Allis Chalmers 4W-305

Last Updated: June 2024

Overview

The Allis Chalmers 4W-305 is a large, powerful 4WD tractor that was manufactured between 1982 and 1985. It features a 731 cubic inch, six-cylinder turbocharged diesel engine that delivers 305 horsepower. The tractor is equipped with a hydraulic power steering system for easier maneuverability and a comfortable standard cab for the operator. With a hefty operating weight of over 27,000 pounds, a long wheelbase of 126 inches, and articulated 4WD chassis, the 4W-305 is designed to handle tough farming tasks efficiently. The tractor has a two-speed power shift transmission, providing 20 forward and 4 reverse gears, facilitating a wide range of speeds and torques for different agriculture activities. The cooling system can hold up to 72 quarts to effectively manage the engine heat and maintain performance. Drawing on its robust design, the Allis Chalmers 4W-305 could be used for a variety of tasks, from heavy field work to hauling. Its large tires (18.4x38) are well-suited for agricultural settings, providing stability and traction on difficult terrains. The closed center load-sensing hydraulic system and the powerful 1000 rpm independent PTO make it capable of running various implements. This model remains a testament to the Allis Chalmers brand's tradition of building durable and reliable agricultural machinery.
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Key Specifications

Category: Utility, Four-Wheel Drive

Power Output: 305

Transmission: Two-speed power shift

Drive Type: 4WD

Operating Weight: 27100

Fuel Type: Diesel

Allis Chalmers 4W-305 vs. Similar Tractors

Power Output
Excellent
Greater than 94% of similar tractors.
Operating Weight
Above Average
Greater than 72% of similar tractors.

Technical Specifications

Engine

Manufacturer
Allis Chalmers
Model
6120T
Cooling Type
Liquid-cooled
Cylinder Orientation
Inline
Valve Configuration
-
Fuel Type
Diesel
Induction Type
Turbocharged
Cylinders
6
Displacement (ci)
731
Bore (in)
5.25
Stroke (in)
5.625
Rated RPM
2300
Power Output (hp)
305

Transmission

Type
Two-speed power shift
Forward Gears
20
Reverse Gears
4
Total Gears
-

Dimensions

Length (in)
285
Width (in)
-
Height (in)
139 (height with cab)
Operating Weight (lb)
27100

Power Take-Off (PTO)

PTO Type
Independent
PTO Speed 1 (rpm)
1000
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x4 articulated 4WD
Drive Type
4WD
Steering Type
Hydraulic power
Coolant Capacity (qts)
72
Front Tire Diameter (in)
38
Front Tire Width (in)
-
Rear Tire Diameter (in)
38
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
Ag
Manufacture - End Year
1985
Hitch Type
Rear Type: III/IV* (potentially Three-Point Hitch as common in tractors, but this is not confirmed)
Hitch Category
III/IV*
Hitch Position
Rear
Hitch Capacity (lb)
-
Operator Station Type
Cab (standard)
Starter Type
Electric
Brake Type
-
Hydraulic System Type
Closed center load-sensing