Head to head · Utility

Ascot Universal 550 vs RK Tractors RK55S

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Ascot UniversalModel A

Ascot Universal 550

Tractor

power
55 hp
displacement
190 ci
Cylinders
4
Forward gears
12
Full 550 specs
RK Tractors RK55S Tractor
RK TractorsModel B

RK Tractors RK55S

Utility

power
55.1 hp
displacement
128 ci
Cylinders
4
Forward gears
16
Full RK55S specs
Ascot UniversalAscot Universal 550
vs
RK TractorsRK Tractors RK55S

How they compare

Headline specs vs. the whole Utility

n = 4,941–5,720

Engine Power

▲ RK55S higher · +0.1 hp (<1%)
55055 hp
RK55S55.1 hp
Median Utility Tractor55 hp

550 is in the 50th percentile; RK55S is in the 50th · 5,383 models

Engine Displacement

▲ 550 higher · +62 ci (+48%)
550190 ci
RK55S128 ci
Median Utility Tractor183 ci

550 is in the 51st percentile; RK55S is in the 30th · 5,580 models

Cylinders

= Effectively tied
5504
RK55S4
Median Utility Tractor4

550 is in the 50th percentile; RK55S is in the 50th · 5,720 models

Forward Gears

▲ RK55S higher · +4 (+33%)
55012
RK55S16
Median Utility Tractor12

550 is in the 50th percentile; RK55S is in the 73rd · 4,941 models

550 (A)RK55S (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAscot Universal 550RK Tractors RK55SDifference
ManufacturerAscot UniversalRK Tractors—
Model550RK55S—
CategoryNot recordedUtility—

Engine

SpecAscot Universal 550RK Tractors RK55SDifference
ManufacturerUTBYanmar—
ModelNot recorded4TNV86T-CR—
Power Output55hp55.1hp▲ RK55S+0.1 hp · <1%
Rated RPM2,400RPM2,800RPM▲ RK55S+400 RPM · +17%
Cylinders44Same
Displacement190ci128ci▲ 550+62 ci · +48%
Bore3.7in3.4in▲ 550+0.3 in · +9%
Stroke4.3in3.5in▲ 550+0.8 in · +23%

Transmission

SpecAscot Universal 550RK Tractors RK55SDifference
Type12-speed constant meshMechanical shuttle—

Dimensions & Weight

SpecAscot Universal 550RK Tractors RK55SDifference
LengthNot recorded141in—
WidthNot recorded63.8in—
HeightNot recorded102in—
Operating Weight4,600lb3,814lb▲ 550+786 lb · +21%

Hydraulics

SpecAscot Universal 550RK Tractors RK55SDifference
System TypeOpen CenterNot recorded—
Steering TypePowerPowerSame

Tread Width

SpecAscot Universal 550RK Tractors RK55SDifference
Front Tread Width7.5inNot recorded—
Rear Tread18.4inNot recorded—

Hitch & Towing

SpecAscot Universal 550RK Tractors RK55SDifference
Hitch CategoryII/II—

Chassis & Drive

SpecAscot Universal 550RK Tractors RK55SDifference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WD4WD—
Steering TypePowerPowerSame

Electrical

SpecAscot Universal 550RK Tractors RK55SDifference
Battery Voltage12VNot recorded—
Starter TypeElectricElectricSame

Operator Station

SpecAscot Universal 550RK Tractors RK55SDifference
TypeNot recordedROPS—

Category context

Both models against the field

Engine Power

median 55 hp
A · 50th percentile (55 hp)B · 50th percentile (55.1 hp)

Engine Displacement

median 183 ci
A · 51st percentile (190 ci)B · 30th percentile (128 ci)

Cylinders

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

Forward Gears

median 12
A · 50th percentile (12)B · 73rd percentile (16)

Operating Weight

median 5,303 lb
A · 44th percentile (4,600 lb)B · 34th percentile (3,814 lb)
A · 550B · RK55SMedian Utility Tractor
Full spec pageAscot Universal 550Full spec pageRK Tractors RK55S