The Allis Chalmers CA tractor is powered by a Allis Chalmers 2.1L 4-cyl gasoline engine that provides of horsepower and torque. It has a 4x2 2WD drive configuration and a non-synchronized transmission.

Engine

The engine is a 4-cylinder 8-valve liquid-cooled vertical I-head with a displacement of 125.2ci / 2.1L. It has an oil bath air cleaner and a compression ratio of 6.25:1. The engine is rated at 1650 RPM and has a firing order of 1-2-4-3. The coolant capacity is 9 qts /8.5 L. The sparkplug gap is 0.030inches / 0.762 mm.


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Transmission

The transmission has 4 forward and 1 reverse gears. It is non-synchronized and has a dry disc clutch. The drawbar (claimed) is 18hp / 13.4kW, while the PTO (claimed) is 23hp / 17.2kW. The drawbar (tested) is 22.97hp / 17.1kW, while the belt (tested) is 25.96hp / 19.4kW. The transmission is reliable and easy to use.

Brakes

The brakes are differential mechanical contracting band. The engine powers the hydraulic pump, which provides pressure to the brakes. The brakes are reliable and provide good stopping power. The bore/stroke of the engine is 3.375x3.50inches / 86x 89 mm. The starter volts are 6. The intake valve clearance is 0.012inches / 0.305 mm (hot), while the exhaust valve clearance is 0.012inches / 0.305 mm (hot). The sparkplug is AC45/Autolite A-7/Autolite A-9/Champion J-8.



Steering

The steering is manual and uses a worm and sector gear. The steering is responsive and easy to use. The description of the steering is Allis Chalmers 2.1L 4-cyl gasoline. The point gap is 0.020inches / 0.508 mm. The steering is reliable and provides good control of the tractor.


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Common Problems

Users have reported issues with the chassis, which is 4x2 2WD. The manual steering can be difficult to use for some users. The differential mechanical contracting band brakes can wear out quickly if not maintained properly. The open operator station cab can be uncomfortable in extreme weather conditions. The 4-speed non-synchronized transmission can be difficult to use for some users.

What Users Like

Users appreciate the 5.00-15 front and 10-24 rear ag tires, which provide good traction in a variety of conditions. The tractor is easy to maintain and repair. The engine is reliable and provides good power. The steering is responsive and easy to use. The tractor is versatile and can be used for a variety of tasks.

Allis Chalmers CA Technical Specifications

Power

Drawbar (claimed)18hp / 13.4kW
Pto (claimed)23hp / 17.2kW
Drawbar (tested)22.97hp / 17.1kW
Belt (tested)25.96hp / 19.4kW

Engine Detail

DescriptionAllis Chalmers gasoline 4-cylinder 8-valve liquid-cooled vertical I-head
Displacement125.2ci / 2.1L
Bore/stroke3.375x3.50inches / 86x 89 mm
Air Cleaneroil bath
Compression6.25:1
Rated Rpm1650
Firing Order1-2-4-3
Starter Volts6
Coolant Capacity9 qts /8.5 L
SparkplugAC45/Autolite A-7/Autolite A-9/Champion J-8
Sparkplug Gap0.030inches / 0.762 mm
Point Gap0.020inches / 0.508 mm
Intake Valve Clearance0.012inches / 0.305 mm (hot)
Exhaust Valve Clearance0.012inches / 0.305 mm (hot)

Engine

DescriptionAllis Chalmers 2.1L 4-cyl gasoline

Transmission

Typenon-synchronized
Gears4 forward and 1 reverse
Clutchdry disc
Oil Capacity4 qts /3.8 L

Mechanical

Chassis4x2 2WD
Steeringmanual
Brakesdifferential mechanical contracting band
CabOpen operator station
Transmission4-speed non-synchronized

Tires

Ag Front5.00-15
Ag Rear10-24

Dimensions

Wheelbase82inches / 208cm
Length125inches / 317cm
Height73inches / 185cm
Operating Weight2835lbs / 1285kg
Ballasted Weight5045lbs / 2288kg
Front Tread6.25/13inches / 15/33 cm
Rear Tread52 to 80inches / 132to 203 cm

Dimensions And Tires

Wheelbase82inches / 208cm
Weight2835lbs / 1285kg
Front Tire5.00-15
Rear Tire10-24

Serial Numbers

LocationOn top of transmission, by shift lever
195014
1951322
195210539
195322181
195431424
195532907
195637203
195738618
195838977
Final39513

Belt Pulley

Diameter8 inches /20 cm
Width5.5inches / 13cm
Rpm1220
Speed2555ft/min / 778.76 meters/min

Capacity

Fuel13gal / 49.2L
Hydraulic System2 gal /7.6 L

Hydraulics

Capacity2 gal /7.6 L
Pressure3200psi / 220.6bar

Tractor Hitch

TypeAllis Snap Coupler*Available after 1954.

Electrical

Groundpositive
Charging Systemgenerator
Charging Amps10
Battery Volts6
Battery Ah95

Power Take Off Pto

Rear Ptolive
Rear Rpm538

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Other Allis Chalmers tractors:

Allis Chalmers 10-18, Allis Chalmers 160, Allis Chalmers 170, Allis Chalmers 175, Allis Chalmers 18-30, Allis Chalmers 180, Allis Chalmers 185, Allis Chalmers 190, Allis Chalmers 190XT, Allis Chalmers 20-35, Allis Chalmers 200, Allis Chalmers 210, Allis Chalmers 220, Allis Chalmers 25-40, Allis Chalmers 440, Allis Chalmers 4W-220, Allis Chalmers 4W-305, Allis Chalmers 5020, Allis Chalmers 5030, Allis Chalmers 5040, Allis Chalmers 5045, Allis Chalmers 5050, Allis Chalmers 6-12, Allis Chalmers 6040, Allis Chalmers 6060, Allis Chalmers 6070, Allis Chalmers 6080, Allis Chalmers 6140, Allis Chalmers 616, Allis Chalmers 620, Allis Chalmers 7000, Allis Chalmers 7010, Allis Chalmers 7020, Allis Chalmers 7030, Allis Chalmers 7040, Allis Chalmers 7045, Allis Chalmers 7050, Allis Chalmers 7060, Allis Chalmers 7080, Allis Chalmers 720, Allis Chalmers 7580, Allis Chalmers 8010, Allis Chalmers 8030, Allis Chalmers 8050, Allis Chalmers 8070, Allis Chalmers A, Allis Chalmers B, Allis Chalmers C, Allis Chalmers CA, Allis Chalmers D10, Allis Chalmers D12, Allis Chalmers D14, Allis Chalmers D15, Allis Chalmers D19, Allis Chalmers D270, Allis Chalmers E 30-60, Allis Chalmers FD3, Allis Chalmers FD5, Allis Chalmers G, Allis Chalmers HD11, Allis Chalmers HD16A, Allis Chalmers HD20, Allis Chalmers HD3, Allis Chalmers HD6, Allis Chalmers HD9, Allis Chalmers T16, Allis Chalmers UC, Allis Chalmers WF,