Allis Chalmers S tractor specifications

1937 - 1942

1937 - 1942 Agricultural Crawler tractor

Production

Production Manufacturer:Allis Chalmers
Type:Agricultural Crawler tractor
Factory:Springfield, Illinois, USA
Total built:1,225

Variants

Variants S:gasoline
SO:spark-ignition diesel
WS:wide

1950 - 1953

Agricultural Crawler tractor

Production

Production
Manufacturer:	Allis Chalmers
Type:	Agricultural Crawler tractor
Factory:	Springfield, Illinois, USA

Variants

Variants
S:	gasoline
SO:	spark-ignition diesel
WS:	wide

Allis Chalmers WS Power

Allis Chalmers WS Power
PTO (claimed):	84 hp 62.6 kW
Drawbar (tested):	68.86 hp 51.3 kW
Belt (tested):	84.34 hp 62.9 kW
power test details ...

Allis Chalmers WS Engine

Allis Chalmers WS Engine
Allis Chalmers 11.1L 4-cyl gasoline
Fuel tank:	64 gal 242.2 L
Engine details ...

Mechanical

Mechanical
Cab:	Open operator station.
Transmission:	5-speed gear
Transmission details ...

Dimensions & Tires

Dimensions & Tires
Weight:	20,155 lbs 9142 kg
Full dimensions and tires ...

Allis Chalmers S Power

Allis Chalmers S Power Drawbar (claimed):48 hp
35.8 kW
Belt (claimed):66 hp
49.2 kW
Drawbar (tested):68.9 hp
51.4 kW
PTO (tested):84.3 hp
62.9 kW
Belt (tested):74.82 hp
55.8 kW
power test details ...

1937 - 1942

Agricultural Crawler tractor

Nebraska Tractor Test 286

Nebraska Tractor Test 286
Diesel 5-speed crawler September 16 - 25, 1937 Link: Nebraska Tractor Test 286 file
Belt power (max):	74.82 hp 55.8 kW
Belt fuel use (max):	6.0 gal/hour 22.7 l/hour
Drawbar performance
Max power:	62.97 hp 47.0 kW
Gear 1 used for power test.
Max pull:	16732 lbs 7589 kg
Gear 1 used for pull test.

Nebraska Tractor Test 337

Nebraska Tractor Test 337
Gasoline 5-speed crawler November 18 - 24, 1939 Link: Nebraska Tractor Test 337 file
PTO performance
Max power:	84.3 hp 62.9 kW
Fuel use:	8.2 gal/hour 31.0 l/hour
Drawbar performance
Max power:	68.9 hp 51.4 kW
Max pull:	11,367 lbs 5156 kg

Allis Chalmers S Engines

Allis Chalmers S Engines Allis Chalmers 11.1L 4-cyl diesel Allis Chalmers 11.1L 4-cyl gasoline Fuel tank:64 gal
242.2 L
Engine details ...

1937 - 1942

Agricultural Crawler tractor

Engines overview

Engines overview
Allis Chalmers 11.1L 4-cyl diesel
Allis Chalmers 11.1L 4-cyl gasoline

Engine Detail

Engine Detail
Allis Chalmers
diesel
4-cylinder
liquid-cooled vertical I-head
Oil engine, burned diesel with fuel injection and spark ignition, used on the SO model
Displacement:	675.1 ci 11.1 L
Bore/Stroke:	5.75x6.50 inches 146 x 165 mm
Fuel system:	mechancal injection
Air cleaner:	oil bath
Compression:	6.5:1
Rated RPM:	1050
Starter volts:	6
Coolant capacity:	50 qts 47.3 L

Engine Detail

Engine Detail
Allis Chalmers
gasoline
4-cylinder
liquid-cooled vertical I-head
Displacement:	675.1 ci 11.1 L
Bore/Stroke:	5.75x6.50 inches 146 x 165 mm
Compression:	5:1
Rated RPM:	1050
Starter volts:	6
Oil capacity:	20 qts 18.9 L

Mechanical

Mechanical Chassis:crawler
Cab:Open operator station.
Transmission:5-speed gear
Transmission details ...

1937 - 1942

Agricultural Crawler tractor

Transmission

Transmission
Type:	gear
Gears:	5 forward and 1 reverse
Clutch:	dry disc
Oil capacity:	23 qts 21.8 L

Speeds

Speeds

Dimensions & Tracks

Dimensions & Tracks Weight:20100 lbs
9117 kg
tracks Full dimensions and tracks ...

1937 - 1942

Agricultural Crawler tractor

Allis Chalmers S Tracks

Dimensions

Dimensions
Length:	146 inches 370 cm
Width:	97 inches 246 cm
Height:	74 inches 187 cm
Weight:	20100 lbs 9117 kg
Gauge:	62 inches 157 cm

S Serial Numbers

S Serial Numbers Location:transmission case or instrument panel
1937:3
1938:413
1939:585
1940:1085
1941:1128
1942:1212
Last:1227

how to read serial numbers...