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Allis Chalmers G

Allis Chalmers G tractor
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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 Gtractorspecificationsenginetransmissiondimensionspowerfarm tractor
Power11 hp[B]
Founded1948 - 1955
ModelG

Technical Specifications

Detailed specifications and technical data for Allis Chalmers G

Links

Allis G Restoration:photos of the restoration of a 1949 AC G

Power

Belt (tested):10.33 hp (7.7 kW)
Drawbar (tested):9.04 hp (6.7 kW)
Drawbar (claimed):10 hp (7.5 kW)

Tires

Rear tire:6-30
Front tire:4.00-12

Engine

Type:gasoline
Model:Continental AN-62
Cooling:liquid-cooled vertical L-head
Cylinders:4-cylinder
Fuel tank:5 gal (18.9 L)
Point gap:0.020 inches (0.508 mm)
Rated RPM:1800
Air cleaner:oil bath
Bore/Stroke:2.375x3.50 inches (60 x 89 mm)
Displacement:62 ci (1.0 L)
Firing order:1-3-4-2
Oil capacity:3.5 qts (3.3 L)
Sparkplug gap:0.025 inches (0.635 mm)
Starter volts:6
Coolant capacity:6.5 qts (6.2 L)
Compression ratio:5.75:1
Intake valve clearance:0.010 inches (hot) (0.254 mm)
Exhaust valve clearance:0.010 inches (hot) (0.254 mm)

Weight

Shipping:1285 lbs (582 kg)
Ballasted:1750 lbs (793 kg)
Operating:1400 lbs (635 kg)

Dimensions

Length:116 inches (294 cm)
Wheelbase:68.5 inches (173 cm)
Rear tread:36 to 64 inches (91 to 162 cm)
Front tread:36 to 64 inches (91 to 162 cm)
Clearance (drawbar):13.1 inches (33 cm)
Clearance (rear axle):17.4 inches (44 cm)
Height (steering wheel):55.7 inches (141 cm)

Electrical

Ground:positive
Battery volts:6
Charging system:generator

Mechanical

Drive:Two-wheel drive
Brakes:Mechanical external expanding brakes
Steering:Manual steering
Operator station:Open operator station

Production

Type:Tool Carrier tractor
Built in:Gadsden, Alabama, USA
Description: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.
Total built:29,976
Original price:$970 in 1955
Years produced:1948 - 1955

Belt Pulley

RPM:1950
Speed:3063 ft/min (933.60 meters/min)
Width:4 inches (10 cm)
Diameter:6 inches (15 cm)

Transmission

Type:gear
Gears:3 forward and 1 reverse
Clutch:165.1mm dry disc

Creeper

Type:creeper
Gears:4 forward and 1 reverse
Clutch:165.1mm dry disc
Oil capacity:8 qts (7.6 L)
Oil capacity:8 qts (7.6 L)

Serial Numbers

1948:6
1949:10961
1950:23180
1951:24006
1952:25269
1953:26497
1954:28036
1955:29036
Final:29976
Location:Top of transmission case, rear of shift lever