Allis Chalmers 18-30
The Allis Chalmers 18-30 is a tractor produced by Allis Chalmers. It is equipped with a 460.7 ci 7.6 L engine. The rated power output is 33.41 hp 24.9 kW. Transmission: 2 forward and 1 reverse. Operating weight: 6150 lbs 2789 kg.
Engine Power
33.41 hp
24.9 kW
Fuel & Capacities
25 gal
94.6 L
Transmission
2 forward and 1 reverse
Operating Weight
6150 lbs
2789 kg
Allis Chalmers 18-30 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1918 - 1921
Standard-tread tractor |
|---|---|
1918 - 1921 | |
Standard-tread tractor | |
Production | |
|---|---|
Manufacturer | Allis Chalmers |
Standard-tread tractor | |
Built in West Allis, Wisconsin, USA | |
Total built | 1160 |
Original price was $1,785 in 1919 | |
Originally named the Allis-Chalmers 15-30, the tractor was renamed 18-30 after the first Nebraska test. | |
Allis Chalmers 18-30 Engine | |
|---|---|
Allis Chalmers 7.6L 4-cyl gasoline | |
Fuel tank | 25 gal
94.6 L |
Aux. fuel | 7.75 gal
29.3 L |
Engine details ...  | |
Allis Chalmers 18-30 Transmission | |
|---|---|
2-speed unsynchronized gear | |
Transmission details ...  |
Allis Chalmers 18-30 Power | |
|---|---|
Drawbar (claimed) | 18 hp
13.4 kW |
Belt (claimed) | 30 hp
22.4 kW |
Plows | 3 |
Drawbar (tested) | 20.55 hp
15.3 kW |
Belt (tested) | 33.41 hp
24.9 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two-wheel drive | |
Open operator station. |
Dimensions & Tires | |
|---|---|
Weight | 6150 lbs
2789 kg |
Front tire | 36x6 |
Rear tire | 50x12 |
Full dimensions and tires ...  | |
Belt Pulley | |
|---|---|
Diameter | 13 inches
33 cm |
Width | 8.5 inches
21 cm |
RPM | 930 |
References | |
|---|---|
 | |
18-30 4 Plow Tractor With Surplus Power published in 1921, by Allis Chalmers |
Engine
Engine Detail — 460.7 ci / 7.6 L Gasoline
Manufacturer | Allis Chalmers |
Fuel Type | Gasoline |
Configuration | 4-cylinder, liquid-cooled vertical valve-in-head |
Displacement | 460.7 ci
7.6 L |
Bore/Stroke | 4.75x6.50 inches
121 x 165 mm |
Fuel system | Kingston L 1.5" carburetor |
Air cleaner | oil bath |
Rated RPM | 830 |
Coolant capacity | 40 qts
37.9 L |
Allis Chalmers 18-30 Engine | |
|---|---|
 |
Transmission
Transmission — 2 forward and 1 reverse unsynchronized gear
Type | unsynchronized gear |
Gears | 2 forward and 1 reverse |
Clutch | hand-operated expanding shoe |
 | |
Dimensions
Allis Chalmers 18-30 Tires | |
|---|---|
Ag front | 36x6 steel |
Ag rear | 50x12 steel |
Dimensions | |
|---|---|
Length | 135 inches
342 cm |
Width | 66 inches
167 cm |
Height | 68 inches
172 cm |
Weight | 6150 lbs
2789 kg |
Tests
Nebraska Tractor Test 55 | |
|---|---|
Gasoline 2-speed 2WD
August 23 - September 6, 1920
Link: Nebraska Tractor Test 55 file | |
Belt power (max) | 33.41 hp
24.9 kW |
Belt fuel use (max) | 4.6 gal/hour
17.4 l/hour |
Drawbar performance | |
Max power | 20.55 hp
15.3 kW |
Fuel use | 3.5 gal/hour
13.2 l/hour |
Max pull | 3,500 lbs
1587 kg |
Photos
Allis-Chalmers E 18-30, right side.
Allis-Chalmers E 18-30, left side.
Allis Chalmers 18-30 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Allis Chalmers 18-30.
Converted Equivalents:
Horsepower (HP)33.4 hp
Kilowatts (kW)24.9 kW
Metric Horsepower (PS / CV)33.9 PS
Related models
Allis Chalmers U
- Power:
- 34.4
- Production years:
- 1929 - 1952
Allis Chalmers UC
- Power:
- 34.4
- Production years:
- 1933 - 1941
Allis Chalmers M
- Power:
- 35.6
- Production years:
- 1932 - 1942
Allis Chalmers H3
- Power:
- 35.7
- Production years:
- 1960 - 1967
Allis Chalmers 5030
- Power:
- 31
- Production years:
- 1979 - 1985