Head to head · Utility

Allis Chalmers ED40 vs Nuffield PM-4 Universal

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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
Image not recorded
NuffieldModel B

Nuffield PM-4 Universal

Utility

power
40.8 hp
displacement
230 ci
Cylinders
4
Forward gears
5
Full PM-4 Universal specs
Allis ChalmersAllis Chalmers ED40
vs
NuffieldNuffield PM-4 Universal

How they compare

Headline specs vs. the whole Utility

n = 4,321–5,720

Engine Power

▲ ED40 higher · +0.2 hp (<1%)
ED4041 hp
PM-4 Universal40.8 hp
Median Utility Tractor55 hp

ED40 is in the 35th percentile; PM-4 Universal is in the 35th · 5,383 models

Engine Displacement

▲ PM-4 Universal higher · +92 ci (+67%)
ED40138 ci
PM-4 Universal230 ci
Median Utility Tractor183 ci

ED40 is in the 35th percentile; PM-4 Universal is in the 62nd · 5,580 models

Cylinders

= Effectively tied
ED404
PM-4 Universal4
Median Utility Tractor4

ED40 is in the 50th percentile; PM-4 Universal is in the 50th · 5,720 models

Forward Gears

▲ ED40 higher · +3 (+60%)
ED408
PM-4 Universal5
Median Utility Tractor12

ED40 is in the 23rd percentile; PM-4 Universal is in the 6th · 4,941 models

ED40 (A)PM-4 Universal (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers ED40Nuffield PM-4 UniversalDifference
ManufacturerAllis ChalmersNuffield—
ModelED40PM-4 Universal—
CategoryUtilityUtilitySame

Engine

SpecAllis Chalmers ED40Nuffield PM-4 UniversalDifference
ManufacturerStandard RicardoMorris Motors—
Model23CNot recorded—
Power Output41hp40.8hp▲ ED40+0.2 hp · <1%
Rated RPM2,250RPM2,000RPM▲ ED40+250 RPM · +13%
Cylinders44Same
Displacement138ci230ci▲ PM-4 Universal+92 ci · +67%
Bore3.3in3.9in▲ PM-4 Universal+0.6 in · +18%
Stroke4in4.7in▲ PM-4 Universal+0.7 in · +18%

Transmission

SpecAllis Chalmers ED40Nuffield PM-4 UniversalDifference
TypeGearGearSame

Dimensions & Weight

SpecAllis Chalmers ED40Nuffield PM-4 UniversalDifference
Length114in122in▲ PM-4 Universal+8 in · +7%
Width63inNot recorded—
Height68in80.7in▲ PM-4 Universal+12.7 in · +19%
Operating Weight3,527lb5,307lb▲ PM-4 Universal+1,780 lb · +50%

Hydraulics

SpecAllis Chalmers ED40Nuffield PM-4 UniversalDifference
System TypeOpen centerOpen CenterSame
Steering TypeManualManualSame

Tires

SpecAllis Chalmers ED40Nuffield PM-4 UniversalDifference
Front Tire SizeNot recorded6.00-16—
Rear Tire SizeNot recorded11.00-36—

Hitch & Towing

SpecAllis Chalmers ED40Nuffield PM-4 UniversalDifference
Hitch CategoryINot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers ED40Nuffield PM-4 UniversalDifference
Chassis Type4x2 2WD4x2—
Drive Type2WD2WDSame
Steering TypeManualManualSame

Electrical

SpecAllis Chalmers ED40Nuffield PM-4 UniversalDifference
Starter TypeElectric Starter - 12 voltsElectric—
Pre-heating SystemGlow plugsNot recorded—

Capacities

SpecAllis Chalmers ED40Nuffield PM-4 UniversalDifference
Coolant2.6gal4.5gal▲ PM-4 Universal+1.9 gal · +73%

Operator Station

SpecAllis Chalmers ED40Nuffield PM-4 UniversalDifference
TypeOpenNot recorded—

Category context

Both models against the field

Engine Power

median 55 hp
A · 35th percentile (41 hp)B · 35th percentile (40.8 hp)

Engine Displacement

median 183 ci
A · 35th percentile (138 ci)B · 62nd percentile (230 ci)

Cylinders

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

Forward Gears

median 12
A · 23rd percentile (8)B · 6th percentile (5)

Operating Weight

median 5,303 lb
A · 30th percentile (3,527 lb)B · 50th percentile (5,307 lb)
A · ED40B · PM-4 UniversalMedian Utility Tractor
Full spec pageAllis Chalmers ED40Full spec pageNuffield PM-4 Universal