Head to head · Row Crop

Allis Chalmers D21 Series II vs John Deere 6525

Image not recorded
John DeereModel B

John Deere 6525

Utility

power
120 hp
displacement
414 ci
Cylinders
6
Forward gears
16
Full 6525 specs
Allis ChalmersAllis Chalmers D21 Series II
vs
John DeereJohn Deere 6525

How they compare

Headline specs vs. the whole Row Crop

n = 1,200–1,417

Engine Power

▲ D21 Series II higher · +1 hp (<1%)
D21 Series II121 hp
6525120 hp
Median Row Crop Tractor138 hp

D21 Series II is in the 40th percentile; 6525 is in the 39th · 1,206 models

Engine Displacement

▲ D21 Series II higher · +12 ci (+3%)
D21 Series II426 ci
6525414 ci
Median Row Crop Tractor391 ci

D21 Series II is in the 72nd percentile; 6525 is in the 66th · 1,409 models

Cylinders

= Effectively tied
D21 Series II6
65256
Median Row Crop Tractor6

D21 Series II is in the 50th percentile; 6525 is in the 50th · 1,417 models

Forward Gears

▲ 6525 higher · +8 (+100%)
D21 Series II8
652516
Median Row Crop Tractor16

D21 Series II is in the 16th percentile; 6525 is in the 50th · 1,200 models

D21 Series II (A)6525 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IIJohn Deere 6525Difference
ManufacturerAllis ChalmersJohn Deere—
ModelD21 Series II6525—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D21 Series IIJohn Deere 6525Difference
ManufacturerAllis ChalmersJohn Deere—
Model3500Not recorded—
Power Output121hp120hp▲ D21 Series II+1 hp · <1%
Rated RPM2,200RPM2,300RPM▲ 6525+100 RPM · +5%
Cylinders66Same
Displacement426ci414ci▲ D21 Series II+12 ci · +3%
Bore4.3in4.2in▲ D21 Series II+0.1 in · +2%
Stroke5in5inSame

Transmission

SpecAllis Chalmers D21 Series IIJohn Deere 6525Difference
TypeSliding gear with dry disc clutchSynchronized / Power shuttle—

Dimensions & Weight

SpecAllis Chalmers D21 Series IIJohn Deere 6525Difference
Length160inNot recorded—
Width91.3inNot recorded—
Height106inNot recorded—
Operating Weight9,502lb9,612lb▲ 6525+110 lb · +1%

Hydraulics

SpecAllis Chalmers D21 Series IIJohn Deere 6525Difference
System TypeNot recordedOpen center gear pump—
Steering TypePowerHydrostatic power—

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IIJohn Deere 6525Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IIJohn Deere 6525Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IINot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D21 Series IIJohn Deere 6525Difference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypePowerHydrostatic power—
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IIJohn Deere 6525Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series IIJohn Deere 6525Difference
Coolant7.8galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IIJohn Deere 6525Difference
TypeOpenNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 40th percentile (121 hp)B · 39th percentile (120 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 66th percentile (414 ci)

Cylinders

median 6
A · 50th percentile (6)B · 50th percentile (6)

Forward Gears

median 16
A · 16th percentile (8)B · 50th percentile (16)

Operating Weight

median 12,307 lb
A · 28th percentile (9,502 lb)B · 29th percentile (9,612 lb)
A · D21 Series IIB · 6525Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IIFull spec pageJohn Deere 6525