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. Transmission: creeper. Operating weight: 1285 to 1400 pounds.
Fuel & Capacities
5 gal
18.9 L
Transmission
creeper
Operating Weight
1285 to 1400 pounds
Overview
 | 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 model G tractor.
Allis-Chalmers G with sickle-bar mower.
Allis-Chalmers G with sickle-bar mower.
Allis-Chalmers G with planter.
Allis-Chalmers G with plow.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Allis Chalmers G.
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
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)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
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