at 305 hp and utilizes a 200-gallon fuel tank with a 60-quart oil capacity.
Transmission and PTO Configuration:
The Power Director two-speed power shift transmission provides 20 forward gears and is paired with a 1000 RPM independent rear PTO rated at 250 hp.
Chassis and Hydraulic Dimensions:
This tractor features a 126-inch wheelbase, planetary final drives, and a hydraulic system that includes three valves and a 21 gpm SCV flow.
Production
| Drive type | Four-wheel Drive (4WD) tractor |
|---|---|
| Manufacturer | Allis Chalmers |
| Original price | $93,685 |
Engine
| Engine type | Allis Chalmers 12.0L 6-cyl diesel |
|---|---|
| Fuel tank | 200 gal (757.0 L) |
| Air cleaner | dry |
| Bore/Stroke | 5.25x5.625 inches (133 x 143 mm) |
| Compression | 16.25:1 |
| Coolant capacity | 72 qts (68.1 L) |
| Description | Allis Chalmers 6120T / turbocharged diesel / 6-cylinder / liquid-cooled inline |
| Displacement | 731 ci (12.0 L) |
| Idle RPM | 950-2580 |
| Oil capacity | 60 qts (56.8 L) |
| Power | 305 hp (227.4 kW) |
| Rated RPM | 2300 |
| Starter volts | 12 |
| PTO (claimed) | 250 hp (186.4 kW) |
Transmission
| Gears | 20 forward and 4 reverse |
|---|---|
| Transmission | Power Director |
| Transmission type | 20-speed two-speed power shift |
| Type | two-speed power shift |
Mechanical
| Cab | Cab standard with air-conditioning. |
|---|---|
| Description | Wet disc brakes |
| Drive type | Four-wheel drive |
| Final drives | planetary |
Hydraulics
| SCV flow | 21 gpm (79.5 lpm) |
|---|---|
| Total flow | 92 gpm (348.2 lpm) |
| Type | closed center load-sensing |
| Valves | 3 |
Hitch
| Rear Type | IV/III OptOptional |
|---|
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 1000 (1.75) |
Electrical
| Battery volts | 12 |
|---|---|
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Ag front | 18.4x38 / 23.1x30 |
|---|---|
| Ag rear | 18.4x38 / 23.1x30 |
| Clearance (front axle) | 25.8 inches (65 cm) |
| Clearance (rear axle) | 29.9 inches (75 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) |
| Length | 285 inches (723 cm) |
| Rear axle | 95.5 inch length (2425 mm) / 119.5 inch length (3035 mm) |
| Shipping weight | 27100 lbs (12292 kg) |
| Wheelbase | 126 inches (320 cm) |
| Front tire | 18.4x38 |
| Rear tire | 18.4x38 |
| Weight | 27100 lbs (12292 kg) |
| Wheelbase | 126 inches (320 cm) |
4W-305 Serial Numbers
| 1982 | 1001 |
|---|---|
| 1983 | 1112 |
| 1984 | 1176 |
| Description | FAQ: How to read a serial number table. |
| Location: | Front frame, on rear left side |
References
| Description | 4W-220 & 4W-305 - Super strength with super style. published in 1982, by Allis Chalmers |
|---|
Speeds
| Description | With 20.8x38 tires. |
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