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4. I have an HBW100; what is the fluid capacity?


 Hurth and ZF Fluid Capacity Chart

 Transmission Model  Capacity  Liters     (Quarts)
 HBW40, HBW50, ZF5M  .30L   (.32)
 HBW5, HBW100, ZF10M  .35L   (.37)
 HBW10, HBW125, HBW150, HBW150A, ZF12M, ZF15M, ZF15MA  .56L   (.59)
 HBW150V, ZF15MIV  1.0L   (1.06)
 HBW20, HBW220, HBW250, ZF25M  .75L   (.80)
 HBW360  1.4L   (1.5)
 HBW360A  1.5L   (1.6)
 HBW450  1.8L   (1.9)
 HBW630  2.0L   (2.1)
 HSW125H, ZF12  1.0L   (1.06)
 HSW250A, ZF25A  1.8L   (1.9)
 HSW250H, ZF25  2.5L   (2.7)
 HSW450D, ZF45C  2.0L   (2.1)
 HSW450A, ZF45A  2.0L   (2.1)
 HSW450H, ZF45-1  3.0L   (3.2)
 HSW630D, ZF63C  2.0L   (2.1)
 HSW630A, HSW630H, ZF63A, ZF63  3.0L   (3.2)
 HSW630V, ZF63IV  4.0L   (4.2)
 HSW800A, ZF80A  5.5L   (5.8)
 HSW800V, ZF80IV  7.0L   (7.4)
   

Please note that hydraulic transmissions that require an oil cooler will require more fluid than listed.  The transmission may have to be topped off in order to compensate for the added fluid in the cooler and lines.