Head to head · Row Crop

Allis Chalmers 7020 vs John Deere 6630

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
John Deere 6630 Tractor
John DeereModel B

John Deere 6630

Agricultural

power
126 hp
displacement
414 ci
Cylinders
6
Forward gears
12
Full 6630 specs
Allis ChalmersAllis Chalmers 7020
vs
John DeereJohn Deere 6630

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ 6630 higher · +2 hp (+2%)
7020124 hp
6630126 hp
Median Row Crop Tractor138 hp

7020 is in the 41st percentile; 6630 is in the 43rd · 1,206 models

Engine Displacement

▲ 6630 higher · +113 ci (+38%)
7020301 ci
6630414 ci
Median Row Crop Tractor391 ci

7020 is in the 32nd percentile; 6630 is in the 64th · 1,409 models

Cylinders

= Effectively tied
70206
66306
Median Row Crop Tractor6

7020 is in the 50th percentile; 6630 is in the 50th · 1,417 models

Forward Gears

▲ 6630 higher · +6 (+100%)
70206
663012
Median Row Crop Tractor16

7020 is in the 11th percentile; 6630 is in the 27th · 1,200 models

7020 (A)6630 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 7020John Deere 6630Difference
ManufacturerAllis ChalmersJohn Deere—
Model70206630—
CategoryRow CropAgricultural—

Engine

SpecAllis Chalmers 7020John Deere 6630Difference
ManufacturerAllis ChalmersJohn Deere—
Model649I6068HL280—
Power Output124hp126hp▲ 6630+2 hp · +2%
Rated RPM2,300RPM2,300RPMSame
Cylinders66Same
Displacement301ci414ci▲ 6630+113 ci · +38%
Bore3.9in4.2in▲ 6630+0.3 in · +8%
Stroke4.3in5in▲ 6630+0.7 in · +16%

Transmission

SpecAllis Chalmers 7020John Deere 6630Difference
TypePartial power shiftSynchroPlus—

Dimensions & Weight

SpecAllis Chalmers 7020John Deere 6630Difference
Length163in186in▲ 6630+23 in · +14%
Width92.6in91.2in▲ 7020+1.4 in · +2%
Height116in112in▲ 7020+4 in · +4%
Operating Weight11,770lb11,390lb▲ 7020+380 lb · +3%

Hydraulics

SpecAllis Chalmers 7020John Deere 6630Difference
System TypeClosed centerConstant flow load sensing—
Steering TypeHydrostatic powerNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers 7020John Deere 6630Difference
TypeIndependentNot recorded—
Speed 1540rpmNot recorded—
Speed 21,000rpmNot recorded—

Tires

SpecAllis Chalmers 7020John Deere 6630Difference
Front Tire Size11.00-16Not recorded—
Rear Tire Size20.8-38Not recorded—

Hitch & Towing

SpecAllis Chalmers 7020John Deere 6630Difference
Hitch TypeThree-Point HitchThree-Point HitchSame
Hitch CategoryIII/IIII—
Hitch PositionRearNot recorded—
Hitch Capacity6,680lbNot recorded—

Chassis & Drive

SpecAllis Chalmers 7020John Deere 6630Difference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypeHydrostatic powerNot recorded—
Brake TypeDifferential hydraulic wet discNot recorded—

Electrical

SpecAllis Chalmers 7020John Deere 6630Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers 7020John Deere 6630Difference
Coolant6.5gal7.4gal▲ 6630+0.9 gal · +14%

Operator Station

SpecAllis Chalmers 7020John Deere 6630Difference
TypeAcousta-CabNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 41st percentile (124 hp)B · 43rd percentile (126 hp)

Engine Displacement

median 391 ci
A · 32nd percentile (301 ci)B · 64th percentile (414 ci)

Cylinders

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

Forward Gears

median 16
A · 11th percentile (6)B · 27th percentile (12)

Operating Weight

median 12,307 lb
A · 46th percentile (11,770 lb)B · 43rd percentile (11,390 lb)
A · 7020B · 6630Median Row Crop Tractor
Full spec pageAllis Chalmers 7020Full spec pageJohn Deere 6630