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

Allis Chalmers G tractor photo
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
G references literature
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
G  gear speeds

Transmission — creeper

Transmission
creeper
Type
creeper
Gears
4 forward and 1 reverse
Clutch
165.1mm dry disc
Oil capacity
8 qts 7.6 L
G creeper creeper speeds

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 model G tractor.

Allis-Chalmers model G tractor.

Allis-Chalmers G with sickle-bar mower.

Allis-Chalmers G with sickle-bar mower.

Allis-Chalmers G with sickle-bar mower.

Allis-Chalmers G with sickle-bar mower.

Allis-Chalmers G with planter.

Allis-Chalmers G with planter.

Allis-Chalmers G with plow.

Allis-Chalmers G with plow.

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