Head to head · Sub-Compact

AGCO ST45 vs Yanmar AF645

AGCO ST45 Tractor
AGCOModel A

AGCO ST45

Sub-Compact

power
44.2 hp
displacement
134 ci
Cylinders
4
Forward gears
16
Full ST45 specs
Image not recorded
YanmarModel B

Yanmar AF645

Utility

power
45 hp
displacement
168 ci
Cylinders
4
Forward gears
18
Full AF645 specs
AGCOAGCO ST45
vs
YanmarYanmar AF645

How they compare

Headline specs vs. the whole Sub-Compact

n = 584–816

Engine Power

▲ AF645 higher · +0.8 hp (+2%)
ST4544.2 hp
AF64545 hp
Median Sub-Compact Tractor26.9 hp

ST45 is in the 81st percentile; AF645 is in the 83rd · 816 models

Engine Displacement

▲ AF645 higher · +34 ci (+25%)
ST45134 ci
AF645168 ci
Median Sub-Compact Tractor91.4 ci

ST45 is in the 74th percentile; AF645 is in the 90th · 757 models

Cylinders

= Effectively tied
ST454
AF6454
Median Sub-Compact Tractor3

ST45 is in the 90th percentile; AF645 is in the 90th · 802 models

Forward Gears

▲ AF645 higher · +2 (+13%)
ST4516
AF64518
Median Sub-Compact Tractor9

ST45 is in the 89th percentile; AF645 is in the 96th · 616 models

ST45 (A)AF645 (B)Median Sub-Compact Tractor

Full comparison

Every spec, side by side

General Information

SpecAGCO ST45Yanmar AF645Difference
ManufacturerAGCOYanmar—
ModelST45AF645—
CategorySub-CompactUtility—

Engine

SpecAGCO ST45Yanmar AF645Difference
ManufacturerIsekiYanmar—
ModelE4CG4TNV94—
Power Output44.2hp45hp▲ AF645+0.8 hp · +2%
Rated RPM2,600RPM2,500RPM▲ ST45+100 RPM · +4%
Cylinders44Same
Displacement134ci168ci▲ AF645+34 ci · +25%
Bore3.4inNot recorded—
Stroke3.6inNot recorded—

Transmission

SpecAGCO ST45Yanmar AF645Difference
TypeMechanical ShuttlePower Shuttle—

Dimensions & Weight

SpecAGCO ST45Yanmar AF645Difference
Length137in136in▲ ST45+1 in · <1%
Width69.1in63in▲ ST45+6.1 in · +10%
Height89in96.9in▲ AF645+7.9 in · +9%
Operating Weight4,448lb4,883lb▲ AF645+435 lb · +10%

Hydraulics

SpecAGCO ST45Yanmar AF645Difference
System TypeOpen CenterNot recorded—
Steering TypePowerPowerSame

Power Take-off (PTO)

SpecAGCO ST45Yanmar AF645Difference
Type540 (rear) / 2000 (mid)Not recorded—
Speed 1540rpmNot recorded—
Speed 22,000rpmNot recorded—

Hitch & Towing

SpecAGCO ST45Yanmar AF645Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryINot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAGCO ST45Yanmar AF645Difference
Chassis TypeNot recorded4x4 MFWD 4WD—
Drive TypeNot recorded4WD—
Steering TypePowerPowerSame

Electrical

SpecAGCO ST45Yanmar AF645Difference
Starter TypeElectricElectricSame

Capacities

SpecAGCO ST45Yanmar AF645Difference
Coolant2.5galNot recorded—

Operator Station

SpecAGCO ST45Yanmar AF645Difference
TypeROPSNot recorded—

Category context

Both models against the field

Engine Power

median 26.9 hp
A · 81st percentile (44.2 hp)B · 83rd percentile (45 hp)

Engine Displacement

median 91.4 ci
A · 74th percentile (134 ci)B · 90th percentile (168 ci)

Cylinders

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

Forward Gears

median 9
A · 89th percentile (16)B · 96th percentile (18)

Operating Weight

median 2,700 lb
A · 87th percentile (4,448 lb)B · 91st percentile (4,883 lb)
A · ST45B · AF645Median Sub-Compact Tractor
Full spec pageAGCO ST45Full spec pageYanmar AF645