Head to head · Utility

Allis Chalmers ED40 vs David Brown 950

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Allis ChalmersModel A

Allis Chalmers ED40

Utility

power
41 hp
displacement
138 ci
Cylinders
4
Forward gears
8
Full ED40 specs
David Brown 950 Tractor
David BrownModel B

David Brown 950

Utility

power
42.5 hp
displacement
165 ci
Cylinders
4
Forward gears
6
Full 950 specs
Allis ChalmersAllis Chalmers ED40
vs
David BrownDavid Brown 950

How they compare

Headline specs vs. the whole Utility

n = 3,933–5,720

Engine Power

▲ 950 higher · +1.5 hp (+4%)
ED4041 hp
95042.5 hp
Median Utility Tractor55 hp

ED40 is in the 35th percentile; 950 is in the 37th · 5,383 models

Engine Displacement

▲ 950 higher · +27 ci (+20%)
ED40138 ci
950165 ci
Median Utility Tractor183 ci

ED40 is in the 35th percentile; 950 is in the 44th · 5,580 models

Cylinders

= Effectively tied
ED404
9504
Median Utility Tractor4

ED40 is in the 50th percentile; 950 is in the 50th · 5,720 models

Forward Gears

▲ ED40 higher · +2 (+33%)
ED408
9506
Median Utility Tractor12

ED40 is in the 23rd percentile; 950 is in the 11th · 4,941 models

ED40 (A)950 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers ED40David Brown 950Difference
ManufacturerAllis ChalmersDavid Brown—
ModelED40950—
CategoryUtilityUtilitySame

Engine

SpecAllis Chalmers ED40David Brown 950Difference
ManufacturerStandard RicardoDavid Brown—
Model23CNot recorded—
Power Output41hp42.5hp▲ 950+1.5 hp · +4%
Rated RPM2,250RPM2,200RPM▲ ED40+50 RPM · +2%
Cylinders44Same
Displacement138ci165ci▲ 950+27 ci · +20%
Bore3.3in3.6in▲ 950+0.3 in · +9%
Stroke4in4inSame

Transmission

SpecAllis Chalmers ED40David Brown 950Difference
TypeGearTwin-Range—

Dimensions & Weight

SpecAllis Chalmers ED40David Brown 950Difference
Length114in118in▲ 950+4 in · +4%
Width63in64in▲ 950+1 in · +2%
Height68in78.5in▲ 950+10.5 in · +15%
Operating Weight3,527lb4,230lb▲ 950+703 lb · +20%

Hydraulics

SpecAllis Chalmers ED40David Brown 950Difference
System TypeOpen centerNot recorded—
Steering TypeManualManualSame

Power Take-off (PTO)

SpecAllis Chalmers ED40David Brown 950Difference
TypeNot recordedTransmission—
Speed 1Not recorded540rpm—
Speed 2Not recorded1,000rpm—

Hitch & Towing

SpecAllis Chalmers ED40David Brown 950Difference
Hitch CategoryIII/I—
Hitch PositionRearRearSame

Chassis & Drive

SpecAllis Chalmers ED40David Brown 950Difference
Chassis Type4x2 2WD4x2—
Drive Type2WD2WDSame
Steering TypeManualManualSame
Brake TypeNot recordedMechanical drum—

Electrical

SpecAllis Chalmers ED40David Brown 950Difference
Starter TypeElectric Starter - 12 voltsElectric—
Pre-heating SystemGlow plugsNot recorded—

Capacities

SpecAllis Chalmers ED40David Brown 950Difference
Coolant2.6gal3.6gal▲ 950+1 gal · +38%

Operator Station

SpecAllis Chalmers ED40David Brown 950Difference
TypeOpenOpen operator station—

Category context

Both models against the field

Engine Power

median 55 hp
A · 35th percentile (41 hp)B · 37th percentile (42.5 hp)

Engine Displacement

median 183 ci
A · 35th percentile (138 ci)B · 44th percentile (165 ci)

Cylinders

median 4
A · 50th percentile (4)B · 50th percentile (4)

Forward Gears

median 12
A · 23rd percentile (8)B · 11th percentile (6)

Operating Weight

median 5,303 lb
A · 30th percentile (3,527 lb)B · 40th percentile (4,230 lb)
A · ED40B · 950Median Utility Tractor
Full spec pageAllis Chalmers ED40Full spec pageDavid Brown 950