A833 Manual Transmission Identification and Gear Ratios

Transmission1st2nd3rd4thNotes
1964-1966 A-body3.09:11.92:11.40:11:01Slant Six and Small Block engines. These transmissions had a short tailshaft and used a small 4.35" input bearing retainer size.
1964-1970 B/RB engine2.66:11.91:11.39:11:01These transmissions had a long tailshaft with a single forward shifter mount which is not on the same position as the later 1971-1974 transmissions. This is considered the close ratio V8 gearbox.
1966-1971 Hemi or 440 Six Pack engine2.65:11.91:11.39:11:01These transmissions had a long tailshaft with a single forward shifter mount and a 1 1/8" thick 18 spline input shaft. These are the heavy duty A-833 transmissions.
1967-1974 A-body2.66:11.91:11.39:11:01These transmissions had a short tailshaft are were the standard four speed offered in V8 A-bodies.
1970 Challenger T/A or AAR Cuda w/ 340 Six Pack2.47:11.77:11.34:11:01These transmissions had a long tailshaft with dual shifter mounts.
1970-1974 High Performance2.44:11.91:11.34:11:01These transmissions had a long tailshaft with dual shifter mounts.
1975-1987 Passenger Car Overdrive3.09:11.67:11:010.73:1These transmissions had a short tailshaft and used the large 5.125" input bearing retainer size.
1975-1987 Truck Overdrive3.09:11.67:11:010.71:1These transmissions had a long tailshaft with dual shifter mounts and used the large 5.125" input bearing retainer size.