Head to head · Utility

Allis Chalmers 8550 vs John Deere 8650

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
John DeereModel B

John Deere 8650

Utility

power
290 hp
displacement
619 ci
Cylinders
6
Forward gears
16
Full 8650 specs
Allis ChalmersAllis Chalmers 8550
vs
John DeereJohn Deere 8650

How they compare

Headline specs vs. the whole Utility

n = 4,659–5,720

Engine Power

▲ 8550 higher · +10 hp (+3%)
8550300 hp
8650290 hp
Median Utility Tractor55 hp

8550 is in the 97th percentile; 8650 is in the 96th · 5,383 models

Engine Displacement

▲ 8550 higher · +112 ci (+18%)
8550731 ci
8650619 ci
Median Utility Tractor183 ci

8550 is in the 96th percentile; 8650 is in the 95th · 5,580 models

Cylinders

= Effectively tied
85506
86506
Median Utility Tractor4

8550 is in the 93rd percentile; 8650 is in the 93rd · 5,720 models

Forward Gears

▲ 8550 higher · +4 (+25%)
855020
865016
Median Utility Tractor12

8550 is in the 86th percentile; 8650 is in the 73rd · 4,941 models

8550 (A)8650 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 8550John Deere 8650Difference
ManufacturerAllis ChalmersJohn Deere—
Model85508650—
CategoryUtilityUtilitySame

Engine

SpecAllis Chalmers 8550John Deere 8650Difference
ManufacturerAllis ChalmersJohn Deere—
Model6120TNot recorded—
Power Output300hp290hp▲ 8550+10 hp · +3%
Rated RPM2,500RPM2,100RPM▲ 8550+400 RPM · +19%
Cylinders66Same
Displacement731ci619ci▲ 8550+112 ci · +18%
Bore5.3in5.1in▲ 8550+0.2 in · +4%
Stroke6.3in5in▲ 8550+1.3 in · +26%

Transmission

SpecAllis Chalmers 8550John Deere 8650Difference
TypePartial Power ShiftPartial power shiftSame

Dimensions & Weight

SpecAllis Chalmers 8550John Deere 8650Difference
Length285in224in▲ 8550+61 in · +27%
Width95.5inNot recorded—
Height139inNot recorded—
Operating Weight27,040lb30,270lb▲ 8650+3,230 lb · +12%

Hydraulics

SpecAllis Chalmers 8550John Deere 8650Difference
System TypeClosed CenterClosed center constant-pressure—
Steering TypeHydrostatic PowerArticulated power—

Power Take-off (PTO)

SpecAllis Chalmers 8550John Deere 8650Difference
TypeIndependentIndependent (optional)—
Speed 11,000rpm1,000rpmSame

Hitch & Towing

SpecAllis Chalmers 8550John Deere 8650Difference
Hitch TypeThree-Point HitchThree-Point HitchSame
Hitch CategoryIV/IIIIII/IIIN—
Hitch PositionNot recordedRear—
Hitch CapacityNot recorded9,260lb—

Chassis & Drive

SpecAllis Chalmers 8550John Deere 8650Difference
Chassis Type4x4 Articulated 4WD4x4 articulated 4WDSame
Drive Type4WD4WDSame
Steering TypeHydrostatic PowerArticulated power—
Brake TypeHydraulic Wet DiscsHydraulic wet disc—

Electrical

SpecAllis Chalmers 8550John Deere 8650Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers 8550John Deere 8650Difference
Coolant18gal12gal▲ 8550+6 gal · +50%

Operator Station

SpecAllis Chalmers 8550John Deere 8650Difference
TypeAcousta Cab II with heat and air-conditioningSound-Gard cab with 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 · 95th percentile (619 ci)

Cylinders

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

Forward Gears

median 12
A · 86th percentile (20)B · 73rd percentile (16)

Operating Weight

median 5,303 lb
A · 96th percentile (27,040 lb)B · 97th percentile (30,270 lb)
A · 8550B · 8650Median Utility Tractor
Full spec pageAllis Chalmers 8550Full spec pageJohn Deere 8650