A manual tranny truck can be push started. Try that with an automatic. Old automatics could. The Powerglide in my '59 Impala and the HydraMatic in my '57 GMC both had rear pumps which provided enough hydraulic pressure to operate the transmission to get the engine turned over from a push.
'57 GMC 102, Original 347 V8, HydraMatic, 3.08 rear gear, added A/C, disk front brakes, HEI, AFB carb, '98 Honda Black Currant paint. T-boned and totaled 10/12
'52 GMC 152 Stake Bed, Original 228, SM420, added A/C, HEI, disk front brakes, '67 Chev 3.55 rear gear. Gets used as a real truck.
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