Head to head · Sub-Compact

AGCO ST40 vs AGCO ST45

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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
AGCO ST45 Tractor
AGCOModel B

AGCO ST45

Sub-Compact

power
44.2 hp
displacement
134 ci
Cylinders
4
Forward gears
16
Full ST45 specs
AGCOAGCO ST40
vs
AGCOAGCO ST45

How they compare

Headline specs vs. the whole Sub-Compact

n = 584–816

Engine Power

▲ ST45 higher · +4.1 hp (+10%)
ST4040.1 hp
ST4544.2 hp
Median Sub-Compact Tractor26.9 hp

ST40 is in the 77th percentile; ST45 is in the 81st · 816 models

Engine Displacement

▲ ST45 higher · +42.6 ci (+47%)
ST4091.4 ci
ST45134 ci
Median Sub-Compact Tractor91.4 ci

ST40 is in the 50th percentile; ST45 is in the 74th · 757 models

Cylinders

▲ ST45 higher · +1 (+33%)
ST403
ST454
Median Sub-Compact Tractor3

ST40 is in the 50th percentile; ST45 is in the 90th · 802 models

Forward Gears

= Effectively tied
ST4016
ST4516
Median Sub-Compact Tractor9

ST40 is in the 89th percentile; ST45 is in the 89th · 616 models

ST40 (A)ST45 (B)Median Sub-Compact Tractor

Full comparison

Every spec, side by side

General Information

SpecAGCO ST40AGCO ST45Difference
ManufacturerAGCOAGCOSame
ModelST40ST45—
CategorySub-CompactSub-CompactSame

Engine

SpecAGCO ST40AGCO ST45Difference
ManufacturerIsekiIsekiSame
ModelE3CDE4CG—
Power Output40.1hp44.2hp▲ ST45+4.1 hp · +10%
Rated RPM2,600RPM2,600RPMSame
Cylinders34▲ ST45+1 · +33%
Displacement91.4ci134ci▲ ST45+42.6 ci · +47%
Bore3.4in3.4inSame
Stroke3.3in3.6in▲ ST45+0.3 in · +9%

Transmission

SpecAGCO ST40AGCO ST45Difference
TypeMultiple options available (synchronized shuttle, power shuttle, hydrostatic)Mechanical Shuttle—

Dimensions & Weight

SpecAGCO ST40AGCO ST45Difference
Length122in137in▲ ST45+15 in · +12%
Width60.2in69.1in▲ ST45+8.9 in · +15%
Height94.4in89in▲ ST40+5.4 in · +6%
Operating Weight3,323lb4,448lb▲ ST45+1,125 lb · +34%

Hydraulics

SpecAGCO ST40AGCO ST45Difference
System TypeOpen CenterOpen CenterSame
Steering TypePowerPowerSame

Power Take-off (PTO)

SpecAGCO ST40AGCO ST45Difference
TypeRear PTO: 540, Mid PTO: SAE 15 1.0540 (rear) / 2000 (mid)—
Speed 1540rpm540rpmSame
Speed 2Not recorded2,000rpm—

Tires

SpecAGCO ST40AGCO ST45Difference
Rear Tire Size13.6-24Not recorded—

Hitch & Towing

SpecAGCO ST40AGCO ST45Difference
Hitch TypeRearThree-Point Hitch—
Hitch CategoryIISame
Hitch PositionRearRearSame

Chassis & Drive

SpecAGCO ST40AGCO ST45Difference
Chassis Type4WDNot recorded—
Drive Type4WDNot recorded—
Steering TypePowerPowerSame

Electrical

SpecAGCO ST40AGCO ST45Difference
Starter TypeElectricElectricSame

Capacities

SpecAGCO ST40AGCO ST45Difference
Coolant1.7gal2.5gal▲ ST45+0.8 gal · +47%

Operator Station

SpecAGCO ST40AGCO ST45Difference
TypeROPSROPSSame

Category context

Both models against the field

Engine Power

median 26.9 hp
A · 77th percentile (40.1 hp)B · 81st percentile (44.2 hp)

Engine Displacement

median 91.4 ci
A · 50th percentile (91.4 ci)B · 74th percentile (134 ci)

Cylinders

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

Forward Gears

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

Operating Weight

median 2,700 lb
A · 63rd percentile (3,323 lb)B · 87th percentile (4,448 lb)
A · ST40B · ST45Median Sub-Compact Tractor
Full spec pageAGCO ST40Full spec pageAGCO ST45