Head to head · Row Crop

Allis Chalmers D21 Series II vs Valmet 6850

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ValmetModel B

Valmet 6850

Row Crop

power
118 hp
displacement
268 ci
Cylinders
4
Forward gears
36
Full 6850 specs
Allis ChalmersAllis Chalmers D21 Series II
vs
ValmetValmet 6850

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ D21 Series II higher · +3 hp (+3%)
D21 Series II121 hp
6850118 hp
Median Row Crop Tractor138 hp

D21 Series II is in the 40th percentile; 6850 is in the 37th · 1,206 models

Engine Displacement

▲ D21 Series II higher · +158 ci (+59%)
D21 Series II426 ci
6850268 ci
Median Row Crop Tractor391 ci

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

Cylinders

▲ D21 Series II higher · +2 (+50%)
D21 Series II6
68504
Median Row Crop Tractor6

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

Forward Gears

▲ 6850 higher · +28 (+350%)
D21 Series II8
685036
Median Row Crop Tractor16

D21 Series II is in the 16th percentile; 6850 is in the 95th · 1,200 models

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

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IIValmet 6850Difference
ManufacturerAllis ChalmersValmet—
ModelD21 Series II6850—
CategoryRow CropRow CropSame

Engine

SpecAllis Chalmers D21 Series IIValmet 6850Difference
ManufacturerAllis ChalmersValmet—
Model3500420 DWRIE—
Power Output121hp118hp▲ D21 Series II+3 hp · +3%
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 IIValmet 6850Difference
TypeSliding gear with dry disc clutchPowershift—

Dimensions & Weight

SpecAllis Chalmers D21 Series IIValmet 6850Difference
Length160in178in▲ 6850+18 in · +11%
Width91.3in85.8in▲ D21 Series II+5.5 in · +6%
Height106in110in▲ 6850+4 in · +4%
Operating Weight9,502lb10,251lb▲ 6850+749 lb · +8%

Hydraulics

SpecAllis Chalmers D21 Series IIValmet 6850Difference
Steering TypePowerPowerSame

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IIValmet 6850Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IIValmet 6850Difference
Hitch TypeThree-Point HitchThree-Point HitchSame
Hitch CategoryIII/IIIII—
Hitch PositionRearRearSame

Chassis & Drive

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

Electrical

SpecAllis Chalmers D21 Series IIValmet 6850Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series IIValmet 6850Difference
Coolant7.8galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IIValmet 6850Difference
TypeOpenCab—

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 · 21st percentile (268 ci)

Cylinders

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

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 · 33rd percentile (10,251 lb)
A · D21 Series IIB · 6850Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IIFull spec pageValmet 6850