Allis Chalmers CA
| 1950 - 1958 |
Row-Crop tractor |
|
Series map:
CA
25.6hp*
*Estimated engine power for comparison only.
Production |
Manufacturer | Allis Chalmers
|
Row-Crop tractor |
Built in West Allis, Wisconsin, USA |
Total built | 39,499
|
Original price was $1,900 in 1958 |
The live PTO on the CA was due to a hand clutch that "broke" the rear axle, causing the differential to spin freely. |
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
|
Performance test details ... |
Mechanical |
Two-wheel drive |
Manual steering |
Differential mechanical contracting band brakes |
Open operator station |
Capacity |
Fuel | 13 gal 49.2 L
|
Hydraulic system | 2 gal 7.6 L
|
Hydraulics |
Capacity | 2 gal 7.6 L
|
Pressure | 3200 psi 220.6 bar
|
Tractor hitch |
Type | Allis Snap Coupler *Available after 1954.
|
Power Take-off (PTO) |
Rear PTO | live
|
Rear PTO Type | 538
|
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
|
FAQ: How to read a serial number table.
|
Belt Pulley |
Diameter | 8 inches 20 cm
|
Width | 5.5 inches 13 cm
|
RPM | 1220
|
Speed | 2555 ft/min 778.76 meters/min
|
Electrical |
Ground | positive
|
Charging system | generator
|
Charging amps | 10
|
Battery volts | 6
|
Battery AH | 95
|
References |
 |
Farm Equipment Service Manual (SM-3) |
Farm Power Facts published in 1954, by Allis Chalmers |
Page information |
 |
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TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. |
Peter Easterlund - owner/author |
Email: Peter@TractorData.com |
Updated on June 2, 2022 |
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Consult official
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