Head to head · Row Crop

Allis Chalmers 7040 vs McCormick Intl X7.660

Allis Chalmers 7040 Tractor
Allis ChalmersModel A

Allis Chalmers 7040

Row Crop

power
151 hp
displacement
426 ci
Cylinders
6
Forward gears
20
Full 7040 specs
Image not recorded
McCormick IntlModel B

McCormick Intl X7.660

Row Crop

power
151 hp
displacement
411 ci
Cylinders
6
Forward gears
24
Full X7.660 specs
Allis ChalmersAllis Chalmers 7040
vs
McCormick IntlMcCormick Intl X7.660

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

= Effectively tied
7040151 hp
X7.660151 hp
Median Row Crop Tractor138 hp

7040 is in the 58th percentile; X7.660 is in the 58th · 1,206 models

Engine Displacement

▲ 7040 higher · +15 ci (+4%)
7040426 ci
X7.660411 ci
Median Row Crop Tractor391 ci

7040 is in the 72nd percentile; X7.660 is in the 60th · 1,409 models

Cylinders

= Effectively tied
70406
X7.6606
Median Row Crop Tractor6

7040 is in the 50th percentile; X7.660 is in the 50th · 1,417 models

Forward Gears

▲ X7.660 higher · +4 (+20%)
704020
X7.66024
Median Row Crop Tractor16

7040 is in the 70th percentile; X7.660 is in the 81st · 1,200 models

7040 (A)X7.660 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 7040McCormick Intl X7.660Difference
ManufacturerAllis ChalmersMcCormick Intl—
Model7040X7.660—
CategoryRow CropRow CropSame

Engine

SpecAllis Chalmers 7040McCormick Intl X7.660Difference
ManufacturerAllis ChalmersMcCormick Intl—
Model3500 Mark IIBetaPower—
Power Output151hp151hpSame
Rated RPM2,300RPM2,200RPM▲ 7040+100 RPM · +5%
Cylinders66Same
Displacement426ci411ci▲ 7040+15 ci · +4%
Bore4.3in4.1in▲ 7040+0.2 in · +5%
Stroke5in5.2in▲ X7.660+0.2 in · +4%

Transmission

SpecAllis Chalmers 7040McCormick Intl X7.660Difference
TypePartial Power ShiftFour-speed power shift—

Dimensions & Weight

SpecAllis Chalmers 7040McCormick Intl X7.660Difference
Length174in207in▲ X7.660+33 in · +19%
Width95.5in95.7in▲ X7.660+0.2 in · <1%
Height116in115in▲ 7040+1 in · <1%
Operating Weight11,700lb14,440lb▲ X7.660+2,740 lb · +23%

Hydraulics

SpecAllis Chalmers 7040McCormick Intl X7.660Difference
System TypeClosed CenterClosed centerSame
Steering TypeHydrostatic PowerHydrostatic powerSame

Power Take-off (PTO)

SpecAllis Chalmers 7040McCormick Intl X7.660Difference
TypeIndependentNot recorded—
Speed 1540rpmNot recorded—

Tires

SpecAllis Chalmers 7040McCormick Intl X7.660Difference
Front Tire Size11.00-16Not recorded—
Rear Tire Size18.4-38Not recorded—

Hitch & Towing

SpecAllis Chalmers 7040McCormick Intl X7.660Difference
Hitch TypeThree-Point HitchIII/IIIN—
Hitch CategoryIII/IICategory 3—
Hitch PositionRearRearSame

Chassis & Drive

SpecAllis Chalmers 7040McCormick Intl X7.660Difference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WD4WD—
Steering TypeHydrostatic PowerHydrostatic powerSame
Brake TypeDifferential Hydraulic Wet DiscsNot recorded—

Electrical

SpecAllis Chalmers 7040McCormick Intl X7.660Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers 7040McCormick Intl X7.660Difference
Coolant7.8galNot recorded—

Operator Station

SpecAllis Chalmers 7040McCormick Intl X7.660Difference
TypeAcousta-CabCab—

Category context

Both models against the field

Engine Power

median 138 hp
A · 58th percentile (151 hp)B · 58th percentile (151 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 60th percentile (411 ci)

Cylinders

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

Forward Gears

median 16
A · 70th percentile (20)B · 81st percentile (24)

Operating Weight

median 12,307 lb
A · 45th percentile (11,700 lb)B · 64th percentile (14,440 lb)
A · 7040B · X7.660Median Row Crop Tractor
Full spec pageAllis Chalmers 7040Full spec pageMcCormick Intl X7.660