Brand siblingUtilityPerformance profile
Allis Chalmers 4W-305
The Allis Chalmers 4W-305 is a powerful utility tractor built from 1982 to 1985. It features a strong 6-cylinder diesel engine that produces 305 hp at 2300 rpm. This engine is turbocharged and has a very high displacement of 731 ci, making it one of the most powerful in its class. The tractor has a 4x4 articulated chassis with four-wheel drive, giving it excellent traction in tough conditions. This tractor is designed for serious work. It has a two-speed power shift transmission with 20 forward and 4 reverse gears, allowing for smooth operation in various tasks. The 4W-305 is equipped with a three-point hitch at the rear, capable of handling category III/IV implements. It also has an independent PTO that runs at 1000 rpm, perfect for powering a wide range of attachments. The tractor's closed center load-sensing hydraulic system ensures efficient operation of hydraulic equipment. With its cab and hydraulic power steering, the 4W-305 offers comfort and ease of use for long work days.
ManufacturerAllis ChalmersPower305 hpEngine6-cylTransTwo-speed power shift
Quick specs
- Category
- Utility
- Engine Power Output
- 305hp
- Operating Weight
- 27,100 lb
- Transmission
- Two-speed power shift
At a glance
How the 4W-305 compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
305 hp · 97th
This model
9
Median 55 hp
177
305
This modelUtility tractorsMediann = 5,383
The 4W-305 ranks at the 97th percentile for engine power among recorded utility tractors.
Overview
About the Allis Chalmers 4W-305
The Allis Chalmers 4W-305 is a powerful utility tractor built from 1982 to 1985. It features a strong 6-cylinder diesel engine that produces 305 hp at 2300 rpm. This engine is turbocharged and has a very high displacement of 731 ci, making it one of the most powerful in its class. The tractor has a 4x4 articulated chassis with four-wheel drive, giving it excellent traction in tough conditions. This tractor is designed for serious work. It has a two-speed power shift transmission with 20 forward and 4 reverse gears, allowing for smooth operation in various tasks. The 4W-305 is equipped with a three-point hitch at the rear, capable of handling category III/IV implements. It also has an independent PTO that runs at 1000 rpm, perfect for powering a wide range of attachments. The tractor's closed center load-sensing hydraulic system ensures efficient operation of hydraulic equipment. With its cab and hydraulic power steering, the 4W-305 offers comfort and ease of use for long work days.
Full specifications
Every recorded spec
General
| Manufacturer | Allis Chalmers |
|---|---|
| Model | 4W-305 |
| Category | Utility tractor |
| Type | 4x4 articulated 4WD |
| Years built | 1982–1985 |
| Operating weight | 27,100lb |
Engine
| Make | Allis Chalmers |
|---|---|
| Model | 6120T |
| Power | 305hp |
| Cylinders | 6 |
| Displacement | 731ci |
| Bore | 5.25in |
| Stroke | 5.63in |
Transmission
| Type | Two-speed power shift |
|---|---|
| Forward gears | 20 |
| Reverse gears | 4 |
Chassis & drive
| Chassis | 4x4 articulated 4WD |
|---|---|
| Drive | 4WD |
| Steering | Hydraulic power |
| Cab | Cab |
Hydraulics
| Type | Closed center load-sensing |
|---|
Power take-off
| Rear PTO | Independent |
|---|---|
| PTO speed | 1,000rpm |
Dimensions
| Length | 285in |
|---|---|
| Height | 139in |
| Operating weight | 27,100lb |
Capacities
| Cooling system | 18gal |
|---|
Head to head
4W-305 vs. Utility median
How the Allis Chalmers 4W-305 compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 305 hp | 55 hp | +455% | 97th |
| Engine Displacement | 731 ci | 183 ci | +299% | 96th |
| Cylinders | 6 | 4 | +50% | 93rd |
| Forward Gears | 20 | 12 | +67% | 86th |
| Operating Weight | 27,100 lb | 5,303 lb | +411% | 97th |
| Length | 285 in | 137 in | +109% | 99th |
| Height | 139 in | 94.1 in | +48% | 97th |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 4,321–5,720 models).
Compare to tractors with similar specs
Commonly compared Allis Chalmers tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Allis Chalmers 8550 | 300 hp | 27,040 lb | 1978–1981 | Compare → |
| Allis Chalmers 4W-220 | 220 hp | 21,475 lb | 1982–1984 | Compare → |
| Allis Chalmers 440 | 218 hp | 20,230 lb | 1973–1977 | Compare → |
| Allis Chalmers 7580 | 186.35 hp | 25,000 lb | 1977–1981 | Compare → |
| Allis Chalmers 5050 | 50 hp | 4,410 lb | 1977–1983 | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| CaseIH Magnum 305 | 304 hp | 21,585 lb | — | Compare → |
| Belarus 7100 | 300 hp | 29,735 lb | — | Compare → |
| Belarus 7100M | 300 hp | 30,580 lb | — | Compare → |
| Belarus 7111 | 300 hp | 29,760 lb | — | Compare → |
| CaseIH 4894 | 300 hp | 25,750 lb | — | Compare → |
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Gallery
Allis Chalmers 4W-305 photos
FAQ
Common questions
What years was the Allis Chalmers 4W-305 manufactured?
Production of the Allis Chalmers 4W-305 ran from 1982 through 1985.
How powerful is the Allis Chalmers 4W-305?
The Allis Chalmers 4W-305 has an engine power output of 305 hp. It is powered by a 6-cylinder engine displacing 731 ci.
What is the working weight of the Allis Chalmers 4W-305?
The operating weight of the Allis Chalmers 4W-305 is approximately 27,100 lb.
What type of transmission does the Allis Chalmers 4W-305 have?
The Allis Chalmers 4W-305 uses a Two-speed power shift transmission offering 20 forward gears.
What hydraulics does the Allis Chalmers 4W-305 have?
The Allis Chalmers 4W-305 uses a Closed center load-sensing hydraulic system.
What three-point hitch category does the Allis Chalmers 4W-305 use?
The Allis Chalmers 4W-305 has a Category III/IV three-point hitch.
What routine service does the Allis Chalmers 4W-305 need?
Regular maintenance for the Allis Chalmers 4W-305 includes checking and changing engine oil, hydraulic fluid, and filters, plus routine inspections as recommended in the owner's manual. Always follow the manufacturer's maintenance schedule for specific intervals and procedures.