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Allis Chalmers CA

Allis Chalmers CA tractor photo
1950 - 1958
Row-Crop tractor
Previous model:Allis Chalmers C

The live PTO on the CA was due to a hand clutch that "broke" the right side of the rear axle, causing the differental to spin freely.


Manufacturer:Allis Chalmers
Factory:West Allis, Wisconsin, USA
Total built:39,499
Original price (USD)
   $1,900 (1958 )

Allis Chalmers CA Engine:

   Allis Chalmers 2.1L 4-cyl gasoline
full engine details ...


Fuel:13 gal [49.2 L]
Hydraulic system:2 gal [7.6 L]

Rear Hitch:

Type:Allis Snap Coupler*Available after 1954.

Power Take-off (PTO):

Rear PTO:live
Rear RPM:538

Dimensions & Tires:

Wheelbase:82 inches [208 cm]
Weight:2835 to 5045 pounds
Front tire:5.00-15
Rear tire:10-24
full dimensions and tires ...

CA Serial Numbers:

Location:On top of transmission, by shift lever
1950: 14
1951: 322
1952: 10539
1953: 22181
1954: 31424
1955: 32907
1956: 37203
1957: 38618
1958: 38977
Final: 39513

how to read serial numbers...


Allis Chalmers CA Power:

Drawbar (claimed):18 hp [13.4 kW]
PTO (claimed):23 hp [17.2 kW]
Drawbar (tested):22.97 hp [17.1 kW]
Belt (tested):25.96 hp [19.4 kW]
power test details ...


Chassis:4x2 2WD
Brakes:differential mechanical contracting band
Cab:Open operator station


Capacity:2 gal [7.6 L]
Pressure:3200 psi [220.6 bar]

Belt Pulley:

Diameter:8 inches [20 cm]
Width:5.5 inches [13 cm]
Speed:2555 ft/min [778.76 meters/min]


Charging system:generator
Charging amps:10



Page information:

Last update:January 29, 2016
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