A500 (40RH, 42RE....) Reverse Drum and Center Support

The A-500, 40RH, 42RH, 42RE and 44RE are all in the same transmission family line. The RH indicates non-electric and the RE indicates the unit is controlled electronically instead of hydraulically.

The reverse drum comes in two different design; one comes with no washer under the support snap ring (88-04) and the other with a washer under the support snap ring (90-04). At first glance you can not even tell the difference and it is necessary to properly identify the one you need when ordering.

Over drive piston housing (center support) originally came with or without governor feed holes. The new ones retrofits all past ones and are compatible with or without the governor feed holes.

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