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The Gearbox |
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| The gearbox is an Allison Torqmatic Model TX200-4A in early vehicles or Model TX200-4B in late vehicles. The Allison gearbox is of the straight through, hydraulically-operated, automatic type, all rotating drive componentsbeing in a straight line from the input to the output end. It comprises a 3-element torque converter with automatic lockup clutch, planetary gearing, speed range clutches and a hydraulic system. Four forward speed ranges i.e. 1-2, 3-4, 3-5 and 3-6, and one reverse range are maually selected. Automatic shifts occur in each forward range. | ||
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The data plate |
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| Here you can see the oil filler and the "kick down" actuator | ||
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| Its a bit hard to see, but there are two levers here. The foremost one is connected to the actuator, and the one behind is the one connected to the gearchange control. | ||
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| This is where the gearbox oil filter lives. You can get to this without removing the pack. | ||
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| Here you can see the oil filter, inner end cap, and the outer end plate, all held in by the twist around securing bar. | ||
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| The inner filter end cap (right) and sealing end plate (left). | ||
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| Here showing which way round the inner filter cap goes | ||
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The Transferbox The drive comes from the engine on the left in this picture, and through a series of gears and into the gearbox on the right. You can see the transmission disconnection linkage going across the top of the transferbox geartrain housing. |
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