Head to head · Row Crop

Allis Chalmers D21 Series II vs Kubota M6122

Image not recorded
KubotaModel B

Kubota M6122

Utility

power
122 hp
displacement
374 ci
Cylinders
4
Forward gears
24
Full M6122 specs
Allis ChalmersAllis Chalmers D21 Series II
vs
KubotaKubota M6122

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ M6122 higher · +1 hp (<1%)
D21 Series II121 hp
M6122122 hp
Median Row Crop Tractor138 hp

D21 Series II is in the 40th percentile; M6122 is in the 41st · 1,206 models

Engine Displacement

▲ D21 Series II higher · +52 ci (+14%)
D21 Series II426 ci
M6122374 ci
Median Row Crop Tractor391 ci

D21 Series II is in the 72nd percentile; M6122 is in the 47th · 1,409 models

Cylinders

▲ D21 Series II higher · +2 (+50%)
D21 Series II6
M61224
Median Row Crop Tractor6

D21 Series II is in the 50th percentile; M6122 is in the 17th · 1,417 models

Forward Gears

▲ M6122 higher · +16 (+200%)
D21 Series II8
M612224
Median Row Crop Tractor16

D21 Series II is in the 16th percentile; M6122 is in the 81st · 1,200 models

D21 Series II (A)M6122 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IIKubota M6122Difference
ManufacturerAllis ChalmersKubota—
ModelD21 Series IIM6122—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D21 Series IIKubota M6122Difference
ManufacturerAllis ChalmersKubota—
Model3500V6108—
Power Output121hp122hp▲ M6122+1 hp · <1%
Rated RPM2,200RPM1,900RPM▲ D21 Series II+300 RPM · +16%
Cylinders64▲ D21 Series II+2 · +50%
Displacement426ci374ci▲ D21 Series II+52 ci · +14%
Bore4.3in4.7in▲ M6122+0.4 in · +9%
Stroke5in5.5in▲ M6122+0.5 in · +10%

Transmission

SpecAllis Chalmers D21 Series IIKubota M6122Difference
TypeSliding gear with dry disc clutchEight-speed power shift with creeper—

Dimensions & Weight

SpecAllis Chalmers D21 Series IIKubota M6122Difference
Length160in182in▲ M6122+22 in · +14%
Width91.3in83.1in▲ D21 Series II+8.2 in · +10%
Height106in114in▲ M6122+8 in · +8%
Operating Weight9,502lb13,228lb▲ M6122+3,726 lb · +39%

Hydraulics

SpecAllis Chalmers D21 Series IIKubota M6122Difference
System TypeNot recordedClosed-center load-sensing—
Steering TypePowerNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IIKubota M6122Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Tires

SpecAllis Chalmers D21 Series IIKubota M6122Difference
Front Tire SizeNot recorded420/70R24—
Rear Tire SizeNot recorded520/70R38—

Hitch & Towing

SpecAllis Chalmers D21 Series IIKubota M6122Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IIIII—
Hitch PositionRearRearSame

Chassis & Drive

SpecAllis Chalmers D21 Series IIKubota M6122Difference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WD4WD—
Steering TypePowerNot recorded—
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IIKubota M6122Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series IIKubota M6122Difference
Coolant7.8galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IIKubota M6122Difference
TypeOpenCab—

Category context

Both models against the field

Engine Power

median 138 hp
A · 40th percentile (121 hp)B · 41st percentile (122 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 47th percentile (374 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 · 57th percentile (13,228 lb)
A · D21 Series IIB · M6122Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IIFull spec pageKubota M6122