Allis Chalmers U

Allis Chalmers U Technical Specifications

Allis Chalmers U is a Row-Crop tractor that was produced by the John Deere between 1929 – 1952.

Below you will find detailed technical specifications for Allis Chalmers U covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

Allis Chalmers U Production

Manufacturer: Allis Chalmers
Type: Standard-tread tractor
Factory: West Allis, Wisconsin, USA
Total built: 19,009
Tractors fitted with factory steel wheels had a 3-speed gearbox, done by removing a shifter fork from the regular transmission. The U was also sold as the United Model U (1929-1931), and was distributed by the United Tractor and Equipment Corporation. United was a group of Fordson dealers who contracted Allis for a new tractor, once Ford stopped North American production of the Fordson.

Allis Chalmers U Power

Drawbar (claimed): 20 hp
14.9 kW
Belt (claimed): 31 hp
23.1 kW
Plows: 3 (14-inch)
Drawbar (tested): 30.37 hp
22.6 kW
Belt (tested): 35.04 hp
26.1 kW

Allis Chalmers U Mechanical

Chassis: 4×2 2WD
Transmissions: 3-speed

Allis Chalmers U Engine detail

Engine Detail
vertical I-head
The 301 Allis engine replaced was the second engine on the All-Crop / UC. It was used from 1933 until 1936; tractor serial numbers UC1369 though UC2281
Displacement: 300.7 ci
4.9 L
Bore/Stroke: 4.375×5.00 inches
111 x 127 mm
Rated RPM: 1200

Allis Chalmers U Transmission overview

Engine Oil

Type: non-synchronized gear
Gears: 3 forward and 1 reverse

Allis Chalmers U Dimensions

Wheelbase: 87 inches
220 cm
Length: 145 inches
368 cm
Width: 81 inches
205 cm
Height: 69.5 inches
176 cm
Weight: 5815 lbs
2637 kg

Allis Chalmers U Tests

Nebraska Tractor Test 189

Nebraska Tractor Test 189
Continental 3-speed 2WD
April 17 – May 13, 1931
Link: Nebraska Tractor Test 189 file
Belt power (max): 36.09 hp
26.9 kW
Belt fuel use (max): 4.1 gal/hour
15.5 l/hour
Drawbar performance
Max power: 24.98 hp
18.6 kW
Gear 1 used for power test.
Max pull: 3,763 lbs
1706 kg
Gear 1 used for pull test.

Nebraska Tractor Test 238

Nebraska Tractor Test 238
Allis 300 ci 4-speed 2WD
June 16 – August 8, 1935
Link: Nebraska Tractor Test 238 file
Belt power (max): 34.09 hp
25.4 kW
Belt fuel use (max): 4.1 gal/hour
15.5 l/hour
Drawbar performance
Max power: 21.14 hp
15.8 kW (rubber)
  23.67 hp
17.7 kW (steel)
Max pull: 2,297 lbs
1041 kg (rubber)
  2,593 lbs
1176 kg (steel)


Is Allis Chalmers U a good tractor?

The Allis Chalmers U is one of the great tractors in the Allis Chalmers stable, and it has earned Allis Chalmers a fantastic reputation.

How much oil does a Allis Chalmers U take?

Check out the Allis Chalmers U oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year Allis Chalmers made the ?

The Allis Chalmers U was an agricultural tractor model made from 1929 – 1952

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