Head to head · Utility

Yanmar AF660 vs Yanmar FK657

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YanmarModel A

Yanmar AF660

Utility

power
60 hp
displacement
203 ci
Cylinders
4
Forward gears
18
Full AF660 specs
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YanmarModel B

Yanmar FK657

Utility

power
57 hp
displacement
203 ci
Cylinders
4
Forward gears
18
Full FK657 specs
YanmarYanmar AF660
vs
YanmarYanmar FK657

How they compare

Headline specs vs. the whole Utility

n = 3,933–5,720

Engine Power

▲ AF660 higher · +3 hp (+5%)
AF66060 hp
FK65757 hp
Median Utility Tractor55 hp

AF660 is in the 54th percentile; FK657 is in the 51st · 5,383 models

Engine Displacement

= Effectively tied
AF660203 ci
FK657203 ci
Median Utility Tractor183 ci

AF660 is in the 55th percentile; FK657 is in the 55th · 5,580 models

Cylinders

= Effectively tied
AF6604
FK6574
Median Utility Tractor4

AF660 is in the 50th percentile; FK657 is in the 50th · 5,720 models

Forward Gears

= Effectively tied
AF66018
FK65718
Median Utility Tractor12

AF660 is in the 83rd percentile; FK657 is in the 83rd · 4,941 models

AF660 (A)FK657 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecYanmar AF660Yanmar FK657Difference
ManufacturerYanmarYanmarSame
ModelAF660FK657—
CategoryUtilityUtilitySame

Engine

SpecYanmar AF660Yanmar FK657Difference
ManufacturerYanmarYanmarSame
Model4TNV984TNV106T—
Power Output60hp57hp▲ AF660+3 hp · +5%
Rated RPM2,500RPM2,500RPMSame
Cylinders44Same
Displacement203ci203ciSame

Transmission

SpecYanmar AF660Yanmar FK657Difference
TypePower shuttlePower shift—

Dimensions & Weight

SpecYanmar AF660Yanmar FK657Difference
Length139inNot recorded—
Width64.6in64.8in▲ FK657+0.2 in · <1%
Height97.8in98.4in▲ FK657+0.6 in · <1%
Operating Weight4,971lb5,236lb▲ FK657+265 lb · +5%

Hydraulics

SpecYanmar AF660Yanmar FK657Difference
Steering TypePowerNot recorded—

Hitch & Towing

SpecYanmar AF660Yanmar FK657Difference
Hitch TypeCategory INot recorded—
Hitch CategoryCategory 3Not recorded—

Chassis & Drive

SpecYanmar AF660Yanmar FK657Difference
Chassis Type4x4 MFWD 4WDNot recorded—
Drive Type4WDNot recorded—
Steering TypePowerNot recorded—

Electrical

SpecYanmar AF660Yanmar FK657Difference
Starter TypeElectricNot recorded—

Category context

Both models against the field

Engine Power

median 55 hp
A · 54th percentile (60 hp)B · 51st percentile (57 hp)

Engine Displacement

median 183 ci
A · 55th percentile (203 ci)B · 55th percentile (203 ci)

Cylinders

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

Forward Gears

median 12
A · 83rd percentile (18)B · 83rd percentile (18)

Operating Weight

median 5,303 lb
A · 47th percentile (4,971 lb)B · 50th percentile (5,236 lb)
A · AF660B · FK657Median Utility Tractor
Full spec pageYanmar AF660Full spec pageYanmar FK657