Head to head · Row Crop

Allis Chalmers D21 Series I vs Volvo T800

Image not recorded
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
Volvo T800 Tractor
VolvoModel B

Volvo T800

Agricultural

power
106 hp
displacement
313 ci
Cylinders
6
Forward gears
8
Full T800 specs
Allis ChalmersAllis Chalmers D21 Series I
vs
VolvoVolvo T800

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ T800 higher · +3 hp (+3%)
D21 Series I103 hp
T800106 hp
Median Row Crop Tractor138 hp

D21 Series I is in the 27th percentile; T800 is in the 29th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +113 ci (+36%)
D21 Series I426 ci
T800313 ci
Median Row Crop Tractor391 ci

D21 Series I is in the 72nd percentile; T800 is in the 35th · 1,409 models

Cylinders

= Effectively tied
D21 Series I6
T8006
Median Row Crop Tractor6

D21 Series I is in the 50th percentile; T800 is in the 50th · 1,417 models

Forward Gears

= Effectively tied
D21 Series I8
T8008
Median Row Crop Tractor16

D21 Series I is in the 16th percentile; T800 is in the 16th · 1,200 models

D21 Series I (A)T800 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IVolvo T800Difference
ManufacturerAllis ChalmersVolvo—
ModelD21 Series IT800—
CategoryRow CropAgricultural—

Engine

SpecAllis Chalmers D21 Series IVolvo T800Difference
ManufacturerAllis ChalmersVolvo—
Model3400Not recorded—
Power Output103hp106hp▲ T800+3 hp · +3%
Rated RPM2,200RPM2,300RPM▲ T800+100 RPM · +5%
Cylinders66Same
Displacement426ci313ci▲ D21 Series I+113 ci · +36%
Bore4.3in3.8in▲ D21 Series I+0.5 in · +13%
Stroke5in4.7in▲ D21 Series I+0.3 in · +6%

Transmission

SpecAllis Chalmers D21 Series IVolvo T800Difference
TypeSliding gear with dry disc clutchManual—

Dimensions & Weight

SpecAllis Chalmers D21 Series IVolvo T800Difference
Length161in156in▲ D21 Series I+5 in · +3%
Width91.6in84in▲ D21 Series I+7.6 in · +9%
Height107in101in▲ D21 Series I+6 in · +6%
Operating Weight9,500lb9,900lb▲ T800+400 lb · +4%

Hydraulics

SpecAllis Chalmers D21 Series IVolvo T800Difference
Steering TypePowerHydrostatic Power—

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IVolvo T800Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IVolvo T800Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IINot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D21 Series IVolvo T800Difference
Chassis Type4x2 2WD4x2—
Drive Type2WD2WDSame
Steering TypePowerHydrostatic Power—
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IVolvo T800Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series IVolvo T800Difference
Coolant5.3galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IVolvo T800Difference
TypeOpenNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 27th percentile (103 hp)B · 29th percentile (106 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 35th percentile (313 ci)

Cylinders

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

Forward Gears

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

Operating Weight

median 12,307 lb
A · 28th percentile (9,500 lb)B · 31st percentile (9,900 lb)
A · D21 Series IB · T800Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IFull spec pageVolvo T800