Equipment

Brands

Allis Chalmers 18-30 Tractor (1918-1921)

Manufacturer:

Allis Chalmers

Price:

1,785(USD)

Series:

Model:

18-30

Factory:

West Allis, Wisconsin, USA

Full Specifications

NEBRASKA TRACTOR TEST 55

Description

Gasoline 2-speed 2WD/August 23 - September 6, 1920/Link: Nebraska Tractor Test 55 file/Drawbar performance

Belt power (max)

33.41 hp/24.9 kW

Belt fuel use (max)

4.6 gal/hour/17.4 l/hour

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

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

ENGINE DETAIL

Description

Allis Chalmers/gasoline/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

Air cleaner

oil bath

Rated RPM

830

Coolant capacity

40 qts/37.9 L

ALLIS CHALMERS 18-30 ENGINE

Description

Allis Chalmers 7.6L 4-cyl gasoline

Fuel tank

25 gal/94.6 L

Aux. fuel

7.75 gal/29.3 L

TRANSMISSION

Type

unsynchronized gear

Gears

2 forward and 1 reverse

Clutch

hand-operated expanding shoe

MECHANICAL

Chassis

4x2 2WD

Cab

Open operator station.

Transmission

2-speed unsynchronized gear

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

DIMENSIONS & TIRES

Weight

6150 lbs/2789 kg

Front tire

36x6

Rear tire

50x12

18-30 SERIAL NUMBERS

Location

front of shifter on transmission case

1919

5000

----

5006

1920

5161

1921

6015

1922

????

BELT PULLEY

Diameter

13 inches/33 cm

Width

8.5 inches/21 cm

RPM

930