Head to head · Row Crop

Allis Chalmers D14 vs RK Tractors RK37S

Allis Chalmers D14 Tractor
Allis ChalmersModel A

Allis Chalmers D14

Row Crop

power
37 hp
displacement
149 ci
Cylinders
4
Forward gears
4
Full D14 specs
Image not recorded
RK TractorsModel B

RK Tractors RK37S

Utility

power
37.4 hp
displacement
100 ci
Cylinders
3
Forward gears
12
Full RK37S specs
Allis ChalmersAllis Chalmers D14
vs
RK TractorsRK Tractors RK37S

How they compare

Headline specs vs. the whole Row Crop

n = 1,140–1,417

Engine Power

▲ RK37S higher · +0.4 hp (+1%)
D1437 hp
RK37S37.4 hp
Median Row Crop Tractor138 hp

D14 is in the 3rd percentile; RK37S is in the 3rd · 1,206 models

Engine Displacement

▲ D14 higher · +49 ci (+49%)
D14149 ci
RK37S100 ci
Median Row Crop Tractor391 ci

D14 is in the 4th percentile; RK37S is in the 1st · 1,409 models

Cylinders

▲ D14 higher · +1 (+33%)
D144
RK37S3
Median Row Crop Tractor6

D14 is in the 17th percentile; RK37S is in the 2nd · 1,417 models

Forward Gears

▲ RK37S higher · +8 (+200%)
D144
RK37S12
Median Row Crop Tractor16

D14 is in the 4th percentile; RK37S is in the 27th · 1,200 models

D14 (A)RK37S (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D14RK Tractors RK37SDifference
ManufacturerAllis ChalmersRK Tractors—
ModelD14RK37S—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D14RK Tractors RK37SDifference
ManufacturerAllis-ChalmersYanmar—
ModelAllis-Chalmers3TNV88-CR—
Power Output37hp37.4hp▲ RK37S+0.4 hp · +1%
Rated RPM1,650RPM3,000RPM▲ RK37S+1,350 RPM · +82%
Cylinders43▲ D14+1 · +33%
Displacement149ci100ci▲ D14+49 ci · +49%
Bore3.5in3.4in▲ D14+0.1 in · +3%
Stroke3.9in3.5in▲ D14+0.4 in · +11%

Transmission

SpecAllis Chalmers D14RK Tractors RK37SDifference
TypeSliding GearSyncro Shuttle—

Dimensions & Weight

SpecAllis Chalmers D14RK Tractors RK37SDifference
Length129in126in▲ D14+3 in · +2%
WidthNot recorded53.5in—
Height79.5in94.5in▲ RK37S+15 in · +19%
Operating Weight3,500lb3,065lb▲ D14+435 lb · +14%

Hydraulics

SpecAllis Chalmers D14RK Tractors RK37SDifference
Steering TypeManualPower—

Power Take-off (PTO)

SpecAllis Chalmers D14RK Tractors RK37SDifference
TypeRear PTO, LiveNot recorded—
Speed 1540rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D14RK Tractors RK37SDifference
Hitch TypeAllis Snap CouplerNot recorded—
Hitch CategoryNot recordedI—

Chassis & Drive

SpecAllis Chalmers D14RK Tractors RK37SDifference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WDMFWD/4WD—
Steering TypeManualPower—
Brake TypeMechanical expanding shoeNot recorded—

Electrical

SpecAllis Chalmers D14RK Tractors RK37SDifference
Battery VoltageNot recorded12V—
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D14RK Tractors RK37SDifference
Coolant2.3galNot recorded—

Operator Station

SpecAllis Chalmers D14RK Tractors RK37SDifference
TypeOpen operator stationNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 3rd percentile (37 hp)B · 3rd percentile (37.4 hp)

Engine Displacement

median 391 ci
A · 4th percentile (149 ci)B · 1st percentile (100 ci)

Cylinders

median 6
A · 17th percentile (4)B · 2nd percentile (3)

Forward Gears

median 16
A · 4th percentile (4)B · 27th percentile (12)

Operating Weight

median 12,307 lb
A · 3rd percentile (3,500 lb)B · 2nd percentile (3,065 lb)
A · D14B · RK37SMedian Row Crop Tractor
Full spec pageAllis Chalmers D14Full spec pageRK Tractors RK37S