1973 through 1986 model year General Motors full-size pickup truck or chassis cab models of the "C" (2WD) or "K" (4WD) series which include the following models: Chevrolet C10, C20, C30, K10, K20, K30 and GMC Truck C1500, C2500, C3500, K1500, K2500, K3500, and
1987 through 1991 model year General Motors full-size pickup truck or chassis cab models of the "R" (2WD) or "V" (4WD) series, which include the following models: Chevrolet R10, R20, R30, R2500, R3500, V10, V20, V30, V2500, V3500 and GMC Truck R1500, R2500, R3500, V1500, V2500 and V3500.
*NOTE* not sure which year Chevrolet changed 3/4 ton from R/V20 to R/V2500 and 1 ton from R/V30 to R/V3500.
1992 Designations were changed back to C/K
DP member #38 1992 Chev K2500 RPO C6P 6.5TD 150K miles
2014 John Deere 1025R