Head to head · Utility

Allis Chalmers 440 vs Allis Chalmers 8550

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Allis ChalmersModel A

Allis Chalmers 440

Utility

power
218 hp
displacement
555 ci
Cylinders
8
Forward gears
10
Full 440 specs
Allis Chalmers 8550 Tractor
Allis ChalmersModel B

Allis Chalmers 8550

Utility

power
300 hp
displacement
731 ci
Cylinders
6
Forward gears
20
Full 8550 specs
Allis ChalmersAllis Chalmers 440
vs
Allis ChalmersAllis Chalmers 8550

How they compare

Headline specs vs. the whole Utility

n = 3,933–5,720

Engine Power

▲ 8550 higher · +82 hp (+38%)
440218 hp
8550300 hp
Median Utility Tractor55 hp

440 is in the 95th percentile; 8550 is in the 97th · 5,383 models

Engine Displacement

▲ 8550 higher · +176 ci (+32%)
440555 ci
8550731 ci
Median Utility Tractor183 ci

440 is in the 94th percentile; 8550 is in the 96th · 5,580 models

Cylinders

▲ 440 higher · +2 (+33%)
4408
85506
Median Utility Tractor4

440 is in the 99th percentile; 8550 is in the 93rd · 5,720 models

Forward Gears

▲ 8550 higher · +10 (+100%)
44010
855020
Median Utility Tractor12

440 is in the 39th percentile; 8550 is in the 86th · 4,941 models

440 (A)8550 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 440Allis Chalmers 8550Difference
ManufacturerAllis ChalmersAllis ChalmersSame
Model4408550—
CategoryUtilityUtilitySame

Engine

SpecAllis Chalmers 440Allis Chalmers 8550Difference
ManufacturerCumminsAllis Chalmers—
Model555C6120T—
Power Output218hp300hp▲ 8550+82 hp · +38%
Rated RPM2,800RPM2,500RPM▲ 440+300 RPM · +12%
Cylinders86▲ 440+2 · +33%
Displacement555ci731ci▲ 8550+176 ci · +32%
Bore4.6in5.3in▲ 8550+0.7 in · +15%
Stroke4.1in6.3in▲ 8550+2.2 in · +54%

Transmission

SpecAllis Chalmers 440Allis Chalmers 8550Difference
TypeEatonPartial Power Shift—

Dimensions & Weight

SpecAllis Chalmers 440Allis Chalmers 8550Difference
Length228in285in▲ 8550+57 in · +25%
Width105in95.5in▲ 440+9.5 in · +10%
Height139in139inSame
Operating Weight20,230lb27,040lb▲ 8550+6,810 lb · +34%

Hydraulics

SpecAllis Chalmers 440Allis Chalmers 8550Difference
System TypeOpen centerClosed Center—
Steering TypeArticulated hydraulic powerHydrostatic Power—

Power Take-off (PTO)

SpecAllis Chalmers 440Allis Chalmers 8550Difference
TypeNot recordedIndependent—
Speed 1Not recorded1,000rpm—

Hitch & Towing

SpecAllis Chalmers 440Allis Chalmers 8550Difference
Hitch TypeThree-Point HitchThree-Point HitchSame
Hitch CategoryIII/IVIV/III—

Chassis & Drive

SpecAllis Chalmers 440Allis Chalmers 8550Difference
Chassis Type4x4 articulated 4WD4x4 Articulated 4WDSame
Drive TypeMFWD 4WD4WD—
Steering TypeArticulated hydraulic powerHydrostatic Power—
Brake TypeHydraulic discHydraulic Wet Discs—

Electrical

SpecAllis Chalmers 440Allis Chalmers 8550Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers 440Allis Chalmers 8550Difference
CoolantNot recorded18gal—

Operator Station

SpecAllis Chalmers 440Allis Chalmers 8550Difference
TypeCabAcousta Cab II with heat and air-conditioning—

Category context

Both models against the field

Engine Power

median 55 hp
A · 95th percentile (218 hp)B · 97th percentile (300 hp)

Engine Displacement

median 183 ci
A · 94th percentile (555 ci)B · 96th percentile (731 ci)

Cylinders

median 4
A · 99th percentile (8)B · 93rd percentile (6)

Forward Gears

median 12
A · 39th percentile (10)B · 86th percentile (20)

Operating Weight

median 5,303 lb
A · 95th percentile (20,230 lb)B · 96th percentile (27,040 lb)
A · 440B · 8550Median Utility Tractor
Full spec pageAllis Chalmers 440Full spec pageAllis Chalmers 8550