Head to head · Row Crop

Allis Chalmers D21 Series I vs Fendt Farmer 310

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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
Allis ChalmersAllis Chalmers D21 Series I
vs
FendtFendt Farmer 310

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ Farmer 310 higher · +2 hp (+2%)
D21 Series I103 hp
Farmer 310105 hp
Median Row Crop Tractor138 hp

D21 Series I is in the 27th percentile; Farmer 310 is in the 28th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +172 ci (+68%)
D21 Series I426 ci
Farmer 310254 ci
Median Row Crop Tractor391 ci

D21 Series I is in the 72nd percentile; Farmer 310 is in the 17th · 1,409 models

Cylinders

▲ D21 Series I higher · +2 (+50%)
D21 Series I6
Farmer 3104
Median Row Crop Tractor6

D21 Series I is in the 50th percentile; Farmer 310 is in the 17th · 1,417 models

Forward Gears

▲ Farmer 310 higher · +13 (+163%)
D21 Series I8
Farmer 31021
Median Row Crop Tractor16

D21 Series I is in the 16th percentile; Farmer 310 is in the 72nd · 1,200 models

D21 Series I (A)Farmer 310 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IFendt Farmer 310Difference
ManufacturerAllis ChalmersFendt—
ModelD21 Series IFarmer 310—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D21 Series IFendt Farmer 310Difference
ManufacturerAllis ChalmersMWM—
Model3400TD226.B4—
Power Output103hp105hp▲ Farmer 310+2 hp · +2%
Rated RPM2,200RPM2,300RPM▲ Farmer 310+100 RPM · +5%
Cylinders64▲ D21 Series I+2 · +50%
Displacement426ci254ci▲ D21 Series I+172 ci · +68%
Bore4.3in4.1in▲ D21 Series I+0.2 in · +5%
Stroke5in4.7in▲ D21 Series I+0.3 in · +6%

Transmission

SpecAllis Chalmers D21 Series IFendt Farmer 310Difference
TypeSliding gear with dry disc clutchThree-speed power shift—

Dimensions & Weight

SpecAllis Chalmers D21 Series IFendt Farmer 310Difference
Length161in165in▲ Farmer 310+4 in · +2%
Width91.6in89.8in▲ D21 Series I+1.8 in · +2%
Height107in110in▲ Farmer 310+3 in · +3%
Operating Weight9,500lb10,804lb▲ Farmer 310+1,304 lb · +14%

Hydraulics

SpecAllis Chalmers D21 Series IFendt Farmer 310Difference
Steering TypePowerNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IFendt Farmer 310Difference
TypeIndependentRear: 540/750/1000, Front: 1000—
Speed 11,000rpm540rpm▲ D21 Series I+460 rpm · +85%
Speed 2Not recorded750rpm—
Speed 3Not recorded1,000rpm—

Hitch & Towing

SpecAllis Chalmers D21 Series IFendt Farmer 310Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IICategory 3—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D21 Series IFendt Farmer 310Difference
Chassis Type4x2 2WDNot recorded—
Drive Type2WDNot recorded—
Steering TypePowerNot recorded—
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IFendt Farmer 310Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D21 Series IFendt Farmer 310Difference
Coolant5.3galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IFendt Farmer 310Difference
TypeOpenNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 27th percentile (103 hp)B · 28th percentile (105 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 17th percentile (254 ci)

Cylinders

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

Forward Gears

median 16
A · 16th percentile (8)B · 72nd percentile (21)

Operating Weight

median 12,307 lb
A · 28th percentile (9,500 lb)B · 38th percentile (10,804 lb)
A · D21 Series IB · Farmer 310Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IFull spec pageFendt Farmer 310