Head to head · Row Crop

Allis Chalmers D15 Series I vs John Deere 4520

Allis Chalmers D15 Series I Tractor
Allis ChalmersModel A

Allis Chalmers D15 Series I

Row Crop

power
40 hp
displacement
149 ci
Cylinders
4
Forward gears
8
Full D15 Series I specs
John Deere 4520 Tractor
John DeereModel B

John Deere 4520

Row Crop

power
55.9 hp
displacement
149 ci
Cylinders
4
Forward gears
Not recorded
Full 4520 specs
Allis ChalmersAllis Chalmers D15 Series I
vs
John DeereJohn Deere 4520

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ 4520 higher · +15.9 hp (+40%)
D15 Series I40 hp
452055.9 hp
Median Row Crop Tractor138 hp

D15 Series I is in the 4th percentile; 4520 is in the 8th · 1,206 models

Engine Displacement

= Effectively tied
D15 Series I149 ci
4520149 ci
Median Row Crop Tractor391 ci

D15 Series I is in the 4th percentile; 4520 is in the 4th · 1,409 models

Cylinders

= Effectively tied
D15 Series I4
45204
Median Row Crop Tractor6

D15 Series I is in the 17th percentile; 4520 is in the 17th · 1,417 models

Operating Weight

▲ D15 Series I higher · +130 lb (+3%)
D15 Series I3,990 lb
45203,860 lb
Median Row Crop Tractor12,307 lb

D15 Series I is in the 5th percentile; 4520 is in the 5th · 1,350 models

D15 Series I (A)4520 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D15 Series IJohn Deere 4520Difference
ManufacturerAllis ChalmersJohn Deere—
ModelD15 Series I4520—
CategoryRow CropRow CropSame

Engine

SpecAllis Chalmers D15 Series IJohn Deere 4520Difference
ManufacturerAllis ChalmersJohn Deere—
ModelAllis ChalmersJohn Deere—
Power Output40hp55.9hp▲ 4520+15.9 hp · +40%
Rated RPM2,000RPMNot recorded—
Cylinders44Same
Displacement149ci149ciSame
Bore3.5in3.4in▲ D15 Series I+0.1 in · +3%
Stroke3.9in4.1in▲ 4520+0.2 in · +5%

Transmission

SpecAllis Chalmers D15 Series IJohn Deere 4520Difference
TypePartial Power ShiftHydrostatic—

Dimensions & Weight

SpecAllis Chalmers D15 Series IJohn Deere 4520Difference
Length130in171in▲ 4520+41 in · +32%
Width66.9in95.7in▲ 4520+28.8 in · +43%
Height79.9in106in▲ 4520+26.1 in · +33%
Operating Weight3,990lb3,860lb▲ D15 Series I+130 lb · +3%

Hydraulics

SpecAllis Chalmers D15 Series IJohn Deere 4520Difference
System TypeNot recordedClosed center—
Steering TypeManualPower—

Power Take-off (PTO)

SpecAllis Chalmers D15 Series IJohn Deere 4520Difference
TypeLiveIndependent Rear PTO—
Speed 1540rpm540rpmSame

Hitch & Towing

SpecAllis Chalmers D15 Series IJohn Deere 4520Difference
Hitch TypeSnap-CouplerNot recorded—
Hitch CategoryII/III—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D15 Series IJohn Deere 4520Difference
Chassis Type4x2 2WDNot recorded—
Drive Type2WD4WD—
Steering TypeManualPower—
Brake TypeExpanding shoeDifferential hydraulic wet disc—

Electrical

SpecAllis Chalmers D15 Series IJohn Deere 4520Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D15 Series IJohn Deere 4520Difference
Coolant2.8gal7gal▲ 4520+4.2 gal · +150%

Operator Station

SpecAllis Chalmers D15 Series IJohn Deere 4520Difference
TypeOpenOpen operator station—

Category context

Both models against the field

Engine Power

median 138 hp
A · 4th percentile (40 hp)B · 8th percentile (55.9 hp)

Engine Displacement

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

Cylinders

median 6
A · 17th percentile (4)B · 17th percentile (4)

Operating Weight

median 12,307 lb
A · 5th percentile (3,990 lb)B · 5th percentile (3,860 lb)

Length

median 180 in
A · 6th percentile (130 in)B · 37th percentile (171 in)
A · D15 Series IB · 4520Median Row Crop Tractor
Full spec pageAllis Chalmers D15 Series IFull spec pageJohn Deere 4520