Head to head · Crawler

Allis Chalmers HD11 vs John Deere 6600

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
John Deere 6600 Tractor
John DeereModel B

John Deere 6600

Row Crop

power
110 hp
displacement
359 ci
Cylinders
6
Forward gears
20
Full 6600 specs
Allis ChalmersAllis Chalmers HD11
vs
John DeereJohn Deere 6600

How they compare

Headline specs vs. the whole Crawler

n = 134–192

Engine Power

= Effectively tied
HD11110 hp
6600110 hp
Median Crawler Tractor200 hp

HD11 is in the 46th percentile; 6600 is in the 46th · 142 models

Engine Displacement

▲ HD11 higher · +157 ci (+44%)
HD11516 ci
6600359 ci
Median Crawler Tractor468 ci

HD11 is in the 58th percentile; 6600 is in the 44th · 191 models

Cylinders

= Effectively tied
HD116
66006
Median Crawler Tractor6

HD11 is in the 50th percentile; 6600 is in the 50th · 192 models

Forward Gears

▲ 6600 higher · +14 (+233%)
HD116
660020
Median Crawler Tractor10

HD11 is in the 34th percentile; 6600 is in the 91st · 179 models

HD11 (A)6600 (B)Median Crawler Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers HD11John Deere 6600Difference
ManufacturerAllis ChalmersJohn Deere—
ModelHD116600—
CategoryCrawler, AgriculturalRow Crop—

Engine

SpecAllis Chalmers HD11John Deere 6600Difference
ManufacturerAllis ChalmersJohn Deere—
ModelHD-5166068—
Power Output110hp110hpSame
Rated RPM1,800RPM2,100RPM▲ 6600+300 RPM · +17%
Cylinders66Same
Displacement516ci359ci▲ HD11+157 ci · +44%
Bore4.5in4.2in▲ HD11+0.3 in · +7%
Stroke5.6in4.3in▲ HD11+1.2 in · +28%

Transmission

SpecAllis Chalmers HD11John Deere 6600Difference
TypeSliding GearPartial power shift—

Dimensions & Weight

SpecAllis Chalmers HD11John Deere 6600Difference
Length154in177in▲ 6600+23 in · +15%
Width40in90.9in▲ 6600+50.9 in · +127%
Height84in111in▲ 6600+27 in · +32%
Operating Weight21,000lb10,250lb▲ HD11+10,750 lb · +105%

Hydraulics

SpecAllis Chalmers HD11John Deere 6600Difference
System TypeNot recordedClosed center—
Steering TypeNot recordedPower—

Power Take-off (PTO)

SpecAllis Chalmers HD11John Deere 6600Difference
TypeNot recordedIndependent—
Speed 1Not recorded540rpm—
Speed 2Not recorded1,000rpm—
Speed 3Not recorded540rpm—

Hitch & Towing

SpecAllis Chalmers HD11John Deere 6600Difference
Hitch CategoryNot recordedIII/IIIN—

Chassis & Drive

SpecAllis Chalmers HD11John Deere 6600Difference
Chassis TypeCrawler4x4 MFWD 4WD—
Drive TypeNot recordedMFWD 4WD—
Steering TypeNot recordedPower—
Brake TypeContracting bandWet disc—

Electrical

SpecAllis Chalmers HD11John Deere 6600Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers HD11John Deere 6600Difference
Coolant11galNot recorded—

Operator Station

SpecAllis Chalmers HD11John Deere 6600Difference
TypeOpen operator stationCab (standard) with air-conditioning—

Category context

Both models against the field

Engine Power

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

Engine Displacement

median 468 ci
A · 58th percentile (516 ci)B · 44th percentile (359 ci)

Cylinders

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

Forward Gears

median 10
A · 34th percentile (6)B · 91st percentile (20)

Operating Weight

median 23,320 lb
A · 48th percentile (21,000 lb)B · 33rd percentile (10,250 lb)
A · HD11B · 6600Median Crawler Tractor
Full spec pageAllis Chalmers HD11Full spec pageJohn Deere 6600