Original Allis-Chalmers Tractors 1933-1957
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Allis Chalmers 25-40
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| Production years: | 1930 - 1936
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| Next model: | Allis Chalmers A
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| Tractor type: | Farm/Agricultural tractor
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| | Production: |
| Manufacturer: | Allis Chalmers
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| Factory: | West Allis, Wisconsin, USA
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| Total built: | 2,426
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| Original price: | -unknown- |
| | Capacity: |
| Fuel: | 30 gal [113.6 L]
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| Aux. fuel: | 1 gal [3.8 L]
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| | 25-40 Serial Numbers: |
| Location: | front of shifter on transmission case
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1930: 24186
1931: 24843
1932: 24972
1933: 25024
1934: 25062
1935: 25309
1936: 25582
how to read serial numbers...
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| | Allis Chalmers 25-40 Power: |
| Drawbar (claimed): | 27 hp [20.1 kW]
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| Belt (claimed): | 42.6 hp [31.8 kW]
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| Drawbar (tested): | 33.82 hp [25.2 kW]
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| Belt (tested): | 47 hp [35.0 kW]
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| | Mechanical: |
| Chassis: | 4x2 2WD
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| Steering: | -unknown- |
| Brakes: | -unknown- |
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| | Electrical: |
| Ground: | -unknown- |
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| | Dimensions: |
| Weight: | 7,000 lbs [3175 kg]
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| Wheelbase: | -unknown- |
| Length: | 152 inches [386 cm]
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| Width: | 76 inches [193 cm]
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| Height: | 65 inches [165 cm]
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| Ground clearance: | -unknown- |
| | Allis Chalmers 25-40 Tires: |
| Ag front: | 36x6 steel
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| Ag rear: | 50x12 steel
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| | Engine: |
| Manufacturer: | Allis Chalmers
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| Fuel: | gasoline
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| Type: | vertical I-head
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| Cylinders: | 4
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| Valves: | -unknown- |
| Bore/Stroke: | 5.00x6.50 inches [127 x 165 mm]
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| Displacement: | 510.5 ci [8.4 L]
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| Cooling: | -unknown- |
| Compression: | -unknown- |
| Rated RPMs: | 1000
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| Starter type: | -unknown- |
| | Engine: |
| Manufacturer: | Allis Chalmers
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| Fuel: | -unknown- |
| Cylinders: | 4
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| Valves: | -unknown- |
| Bore/Stroke: | 5.25x6.50 inches [133 x 165 mm]
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| Displacement: | 563 ci [9.2 L]
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| Cooling: | -unknown- |
| Compression: | -unknown- |
| Rated RPMs: | -unknown- |
| Starter type: | -unknown- |
| | Transmission: |
| Forward: | 2
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| Reverse: | 1
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| Oil capacity: | -unknown- |
| | Nebraska Tractor Test 183: |
| Test Date: | June 1931
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| Engine: | -unknown- |
| Belt power (max): | 47 hp [35.0 kW]
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| Drawbar power (max): | 33.82 hp [25.2 kW]
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| Drawbar pull (max): | 4,133 lbs [1874 kg]
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| | Page information: |
| Last update: | March 5, 2008
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| Copyright: | Copyright 2010 TractorData LLC
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| Contact: | Peter@TractorData.com
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