Head to head · Utility

Allis Chalmers 8550 vs Massey Ferguson 8680

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 8680

Row Crop

power
290 hp
displacement
513 ci
Cylinders
6
Forward gears
Not recorded
Full 8680 specs
Allis ChalmersAllis Chalmers 8550
vs
Massey FergusonMassey Ferguson 8680

How they compare

Headline specs vs. the whole Utility

n = 4,321–5,720

Engine Power

▲ 8550 higher · +10 hp (+3%)
8550300 hp
8680290 hp
Median Utility Tractor55 hp

8550 is in the 97th percentile; 8680 is in the 96th · 5,383 models

Engine Displacement

▲ 8550 higher · +218 ci (+42%)
8550731 ci
8680513 ci
Median Utility Tractor183 ci

8550 is in the 96th percentile; 8680 is in the 94th · 5,580 models

Cylinders

= Effectively tied
85506
86806
Median Utility Tractor4

8550 is in the 93rd percentile; 8680 is in the 93rd · 5,720 models

Operating Weight

▲ 8550 higher · +1,245 lb (+5%)
855027,040 lb
868025,795 lb
Median Utility Tractor5,303 lb

8550 is in the 96th percentile; 8680 is in the 96th · 5,107 models

8550 (A)8680 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 8550Massey Ferguson 8680Difference
ManufacturerAllis ChalmersMassey Ferguson—
Model85508680—
CategoryUtilityRow Crop—

Engine

SpecAllis Chalmers 8550Massey Ferguson 8680Difference
ManufacturerAllis ChalmersAGCO SISU POWER—
Model6120T84CTA—
Power Output300hp290hp▲ 8550+10 hp · +3%
Rated RPM2,500RPM2,100RPM▲ 8550+400 RPM · +19%
Cylinders66Same
Displacement731ci513ci▲ 8550+218 ci · +42%
Bore5.3in4.4in▲ 8550+0.9 in · +20%
Stroke6.3in5.7in▲ 8550+0.6 in · +11%

Transmission

SpecAllis Chalmers 8550Massey Ferguson 8680Difference
TypePartial Power ShiftContinuously Variable Transmission (CVT)—

Dimensions & Weight

SpecAllis Chalmers 8550Massey Ferguson 8680Difference
Length285in223in▲ 8550+62 in · +28%
Width95.5inNot recorded—
Height139in133in▲ 8550+6 in · +5%
Operating Weight27,040lb25,795lb▲ 8550+1,245 lb · +5%

Hydraulics

SpecAllis Chalmers 8550Massey Ferguson 8680Difference
System TypeClosed CenterClosed center pressure flow compensated (PFC)—
Steering TypeHydrostatic PowerPower—

Power Take-off (PTO)

SpecAllis Chalmers 8550Massey Ferguson 8680Difference
TypeIndependentIndependent with electro-hydraulic clutch—
Speed 11,000rpm1,000rpmSame

Tires

SpecAllis Chalmers 8550Massey Ferguson 8680Difference
Front Tire SizeNot recorded420/90R30—
Rear Tire SizeNot recorded480/80R46—

Hitch & Towing

SpecAllis Chalmers 8550Massey Ferguson 8680Difference
Hitch TypeThree-Point HitchCategory III/Category IV/Drawbar—
Hitch CategoryIV/IIIIII—
Hitch PositionNot recordedRear—
Hitch CapacityNot recorded24,590lb—

Chassis & Drive

SpecAllis Chalmers 8550Massey Ferguson 8680Difference
Chassis Type4x4 Articulated 4WD4x4 MFWD 4WD—
Drive Type4WD4WDSame
Steering TypeHydrostatic PowerPower—
Brake TypeHydraulic Wet DiscsMultiple wet disc hydraulically operated by two foot pedals—

Electrical

SpecAllis Chalmers 8550Massey Ferguson 8680Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers 8550Massey Ferguson 8680Difference
Coolant18galNot recorded—

Operator Station

SpecAllis Chalmers 8550Massey Ferguson 8680Difference
TypeAcousta Cab II with heat and air-conditioningCab with heat and air-conditioning—

Category context

Both models against the field

Engine Power

median 55 hp
A · 97th percentile (300 hp)B · 96th percentile (290 hp)

Engine Displacement

median 183 ci
A · 96th percentile (731 ci)B · 94th percentile (513 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 · 96th percentile (25,795 lb)

Length

median 137 in
A · 99th percentile (285 in)B · 95th percentile (223 in)
A · 8550B · 8680Median Utility Tractor
Full spec pageAllis Chalmers 8550Full spec pageMassey Ferguson 8680