Allis-Chalmers 20-35 Specs ( 1922-1930 )
Production
| Description | Standard-tread tractor / Built in West Allis, Wisconsin, USA / When the Allis-Chalmers E 18-30 was re-tested in 1921 at 930 RPM, it produced a rated 38 belt horsepower. The tractor was re-named the 20-35. |
|---|---|
| Manufacturer | Allis Chalmers |
Engine
| Aux. fuel | 7.75 gal (29.3 L) |
|---|---|
| Engine type | Allis Chalmers 7.6L 4-cyl gasoline |
| Fuel tank | 25 gal (94.6 L) |
| Air cleaner | oil bath |
| Bore/Stroke | 4.75x6.50 inches (121 x 165 mm) |
| Coolant capacity | 40 qts (37.9 L) |
| Description | Allis Chalmers / gasoline / 4-cylinder / liquid-cooled vertical valve-in-head |
| Displacement | 460.7 ci (7.6 L) |
| Fuel system | Kingston L 1.5" carburetor |
| Rated RPM | 930 |
| Belt (claimed) | 35 hp (26.1 kW) |
| Belt (tested) | 44.29 hp (33.0 kW) |
| Drawbar (claimed) | 20 hp (14.9 kW) |
| Drawbar (tested) | 33.20 hp (24.8 kW) |
Transmission
| Clutch | hand-operated expanding shoe |
|---|---|
| Gears | 2 forward and 1 reverse |
| Transmission type | 2-speed unsynchronized gear |
| Type | unsynchronized gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Manual steering |
| Drive type | Two-wheel drive |
Dimensions & Tires
| Ag front | 36x6 steel |
|---|---|
| Ag rear | 50x12 steel |
| Height | 68 inches (172 cm) |
| Length | 135 inches (342 cm) |
| Weight | 6640 lbs (3011 kg) |
| Width | 66 inches (167 cm) |
| Front tire | 36x6 |
| Rear tire | 50x12 |
| Weight | 6640 lbs (3011 kg) |
20-35 Serial Numbers
| 1923 | 6161 |
|---|---|
| 1924 | 6397 |
| 1925 | 6755 |
| 1926 | 7369 |
| 1927 | 8070 |
| 1928 | 9870 |
| 1929 | 16762 |
| 1930 | 23252 |
| Description | FAQ: How to read a serial number table. |
| Final | 24185 |
| Location: | Serial number on a plate in front of the steering wheel until 1927. After, the serial number is front of shifter on transmission case. |
Belt Pulley
| Diameter | 13 inches (33 cm) |
|---|---|
| RPM | 930 |
| Width | 8.5 inches (21 cm) |
Nebraska Tractor Test 151
| Belt fuel use (max) | 5.0 gal/hour (18.9 l/hour) |
|---|---|
| Belt power (max) | 44.29 hp (33.0 kW) |
| Description | Gasoline 2-speed 2WDJune 19 - 26, 1928Link: Nebraska Tractor Test 151 file / Drawbar performance |
| Max power | 33.20 hp (24.8 kW) |
| Max pull | 4,400 lbs (1995 kg) |
Nebraska Tractor Test 83
| Belt fuel use (max) | 4.7 gal/hour (17.8 l/hour) |
|---|---|
| Belt power (max) | 43.73 hp (32.6 kW) |
| Description | Gasoline 2-speed 2WDSeptember 15 - 24, 1921Link: Nebraska Tractor Test 83 file / Drawbar performance |
| Max power | 25.45 hp (19.0 kW) |
| Max pull | 3075 lbs (1394 kg) |
References
| Description | 20-35 Tractors published in 1929, by Allis Chalmers |
|---|
Tractor Tests
| Description | NTTL 83: gasoline 2-speed 2WD / NTTL 151: gasoline 2-speed 2WD |
|---|