Head to head · Sub-Compact

AGCO ST40 vs Yanmar YM4220

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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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YanmarModel B

Yanmar YM4220

Utility

power
42 hp
displacement
87.2 ci
Cylinders
3
Forward gears
15
Full YM4220 specs
AGCOAGCO ST40
vs
YanmarYanmar YM4220

How they compare

Headline specs vs. the whole Sub-Compact

n = 584–816

Engine Power

▲ YM4220 higher · +1.9 hp (+5%)
ST4040.1 hp
YM422042 hp
Median Sub-Compact Tractor26.9 hp

ST40 is in the 77th percentile; YM4220 is in the 80th · 816 models

Engine Displacement

▲ ST40 higher · +4.2 ci (+5%)
ST4091.4 ci
YM422087.2 ci
Median Sub-Compact Tractor91.4 ci

ST40 is in the 50th percentile; YM4220 is in the 46th · 757 models

Cylinders

= Effectively tied
ST403
YM42203
Median Sub-Compact Tractor3

ST40 is in the 50th percentile; YM4220 is in the 50th · 802 models

Forward Gears

▲ ST40 higher · +1 (+7%)
ST4016
YM422015
Median Sub-Compact Tractor9

ST40 is in the 89th percentile; YM4220 is in the 82nd · 616 models

ST40 (A)YM4220 (B)Median Sub-Compact Tractor

Full comparison

Every spec, side by side

General Information

SpecAGCO ST40Yanmar YM4220Difference
ManufacturerAGCOYanmar—
ModelST40YM4220—
CategorySub-CompactUtility—

Engine

SpecAGCO ST40Yanmar YM4220Difference
ManufacturerIsekiYanmar—
ModelE3CD3T84T—
Power Output40.1hp42hp▲ YM4220+1.9 hp · +5%
Rated RPM2,600RPMNot recorded—
Cylinders33Same
Displacement91.4ci87.2ci▲ ST40+4.2 ci · +5%
Bore3.4in3.3in▲ ST40+0.1 in · +3%
Stroke3.3in3.4in▲ YM4220+0.1 in · +3%

Transmission

SpecAGCO ST40Yanmar YM4220Difference
TypeMultiple options available (synchronized shuttle, power shuttle, hydrostatic)Partial power shift—

Dimensions & Weight

SpecAGCO ST40Yanmar YM4220Difference
Length122in125in▲ YM4220+3 in · +2%
Width60.2in59in▲ ST40+1.2 in · +2%
Height94.4in78in▲ ST40+16.4 in · +21%
Operating Weight3,323lb3,351lb▲ YM4220+28 lb · <1%

Hydraulics

SpecAGCO ST40Yanmar YM4220Difference
System TypeOpen CenterNot recorded—
Steering TypePowerNot recorded—

Power Take-off (PTO)

SpecAGCO ST40Yanmar YM4220Difference
TypeRear PTO: 540, Mid PTO: SAE 15 1.0Not recorded—
Speed 1540rpmNot recorded—

Tires

SpecAGCO ST40Yanmar YM4220Difference
Rear Tire Size13.6-24Not recorded—

Hitch & Towing

SpecAGCO ST40Yanmar YM4220Difference
Hitch TypeRearNot recorded—
Hitch CategoryINot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAGCO ST40Yanmar YM4220Difference
Chassis Type4WD4x2 2WD—
Drive Type4WD2WD—
Steering TypePowerNot recorded—

Electrical

SpecAGCO ST40Yanmar YM4220Difference
Starter TypeElectricElectricSame

Capacities

SpecAGCO ST40Yanmar YM4220Difference
Coolant1.7galNot recorded—

Operator Station

SpecAGCO ST40Yanmar YM4220Difference
TypeROPSNot recorded—

Category context

Both models against the field

Engine Power

median 26.9 hp
A · 77th percentile (40.1 hp)B · 80th percentile (42 hp)

Engine Displacement

median 91.4 ci
A · 50th percentile (91.4 ci)B · 46th percentile (87.2 ci)

Cylinders

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

Forward Gears

median 9
A · 89th percentile (16)B · 82nd percentile (15)

Operating Weight

median 2,700 lb
A · 63rd percentile (3,323 lb)B · 63rd percentile (3,351 lb)
A · ST40B · YM4220Median Sub-Compact Tractor
Full spec pageAGCO ST40Full spec pageYanmar YM4220