P3: Three cylinder diesel engine, produced from 1953-11 to 1967-03. Family type is CA. Engine serial is a seven digit number beginning with 1.
F3: Three cylinder diesel engine, produced from 1957-08 to 1964-10. No family type.
P3.144: Three cylinder, 144 cubic inch diesel engine, produced from 1957-03 to 1969-05. Family type is CC.
F3.152: Three cylinder, 154 cubic inch diesel engine, produced from 1962-02 to 1964-09. No family type.
4.99: Four cylinder, 99 cubic inch diesel engine. Family type is EA.
4.107: Four cylinder, 107 cubic inch diesel engine. Wet sleeves. Commonly used in marine applications. Family type is EB.
T4.107: Four cylinder, 107 cubic inch turbocharged diesel engine. Wet sleeves. Very rare. Family type is EC.
4.108: Four cylinder, 108 cubic inch diesel engine. Dry sleeves. Family type is ED.
P4: Four cylinder diesel engine, produced 1937-06 to 1967-05. Family type is JA.
4.192: Four cylinder, 192 cubic inch diesel engine, produced from 1958-05 to 1972-01. Family type is JB.
L4: Four cylinder diesel engine, produced from 1952-10 to 1961-07. Commonly used in agricultural applications. No family type. Regarded as grandfather to later 4.236.
4.212: Four cylinder, 212 cubic inch diesel engine. Essentially, a 4.236 with a smaller bore. Family type is LA.
4.224: Four cylinder, 224 cubic inch diesel engine. Essentially, a 4.236 with a smaller bore. Very rare. Family type is LC.
4.236: Four cylinder, 236 cubic inch diesel engine. Family type is LD.
G4.236: Four cylinder, 236 cubic inch gasoline (or propane) engine. Family type is LE.
C4.236: Four cylinder, 236 cubic inch "compensated" (lightly turbocharged) diesel engine. Family type is LH.
T4.236: Four cylinder, 236 cubic inch turbocharged diesel engine. Family type is LJ.
4.248: Four cylinder, 248 cubic inch diesel engine. Essentially, a 4.236 with a larger bore. Family type is LF.
4.270: Four cylinder, 270 cubic inch diesel engine, produced from 1958-12 to 1974-04. Family type is NA.
4.300: Four cylinder, 300 cubic inch diesel engine. Family type is NB.
4.318: Four cylinder, 318 cubic inch diesel engine. Family type is NC.
P6: Six cylinder diesel engine, produced from 1938-01 to 1961-04. Family type is PA.
6.288: Six cylinder, 288 cubic inch diesel engine, produced from 1960-04 to 1964-01. Family type is PB.
6.305: Six cylinder, 305 cubic inch diesel engine, produced from 1959-03 to 1970-02. Family type is PC.
C.305: Produced from 1958-06 to 1961-05. No information.
6.306: Six cylinder, 306 cubic inch diesel engine, produced from 1965-12 to 1975-12. No family type.
S6: Six cylinder diesel engine, produced from 1939-05 to 1962-10. No family type.
6.354: Six cylinder, 354 cubic inch diesel engine. Family type is TC.
H6.354: Six cylinder, 354 cubic inch horizontal diesel engine. Very rare, used in marine applications. Family type is TD.
T6.354: Six cylinder, 354 cubic inch turbocharged diesel engine. Family type is TE.
HT6.354: Six cylinder, 354 cubic inch horizontal turbocharged diesel engine. Very rate. Family type is TF.
Engines that went out of production prior to 1978 may have been retroactively assigned a family type to expedite parts support (this is the case with the Perkins 4.107).
Three cylinder diesel engine, produced from 1953-11 to 1967-03.
Three cylinder diesel engine, produced from 1957-08 to 1964-10.
Engine block heaters (electric resistive heaters in the engine block) plugged into the utility grid are often used when an engine is shut down for extended periods (more than an hour) in cold weather to reduce startup time and engine wear.
On large engines, pre-lubrication and slow turning of an engine, as well as heating, are required to minimize the possibility of damaging the engine during initial start-up and running.
A gasoline (spark ignition) engine can sometimes act as a compression ignition engine under abnormal circumstances, a phenomenon typically described as "pinging" or "pinking" (during normal running) or "dieseling" (when the engine continues to run after the electrical ignition system is shut off).
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