Compare/Allis Chalmers 440 vs Allis Chalmers 8550

Allis Chalmers 440 vs Allis Chalmers 8550

Verdict: Allis Chalmers 440 vs Allis Chalmers 8550

The Allis Chalmers 440 and the Allis Chalmers 8550 are both tractors — here is how they stack up on the figures that matter. Allis Chalmers 8550 leads on rated power with 254 hp against 218 hp. Allis Chalmers 440 is the lighter machine (9,176 kg vs 26,400 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 8550 is the newer design (1978 vs 1973). In short: choose the Allis Chalmers 8550 for outright pulling power, or the Allis Chalmers 440 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Allis Chalmers

Fit score

Best match

Clear

Allis Chalmers

Fit score

Clear

Rated power

218 hp

254 hp

Confidence

40%

Guide price

—

Overview

Distributor

Allis ChalmersReference

—

Manufacturer

SteigerReference

Allis ChalmersReference

liquid-cooled V8Reference

Allis 8550 speeds with 18.4x38 tires.Reference

Total built

1,033Reference

—

Original price

$38,179Reference

$86,753Reference

Final drives

outboard planetaryReference

—

Steering

articulated hydraulic powerReference

hydrostatic powerReference

Engine

162.6 kWReference

223.7 kWReference

Drawbar (claimed)

123.0 kWReference

156.6 kWReference

Plows

7-8Reference

—

Displacement

9.1 LReference

12.0 LReference

Bore/Stroke

117 x 105 mmReference

133 x 159 mmReference

Power

162.6 kWReference

223.7 kWReference

Compression

17:1Reference

16.25:1Reference

Rated RPM

2800Reference

2500Reference

Starter type

electricReference

—

Fuel tank

—

643.5 LReference

Drawbar (tested)

—

162.5 kWReference

Air cleaner

—

dryReference

Idle RPM

—

775-2800Reference

Firing order

—

1-5-3-6-2-4Reference

Starter volts

—

12Reference

Oil capacity

—

56.8 LReference

Coolant capacity

—

68.1 LReference

Intake valve clearance

—

0.381 mmReference

Exhaust valve clearance

—

0.508 mmReference

Power at rated engine speed

—

189.3 kWReference

Max power

—

162.5 kWReference

Transmission

EatonReference

Power DirectorReference

Gears

10 forward and 2 reverseReference

20 forward and 4 reverseReference

Clutch

cerametallic dry discReference

—

PTO & Hydraulics

Type

open centerReference

partial power shiftReference

Pressure

137.9 barReference

—

Valves

3Reference

3 or 4Reference

Pump flow

79.5 lpmReference

283.5 lpmReference

Steering flow

60.6 lpmReference

—

Steering press.

103.4 barReference

—

Rear Type

III/IVReference

IV/IIIReference

PTO (claimed)

—

186.4 kWReference

PTO (tested)

—

189.3 kWReference

Rear PTO

—

independentReference

Rear PTO Type

—

1000Reference

Dimensions

Weight

9176 kgReference

26400 to 27040 poundsReference

Front tire

23.1-26Reference

18.4x38Reference

Rear tire

23.1-26Reference

18.4x38Reference

Ag front

23.1-26Reference

30.5x32Reference

Ag rear

23.1-26Reference

30.5x32Reference

Length

579 cmReference

723 cmReference

Width

266 cmReference

303 cmReference

Height

353 cmReference

—

Wheelbase

—

320 cmReference

Ground clearance

—

43 cmReference

Front tread

—

157 to 312 cmReference

Rear tread

—

157 to 312 cmReference

Shipping

—

11975 kgReference

Operating

—

12265 kgReference

Ballasted

—

13317 kgReference

8550 Serial Numbers

1978

—

1083Reference

1979

—

1342Reference

1980

—

1553Reference

1981

—

1723Reference

Location:

—

Front frame, rear left sideReference

Electrical

Ground

—

negativeReference

Charging system

—

alternatorReference

Batteries

—

4Reference

Battery volts

—

12Reference

Allis Chalmers 8550 Height

Hood

—

229 cmReference

Cab

—

353 cmReference

Exhaust

—

391 cmReference

Test results

Fuel use

—

66.2 l/hourReference

Max pull

—

11893 kgReference

Speeds

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.