Head to head · Row Crop

Allis Chalmers D21 Series II vs Valtra 6850Hi

Valtra 6850Hi Tractor
ValtraModel B

Valtra 6850Hi

Row Crop

power
123 hp
displacement
268 ci
Cylinders
4
Forward gears
Not recorded
Full 6850Hi specs
Allis ChalmersAllis Chalmers D21 Series II
vs
ValtraValtra 6850Hi

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ 6850Hi higher · +2 hp (+2%)
D21 Series II121 hp
6850Hi123 hp
Median Row Crop Tractor138 hp

D21 Series II is in the 40th percentile; 6850Hi is in the 41st · 1,206 models

Engine Displacement

▲ D21 Series II higher · +158 ci (+59%)
D21 Series II426 ci
6850Hi268 ci
Median Row Crop Tractor391 ci

D21 Series II is in the 72nd percentile; 6850Hi is in the 21st · 1,409 models

Cylinders

▲ D21 Series II higher · +2 (+50%)
D21 Series II6
6850Hi4
Median Row Crop Tractor6

D21 Series II is in the 50th percentile; 6850Hi is in the 17th · 1,417 models

Operating Weight

▲ 6850Hi higher · +860 lb (+9%)
D21 Series II9,502 lb
6850Hi10,362 lb
Median Row Crop Tractor12,307 lb

D21 Series II is in the 28th percentile; 6850Hi is in the 34th · 1,350 models

D21 Series II (A)6850Hi (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IIValtra 6850HiDifference
ManufacturerAllis ChalmersValtra—
ModelD21 Series II6850Hi—
CategoryRow CropRow CropSame

Engine

SpecAllis Chalmers D21 Series IIValtra 6850HiDifference
ManufacturerAllis ChalmersSisuDiesel—
Model350044 EWI—
Power Output121hp123hp▲ 6850Hi+2 hp · +2%
Rated RPM2,200RPM2,200RPMSame
Cylinders64▲ D21 Series II+2 · +50%
Displacement426ci268ci▲ D21 Series II+158 ci · +59%
Bore4.3in4.3inSame
Stroke5in4.7in▲ D21 Series II+0.3 in · +6%

Transmission

SpecAllis Chalmers D21 Series IIValtra 6850HiDifference
TypeSliding gear with dry disc clutchThree-speed power shift—

Dimensions & Weight

SpecAllis Chalmers D21 Series IIValtra 6850HiDifference
Length160in179in▲ 6850Hi+19 in · +12%
Width91.3in89.8in▲ D21 Series II+1.5 in · +2%
Height106in110in▲ 6850Hi+4 in · +4%
Operating Weight9,502lb10,362lb▲ 6850Hi+860 lb · +9%

Hydraulics

SpecAllis Chalmers D21 Series IIValtra 6850HiDifference
Steering TypePowerPowerSame

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IIValtra 6850HiDifference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IIValtra 6850HiDifference
Hitch TypeThree-Point HitchCategory III—
Hitch CategoryIII/II3—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D21 Series IIValtra 6850HiDifference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WD4WD—
Steering TypePowerPowerSame
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IIValtra 6850HiDifference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series IIValtra 6850HiDifference
Coolant7.8galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IIValtra 6850HiDifference
TypeOpenCab—

Category context

Both models against the field

Engine Power

median 138 hp
A · 40th percentile (121 hp)B · 41st percentile (123 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 21st percentile (268 ci)

Cylinders

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

Operating Weight

median 12,307 lb
A · 28th percentile (9,502 lb)B · 34th percentile (10,362 lb)

Length

median 180 in
A · 25th percentile (160 in)B · 49th percentile (179 in)
A · D21 Series IIB · 6850HiMedian Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IIFull spec pageValtra 6850Hi