Allis Chalmers CA
Type: Row-crop Tractors
Contents:
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 | |
| 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 |
Mechanical | |
| Chassis: | 4x2 2WD |
| Steering: | manual |
| Brakes: | differential mechanical contracting band |
| Cab: | Open operator station |
| Transmission: | 4-speed non-synchronized |
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 RPM: | 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 |
Electrical | |
| Ground: | positive |
| Charging system: | generator |
| Charging amps: | 10 |
| Battery volts: | 6 |
| Battery AH: | 95 |
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) |
Transmission | |
| Type: | non-synchronized |
| Gears: | 4 forward and 1 reverse |
| Clutch: | dry disc |
| Oil capacity: | 4 qts 3.8 L |
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 |
