Alpha Models (Cast Iron)

These engines can be identified by a brass nameplate. Stamped on the name plate is the model and serial number.

A,AG,AGR,AH,AHL,ABLP,AHMT,AHP, AHR-4, AHR-6, AL,
ALP, ALR-4, ALR-6, AM, AMG, AMT, AP, AR-4, AR-6
B, BH, BHL, BHLP, BHP, BHR-4, BHR-6, BL, BLP,
BLR-4, BLR-6, BM, BMG, BP, BR-4, BR-6
D
F, FB, FC, FE, FG, FH, FHI, Fl,FJ1, FJ
H, HM
I, IBPH, IBLP, IL, ILR-6, IM, 1MT, IP, I:R-1.6,
IPR-&, IR-2, IR-4, IR-6, IS
J
KA, KL, KLP, KM, KP, KR-4, KR-6
L, L1, LA
M, I, MB, MC, MP, MX, MJ
N, NP, NPR, NPR-1.39-1, NPR-6, NR-1. 39-1, NR-6,
NS, NSPR-6
PB
Q
S (Early Model), S, SC,SD
T, TA, TC, TF
U, UR
W, WA, Wl, WIBP, WIPR-6, WR-6, WM, WMB, WMI
Y
Z, ZA, ZAL, ZH, ZHLP, ZHP, ZHR-4, ZHR-6, ZL, ZLP,
ZM, ZMT, ZP, ZR-4, ZR-6, ZZ, ZL, ZLP, ZMG, ZZP,
ZZR-4, ZR-6

There were additional engines not listed that were manufactured by the company for various other uses, e.g., vehicles, power-chargers, transmissions for tractors and cultivators and push lawn mowers.