Head to head · Utility

UTB/Universal 640 vs UTB/Universal 643

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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 643

Utility

power
64 hp
displacement
219 ci
Cylinders
4
Forward gears
12
Full 643 specs
UTB/UniversalUTB/Universal 640
vs
UTB/UniversalUTB/Universal 643

How they compare

Headline specs vs. the whole Utility

n = 4,941–5,720

Engine Power

▲ 640 higher · +1 hp (+2%)
64065 hp
64364 hp
Median Utility Tractor55 hp

640 is in the 59th percentile; 643 is in the 57th · 5,383 models

Engine Displacement

= Effectively tied
640219 ci
643219 ci
Median Utility Tractor183 ci

640 is in the 60th percentile; 643 is in the 60th · 5,580 models

Cylinders

= Effectively tied
6404
6434
Median Utility Tractor4

640 is in the 50th percentile; 643 is in the 50th · 5,720 models

Forward Gears

▲ 643 higher · +4 (+50%)
6408
64312
Median Utility Tractor12

640 is in the 23rd percentile; 643 is in the 50th · 4,941 models

640 (A)643 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecUTB/Universal 640UTB/Universal 643Difference
ManufacturerUTB/UniversalUTB/UniversalSame
Model640643—
CategoryUtilityUtilitySame

Engine

SpecUTB/Universal 640UTB/Universal 643Difference
ManufacturerUTB/UniversalUTB—
Power Output65hp64hp▲ 640+1 hp · +2%
Rated RPM2,400RPM2,400RPMSame
Cylinders44Same
Displacement219ci219ciSame
Bore4in4inSame
Stroke4.3in4.3inSame

Transmission

SpecUTB/Universal 640UTB/Universal 643Difference
TypeConstant MeshMultiple (constant mesh, creeper, shuttle)—

Dimensions & Weight

SpecUTB/Universal 640UTB/Universal 643Difference
LengthNot recorded149in—
HeightNot recorded100in—
Operating Weight4,400lb6,192lb▲ 643+1,792 lb · +41%

Hydraulics

SpecUTB/Universal 640UTB/Universal 643Difference
System TypeOpen centerOpen centerSame
Steering TypeHydrostaticNot recorded—

Power Take-off (PTO)

SpecUTB/Universal 640UTB/Universal 643Difference
TypeRear PTO540/1000—
Speed 1540rpmNot recorded—

Hitch & Towing

SpecUTB/Universal 640UTB/Universal 643Difference
Hitch TypeThree-Point HitchCategory II—
Hitch CategoryII/I3—
Hitch PositionRearRearSame

Chassis & Drive

SpecUTB/Universal 640UTB/Universal 643Difference
Chassis Type4x2 2WDNot recorded—
Drive Type2WDNot recorded—
Steering TypeHydrostaticNot recorded—

Electrical

SpecUTB/Universal 640UTB/Universal 643Difference
Starter TypeElectricElectricSame

Capacities

SpecUTB/Universal 640UTB/Universal 643Difference
CoolantNot recorded3.7gal—

Operator Station

SpecUTB/Universal 640UTB/Universal 643Difference
TypeNot recordedOpen—

Category context

Both models against the field

Engine Power

median 55 hp
A · 59th percentile (65 hp)B · 57th percentile (64 hp)

Engine Displacement

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

Cylinders

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

Forward Gears

median 12
A · 23rd percentile (8)B · 50th percentile (12)

Operating Weight

median 5,303 lb
A · 42nd percentile (4,400 lb)B · 58th percentile (6,192 lb)
A · 640B · 643Median Utility Tractor
Full spec pageUTB/Universal 640Full spec pageUTB/Universal 643