Head to head · Utility

RK Tractors RK37H vs RK Tractors RK55

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RK TractorsModel A

RK Tractors RK37H

Utility

power
37.4 hp
displacement
100 ci
Cylinders
3
Forward gears
Not recorded
Full RK37H specs
Image not recorded
RK TractorsModel B

RK Tractors RK55

Utility

power
55 hp
displacement
128 ci
Cylinders
4
Forward gears
16
Full RK55 specs
RK TractorsRK Tractors RK37H
vs
RK TractorsRK Tractors RK55

How they compare

Headline specs vs. the whole Utility

n = 3,933–5,720

Engine Power

▲ RK55 higher · +17.6 hp (+47%)
RK37H37.4 hp
RK5555 hp
Median Utility Tractor55 hp

RK37H is in the 31st percentile; RK55 is in the 50th · 5,383 models

Engine Displacement

▲ RK55 higher · +28 ci (+28%)
RK37H100 ci
RK55128 ci
Median Utility Tractor183 ci

RK37H is in the 22nd percentile; RK55 is in the 30th · 5,580 models

Cylinders

▲ RK55 higher · +1 (+33%)
RK37H3
RK554
Median Utility Tractor4

RK37H is in the 23rd percentile; RK55 is in the 50th · 5,720 models

Length

▲ RK55 higher · +15 in (+12%)
RK37H126 in
RK55141 in
Median Utility Tractor137 in

RK37H is in the 36th percentile; RK55 is in the 56th · 4,659 models

RK37H (A)RK55 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecRK Tractors RK37HRK Tractors RK55Difference
ManufacturerRK TractorsRK TractorsSame
ModelRK37HRK55—
CategoryUtilityUtilitySame

Engine

SpecRK Tractors RK37HRK Tractors RK55Difference
ManufacturerYanmarYanmarSame
Model3TNV88-CR4TNV86T-CR—
Power Output37.4hp55hp▲ RK55+17.6 hp · +47%
Rated RPM3,000RPM2,800RPM▲ RK37H+200 RPM · +7%
Cylinders34▲ RK55+1 · +33%
Displacement100ci128ci▲ RK55+28 ci · +28%
Bore3.4in3.4inSame
Stroke3.5in3.5inSame

Transmission

SpecRK Tractors RK37HRK Tractors RK55Difference
TypeHydrostaticNot recorded—

Dimensions & Weight

SpecRK Tractors RK37HRK Tractors RK55Difference
Length126in141in▲ RK55+15 in · +12%
Width53.5in63.8in▲ RK55+10.3 in · +19%
Height94.5inNot recorded—
Operating Weight3,106lbNot recorded—

Hydraulics

SpecRK Tractors RK37HRK Tractors RK55Difference
Steering TypePowerPowerSame

Power Take-off (PTO)

SpecRK Tractors RK37HRK Tractors RK55Difference
TypeNot recordedIndependent with electro-hydraulic clutch—
Speed 1Not recorded540rpm—

Tires

SpecRK Tractors RK37HRK Tractors RK55Difference
Front Tire Size16-JulNot recorded—
Rear Tire Size11.2x24Not recorded—

Hitch & Towing

SpecRK Tractors RK37HRK Tractors RK55Difference
Hitch TypeCategory 3Not recorded—
Hitch CategoryIISame
Hitch PositionRearNot recorded—
Hitch CapacityNot recorded3,310lb—

Chassis & Drive

SpecRK Tractors RK37HRK Tractors RK55Difference
Chassis Type4x4 MFWD 4WD4x4 MFWD 4WDSame
Drive Type4WD4WDSame
Steering TypePowerPowerSame
Brake TypeNot recordedWet disc—

Electrical

SpecRK Tractors RK37HRK Tractors RK55Difference
Starter TypeElectricElectricSame

Operator Station

SpecRK Tractors RK37HRK Tractors RK55Difference
TypeOpen with ROPSTwo-post ROPS—

Category context

Both models against the field

Engine Power

median 55 hp
A · 31st percentile (37.4 hp)B · 50th percentile (55 hp)

Engine Displacement

median 183 ci
A · 22nd percentile (100 ci)B · 30th percentile (128 ci)

Cylinders

median 4
A · 23rd percentile (3)B · 50th percentile (4)

Length

median 137 in
A · 36th percentile (126 in)B · 56th percentile (141 in)

Width

median 66 in
A · 23rd percentile (53.5 in)B · 44th percentile (63.8 in)
A · RK37HB · RK55Median Utility Tractor
Full spec pageRK Tractors RK37HFull spec pageRK Tractors RK55