Allchin 3” Traction Engine

General Specifications

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Traction Engines...

Length (overall)

50”

Height (overall)

32

Track Front

20”

Track Rear

23 1/2

Wheelbase

 

Rear Wheel

18” dia x 5 3/4” wide

Front Wheel

15” dia x 3” wide

Flywheel

16 1/2” dia x 2” wide

Final Drive Gear

14 7/8” dia

2 Speed Gearing Ratio

1st - 7.6 Overall

Double Gear Drive to rear axle

2nd - 6.3 Overall

Weight (approximate)

11 cwt

Working Pressure   Single Cylinder
                             Compound

100 psi
150 psi

Cylinder bore  Single Cylinder           
                     Compound

 3” dia
 2” dia
+ 3 5/16” dia

Stroke

 3 3/4