Head to head · Crawler

Allis Chalmers HD11 vs Caterpillar D6C SA Special Application

Allis Chalmers HD11 Tractor
Allis ChalmersModel A

Allis Chalmers HD11

Crawler

power
110 hp
displacement
516 ci
Cylinders
6
Forward gears
6
Full HD11 specs
Allis ChalmersAllis Chalmers HD11
vs
CaterpillarCaterpillar D6C SA Special Application

How they compare

Headline specs vs. the whole Crawler

n = 134–192

Engine Power

▲ D6C SA Special Application higher · +30 hp (+27%)
HD11110 hp
D6C SA Special Application140 hp
Median Crawler Tractor200 hp

HD11 is in the 46th percentile; D6C SA Special Application is in the 49th · 142 models

Engine Displacement

▲ D6C SA Special Application higher · +122 ci (+24%)
HD11516 ci
D6C SA Special Application638 ci
Median Crawler Tractor468 ci

HD11 is in the 58th percentile; D6C SA Special Application is in the 70th · 191 models

Cylinders

= Effectively tied
HD116
D6C SA Special Application6
Median Crawler Tractor6

HD11 is in the 50th percentile; D6C SA Special Application is in the 50th · 192 models

Forward Gears

= Effectively tied
HD116
D6C SA Special Application6
Median Crawler Tractor10

HD11 is in the 34th percentile; D6C SA Special Application is in the 34th · 179 models

HD11 (A)D6C SA Special Application (B)Median Crawler Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers HD11Caterpillar D6C SA Special ApplicationDifference
ManufacturerAllis ChalmersCaterpillar—
ModelHD11D6C SA Special Application—
CategoryCrawler, AgriculturalCrawler—

Engine

SpecAllis Chalmers HD11Caterpillar D6C SA Special ApplicationDifference
ManufacturerAllis ChalmersCaterpillar—
ModelHD-5163306—
Power Output110hp140hp▲ D6C SA Special Application+30 hp · +27%
Rated RPM1,800RPM2,000RPM▲ D6C SA Special Application+200 RPM · +11%
Cylinders66Same
Displacement516ci638ci▲ D6C SA Special Application+122 ci · +24%
Bore4.5in4.8in▲ D6C SA Special Application+0.3 in · +7%
Stroke5.6in6in▲ D6C SA Special Application+0.5 in · +9%

Transmission

SpecAllis Chalmers HD11Caterpillar D6C SA Special ApplicationDifference
TypeSliding Geargear—

Dimensions & Weight

SpecAllis Chalmers HD11Caterpillar D6C SA Special ApplicationDifference
Length154in156in▲ D6C SA Special Application+2 in · +1%
Width40in94in▲ D6C SA Special Application+54 in · +135%
Height84in105in▲ D6C SA Special Application+21 in · +25%
Operating Weight21,000lb26,100lb▲ D6C SA Special Application+5,100 lb · +24%

Hydraulics

SpecAllis Chalmers HD11Caterpillar D6C SA Special ApplicationDifference
System TypeNot recordedOpen Center—

Chassis & Drive

SpecAllis Chalmers HD11Caterpillar D6C SA Special ApplicationDifference
Chassis TypeCrawlerNot recorded—
Brake TypeContracting bandNot recorded—

Electrical

SpecAllis Chalmers HD11Caterpillar D6C SA Special ApplicationDifference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers HD11Caterpillar D6C SA Special ApplicationDifference
Coolant11gal10gal▲ HD11+1 gal · +10%

Operator Station

SpecAllis Chalmers HD11Caterpillar D6C SA Special ApplicationDifference
TypeOpen operator stationNot recorded—

Category context

Both models against the field

Engine Power

median 200 hp
A · 46th percentile (110 hp)B · 49th percentile (140 hp)

Engine Displacement

median 468 ci
A · 58th percentile (516 ci)B · 70th percentile (638 ci)

Cylinders

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

Forward Gears

median 10
A · 34th percentile (6)B · 34th percentile (6)

Operating Weight

median 23,320 lb
A · 48th percentile (21,000 lb)B · 58th percentile (26,100 lb)
A · HD11B · D6C SA Special ApplicationMedian Crawler Tractor
Full spec pageAllis Chalmers HD11Full spec pageCaterpillar D6C SA Special Application