Page 48 - 1937-41 Piper J-3 Trainer Parts Catalog

PIPER TRAINER J-3 • 1937-1941 • PARTS MANUAL

Model Design Engine Installation Ground RPM Air RPM Type RPM New Part # Old Part # PRICE
SEA PLANES
J-4 Continental 50hp 1900 2150 496-220 76B47 NM!
J-4 Continental 65hp 2250 2500 450-900 72C42 NM!
J-4 Lycoming 65hp 2350 2600 496-209 70LY34 NM!
LAND PLANES
J-5 Continental 75hp 2500 2775 496-201 70D42 NM!
J-5 Lycoming 75hp 3100 3400 496-224 78LY52 NM!

Propeller Spinner Assembly for J-3 Airplanes – No Longer Available

ENGINE MODEL DESIGNATIONS

FRANKLIN ENGINES
4AC-176-B2 Dual 65hp
4AC-176-BA2 Dual 65hp (Primer Eliminated)
4AC-150 Single or Dual 50hp
4AC-171 Dual 60hp
CONTINENTAL ENGINES
A-40 Series 2 and 3 Single 37hp
A-40 Series 4 and 5 Dual 40hp
A50-4 Single 50hp
A50-5 Dual 50hp
A65-1 Single 65hp
A65-3 Dual 65hp
A75-3 Dual 75hp
LYCOMING ENGINES
0-145-A1 Single 50hp
0-145-A2 Dual 55hp
0-145-A3 Dual 55hp
0-145-B1 Single 65hp
0-145-B2 Dual 65hp
0-145-B3 Dual 65hp
0-145-C1 Single 75hp
0-145-C2 Dual 75hp
0-145-C3 Dual 75hp
0-235 Dual 100hp

Ships from serial number 2355 and up equipped with 40hp engines are eligible for a 50 to 65hp engine installation. When such a conversion
is made, a twelve (12) gallon fuel tank must be installed in place of the nine (9) gallon tank (which was original equipment installed). For
the conversion from nine (9) gallon tank to the twelve (12) gallon tank see page 37.

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