Head to head · Row Crop

Allis Chalmers 7020 vs Oliver 1955

Allis Chalmers 7020 Tractor
Allis ChalmersModel A

Allis Chalmers 7020

Row Crop

power
124 hp
displacement
301 ci
Cylinders
6
Forward gears
6
Full 7020 specs
Oliver 1955 Tractor
OliverModel B

Oliver 1955

Row Crop

power
108 hp
displacement
310 ci
Cylinders
6
Forward gears
6
Full 1955 specs
Allis ChalmersAllis Chalmers 7020
vs
OliverOliver 1955

How they compare

Headline specs vs. the whole Row Crop

n = 279–1,417

Engine Power

▲ 7020 higher · +16 hp (+15%)
7020124 hp
1955108 hp
Median Row Crop Tractor138 hp

7020 is in the 41st percentile; 1955 is in the 30th · 1,206 models

Engine Displacement

▲ 1955 higher · +9 ci (+3%)
7020301 ci
1955310 ci
Median Row Crop Tractor391 ci

7020 is in the 32nd percentile; 1955 is in the 33rd · 1,409 models

Cylinders

= Effectively tied
70206
19556
Median Row Crop Tractor6

7020 is in the 50th percentile; 1955 is in the 50th · 1,417 models

Forward Gears

= Effectively tied
70206
19556
Median Row Crop Tractor16

7020 is in the 11th percentile; 1955 is in the 11th · 1,200 models

7020 (A)1955 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 7020Oliver 1955Difference
ManufacturerAllis ChalmersOliver—
Model70201955—
CategoryRow CropRow CropSame

Engine

SpecAllis Chalmers 7020Oliver 1955Difference
ManufacturerAllis ChalmersOliver-Waukesha—
Model649IOliver-Waukesha—
Power Output124hp108hp▲ 7020+16 hp · +15%
Rated RPM2,300RPM2,400RPM▲ 1955+100 RPM · +4%
Cylinders66Same
Displacement301ci310ci▲ 1955+9 ci · +3%
Bore3.9in3.9inSame
Stroke4.3in4.4in▲ 1955+0.1 in · +2%

Transmission

SpecAllis Chalmers 7020Oliver 1955Difference
TypePartial power shiftGear—

Dimensions & Weight

SpecAllis Chalmers 7020Oliver 1955Difference
Length163in159in▲ 7020+4 in · +3%
Width92.6in80.3in▲ 7020+12.3 in · +15%
Height116in85.4in▲ 7020+30.6 in · +36%
Operating Weight11,770lb11,250lb▲ 7020+520 lb · +5%

Hydraulics

SpecAllis Chalmers 7020Oliver 1955Difference
System TypeClosed centerClosed centerSame
Steering TypeHydrostatic powerPower—

Power Take-off (PTO)

SpecAllis Chalmers 7020Oliver 1955Difference
TypeIndependentIndependentSame
Speed 1540rpm1,000rpm▲ 1955+460 rpm · +85%
Speed 21,000rpmNot recorded—

Tires

SpecAllis Chalmers 7020Oliver 1955Difference
Front Tire Size11.00-16Not recorded—
Rear Tire Size20.8-38Not recorded—

Hitch & Towing

SpecAllis Chalmers 7020Oliver 1955Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IIIII/IISame
Hitch PositionRearNot recorded—
Hitch Capacity6,680lb6,000lb▲ 7020+680 lb · +11%

Chassis & Drive

SpecAllis Chalmers 7020Oliver 1955Difference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypeHydrostatic powerPower—
Brake TypeDifferential hydraulic wet discDifferential hydraulic dry disc—

Electrical

SpecAllis Chalmers 7020Oliver 1955Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers 7020Oliver 1955Difference
Coolant6.5gal5gal▲ 7020+1.5 gal · +30%

Operator Station

SpecAllis Chalmers 7020Oliver 1955Difference
TypeAcousta-CabOpen operator station—

Category context

Both models against the field

Engine Power

median 138 hp
A · 41st percentile (124 hp)B · 30th percentile (108 hp)

Engine Displacement

median 391 ci
A · 32nd percentile (301 ci)B · 33rd percentile (310 ci)

Cylinders

median 6
A · 50th percentile (6)B · 50th percentile (6)

Forward Gears

median 16
A · 11th percentile (6)B · 11th percentile (6)

Operating Weight

median 12,307 lb
A · 46th percentile (11,770 lb)B · 42nd percentile (11,250 lb)
A · 7020B · 1955Median Row Crop Tractor
Full spec pageAllis Chalmers 7020Full spec pageOliver 1955