Head to head · Row Crop

Allis Chalmers D21 Series I vs Massey Ferguson 2620

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Allis ChalmersModel A

Allis Chalmers D21 Series I

Row Crop

power
103 hp
displacement
426 ci
Cylinders
6
Forward gears
8
Full D21 Series I specs
Image not recorded
Massey FergusonModel B

Massey Ferguson 2620

Row Crop

power
102 hp
displacement
354 ci
Cylinders
6
Forward gears
16
Full 2620 specs
Allis ChalmersAllis Chalmers D21 Series I
vs
Massey FergusonMassey Ferguson 2620

How they compare

Headline specs vs. the whole Row Crop

n = 1,140–1,417

Engine Power

▲ D21 Series I higher · +1 hp (<1%)
D21 Series I103 hp
2620102 hp
Median Row Crop Tractor138 hp

D21 Series I is in the 27th percentile; 2620 is in the 26th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +72 ci (+20%)
D21 Series I426 ci
2620354 ci
Median Row Crop Tractor391 ci

D21 Series I is in the 72nd percentile; 2620 is in the 38th · 1,409 models

Cylinders

= Effectively tied
D21 Series I6
26206
Median Row Crop Tractor6

D21 Series I is in the 50th percentile; 2620 is in the 50th · 1,417 models

Forward Gears

▲ 2620 higher · +8 (+100%)
D21 Series I8
262016
Median Row Crop Tractor16

D21 Series I is in the 16th percentile; 2620 is in the 50th · 1,200 models

D21 Series I (A)2620 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IMassey Ferguson 2620Difference
ManufacturerAllis ChalmersMassey Ferguson—
ModelD21 Series I2620—
CategoryRow CropRow CropSame

Engine

SpecAllis Chalmers D21 Series IMassey Ferguson 2620Difference
ManufacturerAllis ChalmersPerkins—
Model3400A6.354.4—
Power Output103hp102hp▲ D21 Series I+1 hp · <1%
Rated RPM2,200RPM2,000RPM▲ D21 Series I+200 RPM · +10%
Cylinders66Same
Displacement426ci354ci▲ D21 Series I+72 ci · +20%
Bore4.3in3.9in▲ D21 Series I+0.4 in · +10%
Stroke5in5inSame

Transmission

SpecAllis Chalmers D21 Series IMassey Ferguson 2620Difference
TypeSliding gear with dry disc clutchNot recorded—

Dimensions & Weight

SpecAllis Chalmers D21 Series IMassey Ferguson 2620Difference
Length161in200in▲ 2620+39 in · +24%
Width91.6inNot recorded—
Height107in111in▲ 2620+4 in · +4%
Operating Weight9,500lb11,710lb▲ 2620+2,210 lb · +23%

Hydraulics

SpecAllis Chalmers D21 Series IMassey Ferguson 2620Difference
Steering TypePowerPowerSame

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IMassey Ferguson 2620Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IMassey Ferguson 2620Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IINot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D21 Series IMassey Ferguson 2620Difference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypePowerPowerSame
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IMassey Ferguson 2620Difference
Starter TypeElectricNot recorded—

Capacities

SpecAllis Chalmers D21 Series IMassey Ferguson 2620Difference
Coolant5.3galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IMassey Ferguson 2620Difference
TypeOpenNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 27th percentile (103 hp)B · 26th percentile (102 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 38th percentile (354 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 (9,500 lb)B · 46th percentile (11,710 lb)
A · D21 Series IB · 2620Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IFull spec pageMassey Ferguson 2620