Head to head · Row Crop

Allis Chalmers D21 Series II vs Valmet 8100

Image not recorded
ValmetModel B

Valmet 8100

Agricultural

power
118 hp
displacement
403 ci
Cylinders
6
Forward gears
36
Full 8100 specs
Allis ChalmersAllis Chalmers D21 Series II
vs
ValmetValmet 8100

How they compare

Headline specs vs. the whole Row Crop

n = 1,140–1,417

Engine Power

▲ D21 Series II higher · +3 hp (+3%)
D21 Series II121 hp
8100118 hp
Median Row Crop Tractor138 hp

D21 Series II is in the 40th percentile; 8100 is in the 37th · 1,206 models

Engine Displacement

▲ D21 Series II higher · +23 ci (+6%)
D21 Series II426 ci
8100403 ci
Median Row Crop Tractor391 ci

D21 Series II is in the 72nd percentile; 8100 is in the 55th · 1,409 models

Cylinders

= Effectively tied
D21 Series II6
81006
Median Row Crop Tractor6

D21 Series II is in the 50th percentile; 8100 is in the 50th · 1,417 models

Forward Gears

▲ 8100 higher · +28 (+350%)
D21 Series II8
810036
Median Row Crop Tractor16

D21 Series II is in the 16th percentile; 8100 is in the 95th · 1,200 models

D21 Series II (A)8100 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IIValmet 8100Difference
ManufacturerAllis ChalmersValmet—
ModelD21 Series II8100—
CategoryRow CropAgricultural—

Engine

SpecAllis Chalmers D21 Series IIValmet 8100Difference
ManufacturerAllis ChalmersSisuDiesel—
Model3500620D—
Power Output121hp118hp▲ D21 Series II+3 hp · +3%
Rated RPM2,200RPM2,225RPM▲ 8100+25 RPM · +1%
Cylinders66Same
Displacement426ci403ci▲ D21 Series II+23 ci · +6%
Bore4.3in4.3inSame
Stroke5in4.7in▲ D21 Series II+0.3 in · +6%

Transmission

SpecAllis Chalmers D21 Series IIValmet 8100Difference
TypeSliding gear with dry disc clutchPowershift—

Dimensions & Weight

SpecAllis Chalmers D21 Series IIValmet 8100Difference
Length160in187in▲ 8100+27 in · +17%
Width91.3inNot recorded—
Height106in113in▲ 8100+7 in · +7%
Operating Weight9,502lb10,318lb▲ 8100+816 lb · +9%

Hydraulics

SpecAllis Chalmers D21 Series IIValmet 8100Difference
Steering TypePowerNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IIValmet 8100Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IIValmet 8100Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IINot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D21 Series IIValmet 8100Difference
Chassis Type4x2 2WDNot recorded—
Drive Type2WDNot recorded—
Steering TypePowerNot recorded—
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IIValmet 8100Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series IIValmet 8100Difference
Coolant7.8galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IIValmet 8100Difference
TypeOpenNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 40th percentile (121 hp)B · 37th percentile (118 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 55th percentile (403 ci)

Cylinders

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

Forward Gears

median 16
A · 16th percentile (8)B · 95th percentile (36)

Operating Weight

median 12,307 lb
A · 28th percentile (9,502 lb)B · 34th percentile (10,318 lb)
A · D21 Series IIB · 8100Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IIFull spec pageValmet 8100