Massey-Harris Model 30 (1947 - 1953)

Engine Continental 4 cylinder 162 cubic inch
bore 3 7/16"
stroke 4 3/8"
twin power no load speed 1950 rpm
regular power no load 1725 rpm
twin power loaded speed 1800 rpm
regular power loaded speed 1500 rpm
compression ratio 6.23:1
PSI cranking speed (gasoline) 115 - 120
PSI cranking speed (distillate) 85 - 90
carburetor Marvel-Schebler TSX 308
generator Autolite 6V positive ground
transmission 5 speed + reverse
front tires 5.00 X 15
rear tires 11 X 28 (standard)

 10 X 38 (row crop)

weight 3584 lbs (standard)

 3468 lbs (row crop)

Nebraska Test 409
Production Data 32,418 units