Head to head · Utility

Yanmar AF665 vs Yanmar FK663

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YanmarModel A

Yanmar AF665

Utility

power
65 hp
displacement
203 ci
Cylinders
4
Forward gears
18
Full AF665 specs
Yanmar FK663 Tractor
YanmarModel B

Yanmar FK663

Utility

power
63 hp
displacement
203 ci
Cylinders
4
Forward gears
18
Full FK663 specs
YanmarYanmar AF665
vs
YanmarYanmar FK663

How they compare

Headline specs vs. the whole Utility

n = 3,933–5,720

Engine Power

▲ AF665 higher · +2 hp (+3%)
AF66565 hp
FK66363 hp
Median Utility Tractor55 hp

AF665 is in the 59th percentile; FK663 is in the 57th · 5,383 models

Engine Displacement

= Effectively tied
AF665203 ci
FK663203 ci
Median Utility Tractor183 ci

AF665 is in the 55th percentile; FK663 is in the 55th · 5,580 models

Cylinders

= Effectively tied
AF6654
FK6634
Median Utility Tractor4

AF665 is in the 50th percentile; FK663 is in the 50th · 5,720 models

Forward Gears

= Effectively tied
AF66518
FK66318
Median Utility Tractor12

AF665 is in the 83rd percentile; FK663 is in the 83rd · 4,941 models

AF665 (A)FK663 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecYanmar AF665Yanmar FK663Difference
ManufacturerYanmarYanmarSame
ModelAF665FK663—
CategoryUtilityUtilitySame

Engine

SpecYanmar AF665Yanmar FK663Difference
ManufacturerYanmarYanmarSame
Model4TNV984TNV106T—
Power Output65hp63hp▲ AF665+2 hp · +3%
Rated RPM2,500RPM2,500RPMSame
Cylinders44Same
Displacement203ci203ciSame

Transmission

SpecYanmar AF665Yanmar FK663Difference
TypePower ShuttlePower shift—

Dimensions & Weight

SpecYanmar AF665Yanmar FK663Difference
Length144inNot recorded—
Width64.6in64.8in▲ FK663+0.2 in · <1%
Height98in98.4in▲ FK663+0.4 in · <1%
Operating Weight5,049lb5,236lb▲ FK663+187 lb · +4%

Hydraulics

SpecYanmar AF665Yanmar FK663Difference
Steering TypePowerNot recorded—

Hitch & Towing

SpecYanmar AF665Yanmar FK663Difference
Hitch CategoryCategory 3Category 3Same
Hitch PositionRearNot recorded—

Chassis & Drive

SpecYanmar AF665Yanmar FK663Difference
Chassis Type4x4 MFWD 4WDNot recorded—
Drive Type4WDNot recorded—
Steering TypePowerNot recorded—

Electrical

SpecYanmar AF665Yanmar FK663Difference
Starter TypeElectricNot recorded—

Category context

Both models against the field

Engine Power

median 55 hp
A · 59th percentile (65 hp)B · 57th percentile (63 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 · 48th percentile (5,049 lb)B · 50th percentile (5,236 lb)
A · AF665B · FK663Median Utility Tractor
Full spec pageYanmar AF665Full spec pageYanmar FK663