Gasoline Tank.—Terneplate tanks. Two independent duplicate tanks each of 12 gallon capacity. Auxiliary terneplate tank under armor, 10-gallon capacity.
Main Frame.—Cast in one piece-open hearth steel.
Roller Frames.—Four frames steel channel, joined by oscillating shaft. Two frames right and left front. Two frames right and left rear.
Truck Rollers.—Six on each side of tractor, fitted with roller bearings, turned on steel gudgeons, flanked to follow track rail.
Track.—Made up of malleable iron track shoes with track links. Integral, fitted with space blocks, and 1.25” pins.
Track Drive Sprockets.—Two. Teeth mesh with opening in tracks.
Blank Sprockets.—Two. Fitted with roller bearings which turn on steel gudgeons. Used to adjust track tension.
Track Supporting Rollers.—Four on each side of tractor, two mounted on brackets attached to front roller frame channel, and two in the rear mounted on spring bracket which is bolted to main frame.
Springs.—Four double coil springs at rear, two on each side between rear roller frame and bracket on main frame and four—two on each side of equalizing bar at front.
Equalizing Bar.—Spring supported on front roller frame sections.