Allis Chalmers CA tractor specifications

1950 - 1958

1950 - 1958 Row-Crop tractor

Production

Production Manufacturer:Allis Chalmers
Type:Row-Crop tractor
Factory:West Allis, Wisconsin, USA
Total built:39,499
Original price:$1,900 (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

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 ...

1950 - 1958

Row-Crop tractor

Nebraska Tractor Test 453

Nebraska Tractor Test 453
Gasoline 4-speed 2WD November 31 - 9, 1950 Link: Nebraska Tractor Test 453 file
Belt power (max):	25.96 hp 19.4 kW
Belt fuel use (max):	2.4 gal/hour 9.1 l/hour
Drawbar performance
Max power:	22.97 hp 17.1 kW
Gear 2 used for power test.
Max pull:	3,557 lbs 1613 kg
Gear 1 used for pull test.

Allis Chalmers CA Engine

Allis Chalmers CA Engine Allis Chalmers 2.1L 4-cyl gasoline Engine details ...

1950 - 1958

Row-Crop tractor

Engine Detail

Engine Detail
Allis Chalmers
gasoline
4-cylinder 8-valve
liquid-cooled vertical I-head
Displacement:	125.2 ci 2.1 L
Bore/Stroke:	3.375x3.50 inches 86 x 89 mm
Air cleaner:	oil bath
Compression:	6.25:1
Rated RPM:	1650
Firing order:	1-2-4-3
Starter volts:	6
Coolant capacity:	9 qts 8.5 L
Sparkplug:	AC45
	Autolite A-7
	Autolite A-9
	Champion J-8
Sparkplug gap:	0.030 inches 0.762 mm
Point gap:	0.020 inches 0.508 mm
Intake valve clearance:	0.012 inches 0.305 mm (hot)
Exhaust valve clearance:	0.012 inches 0.305 mm (hot)

Mechanical

Mechanical Chassis:4x2 2WD
Steering:manual
Brakes:differential mechanical contracting band
Cab:Open operator station
Transmission:4-speed non-synchronized
Transmission details ...

1950 - 1958

Row-Crop tractor

Transmission

Transmission
Type:	non-synchronized
Gears:	4 forward and 1 reverse
Clutch:	dry disc
Oil capacity:	4 qts 3.8 L

Speeds

Speeds

Capacity

Capacity Fuel:13 gal
49.2 L
Hydraulic system:2 gal
7.6 L

Hydraulics

Hydraulics Capacity:2 gal
7.6 L
Pressure:3200 psi
220.6 bar

Tractor hitch

Tractor hitch Type:Allis Snap Coupler*Available after 1954.

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:live
Rear RPM:538

Dimensions & Tires

Dimensions & Tires Wheelbase:82 inches
208 cm
Weight:2835 lbs
1285 kg
Front tire:5.00-15
Rear tire:10-24
Full dimensions and tires ...

1950 - 1958

Row-Crop tractor

Allis Chalmers CA Tires

Allis Chalmers CA Tires
Ag front:	5.00-15
Ag rear:	10-24

Dimensions

Dimensions
Wheelbase:	82 inches 208 cm
Length:	125 inches 317 cm
Height:	73 inches 185 cm
Operating weight:	2835 lbs 1285 kg
Ballasted weight:	5045 lbs 2288 kg
Front tread:	6.25/13 inches 15/33 cm
Rear tread:	52 to 80 inches 132 to 203 cm

CA Serial Numbers

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...