leaf springs. Wheelbases are 2.4 metres (ABG), 2.6 metres (ABF short), and 3.4 metres (ABF long). The trucks have double wheels on the rear axle. Their gearbox is 4-speed manual. The maximum gross combined weight ratings are 6 tonnes for the ABF and 13 tonnes for the ABG (tractor unit with towed cargo), with 5 and 10 tonnes payload respectively. Renault ZP The Renault ZP is a bus/coach introduced by Renault at the same time that the ABx range, using the same cabin. It was initially powered by the same petrol engine mounted by the ABx, delivering a power between and at 2,400 rpm. For 1936 it added the ABx diesel engine, tuned for – at 1,600 rpm. There were two lengths available for the ZP, with a maximum length of 8.57 metres. The ZP short has 23–28 passenger seats and the long 31–36. The suspension of both is made up of leaf springs with hydraulic dampers. The gearbox is a 4-speed manual unit. By 1937, the ZP adopted the AGK's cabin. Gasifier-equipped ZPs were used for urban transit services. It was also used by trans-Saharan transport services. After World War II, Renault introduced a ZP-based bus/coach called 215 D (later renamed as the R-series). It was produced from 1946 to 1949. References ABx Cab over vehicles Vehicles introduced in 1934