ARTILLERY TRACTOR, 5-TON MODEL OF 1917.

Weights and Dimensions.

Overall length (armored)133.5 in.—3,400-mm.
Overall width63 in.—1,605-mm.
Height (armored, to top of muffler)72.5 in.—1,845-mm.
Length of ground contact91 in.—2,315-mm.
Ground clearance11 in.—280-mm.
Weight (complete with full equipment)9,200 lbs.—4,180 kg.
Ground pressure (9 and 11 inch treads)5.6-4.5 per sq. in.—0.394-0.316 kg. per sqcm.
Weight of each track545 lbs.—548 kg.
Weight of each track shoe (9-in.)12 lbs.—5.45 kg.
Width of track shoes9-11 in.—299-280-mm.
Tread of tracks (center to center of tracks)48.875 in.—1,243-mm.
Diameter of turning circle (overall clearance)176 in.—4,425-mm.
Engine, number of cylinders4
Bore4.75 in.—220.8-mm.
Stroke6 in.—152.5-mm.
Horsepower at 1,200 revolutions per-min56.
Oil reservoir capacity3.25 U. S. Gal—12.22 liters.
Road speed-gear used (per hour)
Low speed at 1,200 rev. per minute of engine1.94 miles—3.12 kilos.
Direct speed at 1,200 rev. per minute of engine3.92 miles—6.31 kilos.
High speed at 1,200 rev. per minute of engine7.37 miles—11.85 kilos.
Reverse speed at 1,200 rev. per minute of engine1.41 miles—2.27 kilos.
Capacity of main gasoline tanks (two) combined24 U. S. Gal.—90.5 liters.
Capacity of auxiliary tank under armor10 U. S. Gal.—37.85 liters.
Capacity of transmission case3 U. S. Gal.—11.3 liters.
Capacity of track oiler tank2.5 U. S. Gal.—9.43 liters.