Tractor · 1955Unverified
Allis Chalmers HD11
Allis Chalmers HD11 — Agricultural Crawler tractor · 110 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
110 hp
Max power
55.0 kW
Weight
21000 to 22200 pounds
Hover a source tag to verify
Overview
ManufacturerAllis ChalmersReference
Agricultural Crawler tractorReference
Built in Springfield, Illinois, USAReference
DrivecrawlerReference
Contracting band brakesReference
Open operator station.Reference
Variants
HD11S6-roller agriculturalReference
HD11ES7-roller agriculturalReference
HD11B6-roller industrialReference
Engine
Allis-Chalmers 8.5L 6-cyl dieselReference
Fuel tank227.1 LReference
Engine (gross)82.0 kWReference
Engine (net)73.8 kWReference
Drawbar (claimed)57.4 kWReference
Belt (claimed)70.1 kWReference
Drawbar (tested)55.0 kWReference
Belt (tested)66.9 kWReference
Allis-Chalmers HD-516Reference
dieselReference
6-cylinderReference
liquid-cooled vertical I-headReference
Displacement8.5 LReference
Bore/Stroke113 x 141 mmReference
Power (net)73.8 kWReference
Power (gross)82.0 kWReference
Air cleaneroil bathReference
Compression15.0:1Reference
Rated RPM1800Reference
Starter volts24Reference
Oil capacity16.1 LReference
Coolant capacity41.6 LReference
Belt power (max)66.9 kWReference
Max power55.0 kWReference
Transmission
6-speed sliding gearReference
Typesliding gearReference
Gears6 forward and 3 reverseReference
Dimensions
Weight21000 to 22200 poundsReference
16-inch tracksReference
Length391 cmReference
Height (hood)213 cmReference
Gauge187 cmReference
10069 kgReference
HD11S Shipping9525 kgReference
HD11ES Shipping9933 kgReference
HD11 Serial Numbers
Location:Serial number on the rear of the right-side final drive.Reference
1955101Reference
19561058Reference
19573255Reference
19584115Reference
19594768Reference
19605802Reference
19616448Reference
19626995Reference
19637870Reference
19648606Reference
196510533Reference
196611451Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundpositiveReference
Batteries2Reference
Battery volts12Reference
Allis Chalmers HD11 Tracks
Width40 cmReference
Length on ground217 cmReference
Area on ground1.8 m²Reference
HD11E width40 cmReference
HD11E length on ground244 cmReference
HD11E area on ground2.0 m²Reference
Test results
Diesel 6-speed crawlerJuly 9 - 13, 1956Link: Nebraska Tractor Test 581 fileReference
Belt fuel use (max)26.1 l/hourReference
Drawbar performanceReference
Max pull9284 kgReference
Gear 1 used for pull test.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.