Allis Chalmers G
The Allis Chalmers G is a tractor produced by Allis Chalmers. It is equipped with a 62 ci 1.0 L engine. The rated power output is 10.33 hp 7.7 kW. Transmission: creeper. Operating weight: 1285 to 1400 pounds.
Engine Power
10.33 hp
7.7 kW
Fuel & Capacities
5 gal
18.9 L
Transmission
creeper
Operating Weight
1285 to 1400 pounds
Allis Chalmers G 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
![]() | 1948 - 1955
Tool Carrier tractor |
|---|---|
1948 - 1955 | |
Tool Carrier tractor | |
Production | |
|---|---|
Manufacturer | Allis Chalmers |
Tool Carrier tractor | |
Built in Gadsden, Alabama, USA | |
Total built | 29,976 |
Original price was $970 in 1955 | |
The Allis-Chalmers G was designed for small farms and gardens. The small, rear-engine machine was more like the motor cultivators of the 1920s than a tractor. It featured a full line of custom implements that mounted under the belly. | |
Allis Chalmers G Engine | |
|---|---|
Continental 1.0L 4-cyl gasoline | |
Fuel tank | 5 gal
18.9 L |
Engine details ... | |
Allis Chalmers G Power | |
|---|---|
Drawbar (claimed) | 10 hp
7.5 kW |
Drawbar (tested) | 9.04 hp
6.7 kW |
Belt (tested) | 10.33 hp
7.7 kW |
Performance test details ... | |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Mechanical external expanding brakes | |
Open operator station. |
Dimensions & Tires | |
|---|---|
Wheelbase | 68.5 inches
173 cm |
Weight | 1285 to 1400 pounds |
Front tire | 4.00-12 |
Rear tire | 6-30 |
Full dimensions and tires ... | |
Links | |
|---|---|
Allis G Restoration: photos of the restoration of a 1949 AC G |
Belt Pulley | |
|---|---|
Diameter | 6 inches
15 cm |
Width | 4 inches
10 cm |
RPM | 1950 |
Speed | 3063 ft/min
933.60 meters/min |
Electrical | |
|---|---|
Ground | positive |
Charging system | generator |
Battery volts | 6 |
References | |
|---|---|
![]() | |
Model G Rear Engine Tractor published in 1950, by Allis Chalmers | |
The Model G Tractor published in 1948, by Allis Chalmers | |
Operating Instructions Model G Tractor (TM-4A) | |
Farm Equipment Service Manual (SM-3) | |
Farm Power Facts published in 1954, by Allis Chalmers |
Engine
Engine Detail — 62 ci / 1.0 L Gasoline
Manufacturer | Continental AN-62 |
Fuel Type | Gasoline |
Configuration | 4-cylinder, liquid-cooled vertical L-head |
Displacement | 62 ci
1.0 L |
Bore/Stroke | 2.375x3.50 inches
60 x 89 mm |
Air cleaner | oil bath |
Compression | 5.75:1 |
Rated RPM | 1800 |
Firing order | 1-3-4-2 |
Starter volts | 6 |
Coolant capacity | 6.5 qts
6.2 L |
Sparkplug gap | 0.025 inches
0.635 mm |
Point gap | 0.020 inches
0.508 mm |
Intake valve clearance | 0.010 inches (hot)
0.254 mm |
Exhaust valve clearance | 0.010 inches (hot)
0.254 mm |
Oil capacity | 3.5 qts
3.3 L |
Transmission
Transmission options | |
|---|---|
3-speed gear | |
4-speed creeper |
Transmission — 3 forward and 1 reverse gear
Type | gear |
Gears | 3 forward and 1 reverse |
Clutch | 165.1mm dry disc |
Oil capacity | 8 qts
7.6 L |
![]() | |
Transmission — creeper
Transmission | creeper |
Type | creeper |
Gears | 4 forward and 1 reverse |
Clutch | 165.1mm dry disc |
Oil capacity | 8 qts
7.6 L |
![]() | |
Dimensions
Allis Chalmers G Tires | |
|---|---|
Ag front | 4.00-12 |
Ag rear | 6-30 |
Dimensions | |
|---|---|
Wheelbase | 68.5 inches
173 cm |
Length | 116 inches
294 cm |
Height (steering wheel) | 55.7 inches
141 cm |
Clearance (rear axle) | 17.4 inches
44 cm |
Clearance (drawbar) | 13.1 inches
33 cm |
Front tread | 36 to 64 inches
91 to 162 cm |
Rear tread | 36 to 64 inches
91 to 162 cm |
Allis Chalmers G Weight | |
|---|---|
Shipping | 1285 lbs
582 kg |
Operating | 1400 lbs
635 kg |
Ballasted | 1750 lbs
793 kg |
Tests
Nebraska Tractor Test 398 | |
|---|---|
Gasoline 4-speed 2WD
July 16 - 30, 1948
Link: Nebraska Tractor Test 398 file | |
Belt power (max) | 10.33 hp
7.7 kW |
Belt fuel use (max) | 1.2 gal/hour
4.5 l/hour |
Drawbar performance | |
Max power | 9.04 hp
6.7 kW |
Gear 2 used for power test. | |
Max pull | 1,143 lbs
518 kg |
Gear 1 used for pull test. | |
Photos
Allis Chalmers G Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Allis Chalmers G.
Converted Equivalents:
Horsepower (HP)10.3 hp
Kilowatts (kW)7.7 kW
Metric Horsepower (PS / CV)10.5 PS








