Tractor · 1937Unverified
Allis Chalmers S
Allis Chalmers S — Agricultural Crawler tractor · 84 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
84 hp
Max power
47.0 kW
Weight
9117 kg
Hover a source tag to verify
Overview
ManufacturerAllis ChalmersReference
Agricultural Crawler tractorReference
Built in Springfield, Illinois, USAReference
Total built1,225Reference
DrivecrawlerReference
Open operator station.Reference
Variants
SgasolineReference
SOspark-ignition dieselReference
WSwideReference
Engine
Allis Chalmers 11.1L 4-cyl dieselReference
Allis Chalmers 11.1L 4-cyl gasolineReference
Fuel tank242.2 LReference
Drawbar (claimed)35.8 kWReference
Belt (claimed)49.2 kWReference
Drawbar (tested)51.4 kWReference
Belt (tested)55.8 kWReference
Allis ChalmersReference
dieselReference
4-cylinderReference
liquid-cooled vertical I-headReference
Oil engine, burned diesel with fuel injection and spark ignition, used on the SO modelReference
Displacement11.1 LReference
Bore/Stroke146 x 165 mmReference
Fuel systemmechancal injectionReference
Air cleaneroil bathReference
Compression6.5:1Reference
Rated RPM1050Reference
Starter volts6Reference
Coolant capacity47.3 LReference
gasolineReference
Compression5:1Reference
Oil capacity18.9 LReference
Belt power (max)55.8 kWReference
Max power47.0 kWReference
Max power62.9 kWReference
Max power51.4 kWReference
Transmission
5-speed gearReference
TypegearReference
Gears5 forward and 1 reverseReference
Clutchdry discReference
Oil capacity21.8 LReference
PTO & Hydraulics
PTO (tested)62.9 kWReference
Dimensions
Weight9117 kgReference
18-inch tracksReference
Length370 cmReference
Width246 cmReference
Height187 cmReference
Gauge157 cmReference
S Serial Numbers
Location:transmission case or instrument panelReference
19373Reference
1938413Reference
1939585Reference
19401085Reference
19411128Reference
19421212Reference
Last1227Reference
FAQ: How to read a serial number table.Reference
Allis Chalmers S Tracks
Width45 cmReference
Length on ground195 cmReference
Area on ground1.8 m²Reference
Ground pressure0.5 barReference
Test results
NTTL 286: diesel 5-speed crawlerReference
NTTL 337: gasoline 5-speed crawlerReference
Diesel 5-speed crawlerSeptember 16 - 25, 1937Link: Nebraska Tractor Test 286 fileReference
Belt fuel use (max)22.7 l/hourReference
Drawbar performanceReference
Gear 1 used for power test.Reference
Max pull7589 kgReference
Gear 1 used for pull test.Reference
Gasoline 5-speed crawlerNovember 18 - 24, 1939Link: Nebraska Tractor Test 337 fileReference
PTO performanceReference
Fuel use31.0 l/hourReference
Max pull5156 kgReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.