Allis Chalmers WS

The Allis Chalmers WS is a tractor produced by Allis Chalmers. It is equipped with a 675.1 ci 11.1 L engine. Transmission: 5 forward and 1 reverse. Operating weight: 20,155 lbs 9142 kg.

Fuel & Capacities

64 gal 242.2 L

Transmission

5 forward and 1 reverse

Operating Weight

20,155 lbs 9142 kg

Overview

	1950 - 1953 Agricultural Crawler tractor

Production
Manufacturer	Allis Chalmers
Agricultural Crawler tractor
Built in Springfield, Illinois, USA

Variants
S	gasoline
SO	spark-ignition diesel
WS	wide

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

Allis Chalmers WS Transmission
5-speed gear
Transmission details ...

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
Performance test details ...

Mechanical
Open operator station.

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

Engine

Engine Detail — 675.1 ci / 11.1 L Gasoline

Manufacturer	Allis Chalmers
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled
Displacement	675.1 ci 11.1 L
Bore/Stroke	5.75x6.50 inches 146 x 165 mm
Fuel system	Zenith 62A-12 carburetor
Air cleaner	oil bath
Compression	5:1
Rated RPM	1050
Starter volts	12
Coolant capacity	50 qts 47.3 L

Transmission

Transmission — 5 forward and 1 reverse gear

Type	gear
Gears	5 forward and 1 reverse
Clutch	dry disc

Dimensions

Allis Chalmers WS Tires

Dimensions
Weight	20,155 lbs 9142 kg

Tests

Nebraska Tractor Test 337
Gasoline 5-speed crawler November 18 - 24, 1939 Link: Nebraska Tractor Test 337 file
Belt power (max)	84.34 hp 62.9 kW
Belt fuel use (max)	8.2 gal/hour 31.0 l/hour
Drawbar performance
Max power	68.86 hp 51.3 kW
Gear 2 used for power test.
Max pull	17843 lbs 8093 kg
Gear 1 used for pull test.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Allis Chalmers WS.

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours