Head to head · Utility

International Harvester 606 vs Nuffield PM-4 Universal

International Harvester 504 Tractor
International HarvesterModel A

International Harvester 606

Utility

power
50 hp
displacement
221 ci
Cylinders
6
Forward gears
10
Full 606 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
International HarvesterInternational Harvester 606
vs
NuffieldNuffield PM-4 Universal

How they compare

Headline specs vs. the whole Utility

n = 4,941–5,720

Engine Power

▲ 606 higher · +9.2 hp (+23%)
60650 hp
PM-4 Universal40.8 hp
Median Utility Tractor55 hp

606 is in the 45th percentile; PM-4 Universal is in the 35th · 5,383 models

Engine Displacement

▲ PM-4 Universal higher · +9 ci (+4%)
606221 ci
PM-4 Universal230 ci
Median Utility Tractor183 ci

606 is in the 61st percentile; PM-4 Universal is in the 62nd · 5,580 models

Cylinders

▲ 606 higher · +2 (+50%)
6066
PM-4 Universal4
Median Utility Tractor4

606 is in the 93rd percentile; PM-4 Universal is in the 50th · 5,720 models

Forward Gears

▲ 606 higher · +5 (+100%)
60610
PM-4 Universal5
Median Utility Tractor12

606 is in the 39th percentile; PM-4 Universal is in the 6th · 4,941 models

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

Full comparison

Every spec, side by side

General Information

SpecInternational Harvester 606Nuffield PM-4 UniversalDifference
ManufacturerInternational HarvesterNuffield—
Model606PM-4 Universal—
CategoryUtilityUtilitySame

Engine

SpecInternational Harvester 606Nuffield PM-4 UniversalDifference
ManufacturerInternational HarvesterMorris Motors—
ModelC-221Not recorded—
Power Output50hp40.8hp▲ 606+9.2 hp · +23%
Rated RPM2,000RPM2,000RPMSame
Cylinders64▲ 606+2 · +50%
Displacement221ci230ci▲ PM-4 Universal+9 ci · +4%
Bore3.5in3.9in▲ PM-4 Universal+0.4 in · +11%
Stroke3.7in4.7in▲ PM-4 Universal+1 in · +27%

Transmission

SpecInternational Harvester 606Nuffield PM-4 UniversalDifference
TypePartial power shiftGear—

Dimensions & Weight

SpecInternational Harvester 606Nuffield PM-4 UniversalDifference
LengthNot recorded122in—
HeightNot recorded80.7in—
Operating Weight5,215lb5,307lb▲ PM-4 Universal+92 lb · +2%

Hydraulics

SpecInternational Harvester 606Nuffield PM-4 UniversalDifference
System TypeNot recordedOpen Center—
Steering TypeNot recordedManual—

Power Take-off (PTO)

SpecInternational Harvester 606Nuffield PM-4 UniversalDifference
TypeIndependentNot recorded—
Speed 1540rpmNot recorded—

Tires

SpecInternational Harvester 606Nuffield PM-4 UniversalDifference
Front Tire SizeNot recorded6.00-16—
Rear Tire SizeNot recorded11.00-36—

Hitch & Towing

SpecInternational Harvester 606Nuffield PM-4 UniversalDifference
Hitch CategoryII/INot recorded—

Chassis & Drive

SpecInternational Harvester 606Nuffield PM-4 UniversalDifference
Chassis Type4x2 2WD4x2—
Drive Type2WD2WDSame
Steering TypeNot recordedManual—
Brake TypeIndependent mechanical discNot recorded—

Electrical

SpecInternational Harvester 606Nuffield PM-4 UniversalDifference
Starter TypeElectricElectricSame

Capacities

SpecInternational Harvester 606Nuffield PM-4 UniversalDifference
Coolant5.1gal4.5gal▲ 606+0.6 gal · +13%

Operator Station

SpecInternational Harvester 606Nuffield PM-4 UniversalDifference
TypeOpen operator stationNot recorded—

Category context

Both models against the field

Engine Power

median 55 hp
A · 45th percentile (50 hp)B · 35th percentile (40.8 hp)

Engine Displacement

median 183 ci
A · 61st percentile (221 ci)B · 62nd percentile (230 ci)

Cylinders

median 4
A · 93rd percentile (6)B · 50th percentile (4)

Forward Gears

median 12
A · 39th percentile (10)B · 6th percentile (5)

Operating Weight

median 5,303 lb
A · 50th percentile (5,215 lb)B · 50th percentile (5,307 lb)
A · 606B · PM-4 UniversalMedian Utility Tractor
Full spec pageInternational Harvester 606Full spec pageNuffield PM-4 Universal