ercedes-Benz 1633
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he most powerful right-hand ye tractive unit from Daimler-1z is the 1633, and we tested s in July. Its turbocharged vee ht engine has a power rating 243kW (326 bhp) at 2,300rpm a very healthy torque of 02Nm (1034 lbft) at 1,200rpm.
• i engine is matched to ZF's )split range-change gearbox h splitter operating on each 1r to give 16 forward ratios. engine governor limits ene speed to 1,900 rpm when gearbox is in high range. The ternor can be overridden by (ing down on the throttle pe. Also standard on the 1633 is tchograph sensed road speed ternor restricting maximum !ed to 110km (68mph).
Veighing in at 7.5 tonnes, it is heaviest 38-tonne 4x2 trac) unit tested by CM.
k belt and braces approach wides load-sensing valves on ! front and rear axles whether not Mercedes ABS antilock ike system is fitted. While sere brakes gave an evenly baled, the exhaust brake was lcult to operate owing to the ation of the floor-mounted ton. The spring-actuated park ke working on both axles d the vehicle on a 1 in 6 grant.
Ve were pleased to note that r persistent reference to the ation of the heater controls t they are now placed within ch of the driver.
ligh power to weight ratio 'e a fast journey time.