Search
Find your tractor.
Menu ☰
Years in Production / 1937–1942
Allis-Chalmers
S
Explore the specifications, hardware, and original references for the Allis-Chalmers S.
93hp
Engine estimate · from PTO
Tracks
Drive
1937–1942
Production years
Allis-Chalmers
Manufacturer
S / 01
At a glance
Production
Agricultural Crawler tractor
Built in Springfield, Illinois, USA
- Manufacturer
- Allis Chalmers
- Total Built
- 1,225
Mechanical
Open operator station.
- Drive
- crawler
S / 02
Under the hood
Engine Detail (Option 1)
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 ci11.1 L
- Bore Stroke
- 5.75x6.50 inches146 x 165 mm
- Fuel System
- mechancal injection
- Air Cleaner
- oil bath
- Compression Ratio
- 6.5:1
- Rated Rpm
- 1050
- Starter Volts
- 6
- Coolant Capacity
- 50 qts47.3 L
- Fuel Type
- diesel
- Cylinders
- 4
- Cooling
- liquid-cooled vertical I-head
Engine Detail (Option 2)
Allis Chalmers
gasoline
4-cylinder
liquid-cooled vertical I-head
- Displacement
- 675.1 ci11.1 L
- Bore Stroke
- 5.75x6.50 inches146 x 165 mm
- Compression Ratio
- 5:1
- Rated Rpm
- 1050
- Starter Volts
- 6
- Oil Capacity
- 20 qts18.9 L
- Fuel Type
- gasoline
- Cylinders
- 4
- Cooling
- liquid-cooled vertical I-head
Engine Options
Allis Chalmers 11.1L 4-cyl diesel
Allis Chalmers 11.1L 4-cyl gasoline
- Fuel Tank
- 64 gal242.2 L
S / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 5 forward and 1 reverse
- Clutch
- dry disc
- Oil Capacity
- 23 qts21.8 L
S / 04
Size. Stance. Footprint.
Tires And Tracks
18-inch tracks
- Weight
- 20100 lbs9117 kg
Tires And Tracks
- Width
- 18 inches45 cm
- Length On Ground
- 77.1 inches195 cm
- Area On Ground
- 2775 in²1.8 m²
- Ground Pressure
- 6.74 psi0.5 bar
S / 05
Tests (NTTL)
Nebraska Tractor Test 286
Diesel 5-speed crawlerSeptember 16 - 25, 1937
Drawbar performance
Gear 1 used for power test.
Gear 1 used for pull test.
- Id
- 286
- Belt Power Max
- 74.82 hp55.8 kW
- Belt Fuel Use Max
- 6.0 gal/hour22.7 l/hour
- Max Power
- 62.97 hp47.0 kW
- Max Pull
- 16732 lbs7589 kg
Nebraska Tractor Test 337Nebraska test report ↗
Gasoline 5-speed crawlerNovember 18 - 24, 1939
PTO performance
Drawbar performance
- Id
- 337
- Max Power
- 84.3 hp62.9 kW
- Max Power
- 68.9 hp51.4 kW
- Fuel Use
- 8.2 gal/hour31.0 l/hour
- Max Pull
- 11,367 lbs5156 kg