AH - 36 ............ 3.6 CU IN .......... 57 CC

AH - 440 ..................................... 70.5 CC
CYLINDER BORE: 2.09 in. (53 mm)
PISTON STROKE: 1.25 in. (31.7 mm)

AH - 47 ......................4.7 CU IN ..... 77 CC
CYLINDER BORE: 2.0 in. (50.8 mm)
PISTON STROKE: 1.50 in. (38 mm)

AH - 480 .................................... 79.5 CC
CYLINDER BORE: 2.09 in. (53 mm)
PISTON STROKE: 1.41 in. (35.8 mm)

AH - 490 .................................... 79.5 CC
CYLINDER BORE: 2.09 in. (53 mm)
PISTON STROKE: 1.41 in. (35.8 mm)

AH - 520 .................................... 84.5 CC
CYLINDER BORE: 2.09 in. (53 mm)
PISTON STROKE: 1.50 in. (38 mm)

AH - 58 ...................... 5.8 CU IN .... 95 CC
CYLINDER BORE: 2.090 in. (53 mm)
PISTON STROKE: 1.680 in. (42.6 mm)

AH - 61 ....................... 6.1 CU IN......... CC
CYLINDER BORE
PISTON STROKE. 1.769 in

AH - 750 .................................... 122.9 CC
CYLINDER BORE: 2.375 in. (60 mm)
PISTON STROKE: 1.680 in. (42.6 mm)

AH - 81 .......................8.1 CU IN .... 130.7 CC
CYLINDER BORE: 2.50 in. (63.5 mm)
PISTON STROKE: 1.625 in. (41.2 mm)

AH - 82 .......................8.2 CU IN .... 135 CC
CYLINDER BORE: 2.50 in. (63.5 mm)
PISTON STROKE: 1.68 in. (42.6 mm)

PP 1000 ......................................... CC
1 1/2 inch bore, 1 3/8 inch stroke, 2.43 cubic inches. Rated at 1 HP,
operating speed 2700 to 3800 rpm, built 1952 - 1956