TECHNICAL SPECIFICATION The NMT gearbox is a transaxle unit, designed for mid-engined, rear wheel drive cars. The unit is produced with six forward gears, reverse, and a powerflow differential. The gear selection mechanism is sequential, with a separate, mechanically interlocked reverse engagement mechanism.
Thoroughly clean and inspect all parts before reassembly. Discard any worn or damaged components and replace with new ones. Use only genuine Hewland parts as replacements. These are manufactured in our workshops to the fine tolerances necessary and are rigorously inspected.
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NLT-212 Diff Assembly (superseded March 2009) IN ORDER TO FIT THE NLT DIFFERNETIAL IN THE NMT BOX, THE NLT SIDE PLATE (NLT-205) WILL NEED TO BE FITTED This differential was superseded FIGURE 10 by the differential shown on the next page.
General Technical Bulletin No. 13 TPT Differential Bevel Gears In line with Hewland Engineering’s constant quest to improve and develop its products, the TPT differential bevel gears have been redesigned to improve the tooth strength and smoothness of operation. In order to identify the new designs, all variations of the TPT gears cut to the revised specification will have a “D” suffix in the part number.
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