Head to head · Row Crop

Allis Chalmers D15 vs RK Tractors RK37H

Image not recorded
Allis ChalmersModel A

Allis Chalmers D15

Row Crop

power
37.4 hp
displacement
149 ci
Cylinders
4
Forward gears
8
Full D15 specs
Image not recorded
RK TractorsModel B

RK Tractors RK37H

Utility

power
37.4 hp
displacement
100 ci
Cylinders
3
Forward gears
Not recorded
Full RK37H specs
Allis ChalmersAllis Chalmers D15
vs
RK TractorsRK Tractors RK37H

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

= Effectively tied
D1537.4 hp
RK37H37.4 hp
Median Row Crop Tractor138 hp

D15 is in the 3rd percentile; RK37H is in the 3rd · 1,206 models

Engine Displacement

▲ D15 higher · +49 ci (+49%)
D15149 ci
RK37H100 ci
Median Row Crop Tractor391 ci

D15 is in the 4th percentile; RK37H is in the 1st · 1,409 models

Cylinders

▲ D15 higher · +1 (+33%)
D154
RK37H3
Median Row Crop Tractor6

D15 is in the 17th percentile; RK37H is in the 2nd · 1,417 models

Operating Weight

▲ D15 higher · +930 lb (+30%)
D154,036 lb
RK37H3,106 lb
Median Row Crop Tractor12,307 lb

D15 is in the 6th percentile; RK37H is in the 2nd · 1,350 models

D15 (A)RK37H (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D15RK Tractors RK37HDifference
ManufacturerAllis ChalmersRK Tractors—
ModelD15RK37H—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D15RK Tractors RK37HDifference
ManufacturerAllis ChalmersYanmar—
ModelNot recorded3TNV88-CR—
Power Output37.4hp37.4hpSame
Rated RPM2,000RPM3,000RPM▲ RK37H+1,000 RPM · +50%
Cylinders43▲ D15+1 · +33%
Displacement149ci100ci▲ D15+49 ci · +49%
Bore3.5in3.4in▲ D15+0.1 in · +3%
Stroke3.9in3.5in▲ D15+0.4 in · +11%

Transmission

SpecAllis Chalmers D15RK Tractors RK37HDifference
TypePartial power shiftHydrostatic—

Dimensions & Weight

SpecAllis Chalmers D15RK Tractors RK37HDifference
Length130in126in▲ D15+4 in · +3%
Width67in53.5in▲ D15+13.5 in · +25%
Height80.2in94.5in▲ RK37H+14.3 in · +18%
Operating Weight4,036lb3,106lb▲ D15+930 lb · +30%

Hydraulics

SpecAllis Chalmers D15RK Tractors RK37HDifference
Steering TypePower-assistedPower—

Tires

SpecAllis Chalmers D15RK Tractors RK37HDifference
Front Tire SizeNot recorded16-Jul—
Rear Tire SizeNot recorded11.2x24—

Hitch & Towing

SpecAllis Chalmers D15RK Tractors RK37HDifference
Hitch TypeSnap-CouplerCategory 3—
Hitch CategoryII/II—
Hitch PositionRearRearSame

Chassis & Drive

SpecAllis Chalmers D15RK Tractors RK37HDifference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WD4WD—
Steering TypePower-assistedPower—

Electrical

SpecAllis Chalmers D15RK Tractors RK37HDifference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D15RK Tractors RK37HDifference
Coolant2.8galNot recorded—

Operator Station

SpecAllis Chalmers D15RK Tractors RK37HDifference
TypeOpenOpen with ROPS—

Category context

Both models against the field

Engine Power

median 138 hp
A · 3rd percentile (37.4 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)

Operating Weight

median 12,307 lb
A · 6th percentile (4,036 lb)B · 2nd percentile (3,106 lb)

Length

median 180 in
A · 6th percentile (130 in)B · 4th percentile (126 in)
A · D15B · RK37HMedian Row Crop Tractor
Full spec pageAllis Chalmers D15Full spec pageRK Tractors RK37H