KKK-T-2109M, FEDERAL SPECIFICATION: TRUCKS AND TRUCK TRACTORS: COMMERCIAL, DIESEL ENGINE DRIVEN, 15 650 TO 30 000 KILOGRAMS (34,500 TO 66,000 POUNDS) GVW, 6X4 (15-SEP-1991) [S/S BY FED-STD-807]

KKK-T-2109M, FEDERAL SPECIFICATION: TRUCKS AND TRUCK TRACTORS: COMMERCIAL, DIESEL ENGINE DRIVEN, 15 650 TO 30 000 KILOGRAMS (34,500 TO 66,000 POUNDS) GVW, 6X4 (15-SEP-1991) [S/S BY FED-STD-807]., This specification covers diesel engine driven, six-wheel, four-wheel drive, truck chassis, trucks, and truck tractors having minimum gross vehicle weights (GVW) of 15,650 to 30,000 kilograms (kg) (34,500 to 66,000 pounds), for normal operating conditions.