ZF gearbox rebuild cost
The customer explained that typically small Hurth gears, specifically the ZF / HBW50 to ZF / HBW250 gears in sailboat applications, last about 1000 hours on average. Since the cost of a rebuilding small ZF / Hurth mechanical transmission is roughly $1000, the fellow continued.this indicates that the cost of running a little 20 pound Hurth transmission attached to an auxiliary engine is about $1 per hour.he customer explained that typically small Hurth gears, specifically the ZF / HBW50 to ZF / HBW250 gears in sailboat applications, last about 1000 hours on average. Since the cost of a rebuilding small ZF / Hurth mechanical transmission is roughly $1000, the fellow continued.