Head to head · Utility

Allis Chalmers 8550 vs Massey Ferguson 8S.305

Allis Chalmers 8550 Tractor
Allis ChalmersModel A

Allis Chalmers 8550

Utility

power
300 hp
displacement
731 ci
Cylinders
6
Forward gears
20
Full 8550 specs
Image not recorded
Massey FergusonModel B

Massey Ferguson 8S.305

Agricultural

power
302 hp
displacement
449 ci
Cylinders
6
Forward gears
Not recorded
Full 8S.305 specs
Allis ChalmersAllis Chalmers 8550
vs
Massey FergusonMassey Ferguson 8S.305

How they compare

Headline specs vs. the whole Utility

n = 4,321–5,720

Engine Power

▲ 8S.305 higher · +2 hp (<1%)
8550300 hp
8S.305302 hp
Median Utility Tractor55 hp

8550 is in the 97th percentile; 8S.305 is in the 97th · 5,383 models

Engine Displacement

▲ 8550 higher · +282 ci (+63%)
8550731 ci
8S.305449 ci
Median Utility Tractor183 ci

8550 is in the 96th percentile; 8S.305 is in the 93rd · 5,580 models

Cylinders

= Effectively tied
85506
8S.3056
Median Utility Tractor4

8550 is in the 93rd percentile; 8S.305 is in the 93rd · 5,720 models

Operating Weight

▲ 8550 higher · +4,994 lb (+23%)
855027,040 lb
8S.30522,046 lb
Median Utility Tractor5,303 lb

8550 is in the 96th percentile; 8S.305 is in the 95th · 5,107 models

8550 (A)8S.305 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 8550Massey Ferguson 8S.305Difference
ManufacturerAllis ChalmersMassey Ferguson—
Model85508S.305—
CategoryUtilityAgricultural—

Engine

SpecAllis Chalmers 8550Massey Ferguson 8S.305Difference
ManufacturerAllis ChalmersAGCO Power—
Model6120TNot recorded—
Power Output300hp302hp▲ 8S.305+2 hp · <1%
Rated RPM2,500RPM1,850RPM▲ 8550+650 RPM · +35%
Cylinders66Same
Displacement731ci449ci▲ 8550+282 ci · +63%
Bore5.3in4.3in▲ 8550+1 in · +23%
Stroke6.3in5.3in▲ 8550+1 in · +19%

Transmission

SpecAllis Chalmers 8550Massey Ferguson 8S.305Difference
TypePartial Power Shiftcontinuously-variable transmission—

Dimensions & Weight

SpecAllis Chalmers 8550Massey Ferguson 8S.305Difference
Length285in212in▲ 8550+73 in · +34%
Width95.5inNot recorded—
Height139in134in▲ 8550+5 in · +4%
Operating Weight27,040lb22,046lb▲ 8550+4,994 lb · +23%

Hydraulics

SpecAllis Chalmers 8550Massey Ferguson 8S.305Difference
System TypeClosed Centerclosed center load-sensing—
Steering TypeHydrostatic PowerNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers 8550Massey Ferguson 8S.305Difference
TypeIndependentRear: 540/1000, Front: 1000—
Speed 11,000rpm540rpm▲ 8550+460 rpm · +85%
Speed 2Not recorded1,000rpm—

Hitch & Towing

SpecAllis Chalmers 8550Massey Ferguson 8S.305Difference
Hitch TypeThree-Point HitchIII—
Hitch CategoryIV/IIICategory 3—
Hitch PositionNot recordedRear—

Chassis & Drive

SpecAllis Chalmers 8550Massey Ferguson 8S.305Difference
Chassis Type4x4 Articulated 4WDNot recorded—
Drive Type4WDNot recorded—
Steering TypeHydrostatic PowerNot recorded—
Brake TypeHydraulic Wet DiscsNot recorded—

Electrical

SpecAllis Chalmers 8550Massey Ferguson 8S.305Difference
Starter TypeElectricelectricSame

Capacities

SpecAllis Chalmers 8550Massey Ferguson 8S.305Difference
Coolant18galNot recorded—

Operator Station

SpecAllis Chalmers 8550Massey Ferguson 8S.305Difference
TypeAcousta Cab II with heat and air-conditioningcab—

Category context

Both models against the field

Engine Power

median 55 hp
A · 97th percentile (300 hp)B · 97th percentile (302 hp)

Engine Displacement

median 183 ci
A · 96th percentile (731 ci)B · 93rd percentile (449 ci)

Cylinders

median 4
A · 93rd percentile (6)B · 93rd percentile (6)

Operating Weight

median 5,303 lb
A · 96th percentile (27,040 lb)B · 95th percentile (22,046 lb)

Length

median 137 in
A · 99th percentile (285 in)B · 95th percentile (212 in)
A · 8550B · 8S.305Median Utility Tractor
Full spec pageAllis Chalmers 8550Full spec pageMassey Ferguson 8S.305