Head to head · Row Crop

Allis Chalmers 7040 vs Allis Chalmers 8070

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
Allis Chalmers 8070 Tractor
Allis ChalmersModel B

Allis Chalmers 8070

Row Crop

power
170 hp
displacement
426 ci
Cylinders
6
Forward gears
20
Full 8070 specs
Allis ChalmersAllis Chalmers 7040
vs
Allis ChalmersAllis Chalmers 8070

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ 8070 higher · +19 hp (+13%)
7040151 hp
8070170 hp
Median Row Crop Tractor138 hp

7040 is in the 58th percentile; 8070 is in the 67th · 1,206 models

Engine Displacement

= Effectively tied
7040426 ci
8070426 ci
Median Row Crop Tractor391 ci

7040 is in the 72nd percentile; 8070 is in the 72nd · 1,409 models

Cylinders

= Effectively tied
70406
80706
Median Row Crop Tractor6

7040 is in the 50th percentile; 8070 is in the 50th · 1,417 models

Forward Gears

= Effectively tied
704020
807020
Median Row Crop Tractor16

7040 is in the 70th percentile; 8070 is in the 70th · 1,200 models

7040 (A)8070 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 7040Allis Chalmers 8070Difference
ManufacturerAllis ChalmersAllis ChalmersSame
Model70408070—
CategoryRow CropRow CropSame

Engine

SpecAllis Chalmers 7040Allis Chalmers 8070Difference
ManufacturerAllis ChalmersAllis ChalmersSame
Model3500 Mark II670I—
Power Output151hp170hp▲ 8070+19 hp · +13%
Rated RPM2,300RPM2,400RPM▲ 8070+100 RPM · +4%
Cylinders66Same
Displacement426ci426ciSame
Bore4.3in4.3inSame
Stroke5in5inSame

Transmission

SpecAllis Chalmers 7040Allis Chalmers 8070Difference
TypePartial Power ShiftPartial Power ShiftSame

Dimensions & Weight

SpecAllis Chalmers 7040Allis Chalmers 8070Difference
Length174in187in▲ 8070+13 in · +7%
Width95.5in95.5inSame
Height116in116inSame
Operating Weight11,700lb16,850lb▲ 8070+5,150 lb · +44%

Hydraulics

SpecAllis Chalmers 7040Allis Chalmers 8070Difference
System TypeClosed CenterClosed-center load-sensitive—
Steering TypeHydrostatic PowerHydrostatic PowerSame

Power Take-off (PTO)

SpecAllis Chalmers 7040Allis Chalmers 8070Difference
TypeIndependentIndependentSame
Speed 1540rpm1,000rpm▲ 8070+460 rpm · +85%

Tires

SpecAllis Chalmers 7040Allis Chalmers 8070Difference
Front Tire Size11.00-16Not recorded—
Rear Tire Size18.4-38Not recorded—

Hitch & Towing

SpecAllis Chalmers 7040Allis Chalmers 8070Difference
Hitch TypeThree-Point HitchThree-Point HitchSame
Hitch CategoryIII/IIIII/IISame
Hitch PositionRearRearSame
Hitch CapacityNot recorded8,200lb—

Chassis & Drive

SpecAllis Chalmers 7040Allis Chalmers 8070Difference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypeHydrostatic PowerHydrostatic PowerSame
Brake TypeDifferential Hydraulic Wet DiscsDifferential hydraulic wet discsSame

Electrical

SpecAllis Chalmers 7040Allis Chalmers 8070Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers 7040Allis Chalmers 8070Difference
Coolant7.8gal9gal▲ 8070+1.2 gal · +15%

Operator Station

SpecAllis Chalmers 7040Allis Chalmers 8070Difference
TypeAcousta-CabCab—

Category context

Both models against the field

Engine Power

median 138 hp
A · 58th percentile (151 hp)B · 67th percentile (170 hp)

Engine Displacement

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

Cylinders

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

Forward Gears

median 16
A · 70th percentile (20)B · 70th percentile (20)

Operating Weight

median 12,307 lb
A · 45th percentile (11,700 lb)B · 73rd percentile (16,850 lb)
A · 7040B · 8070Median Row Crop Tractor
Full spec pageAllis Chalmers 7040Full spec pageAllis Chalmers 8070