Head to head · Row Crop

Allis Chalmers D21 Series II vs John Deere 6120E

Image not recorded
John DeereModel B

John Deere 6120E

Utility

power
120 hp
displacement
276 ci
Cylinders
4
Forward gears
24
Full 6120E specs
Allis ChalmersAllis Chalmers D21 Series II
vs
John DeereJohn Deere 6120E

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
6120E120 hp
Median Row Crop Tractor138 hp

D21 Series II is in the 40th percentile; 6120E is in the 39th · 1,206 models

Engine Displacement

▲ D21 Series II higher · +150 ci (+54%)
D21 Series II426 ci
6120E276 ci
Median Row Crop Tractor391 ci

D21 Series II is in the 72nd percentile; 6120E is in the 25th · 1,409 models

Cylinders

▲ D21 Series II higher · +2 (+50%)
D21 Series II6
6120E4
Median Row Crop Tractor6

D21 Series II is in the 50th percentile; 6120E is in the 17th · 1,417 models

Forward Gears

▲ 6120E higher · +16 (+200%)
D21 Series II8
6120E24
Median Row Crop Tractor16

D21 Series II is in the 16th percentile; 6120E is in the 81st · 1,200 models

D21 Series II (A)6120E (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IIJohn Deere 6120EDifference
ManufacturerAllis ChalmersJohn Deere—
ModelD21 Series II6120E—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D21 Series IIJohn Deere 6120EDifference
ManufacturerAllis ChalmersJohn Deere—
Model3500PowerTech PWL—
Power Output121hp120hp▲ D21 Series II+1 hp · <1%
Rated RPM2,200RPM2,200RPMSame
Cylinders64▲ D21 Series II+2 · +50%
Displacement426ci276ci▲ D21 Series II+150 ci · +54%
Bore4.3in4.2in▲ D21 Series II+0.1 in · +2%
Stroke5in5inSame

Transmission

SpecAllis Chalmers D21 Series IIJohn Deere 6120EDifference
TypeSliding gear with dry disc clutchSelective gear fixed ratio—

Dimensions & Weight

SpecAllis Chalmers D21 Series IIJohn Deere 6120EDifference
Length160inNot recorded—
Width91.3inNot recorded—
Height106inNot recorded—
Operating Weight9,502lb14,250lb▲ 6120E+4,748 lb · +50%

Hydraulics

SpecAllis Chalmers D21 Series IIJohn Deere 6120EDifference
System TypeNot recordedOpen center—
Steering TypePowerPowerSame

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IIJohn Deere 6120EDifference
TypeIndependentIndependentSame
Speed 11,000rpm540rpm▲ D21 Series II+460 rpm · +85%
Speed 2Not recorded1,000rpm—

Hitch & Towing

SpecAllis Chalmers D21 Series IIJohn Deere 6120EDifference
Hitch TypeThree-Point HitchThree-Point HitchSame
Hitch CategoryIII/IIII—
Hitch PositionRearRearSame
Hitch CapacityNot recorded7,300lb—

Chassis & Drive

SpecAllis Chalmers D21 Series IIJohn Deere 6120EDifference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WD4WD—
Steering TypePowerPowerSame
Brake TypeBand actuated discHydraulic wet disc—

Electrical

SpecAllis Chalmers D21 Series IIJohn Deere 6120EDifference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series IIJohn Deere 6120EDifference
Coolant7.8galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IIJohn Deere 6120EDifference
TypeOpenTwo-post foldable ROPS or Cab (optional)—

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 · 25th percentile (276 ci)

Cylinders

median 6
A · 50th percentile (6)B · 17th percentile (4)

Forward Gears

median 16
A · 16th percentile (8)B · 81st percentile (24)

Operating Weight

median 12,307 lb
A · 28th percentile (9,502 lb)B · 63rd percentile (14,250 lb)
A · D21 Series IIB · 6120EMedian Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IIFull spec pageJohn Deere 6120E