M7 SPECIFICATIONS
Wheelbase (with wheels)...........................................81 in  Maximum allowable speed (with auxiliary transmission in 
Length,over-all (with skis)..............................13 ft 7 1/2 in.  low range )
Lenght, over-all (with wheels)............................10 ft 11 in.    1st gear..................................................................4 mph
Width, over-all (with skis).....................................5 ft 3 in.    2nd gear.................................................................7 mph
Width, over-all (with wheels).................................5 ft 3 in     3rd gear.................................................................10 mph
Height, over-all (with skis)...............................5 ft 3 1/2 in     Reverse gear...........................................................3 mph
Height, over-all (with wheels)................................5 ft 4 in   
Wheel size......................................................4:00 x 15 in  Maximum allowable speed ( with auxiliary transmission in
Tire size.............................................................4 ft 15 in   high range)
Tire type ...........................................................Rib Type    1st gear..................................................................15 mph
Tread (center to center)(with wheels)                                    2nd gear.................................................................26 mph
   front...........................................................51 11/10 in     3rd gear.................................................................41 mph
   rear.....................................................................45 in     Reverse gear...........................................................11 mph
Tread (center to center)(with skis)                   
   front....................................................................40 in   Minimum turning radius (right)...................................15 ft.
   rear......................................................................45in                                       (left).....................................15 ft.
Crew....................................................................2 Men    Fording depth...........................................................30 in.
Weight of vehicle-empty........................................2620 lb   Towing facilities (front)............Loop under each side of frame
Weight of vehicle-with personnel............................3120 lb                            (rear)................................................Pintle
Ground pressure (skis)............................................1.1 lb   Maximum drawbar pull...............................................1000 lb
Ground pressure (tracks on snow)............................3/4 lb   Maximum grade ascending ability...........................75 per cent Ground contact area (with skis)........................3348 sq. in   Maximum allowable engine speed ............................4000 rpm
Ground clearance (with skis)...............................12 3/4 in   Miles per gallon (at 20 mph without load).............................15
Ground clearance (with wheels)...........................13 3/4 in   Cruising range................................................................160
Pintle height.......................................................15 3/4 in
Kind and grade of fuel (octane)....Gasoline-68 octane (min.)
Approach angle (with skis)...............................40 degrees
Approach angle (with wheels)...........................60 degrees
Departure angle (wheels or skis).......................60 degrees
Tabulated Data
Performance
M7 Capacities
Transmission capacity.....................................3/4 quart
Auxiliary transmission capacity.........................3/4 quart
Differential case capacity...............................1 1/4 quart
Fuel tank capacity.....................................10 1/2 gallons
Cooling system capacity...................................3 gallons
Crankcase capacity...........................................5 quarts
M19 Trailer Specifications
Weight (with insulated canopy)......................................640 lb
Load capacity..........................................................   2000 lb
Over-all dimensions:
   Length.................................................................134 1/4 in
   Width (on wheels)..................................................73 1/2 in
   Width (on skiswith wheels in transport)....................73 1/2 in
   Width (on skis, wheels removed from vehicle)...........64 1/2 in
   Height.........................................................................63 in
Frame only:
   Length...................................................................91 1/4 in
   Width....................................................................40 1/2 in
Cargo space:
   Length...................................................................91 1/4 in
   Width....................................................................46 1/4 in
   Height (at center)....................................................40 1/2 in
             (at sides)...........................................................39 in
Canopy (weight)............................................................60 lb
Skis:
   Length........................................................................70 in
   Width.........................................................................12 in
Wheels:
   Type.......................................................................Military
   Tire size........................................................6:00-16--6-ply
   Tread..........................................................................58 in
M7 Engine Tabulated Data
Make and Model.................................................Willys MB
Type....................................................................Gasoline
Number of cylinders......................................................  4
Bore......................................................................3 1/8 in
Stroke...................................................................4 3/8 in
Number of cycles........................................................4 in
Piston displacement...........................................134.2 cu in
Compression ratio.................................................6.48 to 1
Horsepower (maximum brake)......................63 at 3900 rpm
Compression pressure..............................111 lb at 185 rpm
Firing order...........................................................1-3-4-2
Cylinder head screw tightness.............................65-75 lb-ft
Cylinder head stud nut tightness..........................60-65 lb-ft
Intake valve tappet clearance (cold).........................0.014 in
Exhaust valve tappet clearance (cold).......................0.014 in
Over-all length...........................................................27 in
Over-all height...........................................................28 in
Over-all width............................................................23 in