Compare/Allis Chalmers 4W-305 vs Allis Chalmers 7080

Allis Chalmers 4W-305 vs Allis Chalmers 7080

Verdict: Allis Chalmers 4W-305 vs Allis Chalmers 7080

The Allis Chalmers 4W-305 and the Allis Chalmers 7080 are both tractors — here is how they stack up on the figures that matter. Allis Chalmers 4W-305 leads on rated power with 250 hp against 182 hp. Allis Chalmers 7080 is the lighter machine (6,186 kg vs 12,292 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 4W-305 holds more fuel (757.0 L vs 242.2 L) for longer stints between fills. Allis Chalmers 4W-305 is the newer design (1982 vs 1975). In short: choose the Allis Chalmers 4W-305 for outright pulling power, or the Allis Chalmers 7080 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Allis Chalmers

Fit score

Clear

Allis Chalmers

Fit score

Best match

Clear

Rated power

250 hp

182 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Allis ChalmersReference

With 20.8x38 tires.Reference

With 20.8x38 rear tires.Reference

Original price

$93,685Reference

$54,561Reference

Final drives

planetaryReference

inboard planetaryReference

Engine

Fuel tank

757.0 LReference

242.2 LReference

Engine

227.4 kWReference

156.6 kWReference

Displacement

12.0 LReference

7.0 LReference

Bore/Stroke

133 x 143 mmReference

108 x 127 mmReference

Power

227.4 kWReference

156.6 kWReference

Air cleaner

dryReference

dry with pre-cleanerReference

Compression

16.25:1Reference

16:1Reference

Rated RPM

2300Reference

2550Reference

Idle RPM

950-2580Reference

—

Starter volts

12Reference

Oil capacity

56.8 LReference

28.0 LReference

Coolant capacity

68.1 LReference

34.1 LReference

Drawbar (claimed)

—

114.8 kWReference

Drawbar (tested)

—

111.0 kWReference

Power at rated engine speed

—

135.4 kWReference

Max power

—

111.0 kWReference

Transmission

Power DirectorReference

Allis-Chalmers Power DirectorReference

Gears

20 forward and 4 reverseReference

PTO & Hydraulics

PTO (claimed)

186.4 kWReference

135.3 kWReference

Type

two-speed power shiftReference

partial power shiftReference

Valves

3Reference

2 or 3Reference

SCV flow

79.5 lpmReference

—

Total flow

348.2 lpmReference

177.9 lpmReference

Rear Type

IV/IIIReference

3/2Reference

Rear PTO

independentReference

Rear PTO Type

1000 (1.75)Reference

1000Reference

PTO (tested)

—

135.4 kWReference

Pump flow

—

87.1 lpmReference

Steering flow

—

37.9 lpmReference

Rear lift (at 24"/610mm)

—

3030 kgReference

Dimensions

Wheelbase

320 cmReference

269 cmReference

Weight

12292 kgReference

6186 kgReference

Front tire

18.4x38Reference

14Lx16Reference

Rear tire

18.4x38Reference

20.8x38Reference

Ag front

20.8x38Reference

18.4x16Reference

Ag rear

20.8x38Reference

18.4x42Reference

Length

723 cmReference

414 cmReference

Height (hood)

246 cmReference

—

Height (cab)

353 cmReference

—

Shipping weight

12292 kgReference

—

Clearance (front axle)

65 cmReference

—

Clearance (rear axle)

75 cmReference

—

Front axle

3035 mmReference

—

Rear axle

3035 mmReference

101 mmReference

Width

—

303 cmReference

Ground clearance

—

73 cmReference

Steering wheel

—

223 cmReference

4W-305 Serial Numbers

1982

1001Reference

—

1983

1112Reference

—

1984

1176Reference

—

Location:

Front frame, on rear left sideReference

Above PTO shieldReference

Electrical

Ground

negativeReference

—

Charging system

alternatorReference

—

Battery volts

12Reference

—

Speeds

Allis Chalmers 7080 attachments

7080 Serial Numbers

1975

—

1007Reference

1976

—

1572Reference

1977

—

2501Reference

1978

—

3001Reference

1979

—

3268Reference

1980

—

3648Reference

1981

—

3954Reference

Allis Chalmers 7080 Height

Hood

—

175 cmReference

Exhaust

—

297 cmReference

Test results

Fuel use

—

42.8 l/hourReference

Max pull

—

8381 kgReference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.