1976 ENGINE SERIES NUMBER AND SUFFIX CHART Tm CK TRUCK Tm Iyp Mark Dnnrlniua Ducrlp Modal Dasnrlnivn Dswlp 250 6 CYLINDER C10 Spd axc H D Chassis TBA C10 K10 4 4 T H 350 4 TAS C10 T H 350 exo H D Chassis C10 K10 4 Manual Trans TAT NB2 4 TBB C10 3 Spd exc H D Chassis C10 3 Spd w NB2 TBC NB2 TAA C10 T H 350 w NB2 TBD 292 6 CYLINDER C20 30 K20 T H 350 ax NB2 THK C 20 30 K20 Manual Trans exc NB2 THH C20 30 K20 Manual Trans w NB2 THR C20 30 K20 r T H 350 w NB2 THT C30 4 4 T H 400 ax NB2 THL C30 T H 4w w NB2 THU 350 8 CYLINDER C10 T H 350 w 2BC TKF C10 r 4 Spd exc H D Chassis TKH C10 3 Spd w 2BC TVC C10 20 K10 20 Manual Trans ax NB2 TYX C10 3 Spd w NB2 ax C10 20 K10 20 T H 350 exc NB2l TYZ H D Chassis TWJ C10 20 K10 Z0 Manual Trans w NB2 TYW C10 T H 350 w NB2 axc C10 20 KIO 20 T H 350 w NB2 TYV np Chassis TJK C20 30 K20 Manual Trans exc NB2 TXD C10 3 Spd exc l D Chassis C20 30 K20 T H 350 400 exc NB2 TXB NB2l TKA C20 30 K20 Manual Trans w NB2 TXC C10 T H 350 exc H D Chassis C20 30 K20 T H 350 400 w NBZ TXA NB2 TKB Xp wu a cvuuman l l0 20 exc NB2 TLS K20 exc NB2 TLM K10 20 NB2 TLR K20 NB2 TLL CK TRUCK 454 8 CYLINDER C20 30 4 Spd w NB2 TRZ C10 20 exc NB2 TSK C20 30 T H 400 wlNB2 TSA C10 20 NB2 TSL C20 30 Spd exc NB2 TSC C10 ax H D Chassis TSM C20 30 T H 400 exc NB2 TSD G TRUCK 250 6 CYLINDER G10 T H 350 exc NB2 TBB G10 T H 350 w NB2 TBD G10 3 Spd w BN2 TBC G10 3 Spd exc NB2 TAA 292 5 CYIJNDH G20 30 T H 350 ax NB2 THK G20 30 3Sp 1 axe NH2 THH G20 30 3 Spd w NB2 THR G20 30 T H 350 w NB2 THT Sf WAREROU lNG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION LT TRUCK 51 REV 2 83 17