Head to head · Row Crop

Allis Chalmers D21 Series II vs Renault 1181S

Renault 1181S Tractor
RenaultModel B

Renault 1181S

Agricultural

power
118 hp
displacement
380 ci
Cylinders
6
Forward gears
12
Full 1181S specs
Allis ChalmersAllis Chalmers D21 Series II
vs
RenaultRenault 1181S

How they compare

Headline specs vs. the whole Row Crop

n = 1,140–1,417

Engine Power

▲ D21 Series II higher · +3 hp (+3%)
D21 Series II121 hp
1181S118 hp
Median Row Crop Tractor138 hp

D21 Series II is in the 40th percentile; 1181S is in the 37th · 1,206 models

Engine Displacement

▲ D21 Series II higher · +46 ci (+12%)
D21 Series II426 ci
1181S380 ci
Median Row Crop Tractor391 ci

D21 Series II is in the 72nd percentile; 1181S is in the 49th · 1,409 models

Cylinders

= Effectively tied
D21 Series II6
1181S6
Median Row Crop Tractor6

D21 Series II is in the 50th percentile; 1181S is in the 50th · 1,417 models

Forward Gears

▲ 1181S higher · +4 (+50%)
D21 Series II8
1181S12
Median Row Crop Tractor16

D21 Series II is in the 16th percentile; 1181S is in the 27th · 1,200 models

D21 Series II (A)1181S (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D21 Series IIRenault 1181SDifference
ManufacturerAllis ChalmersRenault—
ModelD21 Series II1181S—
CategoryRow CropAgricultural—

Engine

SpecAllis Chalmers D21 Series IIRenault 1181SDifference
ManufacturerAllis ChalmersMWM—
Model3500D226-6—
Power Output121hp118hp▲ D21 Series II+3 hp · +3%
Rated RPM2,200RPM2,350RPM▲ 1181S+150 RPM · +7%
Cylinders66Same
Displacement426ci380ci▲ D21 Series II+46 ci · +12%
Bore4.3in4.1in▲ D21 Series II+0.2 in · +5%
Stroke5in4.7in▲ D21 Series II+0.3 in · +6%

Transmission

SpecAllis Chalmers D21 Series IIRenault 1181SDifference
TypeSliding gear with dry disc clutchNot recorded—

Dimensions & Weight

SpecAllis Chalmers D21 Series IIRenault 1181SDifference
Length160in176in▲ 1181S+16 in · +10%
Width91.3inNot recorded—
Height106in108in▲ 1181S+2 in · +2%
Operating Weight9,502lb11,885lb▲ 1181S+2,383 lb · +25%

Hydraulics

SpecAllis Chalmers D21 Series IIRenault 1181SDifference
Steering TypePowerHydrostatic power—

Power Take-off (PTO)

SpecAllis Chalmers D21 Series IIRenault 1181SDifference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Tires

SpecAllis Chalmers D21 Series IIRenault 1181SDifference
Front Tire SizeNot recorded14.9-28—
Rear Tire SizeNot recorded16.9-38—

Hitch & Towing

SpecAllis Chalmers D21 Series IIRenault 1181SDifference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IINot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAllis Chalmers D21 Series IIRenault 1181SDifference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WD4WD—
Steering TypePowerHydrostatic power—
Brake TypeBand actuated discNot recorded—

Electrical

SpecAllis Chalmers D21 Series IIRenault 1181SDifference
Starter TypeElectricNot recorded—

Capacities

SpecAllis Chalmers D21 Series IIRenault 1181SDifference
Coolant7.8galNot recorded—

Operator Station

SpecAllis Chalmers D21 Series IIRenault 1181SDifference
TypeOpenNot recorded—

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 · 49th percentile (380 ci)

Cylinders

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

Forward Gears

median 16
A · 16th percentile (8)B · 27th percentile (12)

Operating Weight

median 12,307 lb
A · 28th percentile (9,502 lb)B · 47th percentile (11,885 lb)
A · D21 Series IIB · 1181SMedian Row Crop Tractor
Full spec pageAllis Chalmers D21 Series IIFull spec pageRenault 1181S