Head to head · Row Crop

Allis Chalmers D21 Series II vs New Holland Workmaster 120

Allis ChalmersAllis Chalmers D21 Series II
vs
New HollandNew Holland Workmaster 120

How they compare

Headline specs vs. the whole Row Crop

n = 1,157–1,417

Engine Power

▲ D21 Series II higher · +1 hp (<1%)
D21 Series II121 hp
Workmaster 120120 hp
Median Row Crop Tractor138 hp

D21 Series II is in the 40th percentile; Workmaster 120 is in the 39th · 1,206 models

Engine Displacement

▲ D21 Series II higher · +219 ci (+106%)
D21 Series II426 ci
Workmaster 120207 ci
Median Row Crop Tractor391 ci

D21 Series II is in the 72nd percentile; Workmaster 120 is in the 10th · 1,409 models

Cylinders

▲ D21 Series II higher · +2 (+50%)
D21 Series II6
Workmaster 1204
Median Row Crop Tractor6

D21 Series II is in the 50th percentile; Workmaster 120 is in the 17th · 1,417 models

Forward Gears

▲ Workmaster 120 higher · +4 (+50%)
D21 Series II8
Workmaster 12012
Median Row Crop Tractor16

D21 Series II is in the 16th percentile; Workmaster 120 is in the 27th · 1,200 models

D21 Series II (A)Workmaster 120 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IINew Holland Workmaster 120Difference
ManufacturerAllis ChalmersNew Holland—
ModelD21 Series IIWorkmaster 120—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D21 Series IINew Holland Workmaster 120Difference
ManufacturerAllis ChalmersFPT—
Model3500F5—
Power Output121hp120hp▲ D21 Series II+1 hp · <1%
Rated RPM2,200RPM2,300RPM▲ Workmaster 120+100 RPM · +5%
Cylinders64▲ D21 Series II+2 · +50%
Displacement426ci207ci▲ D21 Series II+219 ci · +106%
Bore4.3in3.9in▲ D21 Series II+0.4 in · +10%
Stroke5in4.3in▲ D21 Series II+0.7 in · +16%

Transmission

SpecAllis Chalmers D21 Series IINew Holland Workmaster 120Difference
TypeSliding gear with dry disc clutchPower shuttle—

Dimensions & Weight

SpecAllis Chalmers D21 Series IINew Holland Workmaster 120Difference
Length160in161in▲ Workmaster 120+1 in · <1%
Width91.3inNot recorded—
Height106inNot recorded—
Operating Weight9,502lb7,738lb▲ D21 Series II+1,764 lb · +23%

Hydraulics

SpecAllis Chalmers D21 Series IINew Holland Workmaster 120Difference
System TypeNot recordedOpen center—
Steering TypePowerPowerSame

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IINew Holland Workmaster 120Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IINew Holland Workmaster 120Difference
Hitch TypeThree-Point Hitch3—
Hitch CategoryIII/IIII/I—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D21 Series IINew Holland Workmaster 120Difference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WD4WD—
Steering TypePowerPowerSame
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IINew Holland Workmaster 120Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series IINew Holland Workmaster 120Difference
Coolant7.8galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IINew Holland Workmaster 120Difference
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 · 10th percentile (207 ci)

Cylinders

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

Forward Gears

median 16
A · 16th percentile (8)B · 27th percentile (12)

Operating Weight

median 12,307 lb
A · 28th percentile (9,502 lb)B · 19th percentile (7,738 lb)
A · D21 Series IIB · Workmaster 120Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IIFull spec pageNew Holland Workmaster 120