Head to head · Utility

UTB/Universal 640 vs UTB/Universal U-651M

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UTB/UniversalModel A

UTB/Universal 640

Utility

power
65 hp
displacement
219 ci
Cylinders
4
Forward gears
8
Full 640 specs
Image not recorded
UTB/UniversalModel B

UTB/Universal U-651M

Tractor

power
65 hp
displacement
291 ci
Cylinders
4
Forward gears
10
Full U-651M specs
UTB/UniversalUTB/Universal 640
vs
UTB/UniversalUTB/Universal U-651M

How they compare

Headline specs vs. the whole Utility

n = 4,941–5,720

Engine Power

= Effectively tied
64065 hp
U-651M65 hp
Median Utility Tractor55 hp

640 is in the 59th percentile; U-651M is in the 59th · 5,383 models

Engine Displacement

▲ U-651M higher · +72 ci (+33%)
640219 ci
U-651M291 ci
Median Utility Tractor183 ci

640 is in the 60th percentile; U-651M is in the 84th · 5,580 models

Cylinders

= Effectively tied
6404
U-651M4
Median Utility Tractor4

640 is in the 50th percentile; U-651M is in the 50th · 5,720 models

Forward Gears

▲ U-651M higher · +2 (+25%)
6408
U-651M10
Median Utility Tractor12

640 is in the 23rd percentile; U-651M is in the 39th · 4,941 models

640 (A)U-651M (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecUTB/Universal 640UTB/Universal U-651MDifference
ManufacturerUTB/UniversalUTB/UniversalSame
Model640U-651M—
CategoryUtilityNot recorded—

Engine

SpecUTB/Universal 640UTB/Universal U-651MDifference
ManufacturerUTB/UniversalUTB—
ModelNot recordedD-110—
Power Output65hp65hpSame
Rated RPM2,400RPM1,800RPM▲ 640+600 RPM · +33%
Cylinders44Same
Displacement219ci291ci▲ U-651M+72 ci · +33%
Bore4in4.3in▲ U-651M+0.3 in · +7%
Stroke4.3in5.1in▲ U-651M+0.8 in · +19%

Transmission

SpecUTB/Universal 640UTB/Universal U-651MDifference
TypeConstant MeshManual—

Dimensions & Weight

SpecUTB/Universal 640UTB/Universal U-651MDifference
LengthNot recorded155in—
WidthNot recorded74.8in—
HeightNot recorded104in—
Operating Weight4,400lb8,069lb▲ U-651M+3,669 lb · +83%

Hydraulics

SpecUTB/Universal 640UTB/Universal U-651MDifference
System TypeOpen centerNot recorded—
Steering TypeHydrostaticNot recorded—

Power Take-off (PTO)

SpecUTB/Universal 640UTB/Universal U-651MDifference
TypeRear PTONot recorded—
Speed 1540rpmNot recorded—

Hitch & Towing

SpecUTB/Universal 640UTB/Universal U-651MDifference
Hitch TypeThree-Point HitchThree-Point HitchSame
Hitch CategoryII/ICategory 2—
Hitch PositionRearRearSame

Chassis & Drive

SpecUTB/Universal 640UTB/Universal U-651MDifference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WD4WD—
Steering TypeHydrostaticNot recorded—

Electrical

SpecUTB/Universal 640UTB/Universal U-651MDifference
Starter TypeElectricElectric Starter—

Category context

Both models against the field

Engine Power

median 55 hp
A · 59th percentile (65 hp)B · 59th percentile (65 hp)

Engine Displacement

median 183 ci
A · 60th percentile (219 ci)B · 84th percentile (291 ci)

Cylinders

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

Forward Gears

median 12
A · 23rd percentile (8)B · 39th percentile (10)

Operating Weight

median 5,303 lb
A · 42nd percentile (4,400 lb)B · 76th percentile (8,069 lb)
A · 640B · U-651MMedian Utility Tractor
Full spec pageUTB/Universal 640Full spec pageUTB/Universal U-651M