Crew: 4 men Length: With rear stowage box 197.9 inch Width: Over sandshields 99.4 inch Height: Over MG mount 101 inch Tread: 73.0 inch Ground Clearance: 16.5 inch Fire Height: 76 inch Turret Ring Diameter: (inside) 46.75 inch Weight, Combat Loaded: 32,400 pounds

Net Torque: (max) 584 ft-Ib at 1800 rpm Weight, Unstowed: 28,000 pounds

Gross Torque: (max) 590 ft-Ib at 1700 rpm

Fuel: 80 octane gasoline 110 gallons Ground Pressure: Zero penetration 11.9 psi

ARMOR Type: Turret, rolled homogeneous steel; Hull, rolled homogeneous steel; Welded assembly

Hull Thickness: Actual Angle wlVertical Front, Upper 1.0 inches (25mm) 48 degrees Lower (cast) 1.75 inches (44mm) 23 degrees

Sides, Upper 1.0 inches (25mm) 20 degrees Lower 1.0 inches (25mm) 0 degrees Rear, Upper 1.0 inches (25mm) 59 degrees

Middle 1.0 inches (25mm) 0 degrees Lower 1.0 inches (25mm) 20 degrees Top 0.5 inches (l3mm) 90 degrees Floor, Front 0.5 inches (l3mm) 90 degrees

Rear 0.375 inches (lOmm) 90 degrees Turret Thickness:1.25 to 2 inches

ARMAMENT

Primary: 37mm Gun M6 in Mount M44 in turret

Traverse: Hydraulic and manual 360 degrees

Traverse Rate: (max) 15 secondsl360 degrees Elevaiion: Manual +20 to -10 degrees Firing Rate: (max) 30 roundslminute Loading System: Manual

Stabilizer System: Elevation only Secondary:

(I) .30 caliber MG M1919A4 (7exible AA mount on turret (1) .30 caliber MG M1919A5 coaxial wl37mm gun in turret (1) .30 caliber MG M1919A4 in bow mouni

Provision for (1) .45 caliber SMG M1928A1 AMMUNITION

174 rounds 37mm  12 hand grenades 540 rounds .45 caliber

7500 rounds .30 caliber

144 37mm rounds in command tanks

FIRE CONTROL AND VISION EQUIPMENT

Primary Weapon: Telescope M54

Periscope M4 with Telescope M40

Vision Devices: Direct Indirect Driver Hatch, peephole (1) Periscope M6 (1) Asst. Driver Hatch, peephole (1) Periscope M6 (1) Commander Hatch Peri.scope M6 (2) Gunner Hatch Periscope M4 (1)

Total Periscopes: M4 (1), M6 (4)

ENGINE

Make and Model: Continental W 670-9A Type: 7 cylinder, 4 cycle, radial Cooling System: Air Ignition: Magnetoes Displacement: 668 cubic inches Bore and Stroke:5.125 x 4.625 inches Compression Ratio: 6.1:1 Net Horsepower: (max) 250 hp at 2400 rpm Gross Horsepower: (max)262 hp at 2400 rpm Engine Oil: 32 quarts

POWER TRAIN

Clutch: Dry disc, 2 plate Transmission: Synchromesh, 5 speeds forward, 1 reverse

Gear Ratios: 1^st 5.37:1 4th 1.09:1 2nd 2.82:1 5th 0.738:1 3rd 1.72:1 reverse 6.19:1

Steering: Controlled differential Bevel Gear Ratio: 2.62:1 Steering Ratio: 1.845:1

Brakes: Mechanical, external contracting Final Drive: Herringbone gear Gear Ratio: 2.57:1 Drive Sprocket: At front of vehicle with 14 teeth Pitch Diameter: 24.56 inches

RUNNING GEAR

Suspension: Vertical volute spring 8 wheels in 4 bogies (2 bogies/track)

Tire Size: 20 x 6 inches 6 track return rollers (3 rollers/track)

Trailing adjustable idler w/volute spring at rear of each track .Idler Size: 30 x 6 inches

Tracks: Outside guide, rubber bushed; Type: (T16E1) Double pin, 11.6 inch width, rubber, reversible (TI6E2) Double pin, 11.6 inch width, rubber, non-reversible (T36E6) Double pin, 11.6 inch width, steel, parallel grouser (T55E1) Double pin, 11.6 inch width, steel, chevron .Pitch: 5.5 inches Shoes per Vehicle: 132 (66/track) Ground Contact Length: 117 inches

ELECTRICAL SYSTEM

Nominal Voltage: 12 volts DC Main Generator: (1) 12 volts, 50 amperes, belt driven by main engine Auxiliary Generator: (1) 12 volts, 50 amperes, driven by the auxiliary engine .Battery: (1) 12 volts COMMUNICATIONS

Radio: SCR 508, 528, or 538 in rear of turret; SCR 506 in right sponson (command tanks only)

Interphone: (part of radio) 4 stations Flag Set M238, spotlight, siren Flares: 3 each M17 and M18, (command tanks only) Ground Signals Projector M4 (command tanks only)

FIRE AND GAS PROTECTION

(1) 10 pound carbon dioxide, fixed (1) 4 pound carbon dioxide, portable (1) 1-1/4 quart decontaminating apparatus

PERFORMANCE

Maximum Speed: Level road, governed 31 miles/hour

Maximum Grade:60 per cent Maximum Trench:6 feet Maximum Vertical Wall: 24 inches

Maximum Fording Depth:36 inches Minimum turning Circle: (diameter)42 feet