Head to head · Row Crop

Allis Chalmers D21 Series I vs Ursus C-3110

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
Ursus C-3110 Tractor
UrsusModel B

Ursus C-3110

Agricultural

power
101 hp
displacement
354 ci
Cylinders
6
Forward gears
16
Full C-3110 specs
Allis ChalmersAllis Chalmers D21 Series I
vs
UrsusUrsus C-3110

How they compare

Headline specs vs. the whole Row Crop

n = 1,140–1,417

Engine Power

▲ D21 Series I higher · +2 hp (+2%)
D21 Series I103 hp
C-3110101 hp
Median Row Crop Tractor138 hp

D21 Series I is in the 27th percentile; C-3110 is in the 26th · 1,206 models

Engine Displacement

▲ D21 Series I higher · +72 ci (+20%)
D21 Series I426 ci
C-3110354 ci
Median Row Crop Tractor391 ci

D21 Series I is in the 72nd percentile; C-3110 is in the 38th · 1,409 models

Cylinders

= Effectively tied
D21 Series I6
C-31106
Median Row Crop Tractor6

D21 Series I is in the 50th percentile; C-3110 is in the 50th · 1,417 models

Forward Gears

▲ C-3110 higher · +8 (+100%)
D21 Series I8
C-311016
Median Row Crop Tractor16

D21 Series I is in the 16th percentile; C-3110 is in the 50th · 1,200 models

D21 Series I (A)C-3110 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IUrsus C-3110Difference
ManufacturerAllis ChalmersUrsus—
ModelD21 Series IC-3110—
CategoryRow CropAgricultural—

Engine

SpecAllis Chalmers D21 Series IUrsus C-3110Difference
ManufacturerAllis ChalmersNot recorded—
Model3400Not recorded—
Power Output103hp101hp▲ D21 Series I+2 hp · +2%
Rated RPM2,200RPMNot recorded—
Cylinders66Same
Displacement426ci354ci▲ D21 Series I+72 ci · +20%
Bore4.3in3.9in▲ D21 Series I+0.4 in · +10%
Stroke5in5inSame

Transmission

SpecAllis Chalmers D21 Series IUrsus C-3110Difference
TypeSliding gear with dry disc clutchNot recorded—

Dimensions & Weight

SpecAllis Chalmers D21 Series IUrsus C-3110Difference
Length161in165in▲ C-3110+4 in · +2%
Width91.6inNot recorded—
Height107in101in▲ D21 Series I+6 in · +6%
Operating Weight9,500lb8,379lb▲ D21 Series I+1,121 lb · +13%

Hydraulics

SpecAllis Chalmers D21 Series IUrsus C-3110Difference
Steering TypePowerNot recorded—

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IUrsus C-3110Difference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecAllis Chalmers D21 Series IUrsus C-3110Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IIIII—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D21 Series IUrsus C-3110Difference
Chassis Type4x2 2WDNot recorded—
Drive Type2WDNot recorded—
Steering TypePowerNot recorded—
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IUrsus C-3110Difference
Starter TypeElectricNot recorded—

Capacities

SpecAllis Chalmers D21 Series IUrsus C-3110Difference
Coolant5.3galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IUrsus C-3110Difference
TypeOpenNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 27th percentile (103 hp)B · 26th percentile (101 hp)

Engine Displacement

median 391 ci
A · 72nd percentile (426 ci)B · 38th percentile (354 ci)

Cylinders

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

Forward Gears

median 16
A · 16th percentile (8)B · 50th percentile (16)

Operating Weight

median 12,307 lb
A · 28th percentile (9,500 lb)B · 22nd percentile (8,379 lb)
A · D21 Series IB · C-3110Median Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IFull spec pageUrsus C-3110