Head to head · Sub-Compact

AGCO ST40 vs Nuffield PM-4 Universal

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AGCOModel A

AGCO ST40

Sub-Compact

power
40.1 hp
displacement
91.4 ci
Cylinders
3
Forward gears
16
Full ST40 specs
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NuffieldModel B

Nuffield PM-4 Universal

Utility

power
40.8 hp
displacement
230 ci
Cylinders
4
Forward gears
5
Full PM-4 Universal specs
AGCOAGCO ST40
vs
NuffieldNuffield PM-4 Universal

How they compare

Headline specs vs. the whole Sub-Compact

n = 616–816

Engine Power

▲ PM-4 Universal higher · +0.7 hp (+2%)
ST4040.1 hp
PM-4 Universal40.8 hp
Median Sub-Compact Tractor26.9 hp

ST40 is in the 77th percentile; PM-4 Universal is in the 77th · 816 models

Engine Displacement

▲ PM-4 Universal higher · +139 ci (+152%)
ST4091.4 ci
PM-4 Universal230 ci
Median Sub-Compact Tractor91.4 ci

ST40 is in the 50th percentile; PM-4 Universal is in the 98th · 757 models

Cylinders

▲ PM-4 Universal higher · +1 (+33%)
ST403
PM-4 Universal4
Median Sub-Compact Tractor3

ST40 is in the 50th percentile; PM-4 Universal is in the 90th · 802 models

Forward Gears

▲ ST40 higher · +11 (+220%)
ST4016
PM-4 Universal5
Median Sub-Compact Tractor9

ST40 is in the 89th percentile; PM-4 Universal is in the 4th · 616 models

ST40 (A)PM-4 Universal (B)Median Sub-Compact Tractor

Full comparison

Every spec, side by side

General Information

SpecAGCO ST40Nuffield PM-4 UniversalDifference
ManufacturerAGCONuffield—
ModelST40PM-4 Universal—
CategorySub-CompactUtility—

Engine

SpecAGCO ST40Nuffield PM-4 UniversalDifference
ManufacturerIsekiMorris Motors—
ModelE3CDNot recorded—
Power Output40.1hp40.8hp▲ PM-4 Universal+0.7 hp · +2%
Rated RPM2,600RPM2,000RPM▲ ST40+600 RPM · +30%
Cylinders34▲ PM-4 Universal+1 · +33%
Displacement91.4ci230ci▲ PM-4 Universal+139 ci · +152%
Bore3.4in3.9in▲ PM-4 Universal+0.5 in · +15%
Stroke3.3in4.7in▲ PM-4 Universal+1.4 in · +42%

Transmission

SpecAGCO ST40Nuffield PM-4 UniversalDifference
TypeMultiple options available (synchronized shuttle, power shuttle, hydrostatic)Gear—

Dimensions & Weight

SpecAGCO ST40Nuffield PM-4 UniversalDifference
Length122in122inSame
Width60.2inNot recorded—
Height94.4in80.7in▲ ST40+13.7 in · +17%
Operating Weight3,323lb5,307lb▲ PM-4 Universal+1,984 lb · +60%

Hydraulics

SpecAGCO ST40Nuffield PM-4 UniversalDifference
System TypeOpen CenterOpen CenterSame
Steering TypePowerManual—

Power Take-off (PTO)

SpecAGCO ST40Nuffield PM-4 UniversalDifference
TypeRear PTO: 540, Mid PTO: SAE 15 1.0Not recorded—
Speed 1540rpmNot recorded—

Tires

SpecAGCO ST40Nuffield PM-4 UniversalDifference
Front Tire SizeNot recorded6.00-16—
Rear Tire Size13.6-2411.00-36—

Hitch & Towing

SpecAGCO ST40Nuffield PM-4 UniversalDifference
Hitch TypeRearNot recorded—
Hitch CategoryINot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAGCO ST40Nuffield PM-4 UniversalDifference
Chassis Type4WD4x2—
Drive Type4WD2WD—
Steering TypePowerManual—

Electrical

SpecAGCO ST40Nuffield PM-4 UniversalDifference
Starter TypeElectricElectricSame

Capacities

SpecAGCO ST40Nuffield PM-4 UniversalDifference
Coolant1.7gal4.5gal▲ PM-4 Universal+2.8 gal · +165%

Operator Station

SpecAGCO ST40Nuffield PM-4 UniversalDifference
TypeROPSNot recorded—

Category context

Both models against the field

Engine Power

median 26.9 hp
A · 77th percentile (40.1 hp)B · 77th percentile (40.8 hp)

Engine Displacement

median 91.4 ci
A · 50th percentile (91.4 ci)B · 98th percentile (230 ci)

Cylinders

median 3
A · 50th percentile (3)B · 90th percentile (4)

Forward Gears

median 9
A · 89th percentile (16)B · 4th percentile (5)

Operating Weight

median 2,700 lb
A · 63rd percentile (3,323 lb)B · 94th percentile (5,307 lb)
A · ST40B · PM-4 UniversalMedian Sub-Compact Tractor
Full spec pageAGCO ST40Full spec pageNuffield PM-4 Universal