Head to head · Row Crop

Allis Chalmers D14 vs David Brown 770 Selectamatic

Allis Chalmers D14 Tractor
Allis ChalmersModel A

Allis Chalmers D14

Row Crop

power
37 hp
displacement
149 ci
Cylinders
4
Forward gears
4
Full D14 specs
Allis ChalmersAllis Chalmers D14
vs
David BrownDavid Brown 770 Selectamatic

How they compare

Headline specs vs. the whole Row Crop

n = 1,140–1,417

Engine Power

▲ 770 Selectamatic higher · +1.3 hp (+4%)
D1437 hp
770 Selectamatic38.3 hp
Median Row Crop Tractor138 hp

D14 is in the 3rd percentile; 770 Selectamatic is in the 4th · 1,206 models

Engine Displacement

▲ 770 Selectamatic higher · +15 ci (+10%)
D14149 ci
770 Selectamatic164 ci
Median Row Crop Tractor391 ci

D14 is in the 4th percentile; 770 Selectamatic is in the 5th · 1,409 models

Cylinders

▲ D14 higher · +1 (+33%)
D144
770 Selectamatic3
Median Row Crop Tractor6

D14 is in the 17th percentile; 770 Selectamatic is in the 2nd · 1,417 models

Forward Gears

▲ 770 Selectamatic higher · +8 (+200%)
D144
770 Selectamatic12
Median Row Crop Tractor16

D14 is in the 4th percentile; 770 Selectamatic is in the 27th · 1,200 models

D14 (A)770 Selectamatic (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D14David Brown 770 SelectamaticDifference
ManufacturerAllis ChalmersDavid Brown—
ModelD14770 Selectamatic—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D14David Brown 770 SelectamaticDifference
ManufacturerAllis-ChalmersDavid Brown—
ModelAllis-ChalmersAD3/49—
Power Output37hp38.3hp▲ 770 Selectamatic+1.3 hp · +4%
Rated RPM1,650RPM2,000RPM▲ 770 Selectamatic+350 RPM · +21%
Cylinders43▲ D14+1 · +33%
Displacement149ci164ci▲ 770 Selectamatic+15 ci · +10%
Bore3.5in3.9in▲ 770 Selectamatic+0.4 in · +11%
Stroke3.9in4in▲ 770 Selectamatic+0.1 in · +3%

Transmission

SpecAllis Chalmers D14David Brown 770 SelectamaticDifference
TypeSliding GearGear—

Dimensions & Weight

SpecAllis Chalmers D14David Brown 770 SelectamaticDifference
Length129in112in▲ D14+17 in · +15%
WidthNot recorded63.8in—
Height79.5in80.3in▲ 770 Selectamatic+0.8 in · +1%
Operating Weight3,500lb3,730lb▲ 770 Selectamatic+230 lb · +7%

Hydraulics

SpecAllis Chalmers D14David Brown 770 SelectamaticDifference
System TypeNot recordedOpen Center—
Steering TypeManualManualSame

Power Take-off (PTO)

SpecAllis Chalmers D14David Brown 770 SelectamaticDifference
TypeRear PTO, LiveLive—
Speed 1540rpm540rpmSame

Tires

SpecAllis Chalmers D14David Brown 770 SelectamaticDifference
Front Tire SizeNot recorded6.00-16—
Rear Tire SizeNot recorded12.4-28—

Hitch & Towing

SpecAllis Chalmers D14David Brown 770 SelectamaticDifference
Hitch TypeAllis Snap CouplerCategory I—
Hitch CategoryNot recordedI—

Chassis & Drive

SpecAllis Chalmers D14David Brown 770 SelectamaticDifference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypeManualManualSame
Brake TypeMechanical expanding shoeInternal expanding shoe—

Electrical

SpecAllis Chalmers D14David Brown 770 SelectamaticDifference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D14David Brown 770 SelectamaticDifference
Coolant2.3gal3gal▲ 770 Selectamatic+0.7 gal · +30%

Operator Station

SpecAllis Chalmers D14David Brown 770 SelectamaticDifference
TypeOpen operator stationOpen Operator StationSame

Category context

Both models against the field

Engine Power

median 138 hp
A · 3rd percentile (37 hp)B · 4th percentile (38.3 hp)

Engine Displacement

median 391 ci
A · 4th percentile (149 ci)B · 5th percentile (164 ci)

Cylinders

median 6
A · 17th percentile (4)B · 2nd percentile (3)

Forward Gears

median 16
A · 4th percentile (4)B · 27th percentile (12)

Operating Weight

median 12,307 lb
A · 3rd percentile (3,500 lb)B · 4th percentile (3,730 lb)
A · D14B · 770 SelectamaticMedian Row Crop Tractor
Full spec pageAllis Chalmers D14Full spec pageDavid Brown 770 Selectamatic